Turnover plate device for discharge flue of calcium carbide furnace
By designing a flap device for the flue gas outlet of a calcium carbide furnace, and using a drive component and a rotating shaft to drive the gate plate to realize the automatic opening and closing of the flue gas outlet, the problem of the flue gas outlet opening and closing being difficult to control during the calcium carbide furnace outlet is solved, reducing labor intensity and operational risks, and reducing the spillage of soot.
Patent Information
- Application Number
- CN202520314393.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The opening and closing of the flue during the tapping of existing calcium carbide furnaces is not easy to control, and manual operation involves high labor intensity and operational risks, resulting in serious overflow of flue dust.
Design a flap device that includes a flue, a housing, and a flipping assembly. The device uses a drive unit and a rotating shaft to drive the gate to automatically open and close the flue. The structure is improved in terms of stability and sealing by combining a reinforcing rod, a fixing block, and a sealing gasket.
The system enables automatic control of the flue, reducing manual labor intensity, minimizing operational risks, and allowing for timely closure of the flue to minimize smoke and dust spillage.
Smart Images

Figure CN223795815U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of calcium carbide furnace technology, and in particular to a flap device for the flue gas outlet of a calcium carbide furnace. Background Technology
[0002] The calcium carbide furnace is the main equipment for producing calcium carbide. Inside the furnace, the high temperature generated by the electric arc melts the furnace charge, causing a reaction that produces calcium carbide. When the calcium carbide furnace exits, a large amount of smoke is produced at the furnace door, posing a significant threat to environmental protection and the health of workers.
[0003] Currently, during furnace tapping, on-site personnel need to pull a chain under the flue valve to open and close it, which poses significant operational risks and labor intensity for workers. Frequent delays in opening the valve result in substantial spillage of soot. Therefore, it is necessary to provide a new, easily operable electric tilting device for the calcium carbide furnace tapping flue to solve the aforementioned technical problems. Utility Model Content
[0004] This application provides a flap device for the flue of a calcium carbide furnace, which solves the problem in the prior art that it is difficult to control the opening and closing of the flue when the calcium carbide furnace is being tapped, and that manual operation of the flue valve is labor-intensive and carries significant operational risks. The device achieves automatic control of the opening and closing of the flue, reduces the intensity of manual labor, and ensures the safety of the workers.
[0005] This utility model provides a flap device for a calcium carbide furnace outlet flue, including a flue, a shell, and a flapping assembly; the shell has an outlet channel; one end of the flue is connected to a pipe, and the other end of the flue is connected to the shell and communicates with the outlet channel; the flapping assembly includes a drive component, a rotating shaft, and a gate; the output end of the drive component is connected to one end of the rotating shaft, and the other end of the rotating shaft is connected to the gate; the gate is disposed in the outlet channel and is configured to open or close the outlet channel.
[0006] In one possible implementation, the flipping assembly further includes a reinforcing rod connected to the gate plate.
[0007] In one possible implementation, the system further includes a first fixing block, a second fixing block, and a connector; the first fixing block is connected to one end of the flue near the housing; the second fixing block is connected to one end of the housing near the flue; and the first fixing block is connected to the second fixing block via the connector.
[0008] In one possible implementation, a sealing gasket is also included; the sealing gasket is disposed between the first fixing block and the second fixing block.
[0009] In a possible implementation, the device further comprises a sleeve and a pull rod; the sleeve is sleeved on the outer side of the flue; one end of the pull rod is connected to the outer side of the sleeve.
[0010] In a possible implementation, the device further comprises an anti-skid sleeve; the anti-skid sleeve is arranged between the sleeve and the flue.
[0011] The one or more technical solutions provided in the application have at least the following technical effects:
[0012] The utility model discloses an embodiment adopts a kind of for calcium carbide furnace flue's flap device, including flue, shell and turnover assembly;The shell is provided with outlet passage;One end of the flue is connected with pipeline, and the other end of the flue is connected with the shell, and is communicated with the outlet passage;The turnover assembly includes driving part, pivot and gate valve;The output end of the driving part is connected with one end of the pivot, and the other end of the pivot is connected with the gate valve;The gate valve is arranged in the outlet passage, and gate valve can open or close the outlet passage under the driving of driving part by pivot, to realize the opening and closing of flue.This application solves the problem that the opening and closing of flue is not easy to control when calcium carbide furnace is discharged in prior art, and manual operation flue valve has greater labor intensity, and has greater operation risk, realizes the opening and closing of automatic control flue, reduces the intensity of manual labor, and guarantees the safety of staff. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be briefly introduced to the drawings needed to be used in the description of the utility model embodiment, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0014] Figure 1 The isometric view of the flap device for calcium carbide furnace flue provided by the embodiment of the application is provided.
[0015] Figure 2 The isometric view of the turnover assembly provided by the embodiment of the application is provided.
[0016] Figure 3 The schematic view of the shell provided by the embodiment of the application is provided.
[0017] Figure 4 The schematic view of the sleeve provided by the embodiment of the application is provided.
[0018] Figure 5 The isometric view of the sleeve provided by the embodiment of the application is provided. Figure 1 The enlarged view of A of the sleeve provided by the embodiment of the application is provided.
[0019] Icons: 1-Fluorite; 2-Housing; 21-Outlet channel; 3-Flip assembly; 31-Drive component; 32-Rotating shaft; 33-Gate; 34-Reinforcing rod; 4-First fixing block; 5-Second fixing block; 6-Connector; 7-Sealing gasket; 8-Clip sleeve; 9-Pull rod; 10-Anti-slip sleeve; 11-Handle. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.
[0021] In the description of the embodiments of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the embodiments of this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.
[0022] This utility model embodiment provides a flap device for the flue gas outlet of a calcium carbide furnace, such as... Figures 1-5 As shown, it includes a flue 1, a housing 2, and a tilting assembly 3; the housing 2 has an outlet channel 21; one end of the flue 1 is connected to a pipe, and the other end of the flue 1 is connected to the housing 2 and communicates with the outlet channel 21; the tilting assembly 3 includes a drive component 31, a rotating shaft 32, and a gate 33; the output end of the drive component 31 is connected to one end of the rotating shaft 32, and the other end of the rotating shaft 32 is connected to the gate 33; the gate 33 is disposed in the outlet channel 21 and is configured to open or close the outlet channel 21.
[0023] Exemplarily, the outlet passage 21 is provided with a groove, one end of the rotating shaft 32 is connected with the output end of the driving member 31, the other end of the rotating shaft 32 extends into the groove and is rotationally connected with the shell 2. The shutter 33 is sleeved on the outside of the rotating shaft 32. The groove can position the rotating shaft 32, prevent the rotating shaft 32 from swinging and causing the shutter 33 to be stuck, thereby improving the stability of the rotating shaft 32 and the shutter 33 when rotating.
[0024] Exemplarily, the driving member 31 adopts a motor or other components. The user connects the flue 1 with the shell 2, when needing to open the flue 1, the user only needs to control the controller electrically connected with the motor, opens the motor, drives the rotating shaft 32 to rotate through the motor, drives the shutter 33 to rotate in the inside of the outlet passage 21 through the rotating shaft 32, thereby opens the outlet passage 21, when needing to close the outlet passage 21, reversely rotates the shutter 33 through the motor to close the outlet passage 21. The device realizes remote control of opening and closing of the flue 1, reduces the operation risk and labor intensity of the workers, and can timely open and close, reduces the overflow of smoke dust.
[0025] Exemplarily, the driving member 31 adopts a cylinder or other components, the shutter 33 is slidingly connected with the shell 2, the user only needs to control the controller electrically connected with the cylinder, opens the cylinder, drives the rotating shaft 32 to slide in the shell 2 through the cylinder, drives the shutter 33 to slide in the outlet passage 21 through the rotating shaft 32, thereby opens the outlet passage 21, when needing to close the outlet passage 21, reversely slides the shutter 33 through the cylinder to close the outlet passage 21.
[0026] Exemplarily, the outside of the shell 2 is provided with a handle 11, the outside of the handle 11 is provided with anti-skid lines.
[0027] Exemplarily, the device further comprises a fixing bolt, the rotating shaft 32 is fixedly connected with the shutter 33 through the fixing bolt.
[0028] In the embodiment of the present application, as shown in Figures 1-5 the turnover assembly 3 further comprises a reinforcing rod 34; the reinforcing rod 34 is connected to the shutter 33.
[0029] Exemplarily, the reinforcing rod 34 can increase the mechanical strength of the shutter 33. Specifically, the reinforcing rod 34 can improve the strength of the shutter 33, thereby prolonging the service life of the shutter 33.
[0030] In the embodiment of the present application, as shown in Figures 1-5 the device further comprises a first fixing block 4, a second fixing block 5 and a connecting piece 6; the first fixing block 4 is connected to one end of the flue 1 close to the shell 2; the second fixing block 5 is connected to one end of the shell 2 close to the flue 1; the first fixing block 4 is connected with the second fixing block 5 through the connecting piece 6.
[0031] Exemplarily, the connecting piece 6 comprises a gasket, a reinforcing bolt and a nut; the gasket is attached to the first fixing block 4 or the second fixing block 5, the first fixing block 4 and the second fixing block 5 are connected through the reinforcing bolt, and the nut is sleeved on the reinforcing bolt and attached to the gasket.
[0032] Exemplarily, the first fixing block 4 and the second fixing block 5 are attached together, then the fixing bolt is passed through the first fixing block 4 and the second fixing block 5, and the reinforcing bolt is fixed through the nut, so as to connect and fix the flue 1 and the shell 2.
[0033] In the embodiment of the application, as shown in the figure, Figures 1-5 a sealing gasket 7 is further included; the sealing gasket 7 is arranged between the first fixing block 4 and the second fixing block 5.
[0034] Exemplarily, the sealing gasket 7 can improve the sealing between the first fixing block 4 and the second fixing block 5, thereby improving the sealing between the flue 1 and the shell 2.
[0035] In the embodiment of the application, as shown in the figure, Figures 1-5 a clamping sleeve 8 and a pull rod 9 are further included; the clamping sleeve 8 is sleeved on the outer side of the flue 1; one end of the pull rod 9 is connected to the outer side of the clamping sleeve 8.
[0036] In the embodiment of the application, as shown in the figure, Figures 1-5 an anti-skid sleeve 10 is further included; the anti-skid sleeve 10 is arranged between the clamping sleeve 8 and the flue 1.
[0037] Exemplarily, by arranging the clamping sleeve 8 on the outer side of the flue 1 and arranging the pull rod 9 on the top of the clamping sleeve 8, the installation and fixation of the flue 1 by the user are facilitated; by arranging the anti-skid sleeve 10 in the clamping sleeve 8, the fixation effect of the clamping sleeve 8 on the flue 1 is improved; by arranging the handle 11 on the outer side of the shell 2, the installation of the shell 2 by the user is facilitated; by arranging the fixing bolt on the shutter 33, the connection strength between the shutter 33 and the rotating shaft 32 is strengthened.
[0038] The embodiment of the utility model provides a kind of for calcium carbide furnace flue outlet smoke flue flap device, and its working principle is as follows:
[0039] In use, the user connects flue 1 with shell 2, when needing to open flue 1, the user only needs to control the controller electrically connected with motor, and opens motor, rotates rotating shaft 32 by motor, and rotating shaft 32 drives shutter 33 to rotate 90 degrees in through hole, to open through hole, when needing to close through hole, through motor drives shutter 33 to reverse rotation 90 degrees, to close through hole, the device realizes remote control, reduces the operation risk and labor intensity of field operation personnel, and can be switched in time, reduces smoke overflow.
[0040] The first fixed block 4 and the second fixed block 5 are attached together, then the reinforcing bolt is passed through the first fixed block 4 and the second fixed block 5, the reinforcing bolt is fixed through the nut, so as to fix and connect the flue 1 and the shell 2; the sealing gasket 7 is arranged between the first fixed block 4 and the second fixed block 5, so as to improve the sealing between the flue 1 and the shell 2; the sleeve 8 is arranged outside the flue 1, the pull rod 9 is arranged at the top of the sleeve 8, so as to facilitate the user to install and fix the flue 1, the anti-skid sleeve 10 is arranged inside the sleeve 8, so as to improve the fixing effect of the sleeve 8 on the flue 1.
[0041] The application solves the problem that the on-site personnel need to manually pull the chain under the flue 1 valve to open and close the flue 1 valve, which increases the operation risk and labor intensity of the operation personnel, and reduces the problem of large amount of soot overflow caused by not timely opening.
[0042] The various embodiments in the specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments.
[0043] The above examples are only used to illustrate the technical solutions of the application, and are not limited to the application; although the application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the application.
Claims
1. A flap device for the outlet flue of an acetylene furnace, characterized in that The flue (1), the shell (2) and the turnover assembly (3) are included. The shell (2) is provided with an outlet passage (21); One end of the flue (1) is connected with a pipeline, and the other end of the flue (1) is connected with the shell (2) and communicates with the outlet passage (21); The turnover assembly (3) includes a driving member (31), a rotating shaft (32) and a shutter (33); The output end of the driving member (31) is connected with one end of the rotating shaft (32), and the other end of the rotating shaft (32) is connected with the shutter (33); The shutter (33) is arranged in the outlet passage (21) and is configured to open or close the outlet passage (21).
2. The flap device for the outlet flue of an electric furnace according to claim 1, characterized in that, The turnover assembly (3) further includes a reinforcing rod (34); The reinforcing rod (34) is connected with the shutter (33).
3. The flap device for the outlet flue of an electric furnace according to claim 1, characterized in that, The first fixed block (4), the second fixed block (5) and the connecting member (6) are further included. The first fixed block (4) is connected with one end of the flue (1) close to the shell (2); The second fixed block (5) is connected with one end of the shell (2) close to the flue (1); The first fixed block (4) is connected with the second fixed block (5) through the connecting member (6).
4. The flap device for the outlet flue of an electric furnace according to claim 3, characterized in that, The sealing gasket (7) is further included; The sealing gasket (7) is arranged between the first fixed block (4) and the second fixed block (5).
5. The flap device for the outlet flue of an electric furnace according to claim 1, characterized in that, The clamping sleeve (8) and the pull rod (9) are further included; The clamping sleeve (8) is sleeved on the outer side of the flue (1); One end of the pull rod (9) is connected with the outer side of the clamping sleeve (8).
6. The flap device for the outlet flue of an electric furnace according to claim 5, characterized in that, The anti-skid sleeve (10) is further included; The anti-skid sleeve (10) is arranged between the clamping sleeve (8) and the flue (1).