Flue gas baffle door capable of preventing flue gas corrosion
By designing the splicing structure and cooling mechanism, the problems of thermal deformation and poor sealing of the flue gas damper were solved, achieving efficient maintenance and reducing replacement costs.
Patent Information
- Application Number
- CN202423239658.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-27
AI Technical Summary
After prolonged exposure to heat, flue gas dampers are prone to thermal deformation, resulting in poor sealing. They need to be completely removed and replaced, which is troublesome and costly.
It adopts a splicing structure and anti-scalding plate design, combined with a cooling mechanism to prevent smoke corrosion. It is also installed by splicing, so only the damaged parts need to be replaced, avoiding complete disassembly.
It extends the service life of the flue gas damper, reduces maintenance costs, avoids problems such as thermal deformation and poor sealing, and improves efficiency.
Smart Images

Figure CN223826273U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of baffle door, specifically, relate to a kind of flue gas baffle door of preventing flue gas corrosion. BACKGROUND
[0002] Flue gas baffle door is a kind of equipment for isolating and closing flue in industrial exhaust system, its core principle is to provide efficient sealing performance, prevent flue gas leakage, in industrial exhaust system, flue gas baffle door can control the flow path of flue gas, effectively block harmful substances in flue gas, reduce the corrosion and abrasion to equipment and pipeline, prolong the service life of equipment The working principle of baffle door mainly divides into opening and closing two processes, in opening process, first, door body is slid from guide rail, baffle door is completely opened, in closing process, double louver will retract, then door body will slide from guide rail, until completely closed, by this way, the isolation and closing of flue can be realized.
[0003] But flue gas baffle door is corroded and heated by flue gas for a long time, the plate close to flue gas side in the interior is easily softened, so heat deformation occurs, continuous long time flue gas high temperature can easily lead to flue gas baffle door deformation, airtight is not strict, will affect the service life of flue gas baffle door, when airtight is not strict, in order to normal use, it needs to be disassembled and replaced flue gas baffle door, and the volume of airtight baffle door is larger and heavier, so it is more troublesome when replacing, and the cost of replacement is also very high, but if not replacing, it will affect environment and work effect. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of flue gas baffle door of preventing flue gas corrosion, solve the phenomenon that heat deformation will occur when flue gas baffle door is continuously heated in prior art, the whole needs to be disassembled and replaced for maintenance, leading to the problem of replacing troublesome affecting work effect.
[0005] The technical scheme of the utility model is as follows:
[0006] A kind of flue gas baffle door of preventing flue gas corrosion, including frame, the frame is semicircular ring structure, two the straight face of the semicircular ring is detachably connected together in opposition, further comprising:
[0007] Main splicing structure, the main splicing structure is arranged in one of the frame, for splicing to form flue gas baffle door;
[0008] Sub splicing structure, the sub splicing structure is arranged at the bottom of the main splicing structure, for splicing with the main splicing structure to form flue gas baffle door;
[0009] Anti-scald board, the main splicing structure and the sub splicing structure are provided with the anti-scald board, for preventing scalding to flue gas;
[0010] Cooling mechanism, the outer wall of the main splicing structure and the secondary splicing structure is provided with the cooling mechanism, for cooling the smoke baffle door.
[0011] Preferably, the main splicing structure comprises:
[0012] The outer wall of the inner blade one is fixedly connected to the inner wall of the frame, and two fixed holes one are formed in the end of the inner blade one away from the outer wall of the frame;
[0013] The outer wall of the outer blade one is fixedly connected to the inner wall of the frame, and two fixed rods one are fixedly connected to the end of the outer blade one away from the outer wall of the frame, and the two fixed rods one are inserted into the fixed holes one;
[0014] The bottom of the inner blade one and the outer blade one is provided with a mounting block.
[0015] Preferably, the secondary splicing structure comprises:
[0016] The outer wall of the inner blade two is fixedly connected to the inner wall of the frame away from the inner blade one, and two fixed holes two are formed in the end of the inner blade two away from the outer wall of the frame;
[0017] The outer wall of the outer blade two is also fixedly connected to the inner wall of the frame away from the outer blade two, and two fixed rods two are fixedly connected to the end of the outer blade two away from the outer wall of the frame, and the two fixed rods two are inserted into the fixed holes one;
[0018] The end of the inner blade two and the outer blade two towards the inner blade one is provided with a mounting groove, and the mounting block is inserted into the mounting groove.
[0019] Preferably, the cooling mechanism comprises:
[0020] Four fixed columns are fixedly connected to the side of the outer blade one and the outer blade two away from the inner blade one;
[0021] The other end of the fixed column is fixedly connected with the connecting column;
[0022] A cooling box is fixedly connected to the connecting column;
[0023] A motor is installed at the end of the cooling box away from the connecting column, and the output end of the motor extends into the inside of the cooling box;
[0024] A fan is fixedly connected to the output end of the motor.
[0025] Preferably, the inner blade one and the inner blade two are provided with sealing grooves at the ends away from the outer blade one, and the outer blade one and the outer blade two are fixedly connected with sealing strips at the ends towards the inner blade one, and the sealing strips are inserted into the sealing grooves.
[0026] Preferably, the inner walls of the inner blade one, the inner blade two, the outer blade one and the outer blade two are provided with a plurality of circular grooves, and one end of the anti-scald plate is fixedly connected with a plurality of supporting columns matched with the circular grooves, and the supporting columns are inserted into the circular grooves, and the anti-scald plate is detachably connected to the inner walls of the inner blade one, the inner blade two, the outer blade one and the outer blade two.
[0027] The working principle and beneficial effects of the utility model are as follows:
[0028] In the utility model, when the flue gas baffle door prevents flue gas corrosion, first, the straight faces of the two frames are installed together and on the flue gas pipeline, after installation, the main splicing structure is installed on the inner walls of the frames, and the anti-scald plates are installed inside the main splicing structure, after the main splicing structure is installed, the auxiliary splicing structure is installed at the bottom of the main splicing structure through the position of the main splicing structure, and the anti-scald plates are installed inside the auxiliary splicing structure, after the main splicing structure and the auxiliary splicing structure are completely fixed and installed, the cooling device can be started when the flue gas flows to the baffle door, the main splicing structure and the auxiliary splicing structure can be cooled and radiated, and thermal deformation caused by the overheat of the flue gas is avoided, if one part is broken, the broken part can be disassembled and replaced with a new device, compared with the prior art, the flue gas baffle door is installed by splicing, and the anti-scald plates are additionally installed inside, so that the service life of the flue gas baffle door is prolonged, the heat inside is not conducted to the outside, the leakage of the hot air inside is avoided, and the splicing also has the advantage that only one piece needs to be disassembled or repaired when the flue gas baffle door needs to be replaced, so that the overall disassembly and installation are avoided, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS
[0029] The utility model will be explained further in detail in combination with the drawings and specific embodiments.
[0030] Figure 1 It is the whole structure schematic diagram of the utility model;
[0031] Figure 2 It is the structure schematic diagram of the frame, the inner blade one and the anti-scald plate cooperation in the utility model;
[0032] Figure 3The utility model discloses a frame, outer blade no. 1 and the structure schematic diagram of the cooperation of anti-scald plate.
[0033] Figure 4 The utility model discloses the structure schematic diagram of the cooperation of inner blade no. 1, outer blade no. 1 and mounting block.
[0034] Figure 5 The utility model discloses the partial sectional structure schematic diagram of the cooperation of cooling box, fan and connecting column.
[0035] In the drawing: 1, frame;2, anti-scald plate;3, sealing groove;4, sealing strip;5, round groove;6, support column;101, inner blade no. 1;102, fixed hole no. 1;103, outer blade no. 1;104, fixed rod no. 1;105, mounting block;201, inner blade no. 2;202, fixed hole no. 2;203, outer blade no. 2;204, fixed rod no. 2;205, mounting groove;301, fixed column;302, connecting column;303, cooling box;304, motor;305, fan. DETAILED DESCRIPTION
[0036] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are all related to the range protected by the utility model.
[0037] As Figures 1-5 The utility model discloses a kind of smoke baffle doors for preventing flue gas corrosion, including frame 1, frame 1 is semicircular ring structure, two semicircular straight faces are detachably connected together in opposite state, further including main splicing structure, auxiliary splicing structure, anti-scald plate 2 and cooling mechanism, main splicing structure is arranged in one of frame 1, for splicing to form smoke baffle door, auxiliary splicing structure is arranged at the bottom of main splicing structure, for with main splicing structure splicing to form smoke baffle door, main splicing structure and auxiliary splicing structure are provided with anti-scald plate 2, for anti-scald to flue gas, cooling mechanism is arranged on the outer wall of main splicing structure and auxiliary splicing structure, for cooling smoke baffle door.
[0038] In the embodiment, the main splicing structure comprises the inner blade one 101, the outer blade one 103 and the mounting block 105, the outer wall of the inner blade one 101 is fixedly connected to the inner wall of the frame 1, and two fixing holes one 102 are formed in the end of the inner blade one 101 away from the outer wall of the frame 1, the outer wall of the outer blade one 103 is fixedly connected to the inner wall of the frame 1, and two fixed rods one 104 are fixedly connected to the end of the outer blade one 103 away from the outer wall of the frame 1, and the two fixed rods one 104 are inserted into the fixing holes one 102, and the mounting block 105 is formed in the bottom of the inner blade one 101 and the outer blade one 103.
[0039] In the embodiment, the main splicing structure comprises the inner blade one 101, the outer blade one 103 and the mounting block 105, the outer wall of the inner blade one 101 is fixedly connected to the inner wall of the frame 1, and two fixing holes one 102 are formed in the end of the inner blade one 101 away from the outer wall of the frame 1, the outer wall of the outer blade one 103 is fixedly connected to the inner wall of the frame 1, and two fixed rods one 104 are fixedly connected to the end of the outer blade one 103 away from the outer wall of the frame 1, and the two fixed rods one 104 are inserted into the fixing holes one 102, and the mounting block 105 is formed in the bottom of the inner blade one 101 and the outer blade one 103.
[0040] In the embodiment, the cooling mechanism comprises the fixed column 301, the connecting column 302, the cooling box 303, the motor 304 and the fan 305, four fixed columns 301 are fixedly connected to the side of the outer blade one 103 and the outer blade two 203 away from the inner blade one 101, the other end of the fixed column 301 is fixedly connected with the connecting column 302, the cooling box 303 is fixedly connected to the connecting column 302, the motor 304 is installed at the end of the cooling box 303 away from the connecting column 302, and the output end of the motor 304 extends into the cooling box 303, and the fan 305 is fixedly connected to the output end of the motor 304.
[0041] In the embodiment, the inner blade one 101 and the inner blade two 201 are provided with the sealing grooves 3 at the ends away from the outer blade one 103, the outer blade one 103 and the outer blade two 203 are fixedly connected with the sealing strips 4 at the ends toward the inner blade one 101, and the sealing strips 4 are inserted into the sealing grooves 3, so that the inner blade one 101 and the outer blade one 103 and the inner blade two 201 and the outer blade two 203 are in a sealed state, and the leakage of flue gas is avoided.
[0042] In the embodiment, the inner walls of the inner blade one 101, the inner blade two 201, the outer blade one 103 and the outer blade two 203 are provided with a plurality of circular grooves 5, and one end of the anti-scald plate 2 is fixedly connected with a plurality of supporting columns 6 matched with the circular grooves 5, the supporting columns 6 are inserted into the circular grooves 5, and the anti-scald plate 2 is detachably connected to the inner walls of the inner blade one 101, the inner blade two 201, the outer blade one 103 and the outer blade two 203, mainly to block the hot gas directly received by the inner blade one 101 and the inner blade two 201, and the blocking is performed on each layer, so that the outer blade one 103 and the outer blade two 203 can reduce the impact of the hot gas, and the anti-scald plate 2 can be regularly replaced to ensure normal use of each anti-scald plate 2.
[0043] In summary, the working principle of the flue gas baffle door for preventing flue gas corrosion is as follows: first, the straight faces of the two semicircular frames 1 are installed together, the installed frame 1 is installed on the pipeline and fixed, then the outer wall of the inner blade one 101 is installed on the inner wall at the highest position of the frame 1, the supporting columns 6 on the anti-scald plate 2 are respectively inserted into the circular grooves 5, the anti-scald plate 2 is installed on the inner blade one 101, the inner blade two 201, the outer blade one 103 and the outer blade two 203, the fixing rod one 104 on the outer blade one 103 is inserted into the fixing hole one 102 of the inner blade one 101, and the sealing strip 4 on the outer blade one 103 is inserted into the sealing groove 3 of the inner blade one 101, at this time, the main splicing structure is installed, according to the installation blocks 105 at the bottom of the inner blade one 101 and the outer blade one 103, the installation grooves 205 at the top of the inner blade two 201 and the outer blade two 203 are respectively installed on the installation blocks 105, the inner blade two 201 is installed first, the fixing rod two 204 on the outer blade two 203 is inserted into the fixing hole two 202 of the inner blade two 201 to install after the inner blade two 201 is installed, the connecting column 302 is installed on the fixing column 301 after all the installation is completed, and the motor 304 is started to drive the fan 305 to rotate to blow and cool the outer blade one 103 and the outer blade two 203, and the phenomenon of thermal deformation of the inner blade one 101, the inner blade two 201, the outer blade one 103 and the outer blade two 203 caused by over-heating is avoided after being impacted by the flue gas, if any piece needs to be repaired, the piece can be removed for repair and replacement, and the motor 304 can be closed to keep it in a stationary state when there is no flue gas in the flue gas pipeline.
[0044] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A flue gas damper for preventing flue gas corrosion, comprising a frame (1), said frame (1) having a semi-circular ring structure, wherein two semi-circular rings are detachably connected together with their straight surfaces facing each other, characterized in that, Also includes: The main splicing structure is set in one of the frames (1) and is used to splice to form a flue gas baffle door; A secondary splicing structure is disposed at the bottom of the main splicing structure and is used to splice with the main splicing structure to form a flue gas baffle door; Anti-scalding plate (2), the anti-scalding plate (2) is provided in the main splicing structure and the sub-slicing structure, and is used to prevent scalding from the flue gas; The cooling mechanism is provided on the outer wall of both the main splicing structure and the sub-sponsor splicing structure, and is used to cool the flue gas damper door.
2. The flue gas damper door for preventing flue gas corrosion according to claim 1, characterized in that, The main splicing structure includes: Inner blade 1 (101), the outer wall of the inner blade 1 (101) is fixedly connected to the inner wall of the frame (1), and two fixing holes 1 (102) are opened at the end of the inner blade 1 (101) away from the outer wall of the frame (1). The outer blade (103) is fixedly connected to the inner wall of the frame (1) on its outer wall, and two fixing rods (104) are fixedly connected to one end of the outer blade (103) away from the outer wall of the frame (1), and both fixing rods (104) are inserted into the fixing hole (102). Mounting block (105), the bottom of the inner blade (101) and the outer blade (103) are both provided with mounting block (105).
3. The flue gas damper door for preventing flue gas corrosion according to claim 2, characterized in that, The sub-segmentation structure includes: Inner blade two (201), the outer wall of the inner blade two (201) is fixedly connected to the inner wall of the frame (1) away from the inner blade one (101), and two fixing holes two (202) are opened at one end of the inner blade two (201) away from the outer wall of the frame (1). The outer blade two (203) is also fixedly connected to the inner wall of the frame (1) away from the outer blade two (203), and two fixing rods two (204) are fixedly connected to one end of the outer blade two (203) away from the outer wall of the frame (1), and both fixing rods two (204) are inserted into the fixing hole one (102); Mounting groove (205): The inner blade two (201) and the outer blade two (203) are both provided with mounting groove (205) at one end facing the inner blade one (101), and the mounting block (105) is inserted into the mounting groove (205).
4. The flue gas damper door for preventing flue gas corrosion according to claim 3, characterized in that, The cooling mechanism includes: The outer blade one (103) and the outer blade two (203) are each fixedly connected to four of the fixed posts (301) on the side away from the inner blade one (101). The other end of the fixed column (301) is fixedly connected to the connecting column (302). A cooling box (303) is fixedly connected to the connecting column (302); A motor (304) is mounted on the end of the cooling box (303) away from the connecting post (302), and the output end of the motor (304) extends into the interior of the cooling box (303); A fan (305) is fixedly connected to the output end of the motor (304).
5. The flue gas damper door for preventing flue gas corrosion according to claim 4, characterized in that, Both inner blade one (101) and inner blade two (201) have a sealing groove (3) at the end away from outer blade one (103). Both outer blade one (103) and outer blade two (203) have a sealing strip (4) fixedly connected at the end facing inner blade one (101), and the sealing strip (4) is inserted into the sealing groove (3).
6. The flue gas damper door for preventing flue gas corrosion according to claim 5, characterized in that, Multiple circular grooves (5) are provided on the inner walls of the first inner blade (101), the second inner blade (201), the first outer blade (103), and the second outer blade (203). One end of the anti-scalding plate (2) is fixedly connected to a support column (6) that matches the circular groove (5). Multiple support columns (6) are inserted into the circular groove (5). The anti-scalding plate (2) can be detachably connected to the inner walls of the first inner blade (101), the second inner blade (201), the first outer blade (103), and the second outer blade (203).