Cloth bag dust removal mechanism of coal conveying equipment

Abstract

The utility model provides a cloth bag dust removal mechanism of coal conveying equipment, which comprises a bag type dust remover, a dust removal collecting hopper is arranged at the bottom of the bag type dust remover, one end of the dust removal collecting hopper is connected with a feeding pipe, a discharging assembly is arranged at an output port of the dust removal collecting hopper, one end of the feeding pipe is inserted into the dust removal collecting hopper, and the other end of the feeding pipe is connected with a discharging port of the dust removal collecting hopper. The device comprises a feeding pipe and is fixedly connected with a primary filter cartridge, one end, far away from the feeding pipe, of the primary filter cartridge is connected with a fine discharging pipe, a plurality of guide worm gear pieces are installed in the feeding pipe, a dispersing head and a partition plate are arranged in the primary filter cartridge, and a slag discharging pipe is arranged at the bottom of the primary filter cartridge. One end of the slag outlet pipe is communicated with the interior of the primary filter cartridge; according to the utility model, the preliminary filter cartridge is designed, so that coal dust entering the bag type dust collector can be preliminarily filtered, and heavy impurities are filtered, and are prevented from being excessively attached to the surface of a cloth bag, so that the dust removal pressure of the cloth bag is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal, in particular to a bag dust removal mechanism for coal conveying equipment. Background Art

[0002] Bag dust collectors are the most widely used and are used in many industrial sectors such as steel, nonferrous metallurgy, chemicals, machinery, building materials, electricity, light industry, textiles, food, transportation, etc. Coal conveyor bag dust collectors are equipment for processing coal dust. They can effectively filter and remove dust generated by the coal conveying system. Bag filters are used as core components to separate coal dust from air through filter bags to achieve the effect of dust removal.

[0003] The ash conveying device in the bag dust collector is mainly used to input coal dust into the dust removal mechanism, and then use the cloth bags in the dust collector to filter and remove dust. The coal ash contains some large particles of impurities, and the higher the oil content of the coal, the higher the oil quality of the corresponding fly ash. Therefore, the dust on the surface of the bag is easy to accumulate, and large particles of impurities are not easy to fall into the collecting hopper, which hinders the dust removal effect of the bag.

[0004] In summary, the utility model provides a bag dust removal mechanism for coal conveying equipment to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a bag dust removal mechanism for coal conveying equipment to solve the problem in the prior art that the fly ash contains some large particles of impurities, and the higher the oil content of the coal, the higher the oil quality contained in the corresponding fly ash. Therefore, the dust on the surface of the bag is easy to accumulate, and the large particles of impurities are not easy to fall into the collecting hopper, which hinders the dust removal effect of the bag.

[0006] A bag dust removal mechanism for coal conveying equipment comprises a bag dust collector, a dust collection hopper is installed at the bottom of the bag dust collector, one end of the dust collection hopper is connected to a feed pipe, a discharge assembly is installed at the output port of the dust collection hopper, one end of the feed pipe is inserted into the dust collection hopper and is fixedly connected to a preliminary filter cartridge, an end of the preliminary filter cartridge away from the feed pipe is connected to a fine discharge pipe, a plurality of guide worm gears are installed in the feed pipe, a dispersion head and an isolation plate are arranged in the preliminary filter cartridge, a slag discharge pipe is arranged at the bottom of the preliminary filter cartridge, one end of the slag discharge pipe is connected to the preliminary filter cartridge, and the other end is connected to the discharge assembly, and the side wall of the isolation plate is connected to the fine discharge pipe through a docking tube.

[0007] Furthermore, the discharge assembly includes independent discharge ports on both sides and a large particle discharge port in the middle, the independent discharge ports are respectively arranged on both sides of the large particle discharge port, and the independent discharge ports are respectively inclined, a slag discharge flange ring is installed at the large particle discharge port, and the slag discharge pipe is connected to the large particle discharge port.

[0008] Furthermore, the feed pipe and the fine discharge pipe are respectively connected to the preliminary filter cylinder, the dispersion head is arranged at one end of the preliminary filter cylinder close to the feed pipe, the end of the dispersion head close to the feed pipe is an arc structure, the dispersion head and the isolation plate are fixedly connected by a connecting rod, the connecting rods are arranged in a ring array, and a gap is arranged between the isolation plate and the inner wall of the preliminary filter cylinder.

[0009] Furthermore, the isolation plate has an annular structure, wherein the middle circular ring of the isolation plate is connected to the butt joint, and the outer ring of the isolation plate is connected to the dispersion head.

[0010] Furthermore, the guide worm gear pieces are arranged in a ring array along the inner wall of the feed pipe, and the guide worm gear pieces are arranged spirally.

[0011] Furthermore, the preliminary filter cartridge is arranged in the dust collection hopper, and the outer wall of the preliminary filter cartridge is fixedly connected to the inner wall of the dust collection hopper through reinforcing ribs.

[0012] Furthermore, the dust collection hopper is a hopper-shaped structure, and the preliminary filter cartridge is arranged on the top of the dust collection hopper.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model can preliminarily filter the coal dust entering the bag filter by designing a preliminary filter cartridge, filter out the heavier impurities, and prevent them from excessively adhering to the surface of the bag, thereby increasing the dust removal pressure of the bag.

[0015] 2. The utility model designs a bag-type dust collector. During filtering, the internal dust is discharged through independent discharge ports on both sides, and large particles of impurities and small particles of impurities are discharged separately. The guide worm gear is used to guide the dust gas input inward into a circular cyclone, and large particles of coal dust fall out of the slag pipe, thereby achieving the purpose of preliminary dust removal and reducing the dust removal pressure of the dust bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a three-dimensional diagram of the interior of the dust collection hopper of the utility model;

[0018] Figure 3 This is a three-dimensional diagram of the interior of the preliminary filter cartridge of the utility model;

[0019] Figure 4 It is a stereoscopic diagram of the guide worm gear of the utility model.

[0020] In the figure:

[0021] 1. Bag filter; 2. Dust collection hopper; 3. Feeding assembly; 4. Feeding pipe; 5. Slag discharge flange ring; 6. Slag discharge pipe; 7. Fine discharge pipe; 8. Preliminary filter cartridge; 9. Connecting rod; 10. Butt joint pipe; 11. Guide worm wheel; 12. Dispersing head; 13. Isolation plate. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1-4 As shown, the utility model provides a bag dust removal mechanism of a coal conveying equipment, including a bag dust collector 1, a dust collecting hopper 2 is installed at the bottom of the bag dust collector 1, one end of the dust collecting hopper 2 is connected to a feed pipe 4, a discharge assembly 3 is installed at the output port of the dust collecting hopper 2, one end of the feed pipe 4 is inserted into the dust collecting hopper 2, and is fixedly connected to a preliminary filter cartridge 8, an end of the preliminary filter cartridge 8 away from the feed pipe 4 is connected to a fine discharge pipe 7, a plurality of guide worm gears 11 are installed in the feed pipe 4, a dispersion head 12 and an isolation plate 13 are arranged in the preliminary filter cartridge 8, a slag discharge pipe 6 is arranged at the bottom of the preliminary filter cartridge 8, one end of the slag discharge pipe 6 is connected to the preliminary filter cartridge 8, and the other end is connected to the discharge assembly 3, and the side wall of the isolation plate 13 is connected to the fine discharge pipe 7 through a docking pipe 10.

[0024] As an embodiment of the utility model, the discharge assembly 3 includes independent discharge ports on both sides and a large particle discharge port in the middle. The independent discharge ports are respectively arranged on both sides of the large particle discharge port, and the independent discharge ports are respectively inclined. A slag discharge flange ring 5 is installed at the large particle discharge port, and a slag discharge pipe 6 is connected to the large particle discharge port.

[0025] As an embodiment of the utility model, the feed pipe 4 and the fine discharge pipe 7 are respectively connected to the preliminary filter cylinder 8, and the dispersion head 12 is arranged in the preliminary filter cylinder 8 at one end close to the feed pipe 4. The end of the dispersion head 12 close to the feed pipe 4 is an arc structure. The dispersion head 12 and the isolation plate 13 are fixedly connected by the assembly rod 9. The assembly rod 9 is arranged in a ring array, and a gap is arranged between the isolation plate 13 and the inner wall of the preliminary filter cylinder 8.

[0026] As an embodiment of the present invention, the isolation plate 13 has an annular structure, the middle ring of the isolation plate 13 is connected to the butt joint 10 , and the outer ring of the isolation plate 13 is connected to the dispersion head 12 .

[0027] As an implementation mode of the present utility model, the guide worm gear pieces 11 are arranged in a circular array along the inner wall of the feed pipe 4, and the guide worm gear pieces 11 are arranged in a spiral.

[0028] As an implementation mode of the present utility model, the preliminary filter cartridge 8 is arranged in the dust collection hopper 2, and the outer wall of the preliminary filter cartridge 8 is fixedly connected to the inner wall of the dust collection hopper 2 through reinforcing ribs.

[0029] As an implementation mode of the present utility model, the dust collection hopper 2 is a hopper-shaped structure, and the preliminary filter cartridge 8 is arranged on the top of the dust collection hopper 2 .

[0030] Specific working principle:

[0031] Before the dust collected by the coal conveying equipment enters the bag filter 1 through the feed pipe 4, it is first guided by the guide worm wheel 11 of the spiral structure and transported along the inner wall of the feed pipe 4;

[0032] After entering the preliminary filter cylinder 8, the impurities are separated by the dispersion head 12. The large particles of impurities are directly discharged through the slag discharge pipe 6 while moving in a circular motion in the preliminary filter cylinder 8. The lighter dust in the middle passes through the circular opening in the middle of the isolation plate 13 and is discharged to the outside of the fine discharge pipe 7, and then filtered by the bag in the bag dust collector 1.

[0033] When the bag dust collector 1 is filtering, the dust inside is discharged through the independent discharge ports on both sides, and large particles of impurities and small particles of impurities are discharged separately. The guide worm wheel 11 is used to guide the dust gas input inward into a circular cyclone, and large particles of coal dust fall into the slag outlet pipe 6, thereby achieving the purpose of preliminary dust removal and reducing the dust removal pressure of the dust removal bag.

[0034] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A bag dust removal mechanism for coal conveying equipment, comprising a bag dust collector (1), a dust collection hopper (2) being installed at the bottom of the bag dust collector (1), and a feed pipe (4) being connected to one end of the dust collection hopper (2), characterized in that: A material discharge assembly (3) is installed at the output port of the dust collecting hopper (2); one end of the feed pipe (4) is inserted into the dust collecting hopper (2) and is fixedly connected to a preliminary filter cartridge (8); an end of the preliminary filter cartridge (8) away from the feed pipe (4) is connected to a fine discharge pipe (7); a plurality of guide worm gears (11) are installed in the feed pipe (4); a dispersion head (12) and an isolation plate (13) are arranged in the preliminary filter cartridge (8); a slag discharge pipe (6) is arranged at the bottom of the preliminary filter cartridge (8); one end of the slag discharge pipe (6) is connected to the preliminary filter cartridge (8) and the other end is connected to the material discharge assembly (3); a side wall of the isolation plate (13) is connected to the fine discharge pipe (7) via a butt pipe (10).

2. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The discharge assembly (3) comprises independent discharge ports on both sides and a large particle discharge port in the middle, the independent discharge ports are respectively arranged on both sides of the large particle discharge port, and the independent discharge ports are respectively arranged at an angle, a slag discharge flange ring (5) is installed at the large particle discharge port, and the slag discharge pipe (6) is connected to the large particle discharge port.

3. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The feed pipe (4) and the fine discharge pipe (7) are respectively connected to the interior of the preliminary filter barrel (8); the dispersion head (12) is arranged in the preliminary filter barrel (8) at one end close to the feed pipe (4); the end of the dispersion head (12) close to the feed pipe (4) is an arc-shaped structure; the dispersion head (12) and the isolation plate (13) are fixedly connected via a connecting rod (9); the connecting rods (9) are arranged in a ring array; and a gap is provided between the isolation plate (13) and the inner wall of the preliminary filter barrel (8).

4. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The isolation plate (13) has an annular structure, wherein the middle circular ring of the isolation plate (13) is connected to the butt joint pipe (10), and the outer ring of the isolation plate (13) is connected to the dispersion head (12).

5. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The guide worm gear pieces (11) are arranged in a circular array along the inner wall of the feed pipe (4), and the guide worm gear pieces (11) are arranged in a spiral.

6. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The preliminary filter cartridge (8) is arranged in the dust collection hopper (2), and the outer wall of the preliminary filter cartridge (8) is fixedly connected to the inner wall of the dust collection hopper (2) via reinforcing ribs.

7. The bag dust removal mechanism of the coal conveying equipment according to claim 1, characterized in that: The dust collection hopper (2) is a hopper-shaped structure, and the preliminary filter cartridge (8) is arranged on the top of the dust collection hopper (2).

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