Snakelike tube bundle device of boiler superheater

Abstract

The utility model relates to the technical field of boiler superheaters, and discloses a boiler superheater S-shaped tube bundle device which comprises an inlet header and an outlet header, connecting mechanisms are arranged on the inlet header and the outlet header, dismounting and mounting mechanisms are arranged on the connecting mechanisms, and each connecting mechanism comprises a connecting base. And an internal thread is formed in the connecting base, a threaded ring is movably connected to the interior of the connecting base, and a connecting bent pipe is rotationally connected to the interior of the threaded ring. According to the snakelike tube bundle device of the boiler superheater, firstly, one side of each connecting bent tube is inserted into the corresponding connecting base, the threaded rings on the outer sides of the connecting bent tubes are rotated, so that the threaded rings are rotated into the connecting bases and meshed with internal threads in the connecting bases, and then the connecting bent tubes can be installed on the inlet header and the outlet header respectively; through the mutual cooperation of the structures, the follow-up flexible installation of the coiled pipe body can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler superheaters, in particular to a serpentine tube bundle device for a boiler superheater. Background Art

[0002] The boiler superheater recovers the boiler flue gas energy so that the steam coming out of the boiler can be heated and turned into dry steam, which is beneficial to improving the thermal efficiency of the boiler and also helps the steam turbine avoid water hammer. The regenerator recovers energy from the exhaust steam of the steam turbine and heats the circulating water entering the boiler.

[0003] Due to the complex pipe structure of the serpentine tube bundle, cleaning and maintenance work becomes difficult, especially in the curved part of the pipe and the central area of ​​the tube bundle, and the cleaning and maintenance are more difficult. In addition, the traditional superheater tube is made of seamless boiler steel pipe or heat-resistant alloy steel pipe bent into a serpentine shape, and its two ends are respectively welded to the inlet header and the outlet header, resulting in that the serpentine tube bundle cannot be flexibly used in other boilers. Therefore, a boiler superheater serpentine tube bundle device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a boiler superheater serpentine tube bundle device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a boiler superheater serpentine tube bundle device, comprising an inlet header and an outlet header, both of which are provided with a connecting mechanism, and a disassembly mechanism is provided on the connecting mechanism;

[0006] The connection mechanism comprises a connection seat, an internal thread is provided inside the connection seat, a threaded ring is movably connected inside the connection seat, and a connecting elbow is rotatably connected inside the threaded ring.

[0007] Preferably, the inlet header and the outlet header are both fixedly connected with no less than five connection seats, and the plurality of connection seats are distributed at equal intervals.

[0008] Preferably, one side of the connecting elbow extends to the interior of the connecting seat, and the internal thread provided in the connecting seat is matched with the thread on the outer side of the threaded ring.

[0009] Through the above technical solution, the internal thread is matched with the thread on the threaded ring, and the connecting elbow can be fixed on the connecting seat through the threaded ring.

[0010] Preferably, the disassembly and assembly mechanism includes a limiting plate, a first connecting block is fixedly connected to one side of the connecting elbow, a clamping groove is opened on one side of the first connecting block, a clamping rod is movably connected inside the clamping groove, a second connecting block is fixedly connected to one side of the clamping rod, a serpentine tube body is fixedly connected to one side of the second connecting block, and a connecting ring is movably connected to the outer side of the serpentine tube body.

[0011] Preferably, the limiting plate is fixedly connected to the outer side of the connecting elbow, and the first connecting block is fixedly connected to the opposite sides of the upper and lower connecting elbows.

[0012] Preferably, the first connecting block and the second connecting block are both annular in design, the number of the card slots is not less than five and they are distributed in annular shape on the first connecting block, and the card slots are adapted to the card rods.

[0013] Through the above technical solution, the position of the serpentine tube body can be preliminarily fixed under the cooperation of the clamping groove and the clamping rod.

[0014] Preferably, a first connecting thread is provided on the outer side of the first connecting block, a second connecting thread is provided on the outer side of the second connecting block, there are two connecting rings and a third connecting thread is provided inside the rings, and the third connecting thread is respectively matched with the first connecting thread and the second connecting thread.

[0015] Through the above technical solution, the connecting ring is rotated outside the first connecting block and the second connecting block, and the serpentine pipe body can be fixed on the connecting elbow with the cooperation of the first connecting thread, the second connecting thread and the third connecting thread.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, the utility model first inserts one side of the connecting elbow into the connecting seat, and rotates the threaded ring on the outside of the connecting elbow so that the threaded ring is turned into the connecting seat and engages with the internal thread inside the connecting seat, and the connecting elbow can be installed on the inlet header and the outlet header respectively. Through the mutual cooperation between the above structures, the subsequent flexible installation of the serpentine pipe body can be facilitated.

[0018] Second, the utility model inserts the clamping rod on the serpentine tube body into the clamping groove in the first connecting block on the connecting elbow to complete the preliminary installation of the serpentine tube body, and then wraps the two connecting rings on the outside of the serpentine tube body around the outside of the first connecting block and the second connecting block respectively until one side of the connecting ring fits with the limit plate to complete the installation of the serpentine tube body. If the serpentine tube body needs to be disassembled and cleaned, rotate the connecting ring until it is disengaged from the first connecting block and the second connecting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a three-dimensional schematic diagram of the utility model;

[0020] Figure 2 This is another isometric perspective schematic diagram of the utility model;

[0021] Figure 3 This is a three-dimensional schematic diagram of the connection seat of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the utility model.

[0023] Among them: 1. inlet header; 2. outlet header; 3. connecting mechanism; 31. connecting seat; 32. internal thread; 33. threaded ring; 34. connecting elbow; 4. disassembly and assembly mechanism; 41. limit plate; 42. first connecting block; 43. slot; 44. clamping rod; 45. second connecting block; 46. serpentine pipe body; 47. connecting ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides the following technical solutions:

[0026] Embodiment 1

[0027] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A boiler superheater serpentine tube bundle device comprises an inlet header 1 and an outlet header 2, wherein the inlet header 1 and the outlet header 2 are both fixedly connected with a connecting mechanism 3, wherein the connecting mechanism 3 comprises a connecting seat 31, wherein an internal thread 32 is provided inside the connecting seat 31, wherein a threaded ring 33 is movably connected inside the connecting seat 31, wherein a connecting elbow 34 is rotatably connected inside the threaded ring 33, wherein no less than five connecting seats 31 are fixedly connected to the inlet header 1 and the outlet header 2, wherein the multiple connecting seats 31 are evenly spaced, wherein one side of the connecting elbow 34 extends to the inside of the connecting seat 31, and the internal thread 32 provided inside the connecting seat 31 is matched with the thread on the outside of the threaded ring 33.

[0028] Through the above technical solution, firstly, one side of the connecting elbow 34 is inserted into the connecting seat 31, and the threaded ring 33 on the outside of the connecting elbow 34 is rotated so that the threaded ring 33 is turned into the connecting seat 31 and meshed with the internal thread 32 inside the connecting seat 31. Then, the connecting elbow 34 can be installed on the inlet header 1 and the outlet header 2 respectively. Through the mutual cooperation between the above structures, the flexible installation of the subsequent serpentine tube body 46 can be facilitated.

[0029] Embodiment 2

[0030] See also Figure 1 , Figure 2 and Figure 4 , and on the basis of the first embodiment, it is further obtained that: the connecting mechanism 3 is fixedly connected with the disassembly mechanism 4, the disassembly mechanism 4 includes a limiting plate 41, a first connecting block 42 is fixedly connected to one side of the connecting elbow 34, a clamping groove 43 is provided on one side of the first connecting block 42, a clamping rod 44 is movably connected inside the clamping groove 43, a second connecting block 45 is fixedly connected to one side of the clamping rod 44, a serpentine tube body 46 is fixedly connected to one side of the second connecting block 45, a connecting ring 47 is movably connected to the outer side of the serpentine tube body 46, and the limiting plate 41 is fixedly connected to the connecting elbow 34. 4, the first connecting block 42 is fixedly connected to the opposite sides of the upper and lower connecting elbows 34, the first connecting block 42 and the second connecting block 45 are both annular in design, the number of the clamping grooves 43 is not less than five and is distributed in an annular shape on the first connecting block 42, the clamping grooves 43 are adapted to the clamping rod 44, the first connecting block 42 is provided with a first connecting thread on the outside, the second connecting block 45 is provided with a second connecting thread on the outside, the number of the connecting rings 47 is two and a third connecting thread is opened inside thereof, and the third connecting thread is adapted to the first connecting thread and the second connecting thread respectively.

[0031] Through the above technical solution, the clamping rod 44 on the serpentine tube body 46 is inserted into the clamping groove 43 in the first connecting block 42 on the connecting elbow 34 to complete the preliminary installation of the serpentine tube body 46, and then the two connecting rings 47 on the outside of the serpentine tube body 46 are respectively wrapped around the outside of the first connecting block 42 and the second connecting block 45 until one side of the connecting ring 47 is in contact with the limiting plate 41, and the installation of the serpentine tube body 46 is completed. If the serpentine tube body 46 needs to be disassembled and cleaned, the connecting ring 47 is rotated until it is disengaged from the first connecting block 42 and the second connecting block 45.

[0032] In actual operation, when this device is in use, first, the threaded ring 33 on the connecting elbow 34 is rotated into the connecting seat 31 on the inlet header 1, and then the serpentine tube body 46 is positioned on the connecting elbow 34 through the mutual cooperation between the clamping rod 44 and the slot 43, and a connecting ring 47 is screwed on the outside of the first connecting block 42 and the second connecting block 45, so that the fixation of one end of the serpentine tube body 46 can be completed, and the other connecting elbow 34 is installed on the connecting seat 31 of the outlet header 2, while ensuring that the clamping rod 44 on the other side of the serpentine tube body 46 is inserted into the clamping groove 43 of the connecting elbow 34 on the outlet header 2, and finally, the other connecting ring 47 on the serpentine tube body 46 is screwed on the outside of the first connecting block 42 and the second connecting block 45, so that the fixation of the two ends of the serpentine tube body 46 can be completed. When it is necessary to disassemble the connecting elbow 34 and the serpentine tube body 46, the connecting elbow 34 and the serpentine tube body 46 can be removed by turning out the threaded ring 33 and the connecting ring 47.

[0033] Although the 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A boiler superheater serpentine tube bundle device, comprising an inlet header (1) and an outlet header (2), characterized in that: The inlet header (1) and the outlet header (2) are both provided with a connecting mechanism (3), and the connecting mechanism (3) is provided with a disassembly mechanism (4); The connection mechanism (3) comprises a connection seat (31), the interior of the connection seat (31) is provided with an internal thread (32), the interior of the connection seat (31) is movably connected to a threaded ring (33), and the interior of the threaded ring (33) is rotatably connected to a connection elbow (34).

2. The boiler superheater serpentine tube bundle device according to claim 1, characterized in that: The inlet header (1) and the outlet header (2) are both fixedly connected with no less than five connection seats (31), and the plurality of connection seats (31) are distributed at equal intervals.

3. The boiler superheater serpentine tube bundle device according to claim 1, characterized in that: One side of the connecting elbow (34) extends to the interior of the connecting seat (31), and the internal thread (32) provided inside the connecting seat (31) is adapted to the thread on the outside of the threaded ring (33).

4. The boiler superheater serpentine tube bundle device according to claim 1, characterized in that: The disassembly and assembly mechanism (4) comprises a limit plate (41), a first connection block (42) is fixedly connected to one side of the connecting elbow (34), a clamping groove (43) is provided on one side of the first connection block (42), a clamping rod (44) is movably connected inside the clamping groove (43), a second connection block (45) is fixedly connected to one side of the clamping rod (44), a serpentine tube body (46) is fixedly connected to one side of the second connection block (45), and a connecting ring (47) is movably connected to the outer side of the serpentine tube body (46).

5. The boiler superheater serpentine tube bundle device according to claim 4, characterized in that: The limiting plate (41) is fixedly connected to the outside of the connecting elbow (34), and the first connecting block (42) is fixedly connected to the opposite sides of the upper and lower connecting elbows (34).

6. The boiler superheater serpentine tube bundle device according to claim 4, characterized in that: The first connection block (42) and the second connection block (45) are both annular in design, the number of the clamping grooves (43) is not less than five and they are distributed in annular shape on the first connection block (42), and the clamping grooves (43) are matched with the clamping rods (44).

7. The boiler superheater serpentine tube bundle device according to claim 4, characterized in that: The first connecting block (42) is provided with a first connecting thread on the outside, the second connecting block (45) is provided with a second connecting thread on the outside, the connecting rings (47) are two in number and are provided with a third connecting thread inside, and the third connecting thread is respectively compatible with the first connecting thread and the second connecting thread.

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