Lightweight low-resistance sealing flue gas baffle door

Abstract

The utility model discloses a light-weight low-resistance sealed flue gas baffle door, and relates to the technical field of flue gas baffle doors, the flue gas baffle door comprises a door frame and a motor arranged on one side of the door frame, and further comprises a door plate assembly, a sealing assembly and a door plate linkage assembly, the door frame is made of aluminum alloy, a groove is formed in the outer side face of the door frame, and the sealing assembly is arranged in the groove. And the groove is provided with a through hole. According to the utility model, the door plate which is made of aluminum alloy and has a honeycomb-shaped reinforcing rib structure is adopted, so that the weight of the baffle door is effectively reduced, the installation and maintenance difficulty is reduced, meanwhile, the requirement on a supporting structure is reduced, and the cost is reduced; the streamline guide plate arranged in the device can guide smoke to flow stably, turbulent flow and vortex are reduced, smoke resistance is reduced, the operation efficiency of the system is improved, and energy consumption of equipment such as a fan is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flue gas baffle door, concretely to a light weight low resistance sealing flue gas baffle door. BACKGROUND

[0002] In the industry of thermal power generation, steel refining, chemical industry, the flue gas treatment system is an indispensable part. The flue gas baffle door as the key equipment in the flue gas treatment system is used for cutting off or adjusting the circulation path of flue gas. The door plate of the traditional flue gas baffle door usually adopts thick and heavy metal material in actual application, which leads to large overall weight, and the installation and maintenance are inconvenient and the power resource consumption is large. Moreover, when the flue gas flows through the baffle door, due to the unreasonable structure design, the resistance is large, the energy consumption of the fan and other equipment is increased, and the system operation efficiency is reduced. UTILITY MODEL CONTENT

[0003] The utility model provides a light weight low resistance sealing flue gas baffle door has the advantages of light weight and small flue gas resistance to solve the problem that the existing equipment weight is large and leads to large power resource consumption and the problem that the wind resistance is large and leads to low operation efficiency.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a light weight low resistance sealing flue gas baffle door, including door frame and the motor of being arranged in the one side of door frame, still including door plate assembly, sealing assembly and door plate linkage assembly, wherein:

[0005] The door frame is of aluminum alloy material, the outer side of door frame is equipped with recess, recess is equipped with through hole;

[0006] The door plate assembly includes the door plate that is symmetrically installed in the inner side of door frame, the door plate includes main door plate and auxiliary door plate, the auxiliary door plate is welded with extension plate on left and right ends, two extension plates are diagonally symmetric, the main door plate is equipped with sealing plate near one end of auxiliary door plate.

[0007] The door plate is of aluminum alloy material and is internally hollowed out and equipped with reinforcing rib, the reinforcing rib is horizontally arranged and is of honeycomb structure, the reinforcing rib is longitudinally welded with flow guide plate in each honeycomb opening, the flow guide plate is of streamline structure, and the inner side of door frame is welded with sealing plate.

[0008] As a preferred technical scheme of the utility model, the sealing plate is equipped with airtight fitting groove, and the sealing plate and the extension plate are symmetrically arranged up and down.

[0009] As a preferred technical scheme of the utility model, the sealing assembly includes sealing rubber strip, the sealing rubber strip is of silicone rubber material, and the sealing rubber strip is attached to one side of the extension plate.

[0010] As a preferred technical scheme of the utility model, the sealing rubber strip is attached with a reinforcing rubber strip on one side, and the reinforcing rubber strip is made of expanded graphite material.

[0011] As a preferred technical scheme of the utility model, the reinforcing rubber strip is embedded into the airtight embedded groove, and the door plate is welded with a rotating shaft at the upper and lower ends.

[0012] As a preferred technical scheme of the utility model, the motor is fixed on the outer frame through screws, the outer frame is welded on the outer side of the door frame, and the door plate linkage assembly comprises a linkage shaft.

[0013] As a preferred technical scheme of the utility model, the linkage shaft is connected with linkage plates at both ends and rotates in cooperation, and the linkage plates are welded with rotating shafts at the other ends.

[0014] Compared with the prior art, the utility model provides a light low-resistance sealing flue gas baffle door, which has the following beneficial effects: the door plate made of aluminum alloy material and honeycomb-shaped reinforcing rib structure effectively reduces the weight of the baffle door, reduces the installation and maintenance difficulty, reduces the requirement for the supporting structure, and reduces the cost; the streamline guide plate arranged in the device can guide the stable flow of flue gas, reduce turbulence and vortex, reduce flue gas resistance, improve the operation efficiency of the system, and reduce the energy consumption of the fan and other equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a door frame structure view of the utility model;

[0017] Figure 3 It is a door plate linkage assembly structure schematic view of the utility model;

[0018] Figure 4 It is a door plate assembly structure view of the utility model;

[0019] Figure 5 It is a sealing assembly structure schematic view of the utility model;

[0020] Figure 6 It is a guide plate structure view of the utility model.

[0021] In the drawing: 1, door frame; 11, groove; 12, through hole; 2, motor; 3, door plate assembly; 34, door plate; 341, main door plate; 342, auxiliary door plate; 31, extension plate; 13, sealing plate; 32, reinforcing rib; 33, guide plate; 4, sealing assembly; 5, door plate linkage assembly; 21, outer frame; 51, linkage shaft; 52, linkage plate; 35, rotating shaft; 41, sealing rubber strip; 42, reinforcing rubber strip; 131, airtight embedded groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0023] Please refer to Figures 1-6 The utility model discloses a light low-resistance sealed flue gas baffle door, including door frame 1 and the motor 2 of being established at one side of door frame 1, still including door plate assembly 3, sealing assembly 4 and door plate linkage assembly 5, wherein:

[0024] Door frame 1 is aluminum alloy material, and the outer side of door frame 1 is provided with a groove 11, and the groove 11 is provided with a through hole 12.

[0025] Please refer to the attached Figure 4 Door plate assembly 3 includes door plate 34 that is symmetrically installed on the inner side of door frame 1, and the door plate 34 includes main door plate 341 and auxiliary door plate 342, and the auxiliary door plate 342 is welded with extension plate 31 at the left and right ends, the two extension plates 31 are diagonally symmetrically arranged, the main door plate 341 is provided with sealing plate 13 close to one end of the auxiliary door plate 342, specifically, when the main door plate 341 is close to the auxiliary door plate 342, the sealing function is completed by the abutment of the sealing plate 13 and the extension 31.

[0026] Please refer to the attached Figure 6 The door plate 34 is aluminum alloy material and is internally provided with reinforcing ribs 32 in a honeycomb shape, the reinforcing ribs 32 are horizontally arranged and have a honeycomb structure, and a guide plate 33 is longitudinally welded in each honeycomb opening of the reinforcing ribs 32, the guide plate 33 has a streamline structure, and the sealing plate 13 is welded on the inner side of the door frame 1, specifically, the aluminum alloy material and the internal honeycomb structure of the door plate 34 greatly reduce the weight of the door plate 34.

[0027] The sealing plate 13 is provided with a sealing fitting groove 131, and the sealing plate 13 and the extension plate 31 are symmetrically arranged upward and downward.

[0028] In the embodiment, the honeycomb hollow structure of the reinforcing ribs 32 has good mechanical properties, significantly improves the strength and rigidity of the door plate, when the flue gas passes through the door plate 34, the guide plate 33 has a streamline structure, can guide the smooth flow of the flue gas, reduce the turbulence and vortex of the flue gas, thereby reducing the resistance of the flue gas. Embodiment two

[0029] Based on the above embodiment 1, please refer to the attached Figure 2 , Figure 3 andFigure 5 The sealing assembly 4 comprises a sealing rubber strip 41 made of silicone rubber, which is attached to one side of the extension plate 31.

[0030] The sealing rubber strip 41 is attached to one side of a reinforcing rubber strip 42 made of expanded graphite.

[0031] The reinforcing rubber strip 42 is embedded in the sealing embedding groove 131, and the door plate 34 is welded with a rotating shaft 35 at the upper and lower ends.

[0032] The motor 2 is fixed to the outer frame 21 by screws, and the outer frame 21 is welded to the outside of the door frame 1.

[0033] The linkage shaft 51 is connected to the linkage plate 52 at both ends and rotates in cooperation, and the linkage plate 52 is welded to the rotating shaft 35 at the other end.

[0034] In this embodiment, the driving motor 2 drives the rotating shaft 35 to rotate, and the rotating shaft 35 drives the linkage shaft 51 to displace through the linkage plate 52, so that the secondary door plate 342 and the primary door plate 341 rotate synchronously to realize the opening and closing of the baffle door.

[0035] The working principle and use process of the utility model are as follows: first, the door frame 1 is installed on the flue gas pipeline through the through hole 12, when it is needed to cut off the flue gas flow, the driving motor 2 drives the rotating shaft 35 to rotate clockwise, the rotating shaft 35 drives the primary door plate 341 to rotate clockwise, and the rotating shaft 35 drives the linkage shaft 51 to displace through the linkage plate 52, so as to drive the linkage plate 52 on the other side to drive the rotating shaft 35 to rotate clockwise, so that the secondary door plate 342 and the primary door plate 341 rotate synchronously.

[0036] When the primary door plate 341 and the secondary door plate 342 are closed, the sealing plate 13 on the right side of the primary door plate 341 is embedded and sealed with the reinforcing rubber strip 42 through the sealing embedding groove 131, and the sealing effect is good.

[0037] The door frame 1 and the door plate 34 are both made of aluminum alloy material, have the characteristics of small density and high strength, and compared with traditional steel material, can effectively reduce the weight of the door plate, and the reinforcing rib 32 inside the door plate 34 adopts a honeycomb hollow structure, further reducing the weight of the door plate material, and the honeycomb structure has good mechanical properties, significantly improving the strength and rigidity of the door plate, ensuring that the door plate will not deform when bearing the flue gas pressure;

[0038] When it is necessary to open the baffle door to make the flue gas flow, the flue gas will pass through the hollow holes of the honeycomb reinforcing rib 32 when passing through the door plate 34, and the guide plate 33 in the hollow hole is a streamline structure and is adapted to the direction of the flue gas flow, can guide the flue gas to flow smoothly, reduce the turbulence and vortex of the flue gas, thereby reducing the resistance of the flue gas, realizing the low resistance effect of the flue gas baffle door.

Claims

1. A lightweight, low-resistance, sealed flue gas damper door, comprising a door frame (1) and a motor (2) disposed on one side of the door frame (1), characterized in that, It also includes a door panel assembly (3), a sealing assembly (4), and a door panel linkage assembly (5), wherein: The door frame (1) is made of aluminum alloy. The outer side of the door frame (1) is provided with a groove (11) and the groove (11) is provided with a through hole (12). The door panel assembly (3) includes door panels (34) symmetrically installed inside the door frame (1). The door panel (34) includes a main door panel (341) and a secondary door panel (342). Extension plates (31) are welded to the left and right ends of the secondary door panel (342). The two extension plates (31) are arranged obliquely symmetrically. A sealing plate (13) is provided at the end of the main door panel (341) near the secondary door panel (342). The door panel (34) is made of aluminum alloy and has hollowed-out reinforcing ribs (32) inside. The reinforcing ribs (32) are arranged horizontally and have a honeycomb structure. Each honeycomb opening of the reinforcing ribs (32) is longitudinally welded with a guide plate (33). The guide plate (33) has a streamlined structure. The inner side of the door frame (1) is welded with a sealing plate (13).

2. The lightweight, low-resistance sealing flue gas damper door according to claim 1, characterized in that: The sealing plate (13) is provided with a sealed fitting groove (131), and the sealing plate (13) and the extension plate (31) are arranged symmetrically on the top and bottom.

3. A lightweight, low-resistance, sealed flue gas damper door according to claim 2, characterized in that: The sealing assembly (4) includes a sealing strip (41) made of silicone rubber, which is attached to one side of the extension plate (31).

4. A lightweight, low-resistance, sealed flue gas damper door according to claim 3, characterized in that: A reinforcing strip (42) is attached to one side of the sealing strip (41), and the reinforcing strip (42) is made of expanded graphite.

5. A lightweight, low-resistance, sealed flue gas damper door according to claim 4, characterized in that: The reinforcing strip (42) is fitted into the sealed fitting groove (131), and the door panel (34) is welded with a rotating shaft (35) at the upper and lower ends.

6. A lightweight, low-resistance, sealed flue gas damper door according to claim 1, characterized in that: The motor (2) is fixed to the outer frame (21) by screws. The outer frame (21) is welded to the outside of the door frame (1). The door panel linkage assembly (5) includes a linkage shaft (51).

7. A lightweight, low-resistance, sealed flue gas damper door according to claim 6, characterized in that: Both ends of the linkage shaft (51) are connected to linkage plates (52) and rotate in cooperation. The other end of the linkage plate (52) is welded to a rotating shaft (35).

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