Heat exchanger of steam heater

Abstract

The invention relates to the technical field of heat exchangers, and discloses a steam heater heat exchanger which comprises a shell, two barrels are fixedly connected in the shell, air pipes are fixedly connected to the two sides of the two barrels, one ends of the two air pipes located on the same side penetrate through the shell and are fixedly connected with a first three-way pipe, and the other ends of the two air pipes are fixedly connected with a second three-way pipe. A plurality of evenly-distributed baffles are fixedly connected into the two barrels, a fixing ring is rotationally connected to one side of each baffle, and a plurality of second through holes are formed in one side of each fixing ring. According to the heat exchanger, flowing of steam can be limited, the flowing speed of the steam can be reduced, heat in the steam can be fully utilized, the heat exchange efficiency of the heat exchanger is improved, workers can conveniently confirm whether the first through hole and the second through hole are in a completely staggered state or not, the use effect of the heat exchanger is improved, and the practicability of the heat exchanger is improved. Condensate water can be prevented from being accumulated in the barrel, and the heat exchange efficiency of the heat exchanger is prevented from being affected.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchangers, in particular to a steam heater heat exchanger. Background Art

[0002] The steam heater heat exchanger is a highly efficient heat exchange device that is used to transfer the heat of steam to the material to heat it to the required temperature. It is a highly efficient heat exchange device widely used in industrial production.

[0003] However, after the existing steam enters the steam heater heat exchanger, after heat exchange, the steam in the steam heater heat exchanger will be directly discharged. Since heat exchange requires a certain amount of time, this will result in the heat in the steam not being fully utilized, resulting in the heat exchange efficiency of the heat exchanger cannot be fully utilized, which has certain limitations. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the present invention provides a steam heater heat exchanger, mainly to solve the problem that the heat in the steam is not fully utilized, thereby causing the heat exchange efficiency of the heat exchanger to be unable to be fully utilized.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A steam heater heat exchanger comprises a shell, wherein two cylinders are fixedly connected in the shell, both sides of the two cylinders are fixedly connected with air pipes, one end of the two air pipes on the same side passes through the shell and is fixedly connected with a first three-way pipe, a plurality of evenly distributed baffles are fixedly connected in the two cylinders, one side of the baffle is rotatably connected with a fixing ring, one side of the fixing ring is provided with a plurality of second through holes, one side of the baffle is provided with a plurality of first through holes corresponding to the second through holes, a rotating shaft is rotatably connected in the cylinder, and the rotating shaft passes through the baffle, and one side of the fixing ring is fixedly connected There are multiple support frames, and the support frames are fixed to the rotating shafts. A power component that drives the two rotating shafts to rotate in opposite directions is provided on one side outer wall of the shell. A first heat conducting tube and a second heat conducting tube that pass through multiple baffles are provided in the cylinder, and the first heat conducting tube and the second heat conducting tube are fixed to the baffles. The other ends of the first heat conducting tube and the second heat conducting tube are fixedly connected to the second connecting tube, one end of the two first heat conducting tubes is fixedly connected to the first connecting tube that connects the two first heat conducting tubes, and the first connecting tube passes through the cylinder, and the other ends of the two second heat conducting tubes pass through the cylinder and the shell.

[0009] Furthermore, the power assembly includes an electric push rod, which is fixedly connected to an outer wall of one side of the shell, one end of the telescopic part of the electric push rod is fixedly connected to a fixing frame, both ends of the fixing frame are fixedly connected to a first rack and a second rack, one end of the two rotating shafts are connected to gears through the cylinder and the shell key, and the first rack and the second rack are respectively meshed with two gears.

[0010] On the basis of the above-mentioned solution, the teeth of the first rack and the second rack are opposite to each other, and the first rack and the second rack are distributed in parallel up and down.

[0011] As a further solution of the present invention, one side of the two cylinders is provided with a slot for the hemispherical block to be inserted, so that the rotation angle of the rotating shaft pair can be positioned.

[0012] Furthermore, the bottoms of the two cylinders are fixedly connected with liquid outlet pipes, the bottom ends of the two liquid outlet pipes pass through the shell and are fixedly connected with second three-way pipes, and a valve is provided on the outer side of the second three-way pipe.

[0013] On the basis of the above scheme, the outer sides of the two rotating shafts are fixedly connected to a fixing plate at positions inside the shell, one side of the fixing plate is fixedly connected to a spring, one end of the spring is fixedly connected to a stopper, one side of the stopper is fixedly connected to a guide rod, and one end of the guide rod passes through the spring and the fixing plate and is fixedly connected to a hemispherical block.

[0014] As a further solution of the present invention, a plurality of feet for supporting the shell are fixedly connected to the bottom outer wall of the shell.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present invention provides a steam heater heat exchanger having the following beneficial effects:

[0017] 1. Through the coordinated use of the first through hole and the second through hole, when the steam enters the cylinder, the first through hole and the second through hole in one of the cylinders are misaligned, and the steam cannot flow in the cylinder, while the first through hole and the second through hole in the other cylinder are connected, so that the steam flows in the cylinder where the first through hole and the second through hole are connected, thereby restricting the flow of the steam and slowing down the flow rate of the steam, so that the heat in the steam can be fully utilized, thereby improving the heat exchange efficiency of the heat exchanger.

[0018] 2. Through the coordinated use of the hemispherical block and the slot, the fixed plate will be driven to rotate during the rotation of the shaft. During the rotation of the fixed plate, the hemispherical block will be stuck in the slot under the action of the spring. At this time, the first through hole will be completely misaligned with the second through hole and no longer connected, so that it is convenient for the staff to confirm whether the first through hole and the second through hole are in a completely misaligned state, thereby improving the use effect of the heat exchanger.

[0019] 3. Through the setting of the second three-way pipe, the temperature of the steam will drop after the steam is heat exchanged, and condensed water will be generated in the cylinder. The condensed water can enter the liquid outlet pipe and be discharged through the second three-way pipe, thereby avoiding the accumulation of condensed water in the cylinder and affecting the heat exchange efficiency of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the upper three-dimensional structure of the steam heater heat exchanger proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of the steam heater heat exchanger proposed by the present invention;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of the steam heater heat exchanger proposed by the present invention;

[0023] Figure 4 This is an enlarged structural schematic diagram of part A of the steam heater heat exchanger proposed by the present invention;

[0024] Figure 5 A partial cross-sectional structural schematic diagram of a steam heater heat exchanger proposed in the present invention;

[0025] Figure 6 This is a schematic diagram of the cross-sectional structure of the cylinder of the steam heater heat exchanger proposed by the present invention;

[0026] Figure 7 This is a schematic diagram of the partially enlarged structure of the steam heater heat exchanger proposed in the present invention.

[0027] In the figure: 1. first three-way pipe; 2. shell; 3. air pipe; 4. gear; 5. fixed frame; 6. first rack; 7. electric push rod; 8. second three-way pipe; 9. valve; 10. second rack; 11. cylinder; 12. block; 13. spring; 14. guide rod; 15. fixing plate; 16. hemispherical block; 17. slot; 18. first connecting pipe; 19. first heat-conducting pipe; 20. baffle; 21. second heat-conducting pipe; 22. rotating shaft; 23. first through hole; 24. support frame; 25. second through hole; 26. fixing ring; 27. second connecting pipe. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Reference Figure 1-Figure 7 The steam heater heat exchanger comprises a shell 2, two cylinders 11 are fixed by bolts in the shell 2, air pipes 3 are welded on both sides of the two cylinders 11, one end of the two air pipes 3 on the same side passes through the shell 2 and is fixed with a first three-way pipe 1 by bolts, a plurality of uniformly distributed baffles 20 are welded in the two cylinders 11, a fixing ring 26 is rotatably connected to one side of the baffle 20, a plurality of second through holes 25 are opened on one side of the fixing ring 26, a plurality of first through holes 23 corresponding to the second through holes 25 are opened on one side of the baffle 20, a rotating shaft 22 is rotatably connected in the cylinder 11, and the rotating shaft 22 passes through the baffle 20 A plurality of support frames 24 are welded to one side of the fixing ring 26, and the support frames 24 are fixed to the rotating shaft 22. A power assembly for driving the two rotating shafts 22 to rotate in opposite directions is provided on the outer wall of one side of the shell 2. A first heat conducting pipe 19 and a second heat conducting pipe 21 passing through a plurality of baffles 20 are provided in the cylinder 11, and the first heat conducting pipe 19 and the second heat conducting pipe 21 are fixed to the baffles 20. A second connecting pipe 27 is welded to the other end of the first heat conducting pipe 19 and the second heat conducting pipe 21. A first connecting pipe 18 connecting the two first heat conducting pipes 19 is fixed to one end of the two first heat conducting pipes 19 by bolts, and the first connecting pipe 18 passes through the cylinder 11, and the other ends of the two second heat-conducting pipes 21 pass through the cylinder 11 and the shell 2, and the steam is added to the two cylinders 11 through the first three-way pipe 1 and the air pipe 3 on one side, and then water is added to the second heat-conducting pipe 21 through one end of the second heat-conducting pipe 21, so that the water flows in the second heat-conducting pipe 21 and the first heat-conducting pipe 19. At this time, the steam in the cylinder 11 will perform heat exchange with the water in the first heat-conducting pipe 19 and the second heat-conducting pipe 21, and at the same time, the two rotating shafts 22 are driven to rotate in opposite directions through the power assembly, and the rotating shaft 22 will drive the fixing ring 26 to rotate through the support frame 24, so as to The second through hole 25 on the fixing ring 26 in one of the cylinders 11 is misaligned with the first through hole 23 on the baffle 20 and is no longer connected, and the second through hole 25 on the fixing ring 26 in the other cylinder 11 is aligned with the first through hole 23 on the baffle 20 and is connected. At this time, the steam in the cylinder 11 where the first through hole 23 and the second through hole 25 are connected will flow, while the steam in the cylinder 11 where the first through hole 23 and the second through hole 25 are not connected will no longer flow, thereby restricting the flow of steam and slowing down the flow rate of steam, so that the heat in the steam can be fully utilized, thereby improving the heat exchange efficiency of the heat exchanger.

[0030] In particular, the power assembly includes an electric push rod 7, which is fixed to an outer wall of one side of the housing 2 by bolts, one end of the telescopic part of the electric push rod 7 is fixed to a fixing frame 5 by bolts, and the two ends of the fixing frame 5 are fixed to a first rack 6 and a second rack 10 by bolts, one end of the two rotating shafts 22 passes through the cylinder 11 and the housing 2 and is keyed to a gear 4, the first rack 6 and the second rack 10 are respectively meshed with the two gears 4, the teeth of the first rack 6 and the second rack 10 are opposite, the first rack 6 and the second rack 10 are distributed parallel to each other up and down, and when the electric push rod 7 is started to extend, the electric push rod 7 will push the fixing frame 5 to move, and the fixing frame 5 will drive the first rack 6 and the second rack 10 to move, and the first rack 6 and the second rack 10 will drive the two gears 4 to rotate in opposite directions by meshing with the gear 4, and the two gears 4 will drive the two rotating shafts 22 to rotate in opposite directions, so that the first through hole 23 and the second through hole 25 in one of the cylinders 11 are misaligned;

[0031] A fixing plate 15 is welded to the outer sides of the two rotating shafts 22 at positions inside the shell 2, a spring 13 is welded to one side of the fixing plate 15, a stopper 12 is welded to one end of the spring 13, a guide rod 14 is welded to one side of the stopper 12, one end of the guide rod 14 passes through the spring 13 and the fixing plate 15 and is welded with a hemispherical block 16, a slot 17 for the hemispherical block 16 to be inserted into one side of the two cylinders 11 is provided, so that the rotation angle of the rotating shaft 22 is positioned, and during the rotation of one of the rotating shafts 22, the cylinder 11 will push the hemispherical block 16 to move and disengage from the slot 17 through the arc surface of the hemispherical block 16, the hemispherical block 16 will drive the stopper 12 to move through the guide rod 14, and the stopper 12 will stretch the spring 13, and during the rotation of the other rotating shaft 22, the fixing plate 15 will drive the hemispherical block 16 to rotate through the guide rod 14, and when the hemispherical block 16 rotates to align with the slot 17, this When the hemispherical block 16 is engaged with the card slot 17 under the action of the spring 13 and makes a sound, the first through hole 23 and the second through hole 25 are completely misaligned, and then the electric push rod 7 is contracted, so that the state in the two cylinders 11 is changed, so that it is convenient for the staff to confirm whether the first through hole 23 and the second through hole 25 are in a completely misaligned state, thereby improving the use effect of the heat exchanger. Liquid outlet pipes are welded to the bottom of the two cylinders 11, and the bottom ends of the two liquid outlet pipes pass through the shell 2 and are fixed with a second three-way pipe 8 by bolts. A valve 9 is provided on the outside of the second three-way pipe 8. After the steam is heat exchanged, the temperature of the steam will drop. At this time, condensed water will be generated in the cylinder 11, and the condensed water can enter the liquid outlet pipe and be discharged through the second three-way pipe 8, thereby avoiding the accumulation of condensed water in the cylinder 11 and avoiding affecting the heat exchange efficiency of the heat exchanger. The bottom outer wall of the shell 2 is fixed with a plurality of feet supporting the shell 2 by bolts.

[0032] Working principle of this embodiment: when in use, steam is added into the two cylinders 11 through the first three-way pipe 1 and the air pipe 3 on one side, and then water is added into the second heat conducting pipe 21 through one end of the second heat conducting pipe 21, so that the water flows in the second heat conducting pipe 21 and the first heat conducting pipe 19. At this time, the steam in the cylinder 11 will perform heat exchange with the water in the first heat conducting pipe 19 and the second heat conducting pipe 21, and at the same time, the electric push rod 7 is started to extend, and the electric push rod 7 will push the fixed frame 5 to move, and the fixed frame 5 will drive the first rack 6 and the second rack 10 to move, and the first rack 6 and the second rack 10 will move. The two racks 10 will drive the two gears 4 to rotate in opposite directions by meshing with the gear 4, and the two gears 4 will drive the two rotating shafts 22 to rotate in opposite directions. The rotating shaft 22 will drive the fixing ring 26 to rotate through the support frame 24, so that the second through hole 25 on the fixing ring 26 in one of the cylinders 11 is misaligned and no longer connected with the first through hole 23 on the baffle 20, so that the second through hole 25 on the fixing ring 26 in the other cylinder 11 is aligned and connected with the first through hole 23 on the baffle 20. At this time, the cylinder 11 in which the first through hole 23 and the second through hole 25 are connected is The steam will flow, while the steam in the cylinder 11 where the first through hole 23 and the second through hole 25 are not connected will no longer flow, thereby limiting the flow of steam and slowing down the flow rate of steam, so that the heat in the steam can be fully utilized, thereby improving the heat exchange efficiency of the heat exchanger. During the rotation of one of the rotating shafts 22, the cylinder 11 will push the hemispherical block 16 to move and disengage from the slot 17 through the arc surface of the hemispherical block 16, and the hemispherical block 16 will drive the stopper 12 to move through the guide rod 14, and the stopper 12 will stretch the spring 13. During the rotation of the other rotating shaft 22 During the rotation process, the fixing plate 15 will be driven to rotate, and the fixing plate 15 will drive the hemispherical block 16 to rotate through the guide rod 14. When the hemispherical block 16 rotates to align with the slot 17, the hemispherical block 16 will be inserted into the slot 17 under the action of the spring 13 and make a sound. At this time, the first through hole 23 and the second through hole 25 will be completely misaligned, and then the electric push rod 7 will be contracted, so that the states in the two cylinders 11 will be changed, so that it is convenient for the staff to confirm whether the first through hole 23 and the second through hole 25 are in a completely misaligned state, thereby improving the use effect of the heat exchanger.

[0033] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0034] In the description of this article, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection; it can be a mechanical connection, it can be an electrical connection, or it can be a direct connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the description herein, it should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steam heater heat exchanger, comprising a shell (2), characterized in that: Two cylinders (11) are fixedly connected in the shell (2), and both sides of the two cylinders (11) are fixedly connected with air pipes (3), and one end of the two air pipes (3) on the same side passes through the shell (2) and is fixedly connected with a first three-way pipe (1), and a plurality of evenly distributed baffles (20) are fixedly connected in the two cylinders (11), and a fixing ring (26) is rotatably connected to one side of the baffle (20), and a plurality of second through holes (25) are provided on one side of the fixing ring (26), and a plurality of first through holes (23) corresponding to the second through holes (25) are provided on one side of the baffle (20), and a rotating shaft (22) is rotatably connected in the cylinder (11), and the rotating shaft (22) passes through the baffle (20), and a plurality of support frames (24) are fixedly connected to one side of the fixing ring (26), and the support frames (24) are fixedly connected to one side of the fixing ring (26). The support frame (24) is fixed to the rotating shaft (22); a power assembly for driving the two rotating shafts (22) to rotate in opposite directions is provided on one side outer wall of the shell (2); a first heat conducting pipe (19) and a second heat conducting pipe (21) passing through a plurality of baffles (20) are provided in the cylinder (11); the first heat conducting pipe (19) and the second heat conducting pipe (21) are both fixed to the baffles (20); the other ends of the first heat conducting pipe (19) and the second heat conducting pipe (21) are fixedly connected to a second connecting pipe (27); one ends of the two first heat conducting pipes (19) are fixedly connected to a first connecting pipe (18) for connecting the two first heat conducting pipes (19); the first connecting pipe (18) passes through the cylinder (11); the other ends of the two second heat conducting pipes (21) pass through the cylinder (11) and the shell (2).

2. The steam heater heat exchanger according to claim 1, characterized in that: The power assembly comprises an electric push rod (7), the electric push rod (7) is fixedly connected to an outer wall of one side of the housing (2), one end of the telescopic portion of the electric push rod (7) is fixedly connected to a fixing frame (5), both ends of the fixing frame (5) are fixedly connected to a first rack (6) and a second rack (10), one end of the two rotating shafts (22) passes through the cylinder (11) and the housing (2) and is key-connected to a gear (4), and the first rack (6) and the second rack (10) are respectively meshed with the two gears (4).

3. The steam heater heat exchanger according to claim 2, characterized in that: The teeth of the first rack (6) and the second rack (10) are opposed to each other, and the first rack (6) and the second rack (10) are arranged in parallel up and down.

4. The steam heater heat exchanger according to claim 1, characterized in that: The outer sides of the two rotating shafts (22) are fixedly connected to a fixing plate (15) at positions inside the housing (2); one side of the fixing plate (15) is fixedly connected to a spring (13); one end of the spring (13) is fixedly connected to a stopper (12); one side of the stopper (12) is fixedly connected to a guide rod (14); one end of the guide rod (14) passes through the spring (13) and the fixing plate (15) and is fixedly connected to a hemispherical block (16).

5. The steam heater heat exchanger according to claim 3, characterized in that: One side of the two cylinders (11) is provided with a slot (17) for the hemispherical block (16) to be inserted into, so that the rotation angle of the rotating shaft (22) can be positioned.

6. The steam heater heat exchanger according to claim 1, characterized in that: The bottoms of the two cylinders (11) are fixedly connected with liquid outlet pipes, the bottom ends of the two liquid outlet pipes pass through the shell (2) and are fixedly connected with second three-way pipes (8), and a valve (9) is provided on the outside of the second three-way pipe (8).

7. The steam heater heat exchanger according to claim 5, characterized in that: The bottom outer wall of the shell (2) is fixedly connected to a plurality of feet for supporting the shell (2).

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