Raw material conveying device for calcium carbide furnace

Abstract

The utility model belongs to the technical field of calcium carbide furnace raw material conveying, and relates to a calcium carbide furnace raw material conveying device which comprises a movable frame body, a conveying assembly and a dust removal assembly, the conveying assembly is installed on the movable frame body and used for conveying calcium carbide furnace raw materials, and the dust removal assembly comprises a dust removal fan and a first sweeper; the dust removal fan is connected with the movable frame body and is used for sucking dust suspended above the conveying assembly; the first sweeper is connected with the conveying assembly, the sweeping end of the first sweeper makes contact with the return stroke side of the conveying assembly, and the return stroke side of the conveying assembly refers to the part, returning to the conveying starting point after raw materials of the calcium carbide furnace are unloaded, in the conveying assembly. According to the calcium carbide furnace raw material conveying device, dust suspended above the conveying assembly is sucked through the dust removal assembly, then, after calcium carbide furnace raw materials are unloaded from the conveying assembly, the first sweeper sweeps dust attached to the return stroke side of the conveying assembly, dust accumulation on the conveying assembly is avoided, and then the dust removal effect of the calcium carbide furnace raw material conveying device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium carbide furnace raw material conveying, and particularly relates to a calcium carbide furnace raw material conveying device. Background Art

[0002] In chemical production, as a key process unit, the core equipment of the calcium carbide device, the calcium carbide furnace, realizes the efficient conversion of raw materials through a complex energy conversion mechanism. However, during the raw material feeding process, due to the grinding and conveying of materials, a large amount of dust will inevitably be generated; these dusts are suspended and deposited in the conveying channels such as the belt corridor, gradually accumulating to form a dust layer, which not only seriously pollutes the production environment, but also directly threatens the physical health of the cleaning personnel working in this area.

[0003] In the prior art, referring to the patent document with the application number 202222288164.1, a limestone feeding device for calcium carbide production raw materials is disclosed, including: a conveyor belt for conveying limestone raw materials, the conveyor belt is arranged in the belt corridor to feed the feeding trough of the calcium carbide furnace, and a dust collector is arranged on the upper part of the feeding tower at the end of the belt corridor, and the dust collector collects the limestone dust generated in the belt corridor and regularly discharges it onto the conveyor belt for conveying; when the conveyor belt in the belt corridor conveys limestone and generates dust pollution, the dust collector is started, and the dust collector collects the dust in the belt corridor.

[0004] However, by adsorbing the dust in the belt corridor through the dust collector, there will still be some dust adhering to the conveyor belt, resulting in dust accumulation on the conveyor belt and making it difficult to ensure the dust removal effect. Summary of the Utility Model

[0005] In order to solve the technical problem that some dust adheres to the conveyor belt and causes dust accumulation on the conveyor belt in the background art, the utility model provides a calcium carbide furnace raw material conveying device.

[0006] For the calcium carbide furnace raw material conveying device of the utility model, first, the dust floating above the conveying component is sucked by the dust removal component, and then, after the calcium carbide furnace raw materials are unloaded from the conveying component, the first sweeper sweeps the dust adhering to the return side of the conveying component, so as to avoid dust accumulation on the conveying component, and further ensure the dust removal effect of the calcium carbide furnace raw material conveying device.

[0007] To solve the above technical problems, the utility model provides the following technical solutions:

[0008] A calcium carbide furnace raw material conveying device includes a movable frame body and a conveying component. The conveying component is installed on the movable frame body and is used for conveying the raw materials of the calcium carbide furnace. The calcium carbide furnace raw material conveying device further includes a dust removal component, and the dust removal component includes a dust removal fan and a first sweeper; the dust removal fan is connected to the movable frame body and is used for sucking the dust suspended above the conveying component; the first sweeper is connected to the conveying component, and the cleaning end of the first sweeper contacts the return side of the conveying component, where the return side of the conveying component refers to the part of the conveying component that returns to the transportation starting point after the raw materials of the calcium carbide furnace are unloaded.

[0009] In a specific feasible implementation, the conveying component includes a conveyor belt, a first discharge roller, a second discharge roller, a driving member and a support frame; the support frame is connected to the movable frame body, and the first sweeper is connected to the support frame; the first discharge roller and the second discharge roller are respectively installed at both ends of the support frame, and both the first discharge roller and the second discharge roller are rotatably connected to the support frame; the conveyor belt is wound around the outer circumferences of the first discharge roller and the second discharge roller, and the return side of the conveyor belt is located between the support frame and the movable frame body, and the cleaning end of the first sweeper contacts the outer surface of the return side of the conveyor belt; the driving member is connected to the support frame, and the output end of the driving member is coaxially connected to the first discharge roller and is used for driving the first discharge roller to rotate.

[0010] In a specific feasible implementation, the dust removal component further includes a second sweeper that is arranged in a dislocation manner with the first sweeper; the second sweeper is connected to the movable frame body, and the cleaning end of the second sweeper contacts the outer surface of the return side of the conveyor belt at the barrel wall of the first discharge roller or the second discharge roller.

[0011] In a specific feasible implementation, the dust removal component further includes a third sweeper; the third sweeper is connected to the support frame, and the cleaning end of the third sweeper contacts the inner surface of the return side of the conveyor belt.

[0012] In a specific feasible implementation, the movable frame body includes a feeding section, blanking sections connected to both ends of the feeding section, and a movable end connected to the lower part of the feeding section; the conveying component is installed on the feeding section and extends to the blanking sections at both ends.

[0013] In a specific feasible implementation, a sealing component is further included, and the sealing component includes a sealing cover; the sealing cover covers the upper part of the feeding section and the upper part of the blanking section and is used for blocking the dust in the feeding section and the blanking section.

[0014] In a specific feasible implementation, the sealing component further includes a dust blocking curtain; the dust blocking curtain is connected to the end of the sealing cover.

[0015] In a specific feasible implementation, a sealing baffle is provided at one end of the blanking section away from the material conveying section.

[0016] In a specific feasible implementation, the blanking section is arranged in a converging structure.

[0017] In a specific feasible implementation, a feeding port is opened on the sealing cover located above the material conveying section.

[0018] In summary, the utility model includes the following beneficial technical effects:

[0019] 1. For the calcium carbide furnace raw material conveying device of the utility model, first, the dust suction assembly sucks the dust suspended above the conveying assembly. Then, after the calcium carbide furnace raw materials are unloaded from the conveying assembly, the first sweeper sweeps the dust adhering to the return side of the conveying assembly, avoiding dust accumulation on the conveying assembly, and thus ensuring the dust removal effect of the calcium carbide furnace raw material conveying device.

[0020] 2. For the calcium carbide furnace raw material conveying device of the utility model, the second sweeper is provided. After the calcium carbide furnace raw materials are discharged, the second sweeper initially sweeps the outer surface of the return side of the conveyor belt at the barrel wall of the first discharge roller or the second discharge roller, removing most of the dust adhering to the outer surface of the return side of the conveyor belt. Then, the first sweeper performs a secondary sweep on the outer surface of the return side of the conveyor belt, removing a small amount of dust adhering to the outer surface of the return side of the conveyor belt. Through the mutual cooperation of the first sweeper and the second sweeper, the dust removal effect of the conveyor belt is improved.

[0021] 3. For the calcium carbide furnace raw material conveying device of the utility model, the third sweeper contacts the inner surface of the return side of the conveyor belt, enabling the third sweeper to sweep the attachments on the inner surface of the return side of the conveyor belt, preventing the accumulation of dust between the conveyor belt and the first discharge roller or between the conveyor belt and the second discharge roller, and thus avoiding damage to the first discharge roller and the second discharge roller, and ensuring the stable operation of the calcium carbide furnace raw material conveying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the overall structural schematic diagram of the calcium carbide furnace raw material conveying device of the utility model.

[0023] Figure 2 is Figure 1 the enlarged view of part A in

[0024] Figure 3 is the partial schematic diagram of the calcium carbide furnace raw material conveying device of the utility model, aiming to illustrate the first sweeper, the second sweeper and the third sweeper.

[0025] Description of reference numerals: 1. Moving frame; 11. Feeding port; 12. Feeding section; 13. Discharging section; 131. Sealing baffle; 2. Conveying assembly; 21. Conveyor belt; 22. First discharging roller; 23. Second discharging roller; 3. Dust removal assembly; 31. Dust removal fan; 32. First sweeper; 33. Second sweeper; 34. Third sweeper; 4. Sealing assembly; 41. Sealing cover. Detailed implementation manners

[0026] The technical solutions of the present utility model will be further explained below in conjunction with the drawings and embodiments, but the present utility model is not limited to the following described embodiments.

[0027] Refer to Figure 1 and Figure 2 A raw material conveying device for an electric arc furnace includes: a moving frame 1, a conveying assembly 2, and a dust removal assembly 3. The conveying assembly 2 is installed on the moving frame 1 and is used for conveying raw materials of the electric arc furnace; the dust removal assembly 3 includes a dust removal fan 31 and a first sweeper 32. The dust removal fan 31 is connected to the moving frame 1 and is used for sucking dust suspended above the conveying assembly 2; the first sweeper 32 is connected to the conveying assembly 2, and the cleaning end of the first sweeper 32 contacts the return side of the conveying assembly 2. Herein, the return side of the conveying assembly 2 refers to the part of the conveying assembly 2 where the raw materials of the electric arc furnace return to the transportation starting point after unloading. In the present utility model, the first sweeper 32 is a commercially available belt sweeper.

[0028] In the present utility model, the raw materials of the electric arc furnace are placed on the conveying assembly 2 and move along with the conveying assembly 2. Then, a force is applied to the moving frame 1, and the moving frame 1 moves to transport the raw materials of the electric arc furnace to the required position, realizing the conveying of the raw materials of the electric arc furnace. During this process, the dust removal fan 31 sucks the dust suspended above the conveying assembly 2, and the first sweeper 32 sweeps the dust adhering to the return side of the conveying assembly 2, realizing the dust removal of the raw material conveying device for the electric arc furnace.

[0029] Refer to Figure 1 and Figure 2 The moving frame 1 includes a feeding section 12, discharging sections 13 connected to both ends of the feeding section 12, and a mobile end 14 connected below the feeding section 12. The conveying assembly 2 is installed on the feeding section 12 and extends to both discharging sections 13 at both ends. In the present utility model, the discharging section 13 can be set as a straight tube structure, a flared structure, or a necked structure. Any setting method that facilitates the raw materials of the electric arc furnace conveyed by the conveying assembly 2 to fall from the discharging section 13 is acceptable. In the working environment, there is a track that cooperates with the mobile end 14, and the mobile end 14 moves along the extending direction of the track. There are multiple feeding ports on the track. When the mobile end 14 moves to the required feeding port position, the raw materials of the electric arc furnace fall into the feeding port through the discharging section 13, realizing the conveying of the raw materials of the electric arc furnace.

[0030] Refer to Figure 1 and Figure 3 The conveying assembly 2 includes a conveyor belt 21, a first discharging roller 22, a second discharging roller 23, a driving member, and a support frame. The support frame is connected to the feeding section 12, and both ends of the support frame extend into two discharging sections 13 respectively. The first sweeper 32 is connected to the support frame located above the feeding section 12. The first discharging roller 22 and the second discharging roller 23 are respectively installed at both ends of the support frame, and both the first discharging roller 22 and the second discharging roller 23 are rotatably connected to the support frame. Specifically, a connecting rod is connected to each end of the support frame, and the first discharging roller 22 and the second discharging roller 23 are respectively rotatably connected to a connecting rod, and the first discharging roller 22 and the second discharging roller 23 are respectively located in a discharging section 13. The conveyor belt 21 is wound around the outer circumferences of the first discharging roller 22 and the second discharging roller 23, and the return side of the conveyor belt 21 is located between the support frame and the moving frame body 1. The cleaning end of the first sweeper 32 is in contact with the outer surface of the return side of the conveyor belt 21. Among them, the conveyor belt 21 includes two parts: a feeding side and a return side. The feeding side refers to the part for conveying the raw materials of the electric arc furnace, and the feeding side is located above the support frame. The return side refers to the part where the raw materials of the electric arc furnace return to the transportation starting point after unloading, and the return side is located below the support frame. The driving member is connected to the support frame, and the output end of the driving member is coaxially connected to the first discharging roller 22 for driving the first discharging roller 22 to rotate. In the present utility model, the driving member can be a driving device such as a motor, and any setting method that drives the first discharging roller 22 by the driving member to drive the conveyor belt 21 and the second discharging roller 23 to rotate synchronously is acceptable.

[0031] Embodiment 1:

[0032] Refer to Figure 1 and Figure 2 In the raw material conveying device of the electric arc furnace in this embodiment, a sealing baffle 131 is provided at one end of the discharging section 13 away from the feeding section 12. The sealing baffle 131 is connected to the discharging section 13 through a hinge.

[0033] In this embodiment, the provided sealing baffle 131 enables the raw materials of the electric arc furnace falling from the conveyor belt 21 to be located in the discharging section 13. When the moving frame body 1 moves to the required feeding port position, the sealing baffle 131 is opened, and the raw materials of the electric arc furnace enter the feeding port through the discharging section 13, realizing the conveying of the raw materials of the electric arc furnace.

[0034] Embodiment 2:

[0035] Refer to Figure 2 In the raw material conveying device of the electric arc furnace in this embodiment, on the basis of Embodiment 1, the discharging section 13 is set as a converging structure.

[0036] In this embodiment, the blanking section 13 is arranged in a converging structure, so that the raw materials of the electric arc furnace on the conveyor belt 21 are concentrated and converged when falling onto the blanking section 13, reducing the scattering and splashing of the raw materials of the electric arc furnace during the falling process, improving the utilization rate and conveying efficiency of the raw materials of the electric arc furnace. At the same time, the converging structure helps to guide the flow direction of the raw materials of the electric arc furnace, enabling the raw materials of the electric arc furnace to smoothly enter the feeding port, and reducing blockage or failure caused by the scattering or direction deviation of the raw materials of the electric arc furnace.

[0037] Embodiment 3:

[0038] Referring to Figure 1 and Figure 3 In this embodiment of the raw material conveying device of the electric arc furnace, the dust removal assembly 3 further includes a second sweeper 33 and a second mounting seat. The second sweeper 33 is arranged in a staggered manner with the first sweeper 32, and the cleaning end of the second sweeper 33 contacts the outer surface of the return side of the conveyor belt 21 at the barrel wall of the first discharge roller 22 or the second discharge roller 23; the second mounting seat is installed on the moving frame 1, and the second sweeper 33 is connected to the moving frame 1 through the second mounting seat. In this embodiment, the second sweeper 33 is a commercially available belt sweeper.

[0039] In this embodiment, the second sweeper 33 is provided. After the raw materials of the electric arc furnace are discharged, the second sweeper 33 initially sweeps the outer surface of the return side of the conveyor belt 21 at the barrel wall of the first discharge roller 22 or the second discharge roller 23 to remove most of the dust adhering to the outer surface of the return side of the conveyor belt, and then the first sweeper 32 performs a secondary sweep on the outer surface of the return side of the conveyor belt 21 to remove a small amount of dust adhering to the outer surface of the return side of the conveyor belt 21. Through the mutual cooperation of the first sweeper 32 and the second sweeper 33, the dust removal effect of the conveyor belt 21 is improved.

[0040] Embodiment 4:

[0041] Referring to Figure 1 and Figure 3 In this embodiment of the raw material conveying device of the electric arc furnace, on the basis of Embodiment 3, the dust removal assembly 3 further includes a third sweeper 34 and a third mounting seat. The third sweeper 34 is connected to the support frame, and the cleaning end of the third sweeper 34 contacts the inner surface of the return side of the conveyor belt 21; the third mounting seat is installed on the support frame, and the third sweeper 34 is connected to the support frame through the third mounting seat. In this embodiment, the third sweeper 34 is a commercially available belt sweeper.

[0042] In this embodiment, the third sweeper 34 is arranged to contact the inner surface of the return side of the conveyor belt 21, so that the third sweeper 34 sweeps the attachments on the inner surface of the return side of the conveyor belt 21, preventing the accumulation of dust between the conveyor belt 21 and the first discharge roller 22 or between the conveyor belt 21 and the second discharge roller 23, thereby avoiding damage to the first discharge roller 22 and the second discharge roller 23 and ensuring the stable operation of the raw material conveying device for the calcium carbide furnace.

[0043] Embodiment 5:

[0044] Referring to Figure 1 and Figure 2 In this embodiment, the raw material conveying device for the calcium carbide furnace further includes a sealing assembly 4, and the sealing assembly 4 includes a sealing cover 41. The sealing cover 41 covers the upper parts of the material conveying section 12 and the material discharging section 13 for blocking the dust in the material conveying section 12 and the material discharging section 13. The sealing cover 41 is fixedly connected to the material conveying section 12 and the material discharging section 13. Both ends of the sealing cover 41 are open, and a transportation cavity for transporting the raw materials of the calcium carbide furnace is formed between the sealing cover 41 and the material conveying section 12 and the material discharging section 13.

[0045] In this embodiment, by arranging the sealing cover 41 on the material conveying section 12 and the material discharging section 13, the dust overflow during the transportation of the raw materials of the calcium carbide furnace is reduced, and the dust removal effect of the raw material conveying device for the calcium carbide furnace is improved.

[0046] Embodiment 6:

[0047] Referring to Figure 1 and Figure 2 In this embodiment, on the basis of Embodiment 5, the sealing assembly 4 of the raw material conveying device for the calcium carbide furnace further includes a dust curtain. The dust curtain is connected to the end of the sealing cover 41.

[0048] In this embodiment, by arranging the dust curtain at the end of the sealing cover 41, the dust overflow during the discharging process of the raw materials of the calcium carbide furnace is reduced, and the dust removal effect of the raw material conveying device for the calcium carbide furnace is further improved.

[0049] Embodiment 7:

[0050] Referring to Figure 1 In this embodiment, on the basis of Embodiment 6, a feeding port 11 is formed on the sealing cover 41 located above the material conveying section 12 of the raw material conveying device for the calcium carbide furnace.

[0051] In this embodiment, by forming the feeding port 11 on the sealing cover 41 located above the material conveying section 12, it is convenient for the raw materials of the calcium carbide furnace to be conveyed to fall onto the conveyor belt 21, and the conveying efficiency of the raw materials of the calcium carbide furnace is improved.

[0052] The working principle of a raw material conveying device for an electric calcium carbide furnace of the present utility model is as follows: The operator turns on the driving member and makes the driving member rotate forward or backward according to actual needs, and then the driving member drives the first discharging roller 22, the conveyor belt 21 and the second discharging roller 23 to rotate synchronously; the raw materials of the electric calcium carbide furnace fall onto the conveyor belt 21 through the feeding port 11 and move along with the conveyor belt 21; then a force is applied to the moving frame body 1, and the moving frame body 1 moves and transports the raw materials of the electric calcium carbide furnace to the required position; when the moving frame body 1 moves to the required feeding port position, the raw materials of the electric calcium carbide furnace enter the feeding port through the discharging section 13, realizing the conveying of the raw materials of the electric calcium carbide furnace.

[0053] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A calcium carbide furnace raw material conveying device, comprising a mobile frame (1) and a conveying assembly (2), wherein the conveying assembly (2) is mounted on the mobile frame (1) and is used to convey the calcium carbide furnace raw material, characterized in that: The calcium carbide furnace raw material conveying device further comprises a dust removal component (3), wherein the dust removal component (3) comprises a dust removal fan (31) and a first sweeper (32); The dust removal fan (31) is connected to the movable frame (1) and is used to absorb dust suspended above the conveying component (2); The first sweeper (32) is connected to the conveying component (2), and the cleaning end of the first sweeper (32) is in contact with the return side of the conveying component (2), wherein the return side of the conveying component (2) refers to the part of the conveying component (2) that returns to the starting point of transportation after the calcium carbide furnace raw materials are unloaded.

2. The raw material conveying device for calcium carbide furnace according to claim 1 is characterized in that: The conveying assembly (2) comprises a conveying belt (21), a first discharge roller (22), a second discharge roller (23), a driving member and a supporting frame; The support frame is connected to the movable frame (1), and the first sweeper (32) is connected to the support frame; The first unloading roller (22) and the second unloading roller (23) are respectively mounted on two ends of the support frame, and the first unloading roller (22) and the second unloading roller (23) are both rotatably connected to the support frame; The conveyor belt (21) is wound around the outer circumference of the first discharge roller (22) and the second discharge roller (23), and the return side of the conveyor belt (21) is located between the support frame and the movable frame (1), and the cleaning end of the first cleaner (32) is in contact with the outer surface of the return side of the conveyor belt (21); The driving member is connected to the support frame, and the output end of the driving member is coaxially connected to the first discharge roller (22) for driving the first discharge roller (22) to rotate.

3. The raw material conveying device for calcium carbide furnace according to claim 2 is characterized in that: The dust removal assembly (3) further comprises a second cleaner (33) which is arranged offset from the first cleaner (32); The second cleaner (33) is connected to the movable frame (1), and the cleaning end of the second cleaner (33) contacts the outer surface of the return side of the conveyor belt (21) at the wall of the first discharge roller (22) or the second discharge roller (23).

4. The calcium carbide furnace raw material conveying device according to claim 3 is characterized in that: The dust removal assembly (3) further comprises a third sweeper (34); The third cleaner (34) is connected to the support frame, and the cleaning end of the third cleaner (34) contacts the inner surface of the return side of the conveyor belt (21).

5. The raw material conveying device for calcium carbide furnace according to claim 1 is characterized in that: The movable frame (1) comprises a material conveying section (12), a material discharge section (13) connected to both ends of the material conveying section (12), and a movable end (14) connected below the material conveying section (12); The conveying assembly (2) is installed on the feeding section (12) and has two ends extending to the unloading section (13).

6. The raw material conveying device for calcium carbide furnace according to claim 5, characterized in that: It also includes a sealing assembly (4), wherein the sealing assembly (4) includes a sealing cover (41); The sealing cover (41) is covered above the feeding section (12) and above the unloading section (13) and is used to block dust in the feeding section (12) and the unloading section (13).

7. The raw material conveying device for calcium carbide furnace according to claim 6 is characterized in that: The sealing assembly (4) also includes a dust curtain; The dust-proof curtain is connected to the end of the sealing cover (41).

8. The calcium carbide furnace raw material conveying device according to claim 5, characterized in that: A sealing baffle (131) is provided at one end of the unloading section (13) away from the feeding section (12).

9. The calcium carbide furnace raw material conveying device according to claim 5, characterized in that: The material discharge section (13) is configured as a closing structure.

10. The calcium carbide furnace raw material conveying device according to claim 6, characterized in that: A feeding port (11) is provided on the sealing cover (41) located above the feeding section (12).

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