Rapid dust falling structure for calcining kiln

Abstract

The utility model relates to a quick dust falling structure for a calcining kiln, which comprises a bell jar cylinder, an electric gate valve arranged at the upper end of the bell jar cylinder, array blowpipes uniformly arranged in the bell jar cylinder, mist spraying devices uniformly arranged in the bell jar cylinder, a smoke discharging cylinder arranged on one side of the bell jar cylinder, an electromagnetic chimney valve arranged on the smoke discharging cylinder, and a dust falling device arranged on the electromagnetic chimney valve. A dragon suction cylinder is arranged above the bell jar cylinder, a spiral guide vane is arranged in the dragon suction cylinder, a hygrometer and an anemometer are further arranged in the bell jar cylinder, and a dust collection box is arranged on the outer side of the bell jar cylinder. The array blowpipes are evenly distributed in the bell jar cylinder, it can be guaranteed that vortex-shaped airflow suction force can be formed during dust collection of the dragon suction cylinder to conduct dust collection operation, the dust collection range is large, the dust collection efficiency is high, the dragon suction cylinder or the smoke exhaust cylinder can be selected to conduct dust collection mode switching according to actual use scenes, and the dust collection effect is good. And the dust collecting box is used for uniformly collecting the sucked dust, so that the dust is prevented from flying and escaping, and the environmental protection property is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to graphite calcination technical field, especially related to a quick dust falling structure for calcination kiln. BACKGROUND

[0002] Graphite can eliminate impurities and improve its physical and chemical properties after calcination treatment by calcination kiln. Under high temperature, the arrangement of internal crystal lattice of graphite material becomes more regular after reaction with oxygen or oxide, and impurities are decomposed or volatilized. When the impurities or oxides in the furnace are completely removed, a large amount of dust will be raised when the furnace door is opened and closed, and a large amount of dust will be raised before and after charging and discharging, which will pollute the workshop environment.

[0003] The prior art discloses a dust collecting device for polishing powder calcination kiln discharge port, and the disclosure number is CN206464324U. Although the dust suction port of the dust removal cover is inclined to realize top suction and side suction, only the dust near the dust suction port can be sucked away, the dust suction range is small, and the dust suction efficiency is low. Moreover, the dust suction by the dust removal cover is difficult to be collected by the conveying structure of the pipeline assembly, and the environmental protection performance is poor. UTILITY MODEL CONTENT

[0004] The present application provides a kind of quick dust falling structure for calcination kiln, to solve the technical problems of small dust suction range, low dust suction efficiency and the dust absorption cannot be collected centrally.

[0005] The utility model solves the above-mentioned technical problems by adopting the technical scheme of a kind of quick dust falling structure for calcination kiln, characterized by comprising:

[0006] Bell jar cylinder, the bell jar cylinder upper end is provided with electric plug-in valve, the bell jar cylinder inside is uniformly provided with array air pipe;

[0007] Point fogger, uniformly placed in the bell jar cylinder inside;

[0008] Smoke exhaust pipe, placed in one side of the bell jar cylinder, the smoke exhaust pipe is provided with electromagnetic chimney valve;

[0009] Dragon suction cylinder, placed in the upper of the bell jar cylinder and communicated with the bell jar cylinder by the electric plug-in valve, the dragon suction cylinder is provided with spiral guide vane;

[0010] The bell jar cylinder is also provided with hygrometer and anemometer, and the bell jar cylinder outside is provided with dust collecting box.

[0011] Preferably, the number of the array of blowing pipes is multiple, the angle of inclination of the multiple array of blowing pipes is the same, and the multiple array of blowing pipes is arranged in a circular arrangement in the same direction, and the direction of inclination of the array of blowing pipes is the same as the direction of rotation of the spiral guide vane.

[0012] Preferably, the array of blowing pipes is inclined upward, and the angle between the array of blowing pipes and the horizontal line is 22°.

[0013] Preferably, the angle between the array of blowing pipes arranged in a circular direction and the extension line of the center of the circle is 20°.

[0014] Preferably, the number of the point fogger is multiple, each of the point foggers is provided with a spray pipe, the outside of the dust collecting box is provided with a booster water tank, the booster water tank is provided with a booster pump, an electromagnetic water valve is arranged between the spray pipe and the booster pump, and the booster pump is connected to the point fogger through the spray pipe.

[0015] Preferably, a through pipeline is arranged between the dragon suction cylinder and the dust collecting box, and a rubber mat curtain valve is arranged at the communication part of the through pipeline and the dust collecting box.

[0016] Preferably, an axial flow fan is arranged at the exhaust port of the dust collecting box, and the pipeline of the axial flow fan forms an air flow passage between the dust collecting box, the through pipeline, the dragon suction cylinder and the bell jar cylinder.

[0017] Preferably, a dust filtering net is arranged between the dust collecting box and the axial flow fan, the dust filtering net is a filter screen type, and the number of the dust filtering net is multiple.

[0018] Preferably, the smoke exhaust cylinder communicates the bell jar cylinder and the dust collecting box, and the electromagnetic chimney valve on the smoke exhaust cylinder opens or closes the pipeline of the smoke exhaust cylinder.

[0019] Preferably, a blower and a controller are further arranged in sequence outside the bell jar cylinder, the blower is in pipeline communication with the array of blowing pipes, and the controller is electrically connected with the electric plug-in valve, the electromagnetic chimney valve, the point fogger, the hygrometer and the anemometer.

[0020] The utility model discloses beneficial effect is: the utility model discloses the clock bell jar cylinder is placed in the outside of calcining kiln, and the dust overflowed of calcining kiln can form the gas vortex of vortex flow through the uniform same phase arrangement of multiple array blow pipe in clock bell jar cylinder and carry out dust absorption, and carry out the quick discharge through the dragon suction cylinder, and the range of dust absorption is big, and the dust absorption efficiency is high, and the dusting effect of cooperation point fogger is sprayed water mist is extremely good, and the dust suction can be unified collection through dust collection box, avoids the flying of dust and escapes, and the environmental protection is better, in addition, when the smoke exhaust pipe dust absorption can also collect dust through dust collection box, guarantees that the user can select the dust absorption mode of suitable dust absorption through different scenes, and the switching of controller control smoke exhaust pipe or dragon suction cylinder carries out dust absorption is relatively simple, and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the main view structural schematic diagram of the utility model discloses;

[0022] Figure 2 It is the Figure 1 The schematic diagram of A place partial enlargement of the utility model discloses;

[0023] Figure 3 It is the bottom view schematic diagram of the clock bell jar cylinder of the utility model discloses;

[0024] Figure 4 It is the schematic diagram of embodiment 1 of the utility model discloses;

[0025] Figure 5 It is the schematic diagram of embodiment 2 of the utility model discloses;

[0026] In the drawing: 1 clock bell jar, 11 electric plug-in valve, 2 array blow pipe, 21 air blower, 22 horizontal line, 3 point fogger, 31 spray pipe, 32 booster water tank, 33 booster pump, 331 electromagnetic water valve, 4 smoke exhaust pipe, 41 electromagnetic chimney valve, 5 dragon suction cylinder, 51 spiral guide vane, 52 through pipe, 53 rubber mat curtain valve, 6 humidity meter, 7 anemometer, 8 dust collection box, 81 exhaust port, 82 axial flow fan, 83 dust screen, 9 controller. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0028] The technical solutions of the utility model will be described clearly and completely below in conjunction with the drawings, and obviously, the described embodiments are 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 creative labor belong to the scope of protection of the utility model.

[0029] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "connection", "connect" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope required by the utility model.

[0032] In the following, the utility model will be further described in combination with the drawings:

[0033] Referring to Figures 1 to 5 The utility model provides a kind of quick dust falling structure for calcining kiln, it includes: bell jar barrel 1, array air blowing pipe 2, point fogger 3, smoke exhaust pipe 4, dragon suction barrel 5, hygrometer 6, anemometer 7, dust collection tank 8 and controller 9.

[0034] In the following, the utility model will be further described in combination with the drawings:

[0035] In combination with Figures 1 to 3As shown, the upper end of the bell jar cylinder 1 is sequentially provided with an electric plug valve 11 and a dragon suction cylinder 5, the bell jar cylinder 1 is an ancient circular or conical large bell, the dragon suction cylinder 5 is a horn mouth-shaped cylindrical cylinder, the dragon suction cylinder 5 is communicated with the bell jar cylinder 1 through the electric plug valve 11, the cylindrical cylinder of the dragon suction cylinder 5 is provided with a spiral guide vane 51, the inside of the bell jar cylinder 1 is uniformly provided with an array of blowing pipes 2, the inclination direction of the array of blowing pipes 2 is the same as the direction of the spiral direction of the spiral guide vane 51, which is left-handed or right-handed direction. The outside of the bell jar cylinder 1 is provided with a dust collecting box 8, a through pipe 52 is arranged between the dragon suction cylinder 5 and the dust collecting box 8, the end of the cylindrical cylinder of the dragon suction cylinder 5 is communicated with the dust collecting box 8 in a pipe way through the through pipe 52, a rubber mat curtain valve 53 is arranged at the communication position of the through pipe 52 and the dust collecting box 8, the rubber mat curtain valve 53 is a plate-shaped valve made of rubber material and covers the hole between the through pipe 52 and the dust collecting box 8, the upper end of the rubber mat curtain valve 53 is bolted to the dust collecting box 8 to form a door curtain type installation connection, when the through pipe 52 flows into the dust collecting box 8, the rubber mat curtain valve 53 is lifted by the air flow to ensure smooth air flow into the dust collecting box 8; when there is no air flow in the through pipe 52, the rubber mat curtain valve 53 is covered by the natural gravity at the hole between the through pipe 52 and the dust collecting box 8; when the pressure in the dust collecting box 8 is higher than that in the through pipe 52, the rubber mat curtain valve 53 will block the air flow in the dust collecting box 8 to the through pipe 52. An axial flow fan 82 is arranged at the exhaust port 81 of the dust collecting box 8, the pipeline of the axial flow fan 82 forms an air flow passage between the dust collecting box 8, the through pipe 52, the dragon suction cylinder 5 and the bell jar cylinder 1. A dust screen 83 is arranged between the dust collecting box 8 and the axial flow fan 82, the dust screen 83 is an air filter screen in an extracted and replaced type, the number of the dust screen 83 is multiple, multiple dust screens 83 are arranged in parallel in a spaced manner to ensure that the axial flow fan 82 does not suck a large amount of dust, effectively ensuring that the dust collecting box 8 can collect dust. The bell jar cylinder 1, the through pipe 52, the dust collecting box 8 and the axial flow fan 82 can be installed and fixed by hoisting.

[0036] One side of the bell jar cylinder 1 can be provided with a smoke exhaust cylinder 4, an electromagnetic chimney valve 41 can be arranged on the pipeline of the smoke exhaust cylinder 4 to control the opening and closing of the pipeline; the smoke exhaust cylinder 4 communicates the bell jar cylinder 1 and the dust collecting box 8, the pipeline of the axial flow fan 82 forms an air flow passage between the dust collecting box 8, the smoke exhaust cylinder 4 and the bell jar cylinder 1. That is, when the bell jar cylinder 1 is working, the dragon suction cylinder 5 and the smoke exhaust cylinder 4 can select the suitable calcining kiln use scene to perform dust collection through two kinds of dust collection paths.

[0037] Example 1

[0038] Referring to Figures 1 to 4 , Figure 4 is a schematic diagram of the airflow flow when the exhaust chimney 4 is performing the dust collection operation, at this time, the electric plug valve 11 of the dragon suction tube 5 is closed, there is no airflow flow in the dragon suction tube 5 and the through pipeline 52, the axial flow fan 82 is opened, the airflow is sucked from the bell jar tube 1 and enters the dust collection box 8 through the exhaust chimney 4, the electromagnetic chimney valve 41 is in an open state of the open state, the rubber mat curtain valve 53 is in a closed state, the dust in the dust collection box 8 is blocked and filtered by the dust screen 83 and stays in the dust collection box 8, the airflow in the dust collection box 8 is discharged by the exhaust port 81 through the dust screen 83.

[0039] Example 2

[0040] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 , Figure 5It is the schematic diagram of air flow when the dragon suction cylinder 5 carries out dust suction operation, the array air blowing pipe 2 is uniformly arranged in the inside of the bell jar cylinder 1, the number of the array air blowing pipe 2 is multiple, the outside of the bell jar cylinder 1 is also provided with the air blower 21, the air blower 21 is in pipeline communication with each array air blowing pipe 2, the angle of inclination of multiple array air blowing pipes 2 is the same, the array air blowing pipe 2 is in the form of upward inclination, the included angle between the array air blowing pipe 2 and the horizontal line 22 is 22°; Multiple array air blowing pipes 2 are distributed in the form of annular arrangement in the same direction, the included angle between the array air blowing pipe 2 and the extension line of the circle center in the annular direction is 20°, the inclination direction of the array air blowing pipe 2 is the same as the direction of the rotation direction of the spiral blade of the spiral guide vane 51, which is left-handed or right-handed. When the electric plug-in valve 11 of the dragon suction cylinder 5 is opened, the electromagnetic chimney valve 41 of the smoke exhaust cylinder 4 is in the closed state, there is no air flow through the smoke exhaust cylinder 4, the air flow sucked by the bell jar cylinder 1 passes through the dragon suction cylinder 5, the through pipe 52, the dust collecting box 8 and the axial flow fan 82, and is discharged by the exhaust port 81. At this time, multiple array air blowing pipes 2 in the same direction and spiral inclined distribution can blow out air flow at the same time, so that the air flow sucked by the bell jar cylinder 1 is in the form of spiral tornado-like air flow, which can ensure the enhancement of the suction force of the air flow sucked by the bell jar cylinder 1, avoid the escape of dust everywhere, the dust suction effect of the bell jar cylinder 1 is excellent, and the air flow speed is slowed down by the spiral blade of the spiral guide vane 51 in the same rotation direction and the air flow in the through pipe 52 can push the rubber mat curtain valve 53 to open. The rubber mat curtain valve 53 can also slow down the air flow speed and guide the air flow into the dust collecting box 8, the air flow in the dust collecting box 8 is discharged by the exhaust port 81 through the dust screen 83, the dust in the dust collecting box 8 is blocked and filtered by the dust screen 83 and is uniformly collected in the dust collecting box 8.

[0041] Example 3

[0042] Refer to Figures 1 to 5The bell jar 1 is arranged above the furnace door of the calcination kiln where dust is easily raised, and the dust overflowed from the furnace door of the calcination kiln can be formed into a vortex-shaped gas vortex to be sucked by the vortex-shaped array of the array blow pipes 2 arranged in the bell jar 1, and then be quickly discharged through the dragon suction cylinder 5, so that the dust suction range is large, the dust suction efficiency is high, the dust is removed by the water mist sprayed by the point fogger 3, the dust suction effect is excellent, the sucked dust can be uniformly collected through the dust collection box 8, the dust flying and escaping is avoided, the environmental protection performance is good, and the controller 9 can also control the two dust suction modes of the two dust suction paths of the smoke exhaust cylinder 4 and the dragon suction cylinder 5 to perform the dust suction operation, and the power of the axial flow fan 82 and other devices can be increased or reduced according to the feedback data of the humidity meter 6 and the anemometer 7, so that the user can select a suitable dust suction mode to perform the dust suction through different scenes, and the controller 9 controls the switching of the dust suction of the smoke exhaust cylinder 4 and the dragon suction cylinder 5, which is simple and convenient to use.

[0043] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A quick dusting structure for a calcination kiln, characterized by, The utility model provides a kind of smoke exhaust device, including: Bell jar tube, the upper end of the bell jar tube is provided with electric plug-in valve, the inside of the bell jar tube is uniformly provided with array air pipe; Point fogger, uniformly placed in the inside of the bell jar tube; Smoke exhaust tube, placed in one side of the bell jar tube, the smoke exhaust tube is provided with electromagnetic chimney valve on it; Dragon suction tube, placed above the bell jar tube and communicated with the bell jar tube by the electric plug-in valve, the spiral guide vane is arranged in the dragon suction tube; The bell jar tube is also provided with hygrometer and anemometer, and the outside of the bell jar tube is provided with dust collection tank.

2. The quick dust-settling structure for a calcination kiln according to claim 1, characterized in that: The number of the array air pipe is multiple, the inclination angle of multiple array air pipes is the same, multiple array air pipes are distributed in the same direction in the form of annular arrangement, and the inclination direction of the array air pipe is the same as the direction of the spiral guide vane.

3. The quick dusting structure for a calcination kiln according to claim 2, characterized in that: The array air pipe is inclined upward, and the included angle between the array air pipe and the horizontal line is 22°.

4. The quick dusting structure for a calcination kiln according to claim 2, characterized in that: The included angle between the array air pipe arranged in the annular direction and the extension line of the center of the circle is 20°.

5. The quick dusting structure for a calcination kiln according to claim 1, characterized in that: The number of the point fogger is multiple, each point fogger is provided with a spray pipe, the dust collection tank is provided with a booster water tank outside, the booster pump is arranged in the booster water tank, the electromagnetic water valve is arranged between the spray pipe and the booster pump, and the booster pump is connected with the point fogger through the spray pipe.

6. The quick dusting structure for a calcination kiln according to claim 1, characterized in that: The through pipeline is arranged between the dragon suction tube and the dust collection tank, and the rubber mat curtain valve is arranged at the communication position of the through pipeline and the dust collection tank.

7. The quick dusting structure for a calcination kiln according to claim 6, characterized in that: The dust collection tank is provided with an axial flow fan at the exhaust port, and the pipeline of the axial flow fan forms an air flow passage between the dust collection tank, the through pipeline, the dragon suction tube and the bell jar tube.

8. The quick dusting structure for a calcination kiln according to claim 7, characterized in that: The dust collection tank is provided with a dust screen between the dust collection tank and the axial flow fan, the dust screen is a filter screen, and the number of the dust screen is multiple.

9. The quick dusting structure for a calcination kiln according to claim 1, characterized in that: The smoke exhaust tube communicates the bell jar tube and the dust collection tank, and the electromagnetic chimney valve on the smoke exhaust tube opens or closes the pipeline of the smoke exhaust tube.

10. The quick dusting structure for a calcination kiln according to claim 1, characterized in that: The outside of the bell jar tube is also provided with a blower and a controller in sequence, the blower is connected with the array air pipe, and the controller is electrically connected with the electric plug-in valve, the electromagnetic chimney valve, the point fogger, the hygrometer and the anemometer.

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