All-welded high-pressure plate heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, and discloses an all-welded high-pressure plate heat exchanger, which solves the problems that in the use process of the all-welded high-pressure plate heat exchanger, when an end plate is disassembled and assembled, a plurality of bolts need to be screwed, the working efficiency is reduced, and better practicability is inconvenient to achieve, and the all-welded high-pressure plate heat exchanger comprises a front end plate, four connecting ports are symmetrically and fixedly installed on one side of the front end plate, a plurality of heat exchange plates are fixedly welded to the side, away from the connecting ports, of the front end plate in a transverse array mode, a rear end plate is arranged on the sides, away from the front end plate, of the heat exchange plates, and six through holes are symmetrically formed in the front end plate in a penetrating mode. Connecting bolts are movably installed in the six through holes in a penetrating mode, and six threaded connecting sleeves are evenly and movably installed in the rear end plate in a penetrating mode. According to the utility model, in the use process of the all-welded high-pressure plate heat exchanger, a plurality of bolts do not need to be screwed when the end plates are disassembled and assembled, so that the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, in particular to a fully welded high-pressure plate heat exchanger. Background Art

[0002] A heat exchanger, also known as a heat exchanger, is a device that transfers part of the heat of a hot fluid to a cold fluid. The fully welded high-pressure plate heat exchanger is an advanced heat exchange device with multiple characteristics that make it suitable for heat exchange under high-pressure conditions. The front and rear end plates of the fully welded high-pressure plate heat exchanger are fixedly connected by multiple bolts. This results in the need to perform multiple bolt tightening operations when disassembling and assembling the end plates during use, which reduces work efficiency and makes it difficult to achieve better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a fully welded high-pressure plate heat exchanger, which effectively solves the problem that during the use of the fully welded high-pressure plate heat exchanger, when disassembling and assembling the end plate, multiple bolt tightening operations are required, which reduces work efficiency and makes it difficult to achieve better practicality.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fully welded high-pressure plate heat exchanger, comprising a front end plate, one side of which is symmetrically fixed with four connection ports, a side of which is away from the connection ports and is fixedly welded with a plurality of heat exchange plates in a transverse array, four circular openings are symmetrically opened through the interior of the heat exchange plate, and the four circular openings are horizontally aligned with the four connection ports respectively, a positioning rod is fixedly installed on the top and bottom of the side of the front end plate away from the connection port, a positioning groove is opened in the middle of the top and the middle of the bottom of the heat exchange plate, and the positioning rod is installed in the inside of the positioning groove, a rear end plate is provided on the side of the heat exchange plate away from the front end plate, and the rear end plate is fixedly welded with a plurality of heat exchange plates in a transverse array, four circular openings are symmetrically opened through the interior of the heat exchange plate, and the four circular openings are horizontally aligned with the four connection ports respectively, a positioning rod is fixedly installed on the top and the bottom of the side of the front end plate away from the connection port, a positioning groove is opened in the middle of the top and the middle of the bottom of the heat exchange plate, and the positioning rod is installed in the inside of the positioning groove, a rear end plate is provided on the side of the heat exchange plate away from the front end plate, and the rear end plate is fixedly welded with a plurality of heat exchange plates in a transverse array ... Positioning holes are symmetrically provided inside, and the end of the positioning rod away from the front end plate is movably installed inside the positioning hole. Six through holes are symmetrically provided inside the front end plate, and connecting bolts are movably installed inside the six through holes. Six threaded connection sleeves are evenly and movably installed inside the rear end plate, and one end of the threaded connection sleeve is an open structure, and the other end of the threaded connection sleeve is a closed structure. Six positioning bearings are symmetrically fixedly installed on the side of the rear end plate close to the front end plate, and the six threaded connection sleeves are rotatably installed inside the six positioning bearings respectively. An adjustment assembly is fixedly installed on the side of the rear end plate away from the heat exchange plate, and the six threaded connection sleeves are all connected to the adjustment assembly.

[0005] Preferably, the adjusting assembly includes a shell, and the shell is fixedly mounted on a side of the rear end plate away from the heat exchange plate, one end of the threaded connection sleeve sealing structure extends to the interior of the shell, and a drive shaft is rotatably mounted on the internal top of the shell, and both ends of the drive shaft extend to the outside of the shell, one end of the drive shaft is fixedly mounted with an adjusting block, and the other end of the drive shaft is fixedly mounted with a circular stopper, an adjusting thread is provided on the outside of the end of the drive shaft away from the adjusting block, and a locking nut is threadedly mounted on the outer side of the adjusting thread, and one side of the locking nut contacts the outside of the shell, and two driving gears are fixedly mounted inside the shell and on the outside of the driving shaft, and the outside of the driving gear is meshed with a first transmission gear, and the bottom of the first transmission gear is fixedly mounted on the transmission shaft, and the bottom of the transmission shaft is rotatably connected to the inner bottom end of the shell, and three second transmission gears are fixedly mounted on the outside of the transmission shaft, and the outside of the second transmission gear is meshed with a third transmission gear, and the third transmission gear is fixedly mounted with a threaded connection sleeve at one end of the shell.

[0006] Preferably, a positioning seat is rotatably mounted on the outer side of the top end of the transmission shaft, and one side of the positioning seat is fixedly connected to the inner wall of the shell.

[0007] Preferably, mounting blocks are symmetrically fixedly mounted on the bottom of the front end plate and the rear end plate, and fixed mounting holes are formed through the inside of the mounting blocks.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1) During operation, the front end plate, heat exchange plate, through-hole, connecting bolt, rear end plate, positioning bearing, threaded connection sleeve and adjustment assembly interact with each other, so that the fully welded high-pressure plate heat exchanger can be used without the need to perform multiple bolt tightening operations when disassembling and assembling the end plate, thereby improving work efficiency and achieving better practicality;

[0010] 2) During operation, the positioning seat is provided to facilitate better stability of the transmission shaft during use, thereby ensuring that the adjustment component can work stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached figure:

[0013] Figure 1 This is a schematic structural diagram of the fully welded high-pressure plate heat exchanger of the utility model;

[0014] Figure 2This is a schematic diagram of the front end plate structure of the present utility model;

[0015] Figure 3 This is a schematic diagram of the heat exchange plate structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the rear end plate structure of the present utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the adjustment component of the present utility model.

[0018] In the figure: 1. Front end plate; 2. Connection port; 3. Heat exchange plate; 4. Circular opening; 5. Positioning rod; 6. Positioning groove; 7. Rear end plate; 8. Positioning hole; 9. Through hole; 10. Connecting bolt; 11. Threaded connection sleeve; 12. Positioning bearing; 13. Adjustment assembly; 14. Housing; 15. Drive shaft; 16. Adjustment block; 17. Circular stopper; 18. Adjustment thread; 19. Locking nut; 20. Drive gear; 21. First transmission gear; 22. Drive shaft; 23. Second transmission gear; 24. Third transmission gear; 25. Positioning seat; 26. Mounting block; 27. Fixed mounting hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Embodiment 1, by Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The utility model includes a front end plate 1, one side of the front end plate 1 is symmetrically fixed with four connection ports 2, a side of the front end plate 1 away from the connection port 2 is fixedly welded with a plurality of heat exchange plates 3 in a transverse array, the interior of the heat exchange plate 3 is symmetrically penetrated with four circular openings 4, and the four circular openings 4 are horizontally aligned with the four connection ports 2 respectively, the top and bottom of the side of the front end plate 1 away from the connection port 2 are fixedly installed with positioning rods 5, the middle part of the top end and the middle part of the bottom end of the heat exchange plate 3 are provided with positioning grooves 6, and the positioning rods 5 are installed inside the positioning grooves 6, a rear end plate 7 is provided on the side of the heat exchange plate 3 away from the front end plate 1, the bottoms of the front end plate 1 and the rear end plate 7 are symmetrically fixedly installed with mounting blocks 26, and the interior of the mounting blocks 26 is penetrated with fixed mounting holes 27, The interior of the rear end plate 7 is symmetrically penetrated with positioning holes 8, and the end of the positioning rod 5 away from the front end plate 1 is movably installed in the interior of the positioning hole 8, the interior of the front end plate 1 is symmetrically penetrated with six through holes 9, and the interiors of the six through holes 9 are movably installed with connecting bolts 10, and the interior of the rear end plate 7 is evenly and movably installed with six threaded connection sleeves 11, and one end of the threaded connection sleeve 11 is an open structure, and the other end of the threaded connection sleeve 11 is a closed structure. Six positioning bearings 12 are symmetrically fixedly installed on the side of the rear end plate 7 close to the front end plate 1, and the six threaded connection sleeves 11 are rotatably installed in the interiors of the six positioning bearings 12, and the side of the rear end plate 7 away from the heat exchange plate 3 is fixedly installed with an adjustment component 13, and the six threaded connection sleeves 11 are all connected to the adjustment component 13;

[0021] The adjustment assembly 13 includes a shell 14, and the shell 14 is fixedly installed on the side of the rear end plate 7 away from the heat exchange plate 3. One end of the threaded connection sleeve 11 with a sealed structure extends to the interior of the shell 14. A drive shaft 15 is rotatably installed on the top of the interior of the shell 14, and both ends of the drive shaft 15 extend to the outside of the shell 14. An adjustment block 16 is fixedly installed on one end of the drive shaft 15, and a circular stopper 17 is fixedly installed on the other end of the drive shaft 15. An adjustment thread 18 is provided on the outer side of the end of the drive shaft 15 away from the adjustment block 16. A locking nut 19 is installed on the outer thread of the adjusting thread 18, and one side of the locking nut 19 is in contact with the outer side of the shell 14. Two driving gears 20 are fixedly installed inside and on the outside of the driving shaft 15. The outside of the driving gear 20 is meshed with a first transmission gear 21. The bottom of the first transmission gear 21 is fixedly installed with a transmission shaft 22. The bottom of the transmission shaft 22 is rotatably connected to the inner bottom end of the shell 14. A positioning seat 25 is rotatably installed on the outside of the top of the transmission shaft 22, and one side of the positioning seat 25 is fixedly connected to the inner wall of the shell 14. Three second transmission gears 23 are fixedly installed on the outside of the transmission shaft 22. The outside of the second transmission gear 23 is meshed with a third transmission gear 24, and the third transmission gear 24 is fixedly installed with a threaded connection sleeve 11 located at one end of the shell 14.

[0022] During use, through the interaction of the front end plate 1, heat exchange plate 3, through hole 9, connecting bolt 10, rear end plate 7, positioning bearing 12, threaded connection sleeve 11 and adjustment assembly 13, the fully welded high-pressure plate heat exchanger can be used without the need to perform multiple bolt tightening operations when disassembling and assembling the end plate, thereby improving work efficiency and achieving better practicality. In addition, through the positioning seat 25, the transmission shaft 22 can achieve better stability during use, thereby ensuring that the adjustment assembly 13 can work stably.

[0023] Working principle: When working, first, under the action of the positioning hole 8, the rear end plate 7 is installed on the outer side of the two positioning rods 5, and one side of the rear end plate 7 is in contact with the heat exchange plate 3, and then one end of the connecting bolt 10 is inserted into the interior of the front end plate 1 through the through hole 9, and one end of the connecting bolt 10 is in contact with the interior of one end of the threaded connection sleeve 11, and then the adjusting block 16 is held to keep the drive shaft 15 stationary, and then the locking nut 19 is loosened to release the positioning of the drive shaft 15, and then one end of the connecting bolt 10 is pressed against to keep it fixed, and then the adjusting block 16 is rotated to drive the drive shaft 15 to rotate, and the drive shaft 15 drives the drive gear 20 to rotate, and the drive gear 20 drives the first transmission gear 21 to rotate, and the first transmission gear 21 drives the transmission shaft 22 to rotate, and the transmission shaft 22 drives the second transmission gear 23 to rotate, and the second transmission gear 23 drives the third transmission gear The wheel 24 rotates, and the third transmission gear 24 drives the threaded connection sleeve 11 to rotate inside the positioning bearing 12. The threaded connection sleeve 11 rotates and is threadedly installed on the outer side of the end of the connecting bolt 10 away from the front end plate 1, so that the rear end plate 7 can be installed. Then stop rotating the adjusting block 16, and then hold the adjusting block 16 again to keep the drive shaft 15 stationary, and then tighten the locking nut 19, re-position the drive shaft 15, and complete the installation operation of the rear end plate 7. When the rear end plate 7 needs to be disassembled, repeat the above operation, and then rotate the adjusting block 16 in the opposite direction to release the connection between the threaded connection sleeve 11 and the connecting bolt 10, thereby realizing the disassembly of the rear end plate 7. In this way, the fully welded high-pressure plate heat exchanger can be used without the need to perform multiple bolt tightening operations when disassembling and assembling the end plate, thereby improving work efficiency and facilitating better practicality.

Claims

1. A fully welded high-pressure plate heat exchanger, comprising a front end plate (1), characterized in that: Four connection ports (2) are symmetrically fixedly installed on one side of the front end plate (1); a plurality of heat exchange plates (3) are fixedly welded and installed in a transverse array on the side of the front end plate (1) away from the connection ports (2); four circular openings (4) are symmetrically opened inside the heat exchange plates (3), and the four circular openings (4) are horizontally aligned with the four connection ports (2) respectively; positioning rods (5) are fixedly installed on the top and bottom of the side of the front end plate (1) away from the connection ports (2); positioning grooves (6) are opened in the middle of the top and the middle of the bottom of the heat exchange plate (3), and the positioning rods (5) are installed in the inside of the positioning grooves (6); a rear end plate (7) is provided on the side of the heat exchange plate (3) away from the front end plate (1); positioning holes (8) are symmetrically opened inside the rear end plate (7), and the positioning rods (5) are away from the front end plate One end of the (1) is movably installed in the interior of the positioning hole (8), six through holes (9) are symmetrically opened in the interior of the front end plate (1), and connecting bolts (10) are movably installed in the interior of the six through holes (9), and six threaded connection sleeves (11) are evenly installed in the interior of the rear end plate (7), and one end of the threaded connection sleeve (11) is an open structure, and the other end of the threaded connection sleeve (11) is a closed structure. Six positioning bearings (12) are symmetrically fixedly installed on the side of the rear end plate (7) close to the front end plate (1), and the six threaded connection sleeves (11) are rotatably installed in the interior of the six positioning bearings (12), and an adjustment component (13) is fixedly installed on the side of the rear end plate (7) away from the heat exchange plate (3), and the six threaded connection sleeves (11) are connected to the adjustment component (13).

2. The fully welded high-pressure plate heat exchanger according to claim 1, characterized in that: The adjustment assembly (13) includes a shell (14), and the shell (14) is fixedly installed on a side of the rear end plate (7) away from the heat exchange plate (3), one end of the threaded connection sleeve (11) sealing structure extends to the inside of the shell (14), a driving shaft (15) is rotatably installed on the top of the inner side of the shell (14), and both ends of the driving shaft (15) extend to the outside of the shell (14), an adjustment block (16) is fixedly installed on one end of the driving shaft (15), and a circular stopper (17) is fixedly installed on the other end of the driving shaft (15), an adjustment thread (18) is provided on the outer side of the end of the driving shaft (15) away from the adjustment block (16), and a locking nut (19) is threadedly installed on the outer side of the adjustment thread (18), and One side of the locking nut (19) contacts the outer side of the housing (14); two driving gears (20) are fixedly installed inside the housing (14) and on the outer side of the driving shaft (15); the outer side of the driving gear (20) is meshed with a first transmission gear (21); the bottom of the first transmission gear (21) is fixedly installed with a transmission shaft (22); the bottom of the transmission shaft (22) is rotatably connected to the inner bottom end of the housing (14); three second transmission gears (23) are fixedly installed on the outer side of the transmission shaft (22); the outer side of the second transmission gear (23) is meshed with a third transmission gear (24); and the third transmission gear (24) is fixedly installed with a threaded connection sleeve (11) located at one end of the housing (14).

3. The fully welded high-pressure plate heat exchanger according to claim 2, characterized in that: A positioning seat (25) is rotatably mounted on the outer side of the top end of the transmission shaft (22), and one side of the positioning seat (25) is fixedly connected to the inner wall of the housing (14).

4. The fully welded high-pressure plate heat exchanger according to claim 1, characterized in that: The bottoms of the front end plate (1) and the rear end plate (7) are both symmetrically fixed with mounting blocks (26), and the interiors of the mounting blocks (26) are penetrated by fixed mounting holes (27).

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