Flue gas collecting device for calcining furnace

Abstract

The utility model belongs to the technical field of flue gas collection, and particularly discloses a calcining furnace flue gas collecting device which comprises a shell, an inner plate is fixedly connected to the inner wall of the shell, a filtering mechanism and a vibrating mechanism are arranged in the inner plate, the vibrating mechanism is matched with the filtering mechanism, and the vibrating mechanism is arranged in the shell. The vibration mechanism comprises a driving motor fixedly installed, the output end of the driving motor is fixedly connected with a gear, the interior of the top end of the inner plate is rotationally connected with a vibration plate, the outer surface of the vibration plate is fixedly connected with a gear ring, the bottom end of the vibration plate is fixedly connected with a plurality of inclined plates, and the gear is meshed with the gear ring; smoke dust left by the filtering mechanism can be shaken off through the vibration mechanism, the smoke dust is collected, the smoke dust can be recycled, resource waste is avoided, and the smoke dust can be prevented from being discharged into the atmosphere along with smoke to cause environmental pollution.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of flue gas collection, and particularly relates to a calcining furnace flue gas collection device. BACKGROUND

[0002] The calcining furnace is a kind of thermal equipment for heat treatment of carbon raw materials (such as coke, anthracite, etc.) at high temperature to improve the performance of raw materials, and is used for iron making, recovery of rare metals, catalyst production, environmental improvement and production of special chemical products.

[0003] The calcining furnace produces a large amount of flue gas in the production process, and the flue gas is mixed with smoke dust containing heavy metals and various valuable elements, and the current flue gas collection device is difficult to collect the metal dust, thereby causing environmental pollution. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a calcining furnace flue gas collection device.

[0005] To achieve the above purpose, the utility model provides a calcining furnace flue gas collection device, which comprises a shell, the inner wall of the shell is fixedly connected with an inner plate, the inner plate is internally provided with a filtering mechanism and a vibration mechanism, the vibration mechanism and the filtering mechanism are mutually matched, the vibration mechanism comprises a driving motor fixedly installed, the output end of the driving motor is fixedly connected with a gear, the inner end of the top of the inner plate is rotatably connected with a vibration plate, the outer surface of the vibration plate is fixedly connected with a gear ring, the filtering mechanism is provided with an elastic piece between the bottom end in the inner plate and the inner plate, the bottom end of the vibration plate is fixedly connected with a plurality of inclined plates, and the gear is engaged with the gear ring.

[0006] In the above technical scheme, further, the filtering mechanism comprises a filter screen housing slidingly connected in the inner plate, the outer surface of the bottom end of the filter screen housing is fixedly installed with a filter screen, and the top end of the filter screen housing is fixedly connected with a plurality of top columns.

[0007] In the above technical scheme, further, the inner plate is internally provided with a plurality of sliding grooves, the outer surface of the filter screen housing is fixedly connected with a plurality of sliding blocks, the sliding blocks are located in the sliding grooves and make the filtering mechanism and the inner plate in a sliding connection state.

[0008] In the above technical scheme, further, the bottom end of the shell is fixedly installed with a collection box, the outer surface of the bottom end of the shell is provided with a smoke inlet, the top end of the shell is fixedly installed with a top housing through screw threads, and the top end of the top housing is fixedly connected with a smoke outlet.

[0009] In the above technical scheme, further, the inner wall of the top shell is fixedly connected with a wind grid, the inside of the wind grid is fixedly connected with a fan, and the output end of the fan is fixedly connected with a fan.

[0010] In the above technical scheme, further, the top column is attached to the inclined plate, the vibration plate is annular, and the filter screen shell is a barrel with a closed bottom and an open top.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] 1. The vibration mechanism can shake off the dust left by the filtering mechanism, collect the dust, recycle the dust to avoid resource waste, and prevent the dust from being discharged into the atmosphere with the flue gas to cause environmental pollution.

[0013] 2. The vibration mechanism shakes off the dust, which can clean the filter screen, prevent the filter screen from being blocked by the dust, ensure the flue gas passing efficiency, and improve the flue gas collection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The present application provides a kind of calcining furnace flue gas collection device overall structure schematic view;

[0015] Figure 2 The present application provides a kind of calcining furnace flue gas collection device overall structure sectional view;

[0016] Figure 3 The present application provides a kind of calcining furnace flue gas collection device upper half structure sectional view;

[0017] Figure 4 The present application provides a kind of calcining furnace flue gas collection device filtering mechanism structure schematic view;

[0018] Figure 5 The present application provides a kind of calcining furnace flue gas collection device vibration mechanism structure schematic view.

[0019] In the drawing: 1, shell;2, collection box;3, smoke inlet;4, top shell;5, smoke outlet;6, wind grid;7, fan;8, fan;9, inner plate;10, sliding slot;11, filter screen shell;12, sliding block;13, top column;14, filter screen;15, driving motor;16, gear;17, vibration plate;18, gear ring;19, inclined plate;20, elastic member. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above purposes, features and advantages of the present application, the present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0021] As shown in Figure 1 - Figure 5 The calcining furnace flue gas collecting device shown in the figure, including the shell 1, the inner wall of the shell 1 is fixedly connected with the inner plate 9, the inside of the inner plate 9 is provided with a filtering mechanism and a vibration mechanism, the vibration mechanism and the filtering mechanism are matched with each other, the vibration mechanism includes a driving motor 15 fixedly installed, the output end of the driving motor 15 is fixedly connected with a gear 16, the inside of the top end of the inner plate 9 is rotatably connected with a vibration plate 17, the outer surface of the vibration plate 17 is fixedly connected with a gear ring 18, the bottom end of the vibration plate 17 is fixedly connected with a plurality of inclined plates 19, the filtering mechanism is located between the bottom end of the inside of the inner plate 9 and the inner plate 9 and is provided with an elastic element 20, the gear 16 is engaged with the gear ring 18, driven by the vibration mechanism, and the filtering mechanism can vibrate under the driving of the vibration mechanism by the elasticity of the elastic element 20 itself, so that the metal dust filtered by the filtering mechanism is shaken off, so that the metal dust falls into the collecting box 2, the metal dust is collected, and the metal dust is prevented from being discharged into the atmosphere with the flue gas, causing environmental pollution.

[0022] The filtering mechanism includes a filter screen housing 11 slidably connected in the inside of the inner plate 9, a filter screen 14 is fixedly installed on the outer surface of the bottom end of the filter screen housing 11, a plurality of top columns 13 are fixedly connected to the top end of the filter screen housing 11, the filter screen 14 can block the dust in the flue gas, prevent the dust from being discharged with the flue gas, recycle the metal elements, save metal resources, and prevent the metal elements from causing environmental pollution.

[0023] A plurality of sliding grooves 10 are arranged in the inside of the inner plate 9, a plurality of sliding blocks 12 are fixedly connected to the outer surface of the filter screen housing 11, the sliding blocks 12 are located in the inside of the sliding grooves 10 and make the filtering mechanism and the inner plate 9 in a sliding connection state, the sliding grooves 10 can provide a vibration space for the filter screen housing 11, and the filter screen housing 11 is limited by the sliding grooves 10 to prevent the filter screen housing 11 from falling off and losing the function of filtering dust.

[0024] The bottom end of the shell 1 is fixedly installed with a collecting box 2, the outer surface of the bottom end of the shell 1 is provided with an air inlet 3, the air inlet 3 is connected with the calcining furnace through a flange, and then the flue gas is conveyed into the shell 1 by using an air extractor, so as to collect the flue gas generated during the operation of the calcining furnace, the top end of the shell 1 is provided with a top housing 4 through screwing, the top end of the top housing 4 is fixedly connected with an air outlet 5, and the air outlet 5 can discharge the purified flue gas.

[0025] The inner wall of the top housing 4 is fixedly connected with a wind grid 6, the inside of the wind grid 6 is fixedly connected with a fan 7, the output end of the fan 7 is fixedly connected with a fan 8, the fan 7 drives the fan 8 to rotate, generates suction force, and sucks the flue gas upward, which is convenient for the flue gas to pass through the filter screen 14 for filtering and can also play a role in discharging the flue gas.

[0026] The top column 13 is attached to the inclined plate 19, the vibration plate 17 is annular, the purified flue gas will pass through the annular port of the vibration plate 17 and be discharged, and the filter screen housing 11 is a barrel with a closed bottom and an open top, and the closed bottom ensures that the flue gas can only be discharged through the filter screen 14.

[0027] Working principle: first, the flue gas inlet 3 is connected to the flue gas outlet of the calcination furnace by the flange, when the calcination furnace discharges flue gas, it will enter the shell 1 through the flue gas inlet 3, then under the action of the fan 7, the flue gas will rise in the shell 1, and then be purified through the filter screen 14, the dust will be filtered by the filter screen 14 and stay on the surface of the filter screen 14, then the purified flue gas can be discharged from the flue gas outlet 5, when the device does not work, the driving motor 15 can be started to drive the gear 16 to rotate, through the meshing of the gear 16 and the gear ring 18, the vibration plate 17 will be driven to rotate, and the inclined plate 19 will continuously act on the top column 13, so that the filter mechanism moves up and down in the inner plate 9 to produce vibration, thereby shaking off the dust on the surface of the filter screen 14, the shaken-off dust will fall into the collecting box 2, which can ensure the filtering effect of the filter screen 14 and the collection efficiency of the flue gas, and can also recycle the dust to avoid resource waste.

[0028] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A calcining furnace fume collection device, comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected to an inner plate (9), and a filtering mechanism and a vibration mechanism are provided inside the inner plate (9). The vibration mechanism cooperates with the filtering mechanism. The vibration mechanism includes a member fixedly mounted on a driving motor (15), and the output end of the driving motor (15) is fixedly connected to a gear (16). The top of the inner plate (9) is internally rotatably connected to a vibration plate (17), and the outer surface of the vibration plate (17) is fixedly connected to a gear ring (18). The bottom end of the vibration plate (17) is fixedly connected to a plurality of inclined plates (19). The filtering mechanism is located at the bottom end inside the inner plate (9) and is provided with an elastic member (20) between the inner plate (9) and the inner plate (9), and the gear (16) is meshed with the gear ring (18).

2. A calcining furnace fume collection device according to claim 1, characterized in that: The filtering mechanism comprises a filter housing (11) slidably connected to the interior of the inner plate (9), a filter (14) is fixedly mounted on the outer surface of the bottom end of the filter housing (11), and a plurality of top columns (13) are fixedly connected to the top end of the filter housing (11).

3. The calcining furnace fume collection device according to claim 2, characterized in that: A plurality of slide grooves (10) are provided inside the inner plate (9), and a plurality of sliders (12) are fixedly connected to the outer surface of the filter housing (11). The sliders (12) are located inside the slide grooves (10) and enable the filter mechanism to be in a sliding connection with the inner plate (9).

4. The calcining furnace fume collection device according to claim 1, characterized in that: A collection box (2) is fixedly mounted on the bottom end of the shell (1), a smoke inlet (3) is provided on the outer surface of the bottom end of the shell (1), a top shell (4) is threadedly mounted on the top end of the shell (1), and a smoke outlet (5) is fixedly connected to the top end of the top shell (4).

5. The calcining furnace fume collection device according to claim 4, characterized in that: The inner wall of the top shell (4) is fixedly connected to a wind grid (6), the interior of the wind grid (6) is fixedly connected to a fan (7), and the output end of the fan (7) is fixedly connected to a fan (8).

6. The calcining furnace fume collection device according to claim 2, characterized in that: The top column (13) is fitted with the inclined plate (19), the vibration plate (17) is ring-shaped, and the filter housing (11) is barrel-shaped with a closed bottom and an open top.

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