Dust collection device for discharge bin

Abstract

The utility model relates to the technical field of bin dust removal equipment, in particular to a dust collection device for a discharging bin, which comprises a negative pressure machine, namely a dust removal pipeline, a control valve is arranged on the dust removal pipeline, an in-bin dust collection pipe is arranged at a discharging inlet of the discharging bin, and the in-bin dust collection pipe is connected with the dust removal pipeline; an on-bin dust hood is arranged on the upper side of the discharging inlet and comprises a vertical part and an inclined part, the vertical part is arranged on the left side of the upper portion of the discharging bin, the lower end of the inclined part is connected with the upper end of the vertical part, and the inclined part inclines rightwards and upwards from the upper end of the vertical part and forms a preset angle with the horizontal plane where the discharging inlet of the discharging bin is located; through the arrangement of the inclined part of the dust collection cover on the middle bin, the dust collection quality is ensured on the premise that the action of the dumper is not influenced; meanwhile, the in-bin dust collection pipe and the on-bin dust collection cover are of an up-and-down structure, the dust collection area is increased, the dust collection quality during discharging is improved, smoke dust can be effectively prevented from overflowing, and environmental protection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dust removal equipment technical field of stock bin, specifically is a dust collection and capture device for unloading stock bin. BACKGROUND

[0002] In recent years, environmental problems have become a hot spot of people's attention, and currently in the field of metallurgy, the material is usually unloaded into the unloading stock bin by using the self-unloading truck, when the self-unloading truck unloads, dust will be generated between the self-unloading truck and the unloading stock bin, which leads to dust overflow and causes unorganized emission; the dust removal device in the prior art such as application number CN201621440064.4, a kind of calcined coke stock bin discharge port dust removal device, including fan, dust suction hood, dust suction pipeline, dust collector, air outlet duct, dust suction hood is installed on the calcined coke stock bin discharge port;Although the dust removal device in the prior art can play a certain dust removal effect on the stock bin, when it is applied to unload by using the self-unloading truck, if the dust suction hood is close to the stock bin, the self-unloading truck container is not convenient to overturn, if the dust suction hood is far away from the stock bin, the dust generated when the self-unloading truck unloads cannot be effectively reduced;Therefore, in order to improve the dust capture effect when the self-unloading truck unloads, reduce dust overflow and reduce environmental pollution, a dust collection and capture device for unloading stock bin is urgently needed. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims at providing a dust collection and capture device for unloading stock bin, which can improve the dust capture effect when the self-unloading truck unloads, reduce dust overflow and reduce environmental pollution.

[0004] The utility model solves the technical problems by adopting the technical scheme of:

[0005] A dust collection and capture device for unloading stock bin, comprising a negative pressure machine, the negative pressure machine is connected with dust removal pipeline, control valve is arranged on the dust removal pipeline, and the dust collection and capture device further comprises an in-bin dust suction pipe and a dust suction hood on the stock bin, the in-bin dust suction pipe is arranged at the unloading inlet of the unloading stock bin, the in-bin dust suction pipe is connected with the dust removal pipeline, and is used for collecting dust at the unloading port of the unloading stock bin;The dust suction hood on the stock bin comprises a vertical part and an inclined part, the vertical part is arranged at the left side position above the unloading stock bin, the lower end of the inclined part is connected with the upper end of the vertical part, the inclined part is inclined upward from the upper end of the vertical part to the right, and is arranged at a preset angle with the horizontal plane of the unloading inlet of the unloading stock bin, so as to provide sufficient space for the container of the self-unloading truck to overturn.

[0006] The utility model adopts the above technical scheme, compared with the prior art, the outstanding features are:

[0007] Through the setting of the inclined part of the dust suction cover on the bin in the device, the self-unloading truck box can be smoothly turned over, and the smoke dust collection quality is ensured without affecting the action of the self-unloading truck; meanwhile, the dust suction pipe in the bin and the dust suction cover on the bin adopt an upper and lower structure, that is, the smoke dust collection at the unloading inlet is realized, and the smoke dust collection above the unloading bin is also realized, the dust collection area is increased, the dust collection quality during unloading is improved, the smoke dust overflow can be effectively prevented, and the environmental protection is favorable.

[0008] As preferred, the further technical scheme of the utility model is:

[0009] Preferably, the dust suction cover on the bin comprises a rear sealing plate, a dust collecting box, four side wall plates and a distribution plate, the dust collecting box is arranged on the left side of the rear sealing plate, the dust removal pipeline is in communication with the dust collecting box, the four side wall plates are arranged at the right side edge of the rear sealing plate and are perpendicular to the rear sealing plate, the side wall plates and the rear sealing plate are arranged in an open box mode, the distribution plate is connected to the front side of the side wall plate, and a plurality of first dust suction holes are arranged on the distribution plate; the dust suction cover on the bin adopts a box structure, and the dust suction point has a wide distribution range, so that the smoke dust can be effectively captured without affecting the loading of the bin.

[0010] Preferably, the longitudinal section of the distribution plate is arranged in a wave shape, the distribution plate comprises an outer convex rib and an inner concave rib, and the first dust suction holes are arranged on the outer convex rib; the strength of the distribution plate is increased, the thickness of the distribution plate is reduced and does not need to be additionally reinforced, the self-weight of the distribution plate is reduced, the overall imbalance of the dust suction cover on the bin is reduced, and the overall stability is improved.

[0011] Preferably, the further comprises a tee pipe, the first port of the tee pipe is in communication with the dust removal pipeline, the second port is in communication with the dust collecting box, and the second port is connected with a collecting pipe, and the collecting pipe is in communication with the dust suction pipe in the bin.

[0012] Preferably, the dust suction pipe in the bin is in a U-shaped structure and comprises two horizontal pipes and a vertical pipe, the two horizontal pipes are respectively located on the front and back sides of the inner circle of the unloading inlet, and the vertical pipe is located on the right side of the inner circle of the unloading inlet; a plurality of second dust suction holes are arranged on the lower side of the horizontal pipe and the vertical pipe.

[0013] Preferably, the upper edges of the horizontal pipe and the vertical pipe are flush with the upper edge of the unloading inlet of the unloading bin. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the dust suction and collection device for the unloading bin in the embodiment of the utility model;

[0015] Figure 2 is a rear view structural schematic view of the dust suction and collection device for the unloading bin in the embodiment of the utility model;

[0016] Figure 3 is a structural schematic view of the distribution plate in the embodiment of the utility model;

[0017] Figure 4 This is a side structural diagram of a distribution plate in an embodiment of the present utility model;

[0018] Figure 5 It is a structural schematic diagram of the dust suction pipe in the bin in an embodiment of the present utility model.

[0019] Explanation of the accompanying symbols: 1. Dust removal pipe; 2. Control valve; 3. Unloading silo; 4. Dust suction pipe in the silo; 401. Horizontal pipe; 402. Vertical pipe; 403. Second dust suction hole; 5. Dust suction hood on the silo; 501. Rear sealing plate; 502. Distribution plate; 5021. Inner concave ridge; 5022. Outer convex ridge; 503. Dust collecting box; 6. Tee pipe; 7. Collecting pipe; 8. Dump truck; 801. Cargo box; 9. First dust suction hole. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with specific embodiments. The purpose is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the scope of protection of the present invention.

[0021] like Figure 1 to Figure 5 As shown, this embodiment provides a dust collection device for a unloading silo, including a negative pressure machine, which is connected to a dust removal pipe 1, and a control valve 2 is provided on the dust removal pipe 1. It also includes an in-silo dust collection pipe 4 and an upper silo dust collection hood 5. The in-silo dust collection pipe 4 is provided at the unloading inlet of the unloading silo 3, and the in-silo dust collection pipe 4 is connected to the dust removal pipe 1, and is used for collecting dust at the silo mouth of the unloading silo 3; the upper silo dust collection hood 5 includes a vertical part and an inclined part, the vertical part is provided at the left position above the unloading silo 3, the lower end of the inclined part is connected to the upper end of the vertical part, the inclined part is inclined to the right and upward from the upper end of the vertical part, and is provided at a preset angle to the horizontal plane where the unloading inlet of the unloading silo 3 is located, providing sufficient space for the dump truck 8 cargo box 801 to flip.

[0022] When the control valve 2 is opened when discharging, the negative pressure is generated in the dust suction cover 5 on the bin and the dust suction pipe 4 in the bin, the smoke dust is effectively sucked into the dust removal pipeline 1, the control valve 2 is closed when the smoke dust is not generated after discharging, the working in the presence of smoke dust is realized, and the effective use of the dust removal air volume is ensured; the inclination angle of the inclined part of the dust suction cover 5 on the bin is the same as the turning angle of the cargo box 801 of the dump truck 8, for example, when the cargo box 801 of the dump truck 8 needs to be turned by 45° for discharging, the inclination angle of the inclined part of the dust suction cover 5 on the bin is also set to 45°; further, through the setting of the inclined part, it is ensured that the cargo box 801 of the dump truck 8 can be smoothly turned, and the smoke dust collection quality is ensured without affecting the action of the dump truck 8; at the same time, the dust suction pipe 4 in the bin and the dust suction cover 5 on the bin adopt an upper and lower structure, that is, the smoke dust collection at the discharge inlet is realized, and the smoke dust collection above the discharge bin 3 is also realized, the dust collection area is increased, the dust collection quality during discharging is improved, the smoke dust overflow is effectively prevented, and the environmental protection is beneficial.

[0023] The dust suction cover 5 on the bin includes a rear sealing plate 501, a dust collection box 503, four side wall plates and a distribution plate 502, the dust collection box 503 is arranged on the left side of the rear sealing plate 501, the dust removal pipeline 1 is in communication with the dust collection box 503, the four side wall plates are arranged at the right side edge of the rear sealing plate 501 and are perpendicular to the rear sealing plate 501, the side wall plates and the rear sealing plate 501 are arranged in an open box manner, the distribution plate 502 is connected to the front side of the side wall plate, and a plurality of first dust suction holes 9 are arranged on the distribution plate 502; the dust suction cover 5 on the bin adopts a box structure, the dust suction point distribution range is wide, and the smoke dust can be effectively captured without affecting the loading of the bin.

[0024] The longitudinal section of the distribution plate 502 is arranged in a wave shape, the distribution plate 502 includes an outer convex rib 5022 and an inner concave rib 5021, and the first dust suction hole 9 is arranged on the outer convex rib 5022; the strength of the distribution plate 502 is increased, the thickness of the distribution plate 502 is reduced and does not need to be additionally strengthened, the self-weight of the distribution plate 502 is reduced, the overall imbalance of the dust suction cover 5 on the bin is reduced, and the overall stability is improved.

[0025] The three-way pipe 6 is further included, the first port of the three-way pipe 6 is in communication with the dust removal pipeline 1, the second port is in communication with the dust collection box 503, the second port is connected with the collecting pipe 7, and the collecting pipe 7 is in communication with the dust suction pipe 4 in the bin.

[0026] The in-bin dust suction pipe 4 is in U-shaped structure, which is composed of two horizontal pipes 401 and a vertical pipe 402, the two horizontal pipes 401 are respectively located at the front and back sides of the inner circle of the discharge inlet, and the vertical pipe 402 is located at the right side of the inner circle of the discharge inlet, and a plurality of second dust suction holes 403 are arranged on the lower side of the horizontal pipe 401 and the vertical pipe 402; correspondingly, the collecting pipe 7 is also provided with three ports, one port is connected with the three-way pipe 6, and the other two ports are correspondingly connected with the two horizontal pipes 401 of the in-bin dust suction pipe 4; wherein, the upper edges of the horizontal pipe 401 and the vertical pipe 402 are flush with the upper edge of the discharge inlet of the discharge bin 3; the negative pressure generated by the dust removal pipeline 1 is distributed by the horizontal pipe 401 and the vertical pipe 402 to carry out the dust collection operation at the bin opening. The in-bin dust suction pipe 4 in U-shaped structure and the dust suction cover 5 on the bin cooperate to realize the surrounding dust suction of the discharge bin 3, improve the dust suction quality, and do not affect the operation of the self-unloading truck 8, and provide sufficient space for the operation of the self-unloading truck 8.

[0027] The above only describes the preferred embodiments of the present application, and is not intended to limit the scope of the present application, and any equivalent changes made according to the content of the present application and the drawings are included in the scope of the present application.

Claims

1. A dust collection device for a discharge silo, comprising a negative pressure machine connected to a dust removal pipe (1), a control valve (2) being provided on the dust removal pipe (1), characterized in that: The utility model also includes an in-bin dust suction pipe (4) and an upper-bin dust suction hood (5), wherein the in-bin dust suction pipe (4) is arranged at the discharge inlet of the discharge bin (3), and the in-bin dust suction pipe (4) is connected to the dust removal pipe (1) and is used for collecting dust at the bin opening of the discharge bin (3); the upper-bin dust suction hood (5) includes a vertical portion and an inclined portion, wherein the vertical portion is arranged at a left position above the discharge bin (3), the lower end of the inclined portion is connected to the upper end of the vertical portion, and the inclined portion is inclined rightward and upward from the upper end of the vertical portion, and is arranged at a preset angle to the horizontal plane where the discharge inlet of the discharge bin (3) is located, thereby providing sufficient space for the dump truck (8) cargo box (801) to flip.

2. A dust collection device for a discharge silo according to claim 1, characterized in that: The dust collection hood (5) on the bin includes a rear sealing plate (501), a dust collecting box (503), four side wall plates and a distribution plate (502). The dust collecting box (503) is provided on the left side of the rear sealing plate (501). The dust removal duct (1) is connected to the dust collecting box (503). The four side wall plates are provided at the right edge of the rear sealing plate (501) and are perpendicular to the rear sealing plate (501). The side wall plates and the rear sealing plate (501) are provided in an open box-like arrangement. The distribution plate (502) is covered on the front side of the side wall plates. The distribution plate (502) is provided with a plurality of first dust collection holes (9).

3. A dust collection device for a discharge silo according to claim 2, characterized in that: The distribution plate (502) has a wavy longitudinal section. The distribution plate (502) comprises an outer convex ridge (5022) and an inner concave ridge (5021). The first dust suction hole (9) is provided on the outer convex ridge (5022).

4. A dust collection device for a discharge silo according to claim 2, characterized in that: It also includes a three-way pipe (6), a first port of the three-way pipe (6) is connected to the dust removal pipe (1), a second port is connected to the dust collection box (503), and the second port is connected to a collecting pipe (7), which is connected to the dust collection pipe (4) in the bin through the collecting pipe (7).

5. The dust collection device for a discharge silo according to claim 1, characterized in that: The dust suction pipe (4) in the bin is of a U-shaped structure, comprising two transverse pipes (401) and a longitudinal pipe (402). The two transverse pipes (401) are respectively located at the front and rear sides of the inner ring of the discharge inlet, and the longitudinal pipe (402) is located on the right side of the inner ring of the discharge inlet. A plurality of second dust suction holes (403) are provided on the lower sides of the transverse pipes (401) and the longitudinal pipe (402).

6. A dust collection device for a discharge silo according to claim 5, characterized in that: The upper edges of the horizontal tube (401) and the longitudinal tube (402) are flush with the upper edge of the discharge inlet of the discharge silo (3).

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