An adjustable fully welded plate heat exchanger

Abstract

The utility model provides an adjustable all-welded plate heat exchanger, including a heat exchange core, a clamping plate 1 and a clamping plate 2, wherein: the clamping plate 1 and the clamping plate 2 are fixedly installed with a heat exchange core composed of a plurality of corrugated plates welded together by clamping bolts, and one end of the heat exchange core is fixedly installed with a pipe box 1, and the other end of the heat exchange core is fixedly installed with a pipe box 2; the front side of the heat exchange core close to the end of the pipe box 1 is fixedly installed with a pipe box 3, and the rear side of the heat exchange core close to the end of the pipe box 2 is fixedly installed with a pipe box 4; the pipe box 3 and the pipe box 4 are both connected to the inside of the heat exchange core; the overall setting of the utility model can flexibly adjust the heat exchange area according to the flow rate of the medium during use, so that the overall heat exchange process is more convenient, flexible and efficient.

Description

Technical Field

[0001] The utility model relates to the field of heat exchangers, and in particular to an adjustable all-welded plate heat exchanger. Background Art

[0002] The heat exchange plates of the fully welded plate heat exchanger are made of special stainless steel and pressed using a special mold.

[0003] The surface is smooth and not easy to scale. Its unique corrugated design can generate turbulence at a lower flow rate, with high heat transfer efficiency. The entire plate bundle is made of body materials by argon arc welding. No non-metallic sealing materials are used, so it has high temperature and pressure resistance. It can be applied to extreme working conditions with an operating temperature of 300°C and a pressure of 3.0Mpa.

[0004] However, the existing fully welded plate heat exchanger is not convenient for flexibly adjusting the heat exchange area according to the flow rate of the medium during use, and thus has certain limitations.

[0005] Therefore, it is very necessary to invent an adjustable all-welded plate heat exchanger. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides an adjustable all-welded plate heat exchanger adopting the following technical solution: an adjustable all-welded plate heat exchanger, comprising a heat exchange core, a clamping plate 1 and a clamping plate 2, wherein: the clamping plate 1 and the clamping plate 2 are fixedly installed with a heat exchange core composed of a plurality of corrugated plates welded together by clamping bolts, and one end of the heat exchange core is fixedly installed with a pipe box 1, and the other end of the heat exchange core is fixedly installed with a pipe box 2; the front side of the heat exchange core close to the end of the pipe box 1 is fixedly installed with a pipe box 3, and the rear side of the heat exchange core close to the end of the pipe box 2 is fixedly installed with a pipe box 4; the pipe box 3 and the pipe box 4 are both connected to the inside of the heat exchange core;

[0007] Preferably, a first adjustment mechanism is fixedly installed inside the pipe box 1;

[0008] Preferably, a second adjustment mechanism is fixedly installed inside the second pipe box;

[0009] Preferably, the first regulating mechanism and the second regulating mechanism are both connected to the interior of the heat exchange core.

[0010] Preferably, a plurality of heat exchange chambers 1 and 2 are evenly distributed in an alternating manner inside the heat exchange core.

[0011] Preferably, the heat exchange cavity inside the heat exchange core is divided into three areas, and the three areas are respectively a first heat exchange area, a second heat exchange area and a third heat exchange area, and the first heat exchange area is between the second heat exchange area and the third heat exchange area.

[0012] Preferably, the first regulating mechanism includes a medium tube 1, a shunt tube 1 and a shunt tube 2, and one end of the shunt tube 1 is fixedly connected to the middle and upper part of one side of the medium tube 1 through a control valve, and one end of the shunt tube 2 is fixedly connected to the middle and lower part of the other side of the medium tube 1 through a control valve; the medium tube 1, the shunt tube 1 and the shunt tube 2 are connected; the other end of the medium tube 1 passes through a pipe box 1 and is connected to a heat exchange cavity 1 corresponding to the first heat exchange area; the other end of the shunt tube 1 passes through a pipe box 1 and is connected to a heat exchange cavity 1 corresponding to the second heat exchange area; the other end of the shunt tube 2 passes through a pipe box 1 and is connected to a heat exchange cavity 1 corresponding to the third heat exchange area; the ends of the medium tube 1, the shunt tube 1 and the shunt tube 2 connected to the heat exchange cavity 1 are each fixedly installed with a control valve; the end of the medium tube 1 with a flange is outside the pipe box 1.

[0013] Preferably, the second regulating mechanism includes medium pipe 2, diverter pipe 3 and diverter pipe 4, and one end of diverter pipe 3 is fixedly connected to the middle and lower part of one side of medium pipe 2 through a control valve, and one end of diverter pipe 4 is fixedly connected to the middle and upper part of the other side of medium pipe 2 through a control valve; the medium pipe 2, diverter pipe 3 and diverter pipe 4 are connected; the other end of the medium pipe 2 passes through pipe box 2 and is connected to the heat exchange cavity 1 corresponding to the first heat exchange area; the other end of the diverter pipe 3 passes through pipe box 2 and is connected to the heat exchange cavity 1 corresponding to the third heat exchange area; the other end of the diverter pipe 4 passes through pipe box 1 and is connected to the heat exchange cavity 1 corresponding to the second heat exchange area; the ends of the medium pipe 2, diverter pipe 3 and diverter pipe 4 connected to the heat exchange cavity 1 are each fixedly installed with a control valve; the end of the medium pipe 2 with a flange is outside the pipe box 2.

[0014] Preferably, medium pipe three is fixedly installed on pipe box three, and medium pipe four is fixedly installed on pipe box four.

[0015] Preferably, a through hole is reserved on one side of the heat exchange core installation tube box three and tube box four, and the through hole is connected with the corresponding tube box three, tube box four and heat exchange chamber two.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] The overall arrangement of the utility model can flexibly adjust the heat exchange area according to the flow rate of the medium during use, thereby making the overall heat exchange process more convenient, flexible and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of the heat exchange core of the utility model.

[0020] Figure 3 It is a schematic diagram of the through hole structure of the utility model.

[0021] Figure 4 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0022] In the figure:

[0023] Heat exchange core 1, clamping plate 1, 2, clamping plate 2, 3, clamping bolt 4, pipe box 1, 5, pipe box 2, 6, pipe box 3, 7, pipe box 4, 8, medium pipe 1, 9, medium pipe 2, 10, medium pipe 3, 11, medium pipe 4, 12, diverter pipe 1, 13, diverter pipe 2, 14, diverter pipe 3, 15, diverter pipe 4, 16, control valve 17, heat exchange chamber 1, 18, heat exchange chamber 2, 19, through hole 20. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0025] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0026] The utility model is further described below in conjunction with the accompanying drawings:

[0027] Example

[0028] Reference Figure 1-3, an adjustable all-welded plate heat exchanger, comprising a heat exchange core 1, a clamping plate 1 2 and a clamping plate 2 3, wherein: the clamping plate 1 2 and the clamping plate 2 3 are fixedly installed with a heat exchange core 1 composed of a plurality of corrugated plates welded together by clamping bolts 4 to ensure the stability of the heat exchange core 1, and a pipe box 1 5 is fixedly installed at one end of the heat exchange core 1, and a pipe box 2 6 is fixedly installed at the other end of the heat exchange core 1; a pipe box 3 7 is fixedly installed at the front side of the heat exchange core 1 near the end of the pipe box 1 5, and a pipe box 4 8 is fixedly installed at the rear side of the heat exchange core 1 near the end of the pipe box 2 6; the pipe box 3 7 and the pipe box 4 8 are both connected to the inside of the heat exchange core 1;

[0029] A first regulating mechanism is fixedly installed inside the pipe box 1 5 ; a second regulating mechanism is fixedly installed inside the pipe box 2 6 ; both the first regulating mechanism and the second regulating mechanism are connected to the inside of the heat exchange core 1 so as to adjust the heat exchange area between the heat exchange core 1 and the heat exchange medium.

[0030] The interior of the heat exchange core 1 is evenly and alternately provided with a plurality of heat exchange chambers 18 and heat exchange chambers 19 so as to allow two heat exchange media of different temperatures to pass therein for heat exchange.

[0031] The heat exchange chamber 18 inside the heat exchange core 1 is divided into three areas, and the three areas are respectively a first heat exchange area, a second heat exchange area and a third heat exchange area. The first heat exchange area is located between the second heat exchange area and the third heat exchange area, so that the heat exchange medium can be introduced into the required heat exchange chamber 18 through the first regulating mechanism, and the heat exchanged medium can be discharged from the corresponding heat exchange chamber 18 through the second regulating mechanism.

[0032] The first regulating mechanism includes a medium pipe 19, a shunt pipe 13 and a shunt pipe 2 14, and one end of the shunt pipe 13 is fixedly connected to the middle and upper part of one side of the medium pipe 19 through a control valve 17, and one end of the shunt pipe 2 14 is fixedly connected to the middle and lower part of the other side of the medium pipe 19 through a control valve 17; the medium pipe 19, the shunt pipe 13 and the shunt pipe 2 14 are connected; the other end of the medium pipe 19 passes through the pipe box 15 and is connected to the heat exchange cavity 18 corresponding to the first heat exchange area; the other end of the shunt pipe 13 passes through the pipe box 5 and is connected to the heat exchange cavity 18 corresponding to the first heat exchange area The heat exchange chamber 18 corresponding to the second heat exchange area is connected; the other end of the shunt pipe 14 passes through the pipe box 15 and is connected to the heat exchange chamber 18 corresponding to the third heat exchange area; the ends of the medium pipe 19, the shunt pipe 13 and the shunt pipe 14 connected to the heat exchange chamber 18 are each fixedly installed with a control valve 17; the end of the medium pipe 19 with a flange is outside the pipe box 15; through the arrangement of the medium pipe 19, the shunt pipe 13 and the shunt pipe 14, a variety of different heat exchange modes can be provided for the heat exchange medium; the first mode can allow the heat exchange medium to be The first method is to allow the heat exchange medium to enter the heat exchange chamber 18 of the first heat exchange area through the medium pipe 19 and the diverter pipe 14, and to be discharged through the diverter pipe 3 15 and the medium pipe 10 after heat exchange; the second method is to allow the heat exchange medium to enter the heat exchange chamber 18 of the first heat exchange area and the third heat exchange area through the medium pipe 19 and the diverter pipe 14, and to be discharged through the diverter pipe 3 15 and the medium pipe 10 after heat exchange; the third method is to allow the heat exchange medium to enter the heat exchange chamber 18 of the first heat exchange area, the second heat exchange area and the third heat exchange area through the medium pipe 19, the diverter pipe 13 and the diverter pipe 14, After heat exchange, it is discharged through medium pipe 2 10, diverter pipe 3 15 and diverter pipe 4 16; the fourth type is to allow the heat exchange medium to enter the heat exchange chamber 18 of the third heat exchange area through medium pipe 1 9 and diverter pipe 2 14, and then flow to the heat exchange chamber 18 of the first heat exchange area through diverter pipe 3 15 and medium pipe 2 10, and then flow from medium pipe 1 9 and diverter pipe 1 13 to the heat exchange chamber 18 of the second heat exchange area, so that the medium flows in an S shape inside the heat exchange core 1, and finally is discharged through diverter pipe 4 16 and medium pipe 2 10.

[0033] The second regulating mechanism includes a medium pipe 2 10, a shunt pipe 3 15 and a shunt pipe 4 16, and one end of the shunt pipe 3 15 is fixedly connected to the middle and lower part of one side of the medium pipe 2 10 through a control valve 17, and one end of the shunt pipe 4 16 is fixedly connected to the middle and upper part of the other side of the medium pipe 2 10 through a control valve 17; the medium pipe 2 10, the shunt pipe 3 15 and the shunt pipe 4 16 are connected; the other end of the medium pipe 2 10 passes through the pipe box 2 6 and is connected to the heat exchange cavity 1 18 corresponding to the first heat exchange area The other end of the shunt pipe 3 15 passes through the pipe box 2 6 and is connected to the heat exchange cavity 1 18 corresponding to the third heat exchange area; the other end of the shunt pipe 4 16 passes through the pipe box 1 5 and is connected to the heat exchange cavity 1 18 corresponding to the second heat exchange area; the ends of the medium pipe 2 10, the shunt pipe 3 15 and the shunt pipe 4 16 connected to the heat exchange cavity 1 18 are each fixedly installed with a control valve 17; the end of the medium pipe 2 10 with a flange is outside the pipe box 2 6; so that the medium after heat exchange is discharged from the corresponding heat exchange cavity 18;

[0034] It should be noted that the control valve 17 adopts an electromagnetic valve or a manual valve. Since the valve is a very mature technology, it will not be described in detail here.

[0035] A medium pipe three 11 is fixedly installed on the pipe box three 7, and a medium pipe four 12 is fixedly installed on the pipe box four 8, so that a medium can be introduced or another heat exchange medium can be discharged through the medium pipe three 11 or the medium pipe four 12.

[0036] A through hole 20 is reserved on each side of the heat exchange core 1 where the pipe box three 7 and the pipe box four 8 are installed, so that the medium can flow between the pipe box three 7, the heat exchange cavity two 19 and the pipe box four 8, and the through hole 20 is connected with the corresponding pipe box three 7, the pipe box four 8 and the heat exchange cavity two 19.

[0037] In this embodiment, when in use, a medium that needs to be heat exchanged is introduced into the heat exchange chamber 18 through the medium pipe 1 9, and the medium is discharged through the medium pipe 2 10; then another medium that needs to be heat exchanged is introduced into the heat exchange chamber 2 19 through the medium pipe 3 11, and the medium is discharged through the medium pipe 4 12; thus, two media with different temperatures are heat exchanged inside the heat exchange core 1;

[0038] At this time, different heat exchange areas can be adjusted inside the heat exchange core 1 according to the heat exchange requirements of two different temperatures; the following four different adjustment methods are provided here:

[0039] The first method is to allow the heat exchange medium to enter the heat exchange chamber 18 of the first heat exchange area through the medium pipe 19 alone, and then be discharged through the medium pipe 2 10 after heat exchange. This method is suitable for medium with small flow rate, fast flow rate and low heat exchange temperature.

[0040] The second method is to allow the heat exchange medium to simultaneously enter the heat exchange chamber 18 of the first heat exchange area and the third heat exchange area through the medium pipe 1 9 and the diverter pipe 2 14, and then be discharged through the diverter pipe 3 15 and the medium pipe 2 10 after heat exchange. This method is suitable for the medium with medium flow rate, fast flow rate and low heat exchange temperature.

[0041] The third type allows the heat exchange medium to simultaneously pass through the medium pipe 1 9, the shunt pipe 1 13 and the shunt pipe 2 14 into the heat exchange chamber 1 18 of the first heat exchange area, the second heat exchange area and the third heat exchange area, and is discharged through the medium pipe 2 10, the shunt pipe 3 15 and the shunt pipe 4 16 after heat exchange. It is suitable for media with fast flow rate and large flow rate and media with small heat exchange temperature requirements;

[0042] The fourth type enables the heat exchange medium to enter the heat exchange chamber 18 of the third heat exchange area through the medium tube 19 and the diverter tube 2 14, and then flow to the heat exchange chamber 18 of the first heat exchange area through the diverter tube 3 15 and the medium tube 2 10, and then flow from the medium tube 19 and the diverter tube 13 to the heat exchange chamber 18 of the second heat exchange area, so that the medium flows in an S shape inside the heat exchange core 1, and is finally discharged through the diverter tube 4 16 and the medium tube 2 10. It is suitable for the medium that needs to be fully heat exchanged.

[0043] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An adjustable all-welded plate heat exchanger, characterized in that: It comprises a heat exchange core (1), a clamping plate 1 (2) and a clamping plate 2 (3), wherein: the clamping plate 1 (2) and the clamping plate 2 (3) are fixedly mounted with a heat exchange core (1) formed by welding a plurality of corrugated plates via clamping bolts (4), and a pipe box 1 (5) is fixedly mounted on one end of the heat exchange core (1), and a pipe box 2 (6) is fixedly mounted on the other end of the heat exchange core (1); a pipe box 3 (7) is fixedly mounted on the front side of the heat exchange core (1) near one end of the pipe box 1 (5), and a pipe box 4 (8) is fixedly mounted on the rear side of the heat exchange core (1) near one end of the pipe box 2 (6); the pipe box 3 (7) and the pipe box 4 (8) are both connected to the interior of the heat exchange core (1); A first adjustment mechanism is fixedly installed inside the pipe box 1 (5); A second adjustment mechanism is fixedly installed inside the second pipe box (6); The first regulating mechanism and the second regulating mechanism are both in communication with the interior of the heat exchange core (1).

2. The adjustable all-welded plate heat exchanger according to claim 1, characterized in that: The interior of the heat exchange core (1) is evenly and alternately provided with a plurality of heat exchange chambers one (18) and heat exchange chambers two (19).

3. The adjustable all-welded plate heat exchanger according to claim 2, characterized in that: The heat exchange chamber (18) inside the heat exchange core (1) is divided into three areas, and the three areas are respectively a first heat exchange area, a second heat exchange area and a third heat exchange area, and the first heat exchange area is between the second heat exchange area and the third heat exchange area.

4. The adjustable all-welded plate heat exchanger according to claim 3, characterized in that: The first regulating mechanism comprises a medium pipe (9), a shunt pipe (13) and a shunt pipe (14), and one end of the shunt pipe (13) is fixedly connected to the middle and upper part of one side of the medium pipe (9) through a control valve (17), and one end of the shunt pipe (14) is fixedly connected to the middle and lower part of the other side of the medium pipe (9) through a control valve (17); the medium pipe (9), the shunt pipe (13) and the shunt pipe (14) are in communication; the other end of the medium pipe (9) passes through the pipe box (5) and is connected to the first heat exchange area corresponding to the first heat exchange area. The first heat exchange chamber (18) of the first heat exchange chamber (11) is connected to the second heat exchange chamber (18); the other end of the second flow diverter pipe (13) passes through the first pipe box (5) and is connected to the first heat exchange chamber (18) corresponding to the second heat exchange region; the other end of the second flow diverter pipe (14) passes through the first pipe box (5) and is connected to the first heat exchange chamber (18) corresponding to the third heat exchange region; the ends of the medium pipe (9), the first flow diverter pipe (13) and the second flow diverter pipe (14) connected to the first heat exchange chamber (18) are each fixedly mounted with a control valve (17); the end of the medium pipe (9) with a flange is located outside the first pipe box (5).

5. The adjustable all-welded plate heat exchanger according to claim 4, characterized in that: The second regulating mechanism comprises a medium pipe 2 (10), a shunt pipe 3 (15) and a shunt pipe 4 (16), and one end of the shunt pipe 3 (15) is fixedly connected to the middle and lower part of one side of the medium pipe 2 (10) through a control valve (17), and one end of the shunt pipe 4 (16) is fixedly connected to the middle and upper part of the other side of the medium pipe 2 (10) through a control valve (17); the medium pipe 2 (10), the shunt pipe 3 (15) and the shunt pipe 4 (16) are in communication; the other end of the medium pipe 2 (10) passes through the pipe box 2 (6) and is connected to the first heat exchange area The corresponding heat exchange chamber one (18) is connected; the other end of the diverter pipe three (15) passes through the pipe box two (6) and is connected to the heat exchange chamber one (18) corresponding to the third heat exchange area; the other end of the diverter pipe four (16) passes through the pipe box one (5) and is connected to the heat exchange chamber one (18) corresponding to the second heat exchange area; the ends of the medium pipe two (10), the diverter pipe three (15) and the diverter pipe four (16) connected to the heat exchange chamber one (18) are each fixedly installed with a control valve (17); the end of the medium pipe two (10) with a flange is located outside the pipe box two (6).

6. The adjustable all-welded plate heat exchanger according to claim 1, characterized in that: The medium pipe three (11) is fixedly installed on the pipe box three (7), and the medium pipe four (12) is fixedly installed on the pipe box four (8).

7. An adjustable all-welded plate heat exchanger according to claim 6, characterized in that: A through hole (20) is reserved on one side of the heat exchange core (1) for mounting the pipe box three (7) and the pipe box four (8), and the through hole (20) is connected to the corresponding pipe box three (7), the pipe box four (8) and the heat exchange chamber two (19).

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