Flue gas denitration pipeline of waste heat boiler

Abstract

The flue gas denitration pipeline of the waste heat boiler comprises a mounting seat, four uniformly distributed mounting holes are formed in the mounting seat, two symmetrically distributed pipelines are slidably connected to the interior of the upper end of the mounting seat, connecting discs are fixedly connected to the ends, close to each other, of the two pipelines, and the connecting discs are fixedly connected to the upper end of the mounting seat. The two connecting discs make contact with each other, the connecting discs are slidably connected with the mounting base, the lower ends of the connecting discs are fixedly connected with supporting blocks, and the supporting blocks are slidably connected with the mounting base. The inclined blocks and the inclined grooves are designed to be used in cooperation, when the inclined blocks slide along the inclined grooves, the connecting discs can be pushed to horizontally move, the two connecting discs can abut against each other, the purpose of connecting pipelines is achieved, compared with a spring clamping mode, the connecting stability is higher, shaking and falling are avoided, and the service life of the pipeline is prolonged. And the connection and use stability of the pipeline is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas denitration pipelines, in particular to a flue gas denitration pipeline of a waste heat boiler. Background Art

[0002] Waste heat boilers are equipment used to recover heat. For example, in the field of nonferrous metallurgy, waste heat boilers are widely used to recover heat from flue gases in metallurgical furnaces (such as smelting furnaces). During the use of waste heat boilers, the flue gases need to be denitrated, and the denitrification process cannot be separated from pipeline transmission.

[0003] The utility model patent with the patent authorization announcement number CN215981323U discloses a leak-free docking device for pipes used for flue gas denitrification, including pipe 1 and pipe 2 docked with each other, a first convex ring is fixedly sleeved on one end of pipe 1 close to pipe 2, a second convex ring is fixedly sleeved on one end of pipe 2 close to the first convex ring, a plurality of groups of plug rods are protrudingly provided on the end of the first convex ring close to pipe 2, a plurality of through holes are penetrated on the second convex ring, each plug rod is inserted into a group of through holes and quickly fixed on the second convex ring through a positioning assembly, and a partition is protrudingly provided on one side of pipe 2 close to the second convex ring, and a slot is provided on pipe 1. This device is not only convenient for the rapid docking and fixing of pipes 1 and 2, but also can act on multiple groups of positioning assemblies at the same time by simply pressing the active ring, so that the positioning assemblies release the fixing effect of the second convex ring, thereby facilitating the disassembly and replacement of pipes 1 and 2.

[0004] In the above-mentioned prior art, during the use of the flue gas denitrification pipeline, the pipeline is connected by means of a spring clamping method. Due to the instability of the spring, the connection stability between the pipelines will be affected, so improvement is needed. Utility Model Content

[0005] The utility model aims to provide a flue gas denitration pipeline for a waste heat boiler, which solves the problem of insufficient pipeline connection stability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flue gas denitrification pipeline of a waste heat boiler, comprising a mounting seat, four evenly distributed mounting holes are opened inside the mounting seat, two symmetrically distributed pipelines are slidably connected inside the upper end of the mounting seat, two ends of the pipelines close to each other are fixedly connected with connecting plates, the two connecting plates are in contact with each other, the connecting plates are slidably connected to the mounting seat, the lower ends of the connecting plates are fixedly connected with support blocks, the support blocks are slidably connected to the mounting seat, the interiors of the two connecting plates are fixedly sleeved with sealing rings, the two sealing rings are in contact with each other, the top of the mounting seat is fixedly connected with a bracket, the connecting plate is provided with a connecting mechanism, and the connecting mechanism is provided with a limiting mechanism.

[0007] Preferably, the connection mechanism includes an inclined groove, an inclined block, a pressure rod, a pressure block, a guide rod, a screw, and a turntable. An inclined groove is provided inside the upper end of the connection disk, an inclined block is slidably connected inside the inclined groove, a pressure rod is fixedly connected to the top of the inclined block, a pressure rod is fixedly connected to the top of the pressure rod, a screw is threadedly connected to the inside of the pressure block, the screw is connected to the bracket via a bearing, and a turntable is fixedly connected to the top of the screw. Pipes can be connected by designing the connection mechanism.

[0008] Preferably, the front and rear ends of the pressing block are fixedly connected with guide rods, and the guide rods are slidably connected to the bracket. By designing the guide rods, the movement of the pressing block can be guided.

[0009] Preferably, the limiting mechanism includes a slot, a slot is provided at the bottom of the turntable, a plug rod is slidably connected inside the slot, the plug rod is slidably connected to the bracket, a magnetic block is fixedly connected to the lower end of the plug rod, a slide rod is fixedly connected to the lower end of the magnetic block, the magnetic block and the slide rod are both slidably connected to the bracket, a support spring is provided on the outside of the slide rod, and a magnet is fixedly connected inside the bracket and below the magnetic block. By designing a limiting mechanism, the stability of pipeline connection can be improved.

[0010] Preferably, there are multiple slots, and the multiple slots are evenly distributed at the bottom of the rotating disk. By designing multiple slots, the insertion rod can be inserted into the slots at different positions.

[0011] Preferably, one end of the support spring is fixedly connected to the magnetic block, and the other end of the support spring is fixedly connected to the bracket. By designing the support spring, the force of the support spring can act on the magnetic block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model designs the coordinated use of the inclined block and the inclined groove. When the inclined block slides along the inclined groove, the connecting plate can be pushed to move horizontally, so that the two connecting plates can be pressed against each other, thereby achieving the purpose of connecting the pipelines. Compared with the spring clamping method, the connection stability is higher, the shaking and falling off can be avoided, and the connection stability of the pipeline is improved in disguise.

[0014] 2. The utility model can limit the position of the turntable by designing the connection between the plug rod and the slot, thereby limiting the position of the screw rod, preventing the screw rod from rotating due to vibration and causing the plug rod and the slot to loosen, further improving the connection stability between the pipelines, and the plug rod and the slot can be easily separated, making it convenient to operate the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 2 Enlarged view of point B.

[0019] In the figure: 1. mounting seat; 2. mounting hole; 3. pipe; 4. connecting plate; 5. support block; 6. sealing ring; 7. bracket; 8. connecting mechanism; 9. limiting mechanism; 81. inclined groove; 82. inclined block; 83. pressure rod; 84. pressure block; 85. guide rod; 86. screw rod; 87. turntable; 91. slot; 92. insertion rod; 93. magnetic suction block; 94. sliding rod; 95. support spring; 96. magnet. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2 A flue gas denitrification pipeline of a waste heat boiler comprises a mounting seat 1, four evenly distributed mounting holes 2 are opened inside the mounting seat 1, two symmetrically distributed pipes 3 are slidably connected inside the upper end of the mounting seat 1, and the ends of the two pipes 3 close to each other are fixedly connected with connecting plates 4, the two connecting plates 4 are in contact with each other, the connecting plates 4 are slidably connected to the mounting seat 1, and the lower ends of the connecting plates 4 are fixedly connected with supporting blocks 5, the supporting blocks 5 are slidably connected to the mounting seat 1, the insides of the two connecting plates 4 are fixedly sleeved with sealing rings 6, the two sealing rings 6 are in contact with each other, and the top of the mounting seat 1 is fixedly connected with a bracket 7, a connecting mechanism 8 is provided on the connecting plate 4, and a limiting mechanism 9 is provided on the connecting mechanism 8.

[0022] See also Figure 1 , Figure 2 , Figure 3The connection mechanism 8 includes an inclined groove 81, an inclined block 82, a pressure rod 83, a pressure block 84, a guide rod 85, a screw rod 86, and a turntable 87. An inclined groove 81 is provided inside the upper end of the connection disk 4. An inclined block 82 is slidably connected inside the inclined groove 81. A pressure rod 83 is fixedly connected to the top of the inclined block 82. A pressure block 84 is fixedly connected to the top of the pressure rod 83. The front and rear ends of the pressure block 84 are fixedly connected to guide rods 85. The guide rod 85 is slidably connected to the bracket 7. By designing the guide rod 85, the movement of the pressure block 84 can be guided. The inside of the pressure block 84 is connected to a screw rod 86 by threading. The screw rod 86 is connected to the bracket 7 by a bearing. The top of the screw rod 86 is fixedly connected to a turntable 87. By designing the connection mechanism 8, the pipeline 3 can be connected.

[0023] See also Figure 1 , Figure 2 , Figure 4 The limiting mechanism 9 includes a slot 91. A slot 91 is provided at the bottom of the turntable 87. An insert rod 92 is slidably connected inside the slot 91. There are multiple slots 91, and multiple slots 91 are evenly distributed at the bottom of the turntable 87. By designing multiple slots 91, the insert rod 92 can be inserted into the slots 91 at different positions. The insert rod 92 is slidably connected to the bracket 7. The lower end of the insert rod 92 is fixedly connected to a magnetic block 93. The lower end of the magnetic block 93 is fixedly connected to a sliding rod 94. The magnetic block 93 and the sliding rod 94 are both slidably connected to the bracket 7. A supporting spring 95 is provided on the outside of the sliding rod 94. One end of the supporting spring 95 is fixedly connected to the magnetic block 93, and the other end of the supporting spring 95 is fixedly connected to the bracket 7. By designing the supporting spring 95, the force of the supporting spring 95 can act on the magnetic block 93. A magnet 96 is fixedly connected to the inside of the bracket 7 and located below the magnetic block 93. By designing the limiting mechanism 9, the connection stability of the pipeline 3 can be improved.

[0024] The specific implementation process of the utility model is as follows: during use, when the pipe 3 needs to be connected, first place the connecting plate 4 and the pipe 3 in the mounting seat 1, and then rotate the turntable 87, the turntable 87 drives the screw 86 to rotate, the pressure block 84 will make a threaded movement, the pressure block 84 drives the guide rod 85 to slide along the bracket 7, and at the same time the pressure block 84 drives the pressure rod 83 to move downward, the pressure rod 83 drives the inclined block 82 to slide into the inclined groove 81, as the inclined block 82 continues to move downward, the connecting plate 4 can be pushed to move horizontally, and the two connecting plates 4 move in a direction close to each other, so that the two connecting plates 4 can be pressed against each other, so as to achieve the purpose of connecting the pipe 3, compared with the spring clamping method, the connection stability is higher, the shaking and falling off can be avoided, and the connection and use stability of the pipe 3 can be improved in disguise. When the pipe 3 is connected, the magnetic block 93 is pushed up, and the magnetic block 93 is separated from the magnet 96. At the same time, the magnetic block 93 drives the insertion rod 92 to move up, so that the insertion rod 92 is inserted into the slot 91 opened at the bottom of the turntable 87. The turntable 87 can be limited, so that the screw 86 can be limited, and the vibration can be prevented from causing the screw 86 to rotate and causing the insertion rod 92 to loosen from the slot 91, further improving the connection stability between the pipes 3, and the insertion rod 92 can be separated from the slot 91 by pulling down, which is convenient for the operation and use of the turntable 87.

[0025] 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 flue gas denitration pipeline for a waste heat boiler, comprising a mounting seat (1), characterized in that: The mounting seat (1) is provided with four evenly distributed mounting holes (2) inside. Two symmetrically distributed pipes (3) are slidably connected inside the upper end of the mounting seat (1). The ends of the two pipes (3) close to each other are fixedly connected with a connecting plate (4). The two connecting plates (4) are in contact with each other. The connecting plate (4) is slidably connected to the mounting seat (1). The lower end of the connecting plate (4) is fixedly connected with a supporting block (5). The supporting block (5) is slidably connected to the mounting seat (1). The insides of the two connecting plates (4) are fixedly sleeved with sealing rings (6). The two sealing rings (6) are in contact with each other. The top of the mounting seat (1) is fixedly connected with a bracket (7). A connecting mechanism (8) is provided on the connecting plate (4). A limiting mechanism (9) is provided on the connecting mechanism (8).

2. The flue gas denitration pipeline of a waste heat boiler according to claim 1, characterized in that: The connecting mechanism (8) comprises an inclined groove (81), an inclined block (82), a pressure rod (83), a pressure block (84), a guide rod (85), a screw rod (86), and a rotating disk (87); an inclined groove (81) is provided inside the upper end of the connecting disk (4); the inclined block (82) is slidably connected inside the inclined groove (81); the top of the inclined block (82) is fixedly connected to the pressure rod (83); the top of the pressure rod (83) is fixedly connected to the pressure block (84); the inside of the pressure block (84) is connected to the screw rod (86) by means of a thread; the screw rod (86) is connected to the bracket (7) by means of a bearing; the top of the screw rod (86) is fixedly connected to the rotating disk (87).

3. The flue gas denitration pipeline of a waste heat boiler according to claim 2, characterized in that: The front and rear ends of the pressing block (84) are both fixedly connected with guide rods (85), and the guide rods (85) are slidably connected to the bracket (7).

4. The flue gas denitration pipeline of a waste heat boiler according to claim 2, characterized in that: The limiting mechanism (9) comprises a slot (91), a slot (91) is provided at the bottom of the turntable (87), an insert rod (92) is slidably connected inside the slot (91), the insert rod (92) is slidably connected to the bracket (7), a magnetic block (93) is fixedly connected at the lower end of the insert rod (92), a slide rod (94) is fixedly connected at the lower end of the magnetic block (93), the magnetic block (93) and the slide rod (94) are both slidably connected to the bracket (7), a support spring (95) is provided on the outer side of the slide rod (94), and a magnet (96) is fixedly connected inside the bracket (7) and below the magnetic block (93).

5. The flue gas denitration pipeline of a waste heat boiler according to claim 4, characterized in that: There are a plurality of slots (91), and the plurality of slots (91) are evenly distributed at the bottom of the rotating disk (87).

6. The flue gas denitration pipeline of a waste heat boiler according to claim 4, characterized in that: One end of the support spring (95) is fixedly connected to the magnetic attraction block (93), and the other end of the support spring (95) is fixedly connected to the bracket (7).

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