Multipurpose sealing air device

Abstract

The utility model discloses a multipurpose sealing air device, which belongs to the technical field of boilers and comprises an inclined coal drop pipe, a vertical coal drop pipe is fixed at the upper end of the inclined coal drop pipe, an observation pipe is fixed at one end of the inclined coal drop pipe, and an observation window is fixed at the upper end of the observation pipe. When coal enters the inclined coal dropping pipe through the vertical coal dropping pipe, the coal makes contact with the buffering plate, the buffering plate pushes the sliding rod to slide in the inclined coal dropping pipe, the T-shaped block at one end of the sliding plate at the lower end of the sliding rod moves in the sliding groove of the fixing frame, the sliding plate moves to compress the damping rod and the spring, and the buffering plate can be buffered through the damping rod and the spring; and by arranging the buffering assembly, the coal falling into the inclined coal falling pipe can be buffered and damped, and the situation that the service life of the inclined coal falling pipe is shortened due to the fact that the coal directly collides with the inner wall of the inclined coal falling pipe is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of boiler, concretely relates to a multipurpose sealing air device. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, mainly used to heat water to the required high-temperature steam or hot water state for various industrial processes, power generation or residential heating use.

[0003] Chinese patent application No.2021226418300 discloses a coal falling pipe sealing air device.The coal falling pipe sealing air device includes an inclined coal falling pipe, a vertical coal falling pipe and an air pipe.The vertical coal falling pipe is fixedly connected to the upper side of one end of the inclined coal falling pipe and communicates with the inclined coal falling pipe.The end of the inclined coal falling pipe close to the vertical coal falling pipe is sealed.The air pipe includes a small-diameter section, a large-diameter section coaxial with the small-diameter section and a transition section connected between the large-diameter section and the small-diameter section.The small-diameter section is fixedly connected to the sealed end of the inclined coal falling pipe and one end of the small-diameter section extends into the position where the vertical coal falling pipe communicates with the inclined coal falling pipe.The large-diameter section is used to connect with the external air duct.Compared with the prior art, the coal falling pipe sealing air device avoids high-temperature ash returning to the coal falling pipe and has good sealing effect.

[0004] The above-mentioned disclosed patent cannot buffer and damp the coal falling into the inclined coal falling pipe, and the coal directly impacts the inner wall of the inclined coal falling pipe, which affects the service life of the inclined coal falling pipe. At the same time, the original device sets an observation window on the observation pipe, and when no observation work is performed, the observation window cannot be sealed and protected, and the surface of the observation window is easy to accumulate dust. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the utility model provides a multipurpose sealing air device, which has the characteristics of buffering and damping the coal falling into the inclined coal falling pipe.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multipurpose sealing air device, which includes an inclined coal falling pipe, a vertical coal falling pipe fixed to the upper end of the inclined coal falling pipe, an observation pipe fixed to one end of the inclined coal falling pipe, an observation window fixed to the upper end of the observation pipe, a large-diameter air pipe provided on one side of the observation pipe, a small-diameter air pipe fixed to one end of the large-diameter air pipe, a control valve provided in the large-diameter air pipe, a protection assembly provided on the upper end of the observation pipe, and a buffer assembly provided at the position corresponding to the vertical coal falling pipe inside the inclined coal falling pipe.

[0007] Preferably, the buffer assembly comprises a fixed frame, a buffer plate, a sliding plate, a sliding rod, a T-shaped block, a sliding groove, a damping rod and a spring, wherein the buffer plate is arranged at a position corresponding to the vertical coal falling pipe in the inclined coal falling pipe, the lower end of the buffer plate is fixed with the sliding rod, the lower end of the sliding rod is fixed with the sliding plate, the lower end of the inclined coal falling pipe is fixed with the fixed frame at a position corresponding to the sliding plate, one end of the sliding plate is fixed with the T-shaped block, the fixed frame is provided with the sliding groove corresponding to the T-shaped block, the lower end of the sliding plate is fixed with the damping rod, and the spring is arranged outside the damping rod between the sliding plate and the fixed frame.

[0008] Preferably, the lower end of the inclined coal falling pipe is provided with a sliding hole corresponding to the sliding rod, and the side edge of the sliding rod is in close contact with the inner wall of the sliding hole; the sliding rod and the buffer plate are welded by spot welding, and the sliding rod and the sliding plate are also welded by spot welding.

[0009] Preferably, when the lower end of the T-shaped block is in contact with the lower end of the sliding groove, the lower end of the buffer plate will not hit the inner wall of the inclined coal falling pipe; the T-shaped block and the sliding plate are welded by pressure welding.

[0010] Preferably, the protection assembly comprises a baffle, a magnetic block one, a pin shaft and a magnetic block two, wherein the baffle is arranged on one side of the upper end of the observation tube, the baffle and the observation tube are connected through the pin shaft, one side of the lower end of the baffle is provided with the magnetic block one, and the observation tube is provided with the magnetic block two at a position corresponding to the magnetic block one.

[0011] Preferably, the pin shaft and the observation tube are connected through damping rotation, and the magnetic block one and the baffle and the magnetic block two and the observation tube are bonded by glue.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The buffer assembly is arranged, when the coal material enters the inclined coal falling pipe through the vertical coal falling pipe, the coal material contacts the buffer plate, the buffer plate pushes the sliding rod to slide in the inclined coal falling pipe, the T-shaped block at one end of the sliding plate of the lower end of the sliding rod moves in the sliding groove of the fixed frame, the sliding plate moves to compress the damping rod and the spring, the damping rod and the spring can be used for buffering the buffer plate, so as to reach the effect that the coal material falling into the inclined coal falling pipe is buffered and damped, the coal material falling into the inclined coal falling pipe can be buffered and damped through the arrangement of the buffer assembly, the coal material directly hits the inner wall of the inclined coal falling pipe is avoided, and the service life of the inclined coal falling pipe is prolonged.

[0014] 2、The protection assembly is arranged, when the observation work is not needed through the observation window, the baffle is actuated, the baffle rotates on the observation tube through the pin shaft, the magnetic block one at one end of the baffle is adsorbed with the magnetic block two on the observation tube after the baffle rotates to the upper end of the observation tube, the effect that the baffle and the observation tube are adsorbed and fixed is reached, the baffle can seal and protect the observation window, and the observation window surface is prevented from being covered with dust when the observation window is not used. DRAWINGS

[0015] Figure 1 isometric view of the present utility model;

[0016] Figure 2 isometric view of the present utility model;

[0017] Figure 3 isometric view of the present utility model;

[0018] Figure 4 isometric view of the present utility model;

[0019] In the figure: 1, inclined coal falling pipe; 2, buffer assembly; 21, fixing frame; 22, buffer plate; 23, sliding plate; 24, sliding rod; 25, T-shaped block; 26, sliding groove; 27, damping rod; 28, spring; 3, protection assembly; 31, baffle; 32, magnetic block one; 33, pin shaft; 34, magnetic block two; 4, vertical coal falling pipe; 5, observation tube; 6, control valve; 7, large-diameter air pipe; 8, observation window; 9, small-diameter air pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 The present utility model provides the following technical scheme: a multipurpose sealed air device, which comprises an inclined coal falling pipe 1, a vertical coal falling pipe 4 fixed to the upper end of the inclined coal falling pipe 1, an observation tube 5 fixed to one end of the inclined coal falling pipe 1, an observation window 8 fixed to the upper end of the observation tube 5, a large-diameter air pipe 7 arranged on one side of the observation tube 5, a small-diameter air pipe 9 fixed to one end of the large-diameter air pipe 7, a control valve 6 arranged in the large-diameter air pipe 7, a protection assembly 3 arranged at the upper end of the observation tube 5, and a buffer assembly 2 arranged at a position corresponding to the vertical coal falling pipe 4 in the inclined coal falling pipe 1.

[0023] Specifically, the buffer assembly 2 comprises a fixing frame 21, a buffer plate 22, a sliding plate 23, a sliding rod 24, a T-shaped block 25, a sliding groove 26, a damping rod 27 and a spring 28, wherein the buffer plate 22 is arranged at a position corresponding to the vertical coal falling pipe 4 in the inclined coal falling pipe 1, the sliding rod 24 is fixed to the lower end of the buffer plate 22, the sliding plate 23 is fixed to the lower end of the sliding rod 24, the fixing frame 21 is fixed to a position corresponding to the sliding plate 23 at the lower end of the inclined coal falling pipe 1, the T-shaped block 25 is fixed to one end of the sliding plate 23, the sliding groove 26 corresponding to the T-shaped block 25 is arranged in the fixing frame 21, the damping rod 27 is fixed to the lower end of the sliding plate 23, and the spring 28 is sleeved outside the damping rod 27 between the sliding plate 23 and the fixing frame 21.

[0024] By adopting the above technical scheme, when the coal enters the inclined coal falling pipe 1 through the vertical coal falling pipe 4, the coal contacts the buffer plate 22, the buffer plate 22 pushes the sliding rod 24 to slide in the inclined coal falling pipe 1, the T-shaped block 25 at one end of the sliding plate 23 at the lower end of the sliding rod 24 moves in the sliding groove 26 of the fixing frame 21, and the sliding plate 23 moves to compress the damping rod 27 and the spring 28. The damping rod 27 and the spring 28 can buffer the buffer plate 22, so as to achieve the effect of buffering and damping the coal falling into the inclined coal falling pipe 1. By arranging the buffer assembly 2, the coal falling into the inclined coal falling pipe 1 can be buffered and damped, so as to avoid the coal directly impacting the inner wall of the inclined coal falling pipe 1, thereby prolonging the service life of the inclined coal falling pipe 1.

[0025] Specifically, the lower end of the inclined coal falling pipe 1 is provided with a sliding hole corresponding to the sliding rod 24, and the side edge of the sliding rod 24 is tightly attached to the inner wall of the sliding hole. The sliding rod 24 and the buffer plate 22 are welded by spot welding, and the sliding rod 24 and the sliding plate 23 are also welded by spot welding.

[0026] By adopting the above technical scheme, the sliding rod 24 can slide in the inclined coal falling pipe 1, and the spot welding makes the sliding rod 24 and the buffer plate 22 more firm, and the spot welding also makes the sliding rod 24 and the sliding plate 23 more firm.

[0027] Specifically, when the lower end of the buffer plate 22 does not impact the inner wall of the inclined coal falling pipe 1 when the lower end of the T-shaped block 25 contacts the lower end of the sliding groove 26, the T-shaped block 25 and the sliding plate 23 are welded by pressure welding.

[0028] By adopting the above technical scheme, the lower end of the buffer plate 22 does not impact the inner wall of the inclined coal falling pipe 1, and the pressure welding makes the T-shaped block 25 and the sliding plate 23 more firm.

[0029] When the device is used, the device is installed in a suitable position, coal enters the inclined coal chute 1 through the vertical coal chute 4, the external air duct is connected with the large-diameter air duct 7, the large-diameter air duct 7 blows air into the inclined coal chute 1 through the small-diameter air duct 9, so that the air on the coal feeder cannot flow to the low-pressure area, and the high-temperature soot is prevented from being reversed into the coal chute. The inside of the inclined coal chute 1 can be observed through the observation window 8 on the observation tube 5. When the coal enters the inclined coal chute 1 through the vertical coal chute 4, the coal contacts the buffer plate 22, the buffer plate 22 pushes the sliding rod 24 to slide in the inclined coal chute 1, the T-shaped block 25 at one end of the sliding plate 23 at the lower end of the sliding rod 24 moves in the sliding groove 26 of the fixed frame 21, the sliding plate 23 moves to compress the damping rod 27 and the spring 28, and the damping rod 27 and the spring 28 can buffer the buffer plate 22, so as to achieve the effect of buffering and damping the coal falling into the inclined coal chute 1. The coal falling into the inclined coal chute 1 can be buffered and damped by the buffer assembly 2, so as to avoid the coal directly impacting the inner wall of the inclined coal chute 1 and reduce the service life of the inclined coal chute 1.

[0030] Embodiment 2

[0031] The difference between the embodiment and the embodiment 1 is that the protection assembly 3 includes a baffle 31, a magnetic block one 32, a pin shaft 33 and a magnetic block two 34. The baffle 31 is arranged on one side of the upper end of the observation tube 5, the baffle 31 and the observation tube 5 are connected through the pin shaft 33, the magnetic block one 32 is arranged on one side of the lower end of the baffle 31, and the magnetic block two 34 is arranged at a position corresponding to the magnetic block one 32 on the upper end of the observation tube 5.

[0032] When the observation work is not needed through the observation window 8, the baffle 31 is rotated on the observation tube 5 through the pin shaft 33, the magnetic block one 32 at one end of the baffle 31 is adsorbed to the magnetic block two 34 on the observation tube 5 after the baffle 31 is rotated to the upper end of the observation tube 5, the baffle 31 can be adsorbed and fixed between the baffle 31 and the observation tube 5, the baffle 31 can seal and protect the observation window 8, and the observation window 8 is prevented from being covered with dust when the observation window 8 is not used.

[0033] Specifically, the pin shaft 33 and the observation tube 5 are connected through damping rotation, and the magnetic block one 32 and the baffle 31 and the magnetic block two 34 and the observation tube 5 are all bonded by glue.

[0034] Through the above technical scheme, the baffle 31 is not easy to self-rotate through the pin shaft 33, and the bonding by glue makes the magnetic block one 32 and the baffle 31 and the magnetic block two 34 and the observation tube 5 more firm.

[0035] When the embodiment is used, by setting the protection assembly 3, when observation work is not needed through the observation window 8, the baffle 31 is actuated, the baffle 31 is rotated on the observation tube 5 through the pin shaft 33, the baffle 31 is rotated to the upper end of the observation tube 5, the magnetic block one 32 at one end of the baffle 31 is adsorbed with the magnetic block two 34 on the observation tube 5, the effect of adsorbing and fixing between the baffle 31 and the observation tube 5 is achieved, the baffle 31 can seal and protect the observation window 8, and dust on the surface of the observation window 8 is avoided when the observation window 8 is not used.

[0036] The damping rod 27 in the utility model is a prior art, and the selected model is SQS.

[0037] The structures and working principles of the inclined coal falling pipe 1, the vertical coal falling pipe 4, the observation tube 5, the control valve 6, the large-diameter air pipe 7, the observation window 8 and the small-diameter air pipe 9 in the utility model have been disclosed in a coal falling pipe sealing air device with Chinese patent application No. 2021226418300, and the working principle is that coal is fed into the inclined coal falling pipe 1 through the vertical coal falling pipe 4, the external air duct is connected with the large-diameter air pipe 7, air is blown into the inclined coal falling pipe 1 through the small-diameter air pipe 9, so that air on the coal feeder cannot flow to the low-pressure area, high-temperature soot is prevented from flowing into the coal falling pipe, and the inside of the inclined coal falling pipe 1 can be observed through the observation window 8 on the observation tube 5.

[0038] The working principle and use process of the utility model: when using the multipurpose sealing air device, install the device in a suitable position, the coal passes through the vertical coal falling pipe 4 and enters the inclined coal falling pipe 1, the external air duct is connected with the large-diameter air pipe 7, the large-diameter air pipe 7 blows air into the inclined coal falling pipe 1 through the small-diameter air pipe 9, so that the air on the coal feeder does not flow to the low-pressure area, and the high-temperature soot is prevented from being reversed into the coal falling pipe, the inside of the inclined coal falling pipe 1 can be observed through the observation window 8 on the observation pipe 5, when the coal passes through the vertical coal falling pipe 4 and enters the inclined coal falling pipe 1, the coal contacts the buffer plate 22, the buffer plate 22 pushes the sliding rod 24 to slide in the inclined coal falling pipe 1, the T-shaped block 25 at one end of the lower end sliding plate 23 of the sliding rod 24 moves in the sliding groove 26 of the fixed frame 21, the sliding plate 23 moves to compress the damping rod 27 and the spring 28, the damping rod 27 and the spring 28 can buffer the buffer plate 22, so that the coal falling into the inclined coal falling pipe 1 is buffered and damped, the coal directly impacting the inner wall of the inclined coal falling pipe 1 is avoided, and the service life of the inclined coal falling pipe 1 is prolonged, the protection assembly 3 is arranged, when not needing to observe the work through the observation window 8, the baffle 31 is actuated, the baffle 31 rotates on the observation pipe 5 through the pin shaft 33, after the baffle 31 rotates to the upper end of the observation pipe 5, the magnetic block one 32 at one end of the baffle 31 is adsorbed with the magnetic block two 34 on the observation pipe 5, the effect that the baffle 31 and the observation pipe 5 are adsorbed and fixed is achieved, the baffle 31 can seal and protect the observation window 8, and the surface dust of the observation window 8 is avoided when the observation window 8 is not used.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-purpose sealing air device, comprising an inclined coal chuting pipe (1), wherein a vertical coal chuting pipe (4) is fixed to the upper end of the inclined coal chuting pipe (1), an observation pipe (5) is fixed to one end of the inclined coal chuting pipe (1), an observation window (8) is fixed to the upper end of the observation pipe (5), a large-diameter air duct (7) is provided on one side of the observation pipe (5), a small-diameter air duct (9) is fixed to one end of the large-diameter air duct (7), and a control valve (6) is provided in the large-diameter air duct (7), characterized in that: A protective component (3) is provided at the upper end of the observation tube (5), and a buffer component (2) is provided inside the inclined coal drop pipe (1) at the position corresponding to the vertical coal drop pipe (4).

2. The multi-purpose sealing air device according to claim 1, characterized in that: The buffer assembly (2) includes a fixed frame (21), a buffer plate (22), a sliding plate (23), a sliding rod (24), a T-shaped block (25), a chute (26), a damping rod (27), and a spring (28). The buffer plate (22) is installed inside the inclined coal drop pipe (1) at a position corresponding to the vertical coal drop pipe (4). The lower end of the buffer plate (22) is fixed with a sliding rod (24). The lower end of the sliding rod (24) is fixed with a sliding plate (23). The lower end of the inclined coal drop pipe (1) is fixed with a fixed frame (21) at a position corresponding to the sliding plate (23). One end of the sliding plate (23) is fixed with a T-shaped block (25). The fixed frame (21) is provided with a chute (26) corresponding to the T-shaped block (25). The lower end of the sliding plate (23) is fixed with a damping rod (27). A spring (28) is sleeved on the outside of the damping rod (27) between the sliding plate (23) and the fixed frame (21).

3. The multi-purpose sealing air device according to claim 2, characterized in that: The lower end of the inclined coal drop pipe (1) is provided with a sliding hole corresponding to the slide rod (24), and the side of the slide rod (24) is in close contact with the inner wall of the sliding hole. The slide rod (24) and the buffer plate (22) and the slide rod (24) and the sliding plate (23) are all welded by spot welding.

4. A multi-purpose sealing air device according to claim 2, characterized in that: When the lower end of the T-block (25) contacts the lower end of the chute (26), the lower end of the buffer plate (22) will not hit the inner wall of the inclined coal drop pipe (1). The T-block (25) and the slide plate (23) are welded together by pressure welding.

5. A multi-purpose sealing air device according to claim 1, characterized in that: The protective component (3) includes a baffle (31), a first magnetic block (32), a pin (33), and a second magnetic block (34). The upper end of the observation tube (5) is connected to the baffle (31) by the pin (33). The lower end of the baffle (31) is provided with a first magnetic block (32), and the upper end of the observation tube (5) is provided with a second magnetic block (34) at the position corresponding to the first magnetic block (32).

6. A multi-purpose sealing air device according to claim 5, characterized in that: The pin (33) is connected to the observation tube (5) by damping rotation, and the magnetic block one (32) is bonded to the baffle (31) and the magnetic block two (34) is bonded to the observation tube (5) by glue.

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