Smoke wide runner plate type air preheater

Abstract

The utility model relates to the technical field of air preheaters, and discloses a flue gas wide runner plate type air preheater which comprises a preheater body, an installation clamping mechanism is arranged on one side of the preheater body, and the installation clamping mechanism comprises a first semicircular block, a second semicircular block, a half bearing round block, a half bearing round block, a guide rod and a clamping block. The first semi-circular block and the second semi-circular block are arranged on one side of the preheater body, the opposite sides of the first semi-circular block and the second semi-circular block are attached, the outer surface of the half bearing circular block is movably connected with the interiors of the first semi-circular block and the second semi-circular block, and the outer surface of the half bearing circular block is fixedly connected with the upper sides of the interiors of the first semi-circular block and the second semi-circular block. According to the flue gas wide runner plate type air preheater, a to-be-connected pipeline and the preheater main body can be effectively in butt joint, so that subsequent welding is facilitated, the to-be-connected pipeline does not need to be manually supported for welding, the welding efficiency between the to-be-connected pipeline and the preheater main body is improved, and workers can conveniently operate the flue gas wide runner plate type air preheater.

Description

Technical Field

[0001] The utility model relates to the technical field of air preheaters, in particular to a flue gas wide flow channel plate type air preheater. Background Art

[0002] At present, the air preheaters used for waste power generation, biomass power generation and coal-fired power plant boiler flue gas waste heat recovery are mainly rotary, plate, tube and finned tube types. Among them, the plate preheater has a compact structure and efficient heat exchange.

[0003] However, the following problems still exist in actual use:

[0004] The existing plate-type air preheater needs to be connected to an external pipeline during use, and its interface part is butt-jointed by welding. However, during the butt-jointing process, manual contact equipment is required to lift the pipeline and then slowly move the pipeline for butt-jointing. This method is troublesome to install. When the butt-jointing process is affected by external forces, inconsistent butt-jointing will occur, and the butt-jointing process is relatively cumbersome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a flue gas wide flow channel plate-type air preheater, which has the advantages of being able to be quickly docked and convenient for subsequent welding, and solves the problems raised in the background technology.

[0006] The utility model provides the following technical scheme: a flue gas wide flow channel plate type air preheater, comprising: a preheater body, one side of the preheater body is provided with an installation clamping mechanism, the installation clamping mechanism comprises a semicircular block one, a semicircular block two, a semi-bearing circular block, a semi-supporting circular block, a guide rod and a clamping block, the semicircular block one and the semicircular block two are arranged on one side of the preheater body, the opposite sides of the semicircular block one and the semicircular block two are fitted, the outer surface of the semi-bearing circular block is movably connected to the inside of the semicircular block one and the semicircular block two, the outer surface of the semi-supporting circular block is fixedly connected to the inner upper side of the semicircular block one and the semicircular block two, the upper surface of the semi-bearing circular block is fitted to the lower surface of the semi-supporting circular block, the semi-bearing circular block is provided with an arc groove, the outer surface of the guide rod is movably connected to the inside of the arc groove, the semi-supporting circular block is provided with a sliding groove, the two sides of the clamping block are movably connected to the inner wall of the sliding groove, and the upper end of the guide rod is fixedly connected to the lower surface of the clamping block.

[0007] Preferably, both sides of the semicircular block one are fixedly connected to side block two, and both sides of the semicircular block two are fixedly connected to side block one, insertion grooves are provided on the outer sides of side block two and side block one, a U-shaped block is inserted into the inner side of the insertion groove, and bolt two is connected to side block two, side block one and the U-shaped block.

[0008] Preferably, a notch is provided on one side of the semicircular block 2, a toggle rod is fixedly connected to the outer side of the semi-bearing circular block inside the semicircular block 2, and the outer surface of the toggle rod is movably connected to the inside of the notch.

[0009] Preferably, three groups of arc grooves and sliding grooves are provided, and the three groups of arc grooves and sliding grooves are respectively opened on the semi-bearing circular block and the semi-receiving circular block.

[0010] Preferably, the guide rods and the clamping blocks are provided in three groups, and the three groups of guide rods and the clamping blocks are distributed on the semi-bearing circular block and the semi-receiving circular block.

[0011] Preferably, an L-shaped connecting block is fixedly connected to the middle position of the outer side of the semicircular block 1 and the semicircular block 2, the opposite sides of the L-shaped connecting block are fitted with the upper and lower surfaces of the preheater body, and the fitting position of the L-shaped connecting block and the preheater body is connected with bolt 1.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. This flue gas wide flow channel plate air preheater is provided with an installation clamping mechanism. When the pipes to be connected are aligned and welded, the pipes to be connected are first placed between the semicircular block 1 and the semicircular block 2. Since the semicircular block 1 and the semicircular block 2 are movably connected with the semi-bearing circular block inside, and the semicircular block 1 and the semicircular block 2 are fixedly connected with the semi-receiving circular block on the upper side inside, the semi-bearing circular block is rotated inside the chamber composed of the semicircular block 1, the semicircular block 2 and the semi-receiving circular block. At the same time, since an arc groove is provided on the semi-bearing circular block, a guide rod is movably connected inside the arc groove, and a sliding groove is provided on the semi-receiving circular block, and the upper end of the guide rod is connected with a clamping block, both sides of the clamping block are connected to the sliding groove. The semi-bearing circular block is movably connected to the inner part, and a toggle rod is connected to one side of the semi-bearing circular block. By rotating the toggle rod, the toggle rod drives the semi-bearing circular block to rotate, so that the guide rod moves inside the arc groove, and the movement of the guide rod pushes the clamping block to move closer to the middle inside the sliding groove, so as to clamp the pipe to be connected between the semicircular block one and the semicircular block two, so as to facilitate the welding of the pipe to be connected with the preheater body. The setting of this structure can effectively connect the pipe to be connected with the preheater body, so as to facilitate subsequent welding, and there is no need to manually support the pipe to be connected for welding, which improves the welding efficiency between the pipe to be connected and the preheater body and is convenient for workers to operate.

[0014] 2. This flue gas wide flow channel plate air preheater is provided with an L-shaped connecting block, a bolt 1, a side block 1, a side block 2, a U-shaped clamping block and a bolt 2. Since the semicircular block 2 and the semicircular block 1 are separate semicircular entities, and the semi-bearing circular block and the semi-supporting circular block are both provided with two groups, and the two groups of semi-bearing circular blocks and the semi-supporting circular blocks are also separate semicircular entities, by aligning the opposite sides of the two groups of semicircular blocks 1 and the semicircular block 2, at this time, the side blocks 2 respectively provided on both sides of the semicircular block 1 and the semicircular block 2 are fitted with the opposite sides of the side block 1. Since the outer sides of the semicircular block 1 and the semicircular block 2 are provided with insertion grooves, the U-shaped clamping block and the semicircular block 1 are provided with insertion grooves, and the U-shaped clamping block and the semicircular block 1 are provided with insertion grooves, and the U-shaped clamping block and the semicircular block 1 are provided with insertion grooves, and the U-shaped clamping block and the semicircular block 2 are provided with insertion grooves, and ... and the semicircular block 2 are provided with insertion grooves, and the U-shaped clamp and the semicircular block 1 are provided with insertion grooves, and the U-shaped clamp and the semicircular block 2 are provided with insertion grooves, and the U-shaped clamp and the semicircular block 2 are The U-shaped block is inserted into the insertion groove, and the bolt 2 is used to limit the U-shaped block, so that the semicircular block 1 and the semicircular block 2 form a complete circular individual. At this time, the semicircular block 1 and the semicircular block 2 can be assembled on the outer surface of the pipe to be connected, and then the overall device is installed on the preheater body through the L-shaped connecting block arranged on the outer surface of the semicircular block 1 and the semicircular block 2, and the pipes can be butt-jointed. The setting of this structure can effectively wrap around the pipe to be connected, which is convenient for subsequent pipe welding. At the same time, the device is in a disassembled state, which is convenient for aligning multiple groups of pipes and facilitating the welding of pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0016] Figure 2 This is a schematic diagram of the structure of the clamping mechanism for installing the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the semicircular block 1 and the semicircular block 2 of the utility model.

[0018] In the figure: 1. preheater body; 2. L-shaped connecting block; 3. mounting clamping mechanism; 4. bolt 1; 5. semicircular block 1; 6. semicircular block 2; 7. notch; 8. toggle rod; 9. side block 1; 10. side block 2; 11. U-shaped clamping block; 12. bolt 2; 13. sliding groove; 14. insertion groove; 15. semi-bearing circular block; 16. arc groove; 17. guide rod; 18. clamping block; 19. semi-supporting circular block. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 , Figure 2 and Figure 3A flue gas wide flow channel plate air preheater, comprising: a preheater body 1, a mounting clamping mechanism 3 is arranged on one side of the preheater body 1, the mounting clamping mechanism 3 comprises a semicircular block 1 5, a semicircular block 2 6, a semi-bearing circular block 15, a semi-supporting circular block 19, a guide rod 17 and a clamping block 18, the semicircular block 1 5 and the semicircular block 2 6 are arranged on one side of the preheater body 1, the semicircular block 1 5 and the semicircular block 2 6 are fitted on opposite sides, the outer surface of the semi-bearing circular block 15 is movably connected to the inner part of the semicircular block 1 5 and the semicircular block 2 6, the outer surface of the semi-supporting circular block 19 is movably connected to the semicircular block 1 The inner upper sides of the round block 15 and the semicircular block 2 6 are fixedly connected, the upper surface of the semi-bearing round block 15 is fitted with the lower surface of the semi-supporting round block 19, the semi-bearing round block 15 is provided with an arc groove 16, the outer surface of the guide rod 17 is movably connected with the inner side of the arc groove 16, the semi-supporting round block 19 is provided with a sliding groove 13, the two sides of the clamping block 18 are movably connected with the inner wall of the sliding groove 13, the upper end of the guide rod 17 is fixedly connected with the lower surface of the clamping block 18, a notch 7 is provided on one side of the semicircular block 2 6, and the outer side of the semi-bearing round block 15 inside the semicircular block 2 6 is fixedly connected There is a toggle rod 8, the outer surface of the toggle rod 8 is movably connected to the inside of the notch 7, because the semicircular block 15 and the semicircular block 2 are movably connected to the semi-bearing circular block 15, and the semicircular block 15 and the semicircular block 2 are fixedly connected to the upper side of the inner part of the semicircular block 15 and the semicircular block 26, so that the semi-bearing circular block 15 rotates inside the chamber composed of the semicircular block 15, the semicircular block 26 and the semi-receiving circular block 19. At the same time, since an arc groove 16 is provided on the semi-bearing circular block 15, a guide rod 17 is movably connected to the inside of the arc groove 16, and a sliding groove 13 is provided on the semi-receiving circular block 19, and The upper end of the guide rod 17 is connected to a clamping block 18, and both sides of the clamping block 18 are movably connected to the inside of the sliding groove 13. At the same time, a toggle rod 8 is connected to one side of the semi-bearing circular block 15. By rotating the toggle rod 8, the toggle rod 8 drives the semi-bearing circular block 15 to rotate, so that the guide rod 17 moves inside the arc groove 16. The movement of the guide rod 17 pushes the clamping block 18 to move toward the middle inside the sliding groove 13, thereby clamping the pipe to be connected between the semicircular block 1 5 and the semicircular block 2 6, so as to facilitate welding of the pipe to be connected with the preheater body 1.

[0021] See also Figure 1 and Figure 2, both sides of the semicircular block 15 are fixedly connected with side blocks 2 10, both sides of the semicircular block 26 are fixedly connected with side blocks 19, the outer sides of the side blocks 20 and 9 are provided with insertion grooves 14, and the inside of the insertion grooves 14 is plugged with U-shaped card blocks 11, and the side blocks 20, 9 and U-shaped card blocks 11 are connected with bolts 2 12, and the middle positions of the outer sides of the semicircular blocks 15 and 6 are fixedly connected with L-shaped connecting blocks 2, and the opposite sides of the L-shaped connecting blocks 2 are fitted with the upper and lower surfaces of the preheater body 1, and the fitting parts of the L-shaped connecting blocks 2 and the preheater body 1 are connected with bolts 4. Since the semicircular blocks 26 and 15 are separate semicircular individuals, and the semi-bearing circular blocks 15 and the semi-supporting circular blocks 19 are provided with two groups, and the two groups of semi-bearing circular blocks 15 and semi-supporting circular blocks 19 are provided with two groups. The connecting circular block 19 is also a separate semicircular individual. By aligning the opposite sides of the two groups of semicircular blocks 1 5 and semicircular blocks 2 6, the side blocks 2 10 and the opposite sides of the side blocks 1 9 respectively arranged on both sides of the semicircular blocks 1 5 and the semicircular blocks 2 6 fit together. Since the outer sides of the semicircular blocks 1 5 and the semicircular blocks 2 6 are provided with insertion grooves 14, the matching U-shaped clamping block 11 is inserted into the insertion groove 14, and then the U-shaped clamping block 11 is limited by the bolt 2 12, so that the semicircular blocks 1 5 and the semicircular blocks 2 6 form a complete circular individual. At this time, the semicircular blocks 1 5 and the semicircular blocks 2 6 can be assembled on the outer surface of the pipe to be connected, and then the overall device is installed on the preheater body 1 through the L-shaped connecting block 2 arranged on the outer surfaces of the semicircular blocks 1 5 and the semicircular blocks 2 6, so that the pipes can be connected.

[0022] See also Figure 3 There are three groups of arc grooves 16 and sliding grooves 13, and the three groups of arc grooves 16 and sliding grooves 13 are respectively opened on the semi-bearing round block 15 and the semi-receiving round block 19.

[0023] See also Figure 3 There are three groups of guide rods 17 and clamping blocks 18, and the three groups of guide rods 17 and clamping blocks 18 are distributed on the semi-bearing circular block 15 and the semi-receiving circular block 19.

[0024] Working principle: when in use, first place the pipe to be connected between the semicircular block 1 5 and the semicircular block 2 6. Since the semicircular block 2 6 and the semicircular block 1 5 are separate semicircular individuals, and the semi-bearing circular block 15 and the semi-receiving circular block 19 are each provided with two groups, and the two groups of semi-bearing circular blocks 15 and semi-receiving circular blocks 19 are also separate semicircular individuals, by aligning the opposite sides of the two groups of semicircular blocks 1 5 and semicircular blocks 2 6, at this time, the side blocks 2 10 and the side blocks 1 9 respectively provided on both sides of the semicircular block 1 5 and the semicircular block 2 6 fit together. 5 and the outer sides of the semicircular block 2 6 are provided with an insertion groove 14, and the matching U-shaped block 11 is inserted into the inside of the insertion groove 14, and then the U-shaped block 11 is limited by the bolt 2 12, so that the semicircular block 1 5 and the semicircular block 2 6 form a complete circular individual. At this time, the semicircular block 1 5 and the semicircular block 2 6 can be assembled on the outer surface of the pipe to be connected, and then the overall device is installed on the preheater body 1 through the L-shaped connecting block 2 set on the outer surface of the semicircular block 1 5 and the semicircular block 2 6, and the pipe can be docked.

[0025] Since the semi-circular block 15 and the semi-circular block 2 are movably connected to the semi-bearing circular block 15, and the semi-circular block 15 and the semi-circular block 2 are fixedly connected to the upper side of the semi-circular block 15 and the semi-circular block 2, the semi-bearing circular block 15 rotates inside the chamber composed of the semi-circular block 15, the semi-circular block 26 and the semi-supporting circular block 19. At the same time, since the semi-bearing circular block 15 is provided with an arc groove 16, the arc groove 16 is movably connected to the guide rod 17, the semi-supporting circular block 19 is provided with a sliding groove 13, and the upper end of the guide rod 17 is connected to the clamping block 18, both sides of the clamping block 18 are movably connected with the inside of the sliding groove 13, and at the same time, a toggle rod 8 is connected to one side of the semi-bearing circular block 15. By rotating the toggle rod 8, the toggle rod 8 drives the semi-bearing circular block 15 to rotate, so that the guide rod 17 moves inside the arc groove 16. The movement of the guide rod 17 pushes the clamping block 18 to move toward the middle inside the sliding groove 13, thereby clamping the pipe to be connected between the semicircular block 1 5 and the semicircular block 2 6, so as to facilitate the welding of the pipe to be connected with the preheater body 1.

[0026] 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas wide flow channel plate type air preheater, characterized in that: include: A preheater body (1), wherein one side of the preheater body (1) is provided with a mounting clamping mechanism (3), wherein the mounting clamping mechanism (3) comprises a semicircular block 1 (5), a semicircular block 2 (6), a semi-bearing circular block (15), a semi-supporting circular block (19), a guide rod (17) and a clamping block (18), wherein the semicircular block 1 (5) and the semicircular block 2 (6) are arranged on one side of the preheater body (1), wherein the opposite sides of the semicircular block 1 (5) and the semicircular block 2 (6) are fitted together, wherein the outer surface of the semi-bearing circular block (15) is movably connected to the inner part of the semicircular block 1 (5) and the semicircular block 2 (6), wherein the semi-bearing circular block (15) is provided with a semicircular block 1 (5) and a semicircular block 2 (6) and wherein the semi-bearing circular block (19 ... The outer surface of the connecting circular block (19) is fixedly connected to the inner upper sides of the semicircular block 1 (5) and the semicircular block 2 (6); the upper surface of the semi-bearing circular block (15) is fitted with the lower surface of the semi-receiving circular block (19); an arc groove (16) is provided on the semi-bearing circular block (15); the outer surface of the guide rod (17) is movably connected to the inside of the arc groove (16); a sliding groove (13) is provided on the semi-receiving circular block (19); the two sides of the clamping block (18) are movably connected to the inner wall of the sliding groove (13); and the upper end of the guide rod (17) is fixedly connected to the lower surface of the clamping block (18).

2. The wide flue gas flow channel plate type air preheater according to claim 1, characterized in that: The two sides of the semicircular block 1 (5) are fixedly connected to the side block 2 (10), and the two sides of the semicircular block 2 (6) are fixedly connected to the side block 1 (9). The outer sides of the side block 2 (10) and the side block 1 (9) are provided with insertion grooves (14), and the inside of the insertion grooves (14) is plugged with U-shaped clamping blocks (11). The side block 2 (10), the side block 1 (9) and the U-shaped clamping block (11) are connected with bolts 2 (12).

3. The wide flue gas flow channel plate type air preheater according to claim 1, characterized in that: A notch (7) is provided on one side of the semicircular block 2 (6); a toggle rod (8) is fixedly connected to the outer side of the semi-bearing circular block (15) inside the semicircular block 2 (6); and the outer surface of the toggle rod (8) is movably connected to the inside of the notch (7).

4. The wide flue gas flow channel plate type air preheater according to claim 1, characterized in that: The arc grooves (16) and the sliding grooves (13) are each provided in three groups, and the three groups of arc grooves (16) and sliding grooves (13) are respectively opened on the semi-bearing circular block (15) and the semi-receiving circular block (19).

5. The wide flue gas flow channel plate type air preheater according to claim 1, characterized in that: The guide rods (17) and the clamping blocks (18) are provided in three groups, and the three groups of guide rods (17) and the clamping blocks (18) are distributed on the semi-bearing circular block (15) and the semi-supporting circular block (19).

6. The wide flue gas flow channel plate type air preheater according to claim 1, characterized in that: The outer middle positions of the semicircular block 1 (5) and the semicircular block 2 (6) are fixedly connected with an L-shaped connecting block (2), the opposite sides of the L-shaped connecting block (2) are fitted with the upper and lower surfaces of the preheater body (1), and the fitting position of the L-shaped connecting block (2) and the preheater body (1) is connected with a bolt 1 (4).

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