Dustproof discharging device

Abstract

The utility model belongs to the technical field of industrial dust prevention, and particularly relates to a dust-proof discharging device which comprises a telescopic discharging pipe, the telescopic discharging pipe is fixed to the bottom of a stock bin, a mounting plate is arranged below a discharging valve and fixedly connected with the upper portion of the telescopic discharging pipe, and the telescopic discharging pipe is fixed to the bottom of the stock bin. The lower end of the telescopic discharging pipe is connected with a dust collection cover through a connecting plate, a telescopic dust collection pipe is arranged between the mounting plate and the dust collection cover, a dust suction pipe is arranged on the mounting plate, the dust suction pipe is located between the telescopic discharging pipe and the telescopic dust collection pipe, and the dust suction pipe is connected with a dust removal device. The telescopic discharging pipe is adopted, the dust falling height during dust discharging is reduced, the reentrainment of dust is further reduced, meanwhile, the telescopic dust collecting pipe is installed in a matched mode, the reentrainment of dust can be collected during dust discharging, dust is further prevented from scattering all around, and the field environment is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial dust prevention, and particularly relates to a dust-proof blanking device. Background Art

[0002] In order to meet the requirements of environmental protection, dust collection devices are often installed in production enterprises to collect the dust generated during the production process. The collected dust will be uniformly put into a fixed silo. When the dust in the silo reaches a certain amount, it will be discharged into a transport vehicle through a blanking pipe and taken away for treatment. However, when the existing silo discharges dust, a large amount of secondary dust will be generated, resulting in dust flying everywhere on the site. On the one hand, it does not meet the environmental protection requirements, and on the other hand, it is not conducive to the physical health of the on-site workers. Content of the Utility Model

[0003] The utility model provides a dust-proof blanking device for the above problems.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A dust-proof blanking device includes a telescopic blanking pipe, the telescopic blanking pipe is fixed at the bottom of the silo, a discharge valve is fixedly installed on the upper part of the telescopic blanking pipe, a mounting plate is arranged below the discharge valve, the mounting plate is fixedly connected with the upper part of the telescopic blanking pipe, a dust collection hood is connected to the lower end of the telescopic blanking pipe through a connecting plate, a telescopic dust collection pipe is arranged between the mounting plate and the dust collection hood, fixing rings are uniformly distributed on the telescopic dust collection pipe, guide blocks are arranged on the left and right sides of the fixing ring, guide holes are penetrated through the guide blocks, a steel wire rope is commonly penetrated through the plurality of guide holes on the same side, one end of the steel wire rope passes through the plurality of guide holes from bottom to top and is fixedly connected to the lower surface of the mounting platform, the other end of the steel wire rope sequentially bypasses a first reversing wheel, passes through the mounting platform, bypasses a second reversing wheel, and finally winds on a winch. The first reversing wheel is installed on the upper surface of the dust collection hood, the second reversing wheel is arranged on the upper surface of the mounting platform, the winch is fixed on the mounting platform, a dust suction pipe is arranged on the mounting plate, the dust suction pipe is located between the telescopic blanking pipe and the telescopic dust collection pipe, and the dust suction pipe is connected with a dust removal device.

[0006] Further, a plurality of support legs are uniformly fixed inside the dust collection hood to support the dust collection hood when the dust collection hood is lowered, and prevent the dust collection hood from directly contacting the material, resulting in the situation of blocked discharge.

[0007] Furthermore, a plurality of flexible baffles are also installed at the lower end of the dust collection hood to improve the dust-proof effect.

[0008] Furthermore, the plurality of flexible baffles are installed at the lower end of the dust collection hood in a lapping manner.

[0009] Furthermore, the installation platform is fixedly connected to the silo through a connecting frame.

[0010] Furthermore, the telescopic blanking pipe is composed of a plurality of sleeves sleeved with each other, and a limit connection is formed between adjacent sleeves through corresponding upper limit retaining rings and lower limit retaining rings.

[0011] Furthermore, the telescopic dust collection pipe is made of waterproof tarpaulin.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model adopts a telescopic blanking pipe, which reduces the ash falling height during ash discharging, thereby reducing the secondary dust generation phenomenon. At the same time, the telescopic dust collection pipe is installed in supporting, which can collect the secondary dust during ash discharging, further preventing the dust from spreading and ensuring the on-site environment. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the utility model;

[0015] Figure 2 is a schematic structural diagram of the installation platform of the utility model;

[0016] Figure 3 is a schematic structural diagram of the dust collection hood 6 of the utility model;

[0017] Figure 4 is a schematic connection diagram of the dust collection hood and the telescopic dust collection pipe of the utility model;

[0018] Figure 5 is a cross-sectional view of the telescopic blanking pipe of the utility model;

[0019] Figure 6 is the utility model Figure 5 partial enlarged view of the circle A in;

[0020] In the figure, telescopic blanking pipe 1, silo 2, discharge valve 3, mounting plate 4, connecting plate 5, dust collection hood 6, telescopic dust collection pipe 7, fixing ring 8, guide block 9, steel wire rope 11, installation platform 12, first reversing wheel 13, second reversing wheel 14, winch 15, dust suction pipe 16, support leg 17, flexible baffle 18, connecting frame 19, sleeve 101, upper limit retaining ring 102, lower limit retaining ring 103. Detailed Embodiment

[0021] In order to further elaborate the technical solution of the utility model, the utility model will be further described below through embodiments.

[0022] As Figures 1 to 6As shown in the figure, a dust-proof feeding device includes a telescopic feeding pipe 1, which is composed of a plurality of sleeves 101 sleeved with each other. A limit connection is formed between adjacent sleeves 101 through corresponding upper limit retaining rings 102 and lower limit retaining rings 103. The telescopic feeding pipe 1 is fixed at the bottom of the silo 2. A discharge valve 3 is fixedly installed on the upper part of the telescopic feeding pipe 1. An installation plate 4 is arranged below the discharge valve 3, and the installation plate 4 is fixedly connected to the upper part of the telescopic feeding pipe 1. The lower end of the telescopic feeding pipe 1 is connected with a dust collection hood 6 through a connecting plate 5. A plurality of support legs 17 are evenly fixed on the inner side of the dust collection hood 6 to support the dust collection hood 6 when the dust collection hood 6 is lowered, preventing the dust collection hood 6 from directly contacting the material and causing the situation of blocked discharge. A plurality of flexible flaps 18 are also installed at the lower end of the dust collection hood 6 to improve the dust-proof effect. The plurality of flexible flaps 18 are installed at the lower end of the dust collection hood 6 in a lapping manner. A telescopic dust collection pipe 7 is arranged between the installation plate 4 and the dust collection hood 6. The telescopic dust collection pipe 7 is made of waterproof tarpaulin. Fixed rings 8 are evenly distributed on the telescopic dust collection pipe 7. Guide blocks 9 are arranged on the left and right sides of the fixed ring 8. Guide holes are penetrated through the guide blocks 9. A steel wire rope 11 is commonly penetrated through the plurality of guide holes on the same side. One end of the steel wire rope 11 passes through the plurality of guide holes from bottom to top and is fixedly connected to the lower surface of the installation platform 12. The other end of the steel wire rope 11 successively bypasses the first reversing wheel 13, passes through the installation platform 12, bypasses the second reversing wheel 14, and finally winds around the winch 15. The first reversing wheel 13 is installed on the upper surface of the dust collection hood 6. The second reversing wheel 14 is arranged on the upper surface of the installation platform 12. The winch 15 is fixed on the installation platform 12. The installation platform 12 is fixedly connected to the silo 2 through a connecting frame 19. A dust suction pipe 16 is arranged on the installation plate 4. The dust suction pipe 16 is located between the telescopic feeding pipe 1 and the telescopic dust collection pipe 7. The dust suction pipe 16 is connected to a dust removal device.

[0023] The above shows and describes the main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention.

[0024] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dust-proof feeding device, characterized in that: The invention comprises a telescopic discharge pipe (1), wherein the telescopic discharge pipe (1) is fixed at the bottom of a silo (2), a discharge valve (3) is fixedly mounted on the upper part of the telescopic discharge pipe (1), a mounting plate (4) is arranged below the discharge valve (3), the mounting plate (4) is fixedly connected to the upper part of the telescopic discharge pipe (1), a dust collecting hood (6) is connected to the lower end of the telescopic discharge pipe (1) via a connecting plate (5), a telescopic dust collecting pipe (7) is arranged between the mounting plate (4) and the dust collecting hood (6), fixing rings (8) are evenly distributed on the telescopic dust collecting pipe (7), guide blocks (9) are arranged on the left and right sides of the fixing ring (8), guide holes are penetrated on the guide blocks (9), and steel rods are commonly penetrated in the plurality of guide holes on the same side. A wire rope (11), one end of the wire rope (11) sequentially passes through a plurality of guide holes from bottom to top and is fixedly connected to the lower surface of a mounting platform (12), the other end of the wire rope (11) sequentially passes around a first reversing wheel (13), passes through the mounting platform (12), passes around a second reversing wheel (14), and finally is wound around a winch (15), the first reversing wheel (13) is mounted on the upper surface of a dust collecting hood (6), the second reversing wheel (14) is arranged on the upper surface of the mounting platform (12), the winch (15) is fixed on the mounting platform (12), a dust suction pipe (16) is arranged on the mounting plate (4), the dust suction pipe (16) is located between the telescopic feeding pipe (1) and the telescopic dust collecting pipe (7), and the dust suction pipe (16) is connected to a dust removal device.

2. A dust-proof feeding device according to claim 1, characterized in that: A plurality of support legs (17) are evenly fixed on the inner side of the dust hood (6) for supporting the dust hood (6) when the dust hood (6) is lowered, thereby preventing the dust hood (6) from directly contacting the material and causing a blockage in the discharge of the material.

3. The dust-proof feeding device according to claim 1, characterized in that: A plurality of flexible baffles (18) are also installed at the lower end of the dust collecting cover (6) to improve the dust prevention effect.

4. A dust-proof feeding device according to claim 3, characterized in that: A plurality of flexible baffles (18) are installed at the lower end of the dust collecting cover (6) in an overlapping manner.

5. The dust-proof feeding device according to claim 1, characterized in that: The mounting platform (12) is fixedly connected to the silo (2) via a connecting frame (19).

6. The dust-proof feeding device according to claim 1, characterized in that: The telescopic discharge pipe (1) is composed of a plurality of sleeves (101) which are sleeved together, and adjacent sleeves (101) are connected to each other by a corresponding upper limit stop ring (102) and a lower limit stop ring (103) to form a limit connection.

7. The dust-proof feeding device according to claim 1, characterized in that: The telescopic dust collecting tube (7) is made of waterproof tarpaulin.

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