Plate heat exchanger for drum flaker

Abstract

The utility model discloses a plate heat exchanger for a drum flaker, which comprises a bottom plate, a roundabout heat exchange elbow and a drum roller, a limit baffle is arranged on the side wall of the front end of the bottom plate, and a plurality of arc-shaped through grooves distributed at equal intervals are arranged on the side wall of the front end of the bottom plate. According to the utility model, the roundabout heat exchange bent pipe is inserted into the plurality of arc-shaped through grooves, and the plurality of positioning pressing blocks are butted with the roundabout heat exchange bent pipe, so that the roundabout heat exchange bent pipe is inserted into the arc-shaped open grooves, and the rectangular bulges are inserted into the rectangular clamping grooves, and therefore, the roundabout heat exchange bent pipe is effectively positioned on the bottom plate and is convenient to disassemble, replace and overhaul; a spring in a circular groove drives a movable rod to drive a pressing plate to abut against and press the annular inner wall of the rotary drum roller under the limiting action of a limiting sliding groove and a limiting sliding block, a bottom plate loaded with a roundabout heat exchange bent pipe is effectively limited and supported, and the situation that the heat exchange effect is affected after the bottom plate and the roundabout heat exchange bent pipe deflect is prevented.

Description

Technical Field

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

[0002] The drum flaker mainly consists of a drum, a feeding distributor, a scraper, a spiral crushing conveyor, a fixed bracket, a power device and other parts. The material is distributed on the surface of the rotating drum by the lower dipping device, and the thickness of the material layer is adjusted by the pressure roller. Due to the heat transfer inside the drum, the material layer is gradually cooled. When the cooled and crystallized material film rotates to the scraper part, it is scraped off from the surface of the drum into the discharging tray.

[0003] During the existing heat transfer process inside the drum, the heat exchange pipes are not convenient for disassembly, replacement and maintenance, and the heat exchanger lacks a limiting structure inside the drum, which is prone to deflection and affects the heat exchange effect. Now, a plate heat exchanger for a drum flaker is proposed to solve the above problems. Summary of the Utility Model

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a plate heat exchanger for a drum flaker, which is used to solve the technical problems that in the existing heat transfer process inside the drum, the heat exchange pipes are not convenient for disassembly, replacement and maintenance, and the heat exchanger lacks a limiting structure inside the drum, which is prone to deflection and affects the heat exchange effect.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plate heat exchanger for a drum flaker includes a bottom plate, a circuitous heat exchange elbow pipe and a drum. A limiting baffle is arranged on the front side wall of the bottom plate. A plurality of arc-shaped through grooves are arranged on the front side wall of the bottom plate at equal intervals. The circuitous heat exchange elbow pipe is inserted into the plurality of arc-shaped through grooves. Positioning components are arranged on the arc-shaped inner walls of the plurality of arc-shaped through grooves close to the left and right sides. Fixing rods are fixedly connected to the upper and lower ends of the bottom plate near the four corners. Adjusting mechanisms are arranged on the side walls of the four fixing rods away from the bottom plate. Pressing plates are arranged at the ends of the two fixing rods on the same side away from the bottom plate. The pressing plates are fixedly connected to the adjusting mechanisms. Both pressing plates are in contact with the annular inner wall of the drum.

[0007] Preferably, cylindrical protrusions are arranged on the front side walls of the bottom plate near the four corners. External threads are arranged at the ends of the plurality of cylindrical protrusions away from the bottom plate. Through holes are arranged at the ends of the limiting baffle near the four corners. The plurality of cylindrical protrusions respectively penetrate through the plurality of through holes. Nuts are threadedly sleeved on the plurality of cylindrical protrusions. The plurality of nuts are threadedly connected to the external threads.

[0008] Preferably, the positioning component includes two positioning pressure blocks respectively inserted into a plurality of arc-shaped through grooves. Arc-shaped grooves are provided on the side walls of the plurality of positioning pressure blocks facing the arc-shaped through grooves. The tortuous heat exchange elbow is inserted into the arc-shaped grooves. Rectangular protrusions are provided on the front and rear side walls of the plurality of positioning pressure blocks near the lower end. Symmetrically distributed rectangular clamping grooves are provided on the arc-shaped inner walls of the arc-shaped through grooves on the left and right sides. The two rectangular protrusions on the same side are respectively inserted into two opposite rectangular clamping grooves.

[0009] Preferably, the rectangular protrusion and the positioning pressure block are integrally formed.

[0010] Preferably, the adjusting mechanism includes circular grooves respectively provided on the side walls of the four fixing rods away from the bottom plate. Springs are fixedly connected to the inner walls of the plurality of circular grooves facing the bottom plate. One end of each of the plurality of springs away from the inner wall of the circular groove is fixedly connected to a movable rod. One end of the two movable rods on the same side away from the fixing rod is fixedly connected to the pressing plate on the same side. Sealing rings are sleeved on the ends of the plurality of movable rods outside the circular grooves. The plurality of sealing rings are fixedly connected to the fixing rods.

[0011] Preferably, the positioning pressure block and the sealing ring are both made of corrosion-resistant rubber. Two symmetrically distributed limiting sliding grooves are provided on the annular inner wall of the circular groove. The upper ends of the two limiting sliding grooves are communicated with the upper end of the fixing rod. Two limiting sliding blocks matched with the limiting sliding grooves are slidably connected in the two limiting sliding grooves. The two limiting sliding blocks are respectively fixedly connected to the annular side walls of the movable rods close to the springs.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. By inserting the tortuous heat exchange elbow into a plurality of arc-shaped through grooves, docking the plurality of positioning pressure blocks with the tortuous heat exchange elbow, enabling the tortuous heat exchange elbow to be inserted into the arc-shaped grooves, and enabling the rectangular protrusions to be inserted into the rectangular clamping grooves, the tortuous heat exchange elbow is effectively positioned on the bottom plate, facilitating disassembly, replacement and maintenance.

[0014] 2. The springs in the circular grooves drive the movable rods under the limiting action of the limiting sliding grooves and the limiting sliding blocks, driving the pressing plate to abut and press against the annular inner wall of the drum roller, effectively limiting and supporting the bottom plate loaded with the tortuous heat exchange elbow, and preventing the bottom plate and the tortuous heat exchange elbow from deflecting and affecting the heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective schematic view of a plate heat exchanger for a drum flaker proposed by the present invention;

[0016] Figure 2Structural schematic diagram of a plate heat exchanger for a rotary drum flaker proposed by the present utility model;

[0017] Figure 3 is Figure 1 partial enlarged view at A in;

[0018] Figure 4 Structural schematic diagram of a positioning press block of a plate heat exchanger for a rotary drum flaker proposed by the present utility model;

[0019] Figure 5 is Figure 1 partial enlarged view at B in.

[0020] In the figure: 1 bottom plate, 2 tortuous heat exchange elbow pipe, 3 limit baffle, 4 arc-shaped through groove, 5 fixed rod, 6 pressing plate, 7 cylindrical protrusion, 8 nut, 9 positioning press block, 10 arc-shaped slotted opening, 11 rectangular protrusion, 12 rectangular clamping groove, 13 circular groove, 14 spring, 15 movable rod, 16 sealing ring, 17 limit sliding groove, 18 limit sliding block. Specific embodiments

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] Refer to Figures 1-5, a plate heat exchanger for a drum flaker, comprising a bottom plate 1, a circuitous heat exchange elbow 2 and a drum (not shown in the figure). A limiting baffle 3 is provided on the front side wall of the bottom plate 1. Cylindrical protrusions 7 are provided on the front side walls of the bottom plate 1 near the four corners. External threads (not shown in the figure) are provided at the ends of the plurality of cylindrical protrusions 7 away from the bottom plate 1. Through holes (not shown in the figure) are provided at the ends of the limiting baffle 3 near the four corners. The plurality of cylindrical protrusions 7 are respectively arranged through the plurality of through holes. Threaded nuts 8 are sleeved on the plurality of cylindrical protrusions 7. The plurality of nuts 8 are threadedly connected to the external threads, so that the limiting baffle 3 is butted against the plurality of cylindrical protrusions 7 on the bottom plate 1, and the plurality of cylindrical protrusions 7 respectively pass through the plurality of through holes (not shown in the figure) on the limiting baffle 3. The plurality of nuts 8 are respectively threadedly connected to the external threads (not shown in the figure) on the plurality of cylindrical protrusions 7, effectively fixing the limiting baffle 3 on the bottom plate 1. A plurality of arc-shaped through grooves 4 arranged at equal intervals are provided on the front side wall of the bottom plate 1. The circuitous heat exchange elbow 2 is inserted into the plurality of arc-shaped through grooves 4.

[0024] Positioning components are provided on the arc-shaped inner walls of the plurality of arc-shaped through grooves 4 near the left and right sides. The positioning components include two positioning pressing blocks 9 respectively inserted into the plurality of arc-shaped through grooves 4. Arc-shaped grooves 10 are provided on the side walls of the plurality of positioning pressing blocks 9 facing the arc-shaped through grooves 4. The circuitous heat exchange elbow 2 is inserted into the arc-shaped grooves 10. Rectangular protrusions 11 are provided on the front and rear side walls of the plurality of positioning pressing blocks 9 near the lower ends. Symmetrically distributed rectangular clamping grooves 12 are provided on the arc-shaped inner walls of the plurality of arc-shaped through grooves 4 on the left and right sides. The two rectangular protrusions 11 on the same side are respectively inserted into the two opposite rectangular clamping grooves 12. The rectangular protrusions 11 and the positioning pressing blocks 9 are integrally formed. The positioning pressing blocks 9 are made of rubber. The circuitous heat exchange elbow 2 is pressed into the plurality of arc-shaped through grooves 4 on the bottom plate 1. The plurality of positioning pressing blocks 9 are respectively inserted into the plurality of arc-shaped through grooves 4 in groups of two pairs, and the arc-shaped grooves 10 of the plurality of positioning pressing blocks 9 are in contact with the annular side wall of the circuitous heat exchange elbow 2. Press the plurality of positioning pressing blocks 9 so that the two rectangular protrusions 11 are respectively inserted into the two relatively arranged rectangular clamping grooves 12 on the same side, effectively clamping and positioning the positioning pressing blocks 9 in the arc-shaped through grooves 4, thereby clamping and positioning the circuitous heat exchange elbow 2 in the plurality of arc-shaped through grooves 4.

[0025] At both the upper and lower ends near the four corners of the bottom plate 1, there are fixedly connected fixing rods 5. An adjusting mechanism is provided on the side walls of the four fixing rods 5 away from the bottom plate 1. At one end of the two fixing rods 5 on the same side away from the bottom plate 1, there is a pressing plate 6 respectively. The pressing plate 6 is fixedly connected with the adjusting mechanism. Both pressing plates 6 are in contact with the annular inner wall of the drum. The adjusting mechanism includes circular grooves 13 respectively arranged on the side walls of the four fixing rods 5 away from the bottom plate 1. On the inner walls of a number of circular grooves 13 facing the bottom plate 1, there are fixedly connected springs 14. One end of a number of springs 14 away from the inner walls of the circular grooves 13 is fixedly connected with a movable rod 15. One end of the two movable rods 15 on the same side away from the fixing rod 5 is fixedly connected with the pressing plate 6 on the same side. One end of a number of movable rods 15 outside the circular grooves 13 is sleeved with a sealing ring 16. A number of sealing rings 16 are fixedly connected with the fixing rod 5. The positioning pressing block 9 and the sealing ring 16 are both made of corrosion-resistant rubber. On the annular inner wall of the circular groove 13, there are two symmetrically distributed limiting sliding grooves 17. The upper ends of the two limiting sliding grooves 17 are communicated with the upper end of the fixing rod 5. A limiting slider 18 matching with each of them is slidably connected in the two limiting sliding grooves 17. The two limiting sliders 18 are respectively fixedly connected with the annular side walls of the movable rod 15 close to the spring 14. When the limiting slider 18 moves in the limiting sliding groove 17, it effectively limits the movable rod 15 in the circular groove 13, which is convenient for the elastic performance of the spring 14 to drive the pressing plate 6 to be in contact with and press against the annular inner wall of the drum (not shown in the figure) through the movable rod 15, effectively limits and supports the bottom plate 1 loaded with the meandering heat exchange elbow 2, and prevents the bottom plate 1 and the meandering heat exchange elbow 2 from deflecting and affecting the heat exchange effect.

[0026] When the utility model is in use, the tortuous heat exchange elbow 2 is pressed into several arc-shaped through grooves 4 on the bottom plate 1. Several positioning pressing blocks 9 are inserted into several arc-shaped through grooves 4 in groups of two pairs respectively, and the arc-shaped grooves 10 of several positioning pressing blocks 9 are in contact with the annular side wall of the tortuous heat exchange elbow 2. Press several positioning pressing blocks 9 so that the two rectangular protrusions 11 are respectively inserted into two relatively arranged rectangular clamping grooves 12 on the same side, effectively clamping and positioning the positioning pressing blocks 9 in the arc-shaped through grooves 4, thereby clamping and positioning the tortuous heat exchange elbow 2 in several arc-shaped through grooves 4. Connect the limiting baffle 3 with several cylindrical protrusions 7 on the bottom plate 1, so that several cylindrical protrusions 7 respectively penetrate through several through holes (not shown in the figure) on the limiting baffle 3. Thread several nuts 8 with the external threads (not shown in the figure) on several cylindrical protrusions 7 respectively, effectively fixing the limiting baffle 3 on the bottom plate 1. When disassembling and replacing, just unscrew several nuts 8 to separate the limiting baffle 3 from the bottom plate 1. Press several positioning pressing blocks 9 again to separate the rectangular protrusions 11 from the rectangular clamping grooves 12, and draw out the positioning pressing blocks 9 from the arc-shaped through grooves 4 to disassemble the tortuous heat exchange elbow 2, which is convenient for disassembly, replacement and maintenance. Place the bottom plate 1 loaded with the tortuous heat exchange elbow 2 into the rotary drum (not shown in the figure), so that the springs 14 in the circular grooves 13 on several fixing rods 5 cooperate with the movable rods 15 to drive the pressing plate 6 to be in contact with and press against the annular inner wall of the rotary drum (not shown in the figure), effectively limiting and supporting the bottom plate 1 loaded with the tortuous heat exchange elbow 2, and preventing the bottom plate 1 and the tortuous heat exchange elbow 2 from deflecting and affecting the heat exchange effect.

[0027] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, making equivalent substitutions or changes, should be covered by the protection scope of the utility model.

Claims

1. A plate heat exchanger for a drum flaker, comprising a bottom plate (1), a circuitous heat exchange elbow (2) and a drum roller, characterized in that, A limiting baffle (3) is provided on the front side wall of the bottom plate (1). A number of arc-shaped through grooves (4) are provided on the front side wall of the bottom plate (1) and are arranged at equal intervals. The tortuous heat exchange elbow pipe (2) is inserted into a number of arc-shaped through grooves (4). Positioning components are provided on the arc-shaped inner walls near the left and right sides of a number of the arc-shaped through grooves (4). Fixed rods (5) are fixedly connected to the upper and lower ends near the four corners of the bottom plate (1). An adjusting mechanism is provided on the side walls of the four fixed rods (5) away from the bottom plate (1). Pressing plates (6) are provided at the ends of two fixed rods (5) on the same side away from the bottom plate (1). The pressing plates (6) are fixedly connected to the adjusting mechanism. Both of the two pressing plates (6) are in contact with the annular inner wall of the drum.

2. The plate heat exchanger for a drum flaker according to claim 1, wherein Columnar protrusions (7) are provided on the front side walls near the four corners of the bottom plate (1). External threads are provided at the ends of a number of the columnar protrusions (7) away from the bottom plate (1). Through holes are provided at the ends near the four corners of the limiting baffle (3). A number of the columnar protrusions (7) respectively penetrate through a number of the through holes. Nuts (8) are threadedly sleeved on a number of the columnar protrusions (7). A number of the nuts (8) are threadedly connected to the external threads.

3. The plate heat exchanger for a rotary drum flaker according to claim 1, characterized in that, The positioning component includes two positioning pressing blocks (9) respectively inserted into a number of arc-shaped through grooves (4). Arc-shaped grooves (10) are provided on the side walls of a number of the positioning pressing blocks (9) facing the arc-shaped through grooves (4). The tortuous heat exchange elbow pipe (2) is inserted into the arc-shaped grooves (10). Rectangular protrusions (11) are provided on the front and rear side walls near the lower ends of a number of the positioning pressing blocks (9). Rectangular clamping grooves (12) are symmetrically distributed on the arc-shaped inner walls of a number of the arc-shaped through grooves (4) on the left and right sides. Two rectangular protrusions (11) on the same side are respectively inserted into two opposite rectangular clamping grooves (12).

4. A plate heat exchanger for a rotary drum flaker according to claim 3, characterized in that, The rectangular protrusion (11) and the positioning pressing block (9) are integrally formed.

5. The plate heat exchanger for a drum flaker according to claim 4, characterized in that, The adjusting mechanism includes circular grooves (13) respectively provided on the side walls of the four fixed rods (5) away from the bottom plate (1). Springs (14) are fixedly connected to the inner walls of a number of the circular grooves (13) facing the bottom plate (1). Moving rods (15) are fixedly connected to the ends of a number of the springs (14) away from the inner walls of the circular grooves (13). The ends of two moving rods (15) on the same side away from the fixed rods (5) are fixedly connected to the pressing plate (6) on the same side. Sealing rings (16) are sleeved on the ends of a number of the moving rods (15) outside the circular grooves (13). A number of the sealing rings (16) are fixedly connected to the fixed rods (5).

6. The plate heat exchanger for a rotary drum flaker according to claim 5, characterized in that, The positioning pressing block (9) and the sealing ring (16) are both made of corrosion-resistant rubber products. Two symmetrically distributed limiting sliding grooves (17) are provided on the annular inner wall of the circular groove (13). The upper ends of the two limiting sliding grooves (17) are communicated with the upper ends of the fixed rods (5). Limiting sliding blocks (18) matching the two limiting sliding grooves (17) are slidably connected in the two limiting sliding grooves (17). The two limiting sliding blocks (18) are respectively fixedly connected to the annular side walls of the moving rods (15) near the springs (14).

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