Furnace cover of furnace body and furnace body smoke collecting system

Abstract

The utility model discloses a furnace cover of a furnace body and a smoke collecting system of the furnace body, the furnace cover comprises at least one section of furnace cover body, all sections of furnace cover bodies are arranged along the length direction, and the furnace cover body positioned at the end part is provided with a smoke collecting port; a flue pipeline is arranged on the outer side of each section of furnace cover body, the flue pipelines on the outer sides of two adjacent sections of furnace cover bodies are communicated with each other, and the flue gas collecting ports are communicated with the flue pipelines; the furnace cover body comprises a blowout prevention furnace cover, a furnace cover shell and a turning plate, the blowout prevention furnace cover is connected with the furnace cover shell through a supporting frame, and a skylight is arranged at the joint of the blowout prevention furnace cover and the supporting frame; the turning plates are detachably connected with the furnace cover shells, and the furnace cover shells and the turning plates on every two adjacent sections of furnace cover bodies are connected in a sealed mode to form a containing cavity with an opening in the bottom; at least one smoke pipeline branch pipe is arranged on the inner side wall of the furnace cover shell and communicated with the flue pipeline. The furnace cover solves the technical problem that in the prior art, when furnace spraying occurs, a furnace cover cannot be used for protection, and danger is large.

Description

Technical Field

[0001] This utility model belongs to the field of lithium battery anode material production technology, specifically relating to a furnace cover and a furnace flue gas collection system. Background Technology

[0002] At present, with the rapid popularization of new energy, there is a greater demand for lithium batteries and lithium battery anode materials. In the graphitization production process of lithium battery anode materials, high temperature will produce a variety of harmful fumes, which are generally collected and treated by furnace hood. However, there are several problems when using furnace hood to collect fumes: (1) Traditional graphitization is mostly carried out in fixed furnaces, and the fumes are collected by segmented furnace hoods for sealing. The interior is poorly lit due to the sealing, and the situation inside the furnace hood cannot be observed during the graphitization process. If a blowout occurs, it will be sprayed out directly through the top skylight, and the furnace hood cannot protect it, which is very dangerous. In addition, the blowout will also affect the flue pipe set on the top of the furnace hood. Furthermore, the furnace hood is difficult to repair and replace, and the distance between the front and rear ends of the furnace hood is too long, which leads to air leakage. (2) When used in mobile furnaces, traditional furnace hoods are placed on the furnace body. When the furnace is moved, it cannot avoid the furnace body and needs to be hoisted manually, which is difficult, time-consuming, and prone to collision and interference with the furnace, which is dangerous. Utility Model Content

[0003] In view of the existing technical problems, this utility model aims to provide a furnace cover and a furnace flue gas collection system. The furnace cover can solve the technical problem that the furnace cover cannot protect against the great danger when a furnace blowout occurs in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A furnace hood includes at least one furnace hood body section, with each section arranged along its length. A flue gas collection port is provided on the end section of the furnace hood body. The structural features are: each furnace hood body section has a flue pipe on its outer side, and the flue pipes on the outer sides of adjacent furnace hood body sections are connected. The flue gas collection port is connected to the flue pipe. The furnace hood body includes a blowout preventer hood at the top, a furnace hood shell below the blowout preventer hood, and a flap at the bottom of the furnace hood shell. The blowout preventer hood and the furnace hood shell are connected by a support frame, and an upward-opening skylight is provided at the connection between the furnace hood shell and the support frame. The flap is detachably connected to the furnace hood shell, and the furnace hood shell and flap on adjacent furnace hood body sections are respectively sealed together to form a bottom-opening receiving cavity. At least one flue gas pipe branch is provided on the inner wall of the furnace hood shell, which is used to collect flue gas inside the furnace hood body and is connected to the flue pipe.

[0006] In use, the furnace hood of this invention comprises sections of the furnace hood body located at the top of the furnace body. Adjacent sections of the furnace hood body are sealed together, and adjacent sections of the furnace hood body have correspondingly sealed flaps. Flue gas inside the furnace is collected through branch pipes of the flue gas pipeline and then discharged to the flue gas collection port through the flue pipe, thus achieving the collection of flue gas inside the furnace hood. In the event of a blowout, the skylight opens outwards and is protected by the blowout-proof furnace hood located at the top, reducing the danger of a blowout. Furthermore, since the flue pipe is located outside the furnace hood shell, a blowout will not affect the flue pipe. Each section of the furnace hood body, the furnace hood shell and the flaps, and the furnace hood shell and the blowout-proof furnace hood are all independent of each other, allowing for rapid repair and replacement of damaged parts even in the event of a blowout.

[0007] Preferably, the furnace hood body is fixed to the top platform, and the furnace hood shell is fixedly connected to the top platform via a crossbeam. By setting the top platform to fix the furnace hood body, the overall docking and installation of each section of the furnace hood body and the flue pipe can be achieved on the top platform, avoiding frequent hoisting and docking and improving installation convenience.

[0008] Preferably, the furnace hood shell is equipped with a driving device, the output end of which is connected to the outer wall of the flap; the flap is rotatably connected to the furnace hood shell, and can rotate around the furnace hood shell under the drive of the driving device. When the furnace body located below the furnace hood body is a movable furnace body, the driving device drives the flap to rotate upward, raising the flap to a certain height, thereby preventing the furnace body from colliding and interfering with the furnace hood body when moving, reducing the difficulty and time of operation.

[0009] Preferably, the drive device is equipped with a sensor for detecting the extension / retraction length of the output end of the drive device. The drive device stops moving when the output end reaches the sensor's mounting position, and the final height of the flap is controlled by the sensor's mounting position.

[0010] Preferably, a spotlight device is provided at the end of the furnace hood body, which has a flue gas collection port. The light source of the spotlight device faces the inside of the furnace hood body, and the furnace hood shell has at least one light-transmitting window along its length. By providing a light-transmitting window and a spotlight device, the brightness inside the furnace hood body can be increased, making it easier to observe the real-time situation inside the furnace.

[0011] Preferably, a monitoring device is installed at the end of the furnace hood body, which has a flue gas collection port, and the monitoring device faces inwards from the furnace hood body. The monitoring device can be an industrial high-temperature explosion-proof camera, which monitors the situation inside the furnace body in real time.

[0012] Preferably, refractory cotton is provided on the inner walls of both the blowout preventer and the furnace shell. When a blowout occurs inside the furnace, it will break open the top skylight, and the ejected material will hit the blowout preventer. The refractory cotton inside the blowout preventer and the furnace shell can prevent damage to the furnace shell and the top frame structure during a blowout.

[0013] Preferably, the flue gas pipeline branch pipe is connected to the flue gas duct pipeline via a flue gas duct branch pipe, and a valve is provided on the flue gas duct branch pipe. A duct maintenance port is provided at the connection point between the flue gas pipeline branch pipe and the flue gas duct branch pipe. By adjusting the size of the flue gas duct branch pipe opening and the distance between each flue gas duct branch pipe, the air volume distribution at the front and rear ends inside the furnace hood can be adjusted.

[0014] Specifically, a support frame is provided on the inner wall of the furnace hood shell, and the flue gas pipeline branch pipe is arranged along the support frame.

[0015] Based on the same inventive concept, this application also provides a furnace flue gas collection system, including a furnace body, the top of which is provided with a furnace cover as described above, and the furnace cover body with a flue gas collection port is correspondingly arranged at the front end of the furnace body.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. The furnace cover and flue gas collection system of this utility model allow for real-time observation of the internal situation through the head spotlight and monitoring device during production, and flue gas is collected through the flue gas pipeline branch pipe inside the furnace cover and the flue pipe outside. When the furnace body moves, the two side flaps are lifted by the drive device to avoid interference between the furnace body and the furnace cover body when the furnace body moves.

[0018] 2. The furnace cover and flue gas collection system of this utility model can not only realize the real-time observation of the furnace to prevent abnormal situations and achieve better flue gas collection, but also reduce the damage to the furnace cover structure and surrounding equipment during furnace spraying, avoid interference with the furnace cover when the furnace is moved, and have a stable and reliable structure, which is convenient for modular maintenance and replacement. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the furnace flue gas collection system of this utility model;

[0020] Figure 2 yes Figure 1 Enlarged structural diagram at point A in the middle;

[0021] Figure 3 yes Figure 1 A schematic diagram of the right-side view structure;

[0022] Figure 4 yes Figure 3 Schematic diagram of the flap lifting structure at point B;

[0023] Figure 5 yes Figure 1 Schematic diagram of the inner wall structure of the furnace hood shell;

[0024] Figure 6 yes Figure 1 Schematic diagram of the sensor on the drive unit.

[0025] In the figure

[0026] 1-Furnace hood body; 101-Anti-blowout furnace hood; 102-Furnace hood shell; 103-Flip plate; 104-Support frame; 105-Support frame; 2-Flue gas pipeline branch pipe; 3-Flue duct branch pipe; 4-Air duct maintenance port; 5-Furnace body; 6-Spotlight device; 7-Skylight; 8-Drive device; 9-Top platform; 10-Flue gas collection port; 11-Flue duct; 12-Skylight; 13-Crossbeam; 14-Refractory cotton; 15-Sealing device; 16-Sensor; 17-Flip plate support; 18-Monitoring device. Detailed Implementation

[0027] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0028] like Figure 1 As shown, the furnace hood provided in this embodiment includes four sections of furnace hood body 1. Each of the four sections of furnace hood body 1 has a flue pipe 11 on both sides. The four sections of furnace hood body 1 are arranged along the length direction, and the flue pipes 11 on the outer sides of adjacent sections of furnace hood body 1 are connected. Figure 1 and Figure 3 As shown, the furnace hood body 1 includes a blowout preventer hood 101 at the top, a furnace hood shell 102 located below the blowout preventer hood 101, and a flap 103 located at the bottom of the furnace hood shell 102. The furnace hood shell 102 and flap 103 on adjacent sections of the furnace hood body 1 are sealed together to form a receiving cavity with a bottom opening. The furnace hood shells 102 are sealed together by a sealing device 15, which is made of channel steel to reduce the leakage of flue gas from the receiving cavity. The blowout preventer hood 101 and the furnace hood shell 102 are connected by a support frame 104, and a skylight 12 that can be opened upwards is provided at the connection between the furnace hood shell 102 and the support frame 104. Refractory cotton 14 is provided on the inner walls of both the blowout preventer hood 101 and the furnace hood shell 102. Figure 5As shown, a support frame 105 is provided on the inner wall of the furnace hood shell 102. Four flue gas branch pipes 2 are provided along the length of the inner wall of the furnace hood shell 102. The four flue gas branch pipes 2 are all arranged along the support frame 105. These flue gas branch pipes 2 are used to collect the flue gas inside the furnace hood body 1. Figure 2 As shown, flue gas branch pipe 2 is connected to flue gas pipeline 11 via flue gas branch pipe 3. A valve is installed on flue gas branch pipe 3, and a duct maintenance port 4 is located at the connection point between flue gas branch pipe 2 and flue gas branch pipe 3. A flue gas collection port 10 is located on the furnace hood body 1 at the right end, and this flue gas collection port 10 is connected to flue gas pipeline 11. (As shown...) Figure 1 and Figure 3 As shown, the furnace hood shell 102 is fixed to the top platform 9 by a crossbeam 13. Figure 1 , Figure 3 and Figure 4 As shown, a driving device 8 is provided on the outer wall of the furnace hood shell 102. The output end of the driving device 8 is connected to the outer wall of the flap 103 through a flap support 17. The flap 103 is rotatably connected to the furnace hood shell 102, and the flap 103 can rotate around the furnace hood shell 102 under the drive of the driving device 8. Figure 6 As shown, the drive unit 8 is equipped with a sensor 16, which is used to detect the extension and retraction length of the output end of the drive unit 8. Figure 1 As shown, a spotlight device 6 is provided at the end of the furnace hood body 1, which has a flue gas collection port 10. The light source of the spotlight device 6 faces the inside of the furnace hood body 1, and the furnace hood shell 102 has four light-transmitting windows 7 along its length. Figure 3 As shown, a monitoring device 18 is provided at the end of the furnace hood body 1, which is provided with a flue gas collection port 10, and the monitoring device 18 faces the inside of the furnace hood body 1.

[0029] like Figure 1 As shown, this embodiment also provides a furnace flue gas collection system, including a furnace body 5. The top of the furnace body 5 is provided with a furnace cover as described above, and the furnace cover body 1 with a flue gas collection port 10 is provided corresponding to the front end of the furnace body 5.

[0030] like Figure 1 , Figure 3As shown, each section of the furnace hood body 1 has a light-transmitting window 7 on both sides. A spotlight device 6 and a real-time monitoring device 18 are installed at the head of the first section of the furnace hood body 1. This not only increases the light intensity inside the furnace but also allows for real-time observation of the internal conditions of the furnace hood body 1, enabling timely detection of hazards. The first section of the furnace hood body 1 and its flue pipe 11 are sequentially connected to the second, third, and fourth sections of the furnace hood body 1 and their respective flue pipes 11, thus achieving an integrated connection between each section of the furnace hood body 1 and the flue pipes 11. The airflow distribution inside the furnace hood body 1 can be adjusted by regulating the size of the flue branch pipe openings 3 on the furnace hood shell and the distance between each opening. Each furnace hood body 1 is sequentially fixed to the top platform 9. During the movement of the furnace body 5, as... Figure 4 As shown, the flip plates 103 can be raised by controlling the drive devices 8 on both sides of the furnace hood body 1, which facilitates worker operations and avoids interference between the furnace body 5 and the furnace hood body 1 during movement. A layer of refractory cotton 14 is installed inside the anti-blowout furnace hood 101 and the furnace hood shell 102 to reduce the heat generated during the heating process and the damage to the furnace hood structure and surrounding equipment during blowouts. Furthermore, the flip plates 103 on both sides are independent of the furnace hood shell 102 and each section of the furnace hood body 1, which facilitates the repair and replacement of the damaged parts.

[0031] The above embodiments should be understood as being used only to illustrate the utility model more clearly, and not to limit the scope of the utility model. After reading this utility model, any modifications of the embodiments by those skilled in the art in various equivalent forms fall within the scope defined by the appended claims.

Claims

1. A furnace hood for a furnace body, comprising at least one furnace hood body (1), wherein each furnace hood body (1) is arranged along its length, and a flue gas collection port (10) is provided on the furnace hood body (1) located at one end; characterized in that: Each section of the furnace hood body (1) is provided with a flue pipe (11) on the outside. The flue pipes (11) on the outside of two adjacent sections of the furnace hood body (1) are connected. The flue gas collection port (10) is connected to the flue pipe (11). The furnace hood body (1) includes a blowout preventer furnace hood (101) disposed on the top, a furnace hood shell (102) disposed below the blowout preventer furnace hood (101), and a flap (103) disposed at the bottom of the furnace hood shell (102). The blowout preventer furnace hood (101) and the furnace hood shell (102) are connected by a support frame (104), and a skylight (12) that can be opened upward is provided at the connection between the furnace hood shell (102) and the support frame (104). The flap (103) is detachably connected to the furnace hood shell (102), and the furnace hood shell (102) and flap (103) on two adjacent furnace hood bodies (1) are respectively sealed to form a receiving cavity with a bottom opening; At least one flue gas branch pipe (2) is provided on the inner wall of the furnace hood shell (102). The flue gas branch pipe (2) is used to collect the flue gas inside the furnace hood body (1). The flue gas branch pipe (2) is connected to the flue pipe (11).

2. The furnace hood according to claim 1, characterized in that: The furnace hood body (1) is fixed on the top platform (9), and the furnace hood shell (102) is fixedly connected to the top platform (9) through the crossbeam (13).

3. The furnace hood according to claim 2, characterized in that: The furnace hood shell (102) is provided with a driving device (8), the output end of which is connected to the outer wall of the flap (103); the flap (103) is rotatably connected to the furnace hood shell (102), and the flap (103) can rotate around the furnace hood shell (102) under the drive of the driving device (8).

4. The furnace hood according to claim 3, characterized in that: The drive device (8) is equipped with a sensor (16), which is used to detect the extension length of the output end of the drive device (8).

5. The furnace hood according to claim 1, characterized in that: The end of the furnace hood body (1) with a flue gas collection port (10) is provided with a spotlight device (6), the light source of which faces the inside of the furnace hood body (1), and the furnace hood shell (102) is provided with at least one light-transmitting window (7) along the length direction.

6. The furnace hood according to claim 5, characterized in that: A monitoring device (18) is provided at the end of the furnace hood body (1) which is provided with a flue gas collection port (10), and the monitoring device (18) faces the inside of the furnace hood body (1).

7. The furnace hood according to any one of claims 1 to 6, characterized in that: The inner walls of both the blowout preventer (101) and the furnace cover (102) are provided with refractory cotton (14).

8. The furnace hood according to any one of claims 1 to 6, characterized in that: The flue gas pipeline branch pipe (2) is connected to the flue pipe (11) through the flue pipe branch pipe (3). A valve is provided on the flue pipe branch pipe (3), and a duct maintenance port (4) is provided at the connection between the flue gas pipeline branch pipe (2) and the flue pipe branch pipe (3).

9. The furnace hood according to any one of claims 1 to 6, characterized in that: A support frame (105) is provided on the inner wall of the furnace hood shell (102), and the flue gas pipeline branch pipe (2) is arranged along the support frame (105).

10. A furnace flue gas collection system, comprising a furnace body (5), characterized in that: The top of the furnace body (5) is provided with a furnace cover as described in any one of claims 1 to 9, and the furnace cover body (1) with a flue gas collection port (10) is provided corresponding to the front end of the furnace body (5).

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