Pressure-bearing enhanced corrugated plate for preheater

Abstract

The utility model relates to the technical field of preheaters, in particular to a pressure-bearing enhanced corrugated plate for a preheater. The pressure-bearing enhanced corrugated plate for the preheater comprises a preheating plate, first inserting grooves are evenly formed in the front side of the preheating plate, and two sets of threaded holes are evenly formed in the rear side of the inner side wall of each first inserting groove; the connecting blocks are fixed in the first inserting grooves of the preheating plate through the bolts, when the corrugated plate pieces are abraded and need to be replaced, the connecting blocks can be communicated with the corrugated plate-shaped bosses and the corrugated plate pieces to be taken down by screwing off the bolts, and therefore the effect of rapidly replacing the corrugated plate pieces can be achieved; the bearing pressure of the rear side of the corrugated plate piece is improved through the corrugated plate-shaped boss, when the welding point of the corrugated plate-shaped boss and the connecting block falls off, the corrugated plate piece can still be fixed in the second inserting groove of the connecting block through the adhesive, and then it is guaranteed that the corrugated plate-shaped boss is fixed to the surface of the connecting block; therefore, the connection stability of the corrugated plate-shaped boss is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of preheaters, in particular to a pressure-bearing and reinforced corrugated plate for a preheater. Background Art

[0002] Nowadays, the corrugated plates of corrugated plate type preheaters are mostly formed as one piece with the preheating plate by casting. The corrugated plates will wear out due to long-term contact with hot flue gas. When the worn corrugated plates need to be replaced, they need to be peeled off first, and then the surface of the preheating plate is polished before the new corrugated plates can be welded, which makes the replacement of the corrugated plates more cumbersome. In view of the above situation, technical innovation is carried out on the basis of the existing pressure-reinforced corrugated plates for preheaters. Utility Model Content

[0003] The utility model aims to provide a pressure-bearing and reinforced corrugated plate for a preheater to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a pressure-reinforced corrugated plate for a preheater, comprising:

[0005] A preheating plate, wherein a first slot is evenly provided on the front side of the preheating plate, two groups of threaded holes are evenly provided on the rear side of the inner wall of the first slot, a connecting block is placed in the first slot, a corrugated plate-shaped boss is placed on the front side of the connecting block, and a corrugated plate sheet is provided on the front side of the corrugated plate-shaped boss.

[0006] Preferably, two groups of through holes are evenly opened on the front side of the connecting block, bolts are arranged in the through holes, and the bolts are threadedly connected with the threaded holes.

[0007] Preferably, a second slot is provided on the front side of the connection block, a corrugated plate is inserted into the second slot, and an adhesive is applied between the corrugated plate and the second slot.

[0008] Preferably, the corrugated plate-shaped boss is welded to the front side of the corrugated plate segment, and the corrugated plate segment, the corrugated plate-shaped boss and the corrugated plate sheet are integrally formed by cutting.

[0009] Preferably, the front side of the connecting block is flush with the front side of the preheating plate, and the front side of the bolt is flush with the front of the connecting block.

[0010] Preferably, an air outlet pipe is arranged on the left side of the preheating plate, an air inlet pipe is arranged on the right side of the preheating plate, a serpentine air passage is opened inside the preheating plate, and the air outlet pipe and the air inlet pipe are both connected to the serpentine air passage.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model fixes the connection block in the first slot of the preheating plate by bolts. When the corrugated plate is worn and needs to be replaced, the connection block connecting the corrugated plate-shaped boss and the corrugated plate can be removed by unscrewing the bolts, thereby realizing the effect of quickly replacing the corrugated plate.

[0013] The bearing pressure on the rear side of the corrugated plate is increased by the corrugated plate-shaped boss. When the welding point between the corrugated plate-shaped boss and the connecting block falls off, the corrugated plate section can still be fixed in the second slot of the connecting block by the adhesive, thereby ensuring that the corrugated plate-shaped boss is fixed to the surface of the connecting block, thereby improving the connection stability of the corrugated plate-shaped boss and further improving the installation stability of the corrugated plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the pressure-bearing and reinforced corrugated plate for the preheater of the utility model;

[0015] Figure 2 For this utility model Figure 1 A magnified view of part A;

[0016] Figure 3 It is a front cross-sectional view of the pressure-bearing and reinforced corrugated plate for the preheater of the utility model;

[0017] Figure 4 It is a top partial cross-sectional view of the pressure-bearing and reinforced corrugated plate for the preheater of the utility model.

[0018] In the figure: 1, preheating plate; 11, air outlet pipe; 12, air inlet pipe; 13, serpentine airway; 2, connecting block; 21, corrugated plate-shaped boss; 22, corrugated plate; 23, bolt; 24, corrugated plate; 25, adhesive. 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 4The preheater uses a pressure-reinforced corrugated plate sheet, including a preheating plate 1, a first slot is evenly opened on the front side of the preheating plate 1, two groups of threaded holes are evenly opened on the rear side of the inner side wall of the first slot, a connecting block 2 is placed in the first slot, a corrugated plate-shaped boss 21 is placed on the front side of the connecting block 2, a corrugated plate sheet 22 is fixedly arranged on the front side of the corrugated plate-shaped boss 21, and the bearing pressure on the rear side of the corrugated plate sheet 22 is increased by the corrugated plate-shaped boss 21, two groups of through holes are evenly opened on the front side of the connecting block 2, and a The bolt 23 is screwed with the threaded hole, and the connecting block 2 is fixed in the first slot of the preheating plate 1 by the bolt 23. When the corrugated plate 22 is worn and needs to be replaced, the connecting block 2 connected to the corrugated plate-shaped boss 21 and the corrugated plate 22 can be removed by unscrewing the bolt 23, so as to achieve the effect of quickly replacing the corrugated plate 22. A second slot is provided on the front side of the connecting block 2, and a corrugated plate 24 is inserted in the second slot. An adhesive 25 is applied between the corrugated plate 24 and the second slot. The corrugated plate-shaped boss 21 is welded to the front side of the corrugated plate 24. When the welding point between the corrugated plate-shaped boss 21 and the connecting block 2 falls off, the corrugated plate 24 can still be fixed in the second slot of the connecting block 2 by the adhesive 25, thereby ensuring that the corrugated plate-shaped boss 21 is fixed to the surface of the connecting block 2, thereby improving the connection stability of the corrugated plate-shaped boss 21. The corrugated plate 24, the corrugated plate-shaped boss 21 and the corrugated plate sheet 22 are integrally formed by cutting, and the front side of the connecting block 2 is flush with the front side of the preheating plate 1. The front side of the bolt 23 is flush with the front side of the connecting block 2. An air outlet pipe 11 is fixedly provided on the left side of the preheating plate 1, and an air inlet pipe 12 is fixedly provided on the right side of the preheating plate 1. A serpentine air passage 13 is provided inside the preheating plate 1. The air outlet pipe 11 and the air inlet pipe 12 are both connected to the serpentine air passage 13. The air enters the serpentine air passage 13 through the air inlet pipe 12. The serpentine air passage 13 can extend the air flow time in the preheating plate 1, thereby improving the air preheating effect. The preheated air is discharged through the air outlet pipe 11.

[0021] Working principle: The connecting block 2 is fixed in the first slot of the preheating plate 1 by the bolt 23. When the corrugated plate 22 is worn and needs to be replaced, the connecting block 2 connecting the corrugated plate-shaped boss 21 and the corrugated plate 22 can be removed by unscrewing the bolt 23, so that the effect of quickly replacing the corrugated plate 22 can be achieved. The bearing pressure on the rear side of the corrugated plate 22 is increased by the corrugated plate-shaped boss 21. When the welding point between the corrugated plate-shaped boss 21 and the connecting block 2 falls off, the corrugated plate 24 can still be fixed in the second slot of the connecting block 2 by the adhesive 25, thereby ensuring that the corrugated plate-shaped boss 21 is fixed to the surface of the connecting block 2, thereby improving the connection stability of the corrugated plate-shaped boss 21. The air enters the serpentine airway 13 through the intake pipe 12. The serpentine airway 13 can extend the air flow time in the preheating plate 1, thereby improving the air preheating effect. The preheated air is discharged through the outlet pipe 11.

Claims

1. Pressure-reinforced corrugated sheet for preheater, characterized in that: include: A preheating plate (1), wherein a first slot is evenly provided on the front side of the preheating plate (1), two groups of threaded holes are evenly provided on the rear side of the inner side wall of the first slot, a connecting block (2) is placed in the first slot, a corrugated plate-shaped boss (21) is placed on the front side of the connecting block (2), and a corrugated plate sheet (22) is provided on the front side of the corrugated plate-shaped boss (21).

2. The pressure-reinforced corrugated sheet for preheater according to claim 1, characterized in that: Two groups of through holes are evenly opened on the front side of the connection block (2), bolts (23) are arranged in the through holes, and the bolts (23) are screwed into the threaded holes.

3. The pressure-reinforced corrugated sheet for preheater according to claim 2, characterized in that: A second slot is provided on the front side of the connection block (2), a corrugated plate (24) is inserted into the second slot, and an adhesive (25) is applied between the corrugated plate (24) and the second slot.

4. The pressure-reinforced corrugated sheet for preheater according to claim 3, characterized in that: The corrugated plate-shaped boss (21) is welded to the front side of the corrugated plate (24); the corrugated plate (24), the corrugated plate-shaped boss (21) and the corrugated plate sheet (22) are integrally formed by cutting.

5. The pressure-reinforced corrugated sheet for preheater according to claim 2, characterized in that: The front side of the connecting block (2) is flush with the front side of the preheating plate (1), and the front side of the bolt (23) is flush with the front side of the connecting block (2).

6. The pressure-reinforced corrugated sheet for preheater according to claim 1, characterized in that: An air outlet pipe (11) is arranged on the left side of the preheating plate (1), an air inlet pipe (12) is arranged on the right side of the preheating plate (1), a serpentine air passage (13) is provided inside the preheating plate (1), and the air outlet pipe (11) and the air inlet pipe (12) are both connected to the serpentine air passage (13).

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