CN-121974177-A - Negative pressure dust suppression hopper

CN121974177ACN 121974177 ACN121974177 ACN 121974177ACN-121974177-A

Abstract

The invention discloses a negative pressure dust suppression hopper, and belongs to the technical field of port coal transportation equipment. The negative pressure dust suppression hopper comprises a platform and a discharging chute, wherein an abrasive mechanism and a vibrating mechanism are arranged on the bottom layer of the platform, a hopper and a dust suppression mechanism communicated with the hopper are arranged on the high layer of the platform, the dust suppression mechanism comprises a negative pressure fan, a bulk bin, a filter material component and a spiral conveyor, the bulk bin is a cavity, the bulk bin is communicated with the side surface of the top end of the hopper through a first pipeline, the first pipeline extends into the hopper and is fixedly provided with a suction piece, one end of the negative pressure fan is communicated with the outside, the other end of the negative pressure fan is communicated with the bulk bin through the first pipeline, the upper end and the lower end of the filter material component are respectively communicated with the bulk bin and a feed inlet of the spiral conveyor, and the discharge outlet of the spiral conveyor is in butt joint with the inner end of the discharging chute.

Inventors

WANG BIAO
HU KANG
YANG JUN
WU XINGCHAO
XIONG CHUNSHENG
TONG WEI

Assignees

镇江港务集团有限公司

Dates

Publication Date: 20260505
Application Date: 20260330

Claims (9)

1. The negative pressure dust suppression hopper is characterized by comprising a double-layer arranged platform and a discharging groove, wherein an abrasive mechanism and a vibrating mechanism are arranged on the bottom layer of the platform, the hopper and the dust suppression mechanism communicated with the hopper are arranged on the high layer of the platform, the dust suppression mechanism comprises a negative pressure fan, a discharging box, a filter material component and a spiral conveyor, a cavity is formed in the discharging box, the discharging box is communicated with the side surface of the top end of the hopper through a first pipeline, the first pipeline extends into the hopper and is fixedly provided with a suction piece, one end of the negative pressure fan is communicated with the outside, the other end of the negative pressure fan is communicated with the inside of the discharging box through a first pipeline, the upper end and the lower end of the filter material component are respectively communicated with the discharging box and a feed inlet of the spiral conveyor, the discharging hole of the spiral conveyor is in butt joint with the inner end of the discharging groove, the discharging groove is positioned on the bottom layer of the platform, the outer end of the discharging groove extends out of the platform to be in butt joint with an external coal conveying line, the inner end of the discharging box is connected with the vibrating mechanism to vibrate and discharge the bottom end of the hopper is communicated with the abrasive mechanism.
2. The negative pressure dust suppression hopper as set forth in claim 1, wherein the dust suppression mechanism further comprises a gas distribution box, the gas distribution box is fixed on one side of the top of the bulk bin, and the gas distribution box is communicated with the interior of the bulk bin through a plurality of parallel tubules.
3. The negative pressure dust suppression hopper of claim 1, wherein the filter material component comprises a buffer column, a filter cartridge and a conical table, the top of the buffer column is provided with an inverted cone buffer part, the bottom of the buffer column is provided with a column-type bearing part, the filter cartridge is sleeved on the outer wall of the bearing part and comprises a plurality of filter discs circumferentially arranged along the axis of the conical table, the inner end of each filter disc is sheet-shaped, the outer end of each filter disc is in a forked opening shape, a hole is formed between every two adjacent filter discs, the top end of the conical table is fixedly sleeved on the outer wall of the filter cartridge, and the bottom end of the filter cartridge is opened to be communicated with a feed inlet of the spiral conveyor.
4. The negative pressure dust suppression hopper of claim 3, wherein the filter cartridge is made of activated carbon.
5. The negative pressure dust suppression hopper of claim 1, wherein the air suction piece comprises a connecting arm, a cavity is formed in the connecting arm and is communicated with the first pipeline, feeding cavities are respectively and equidistantly fixed on two sides of the connecting arm, each feeding cavity is communicated with the inner cavity of the connecting arm, and the outer ends of the feeding cavities are obliquely arranged.
6. The negative pressure dust suppression hopper as set forth in claim 5, wherein the hopper is open at the top and has a sloping plate fixed to one side of the inner wall of the opening, the sloping plate being disposed downward and above the air suction member.
7. The negative pressure dust suppression hopper of claim 1, wherein the abrasive mechanism comprises a connecting flange, a box body, a connecting table and a servo motor, the top of the box body is fixed with the high-rise bolt of the platform through the connecting flange, the top of the box body is communicated with the hopper, the bottom of the box body corresponds to the inner end of the discharge chute, two abrasive rollers are rotationally connected in the box body, the connecting table is fixed with the bottom of the box body, the servo motor is fixed on the connecting table, and the output end of the servo motor is in belt transmission with the two abrasive rollers.
8. The negative pressure dust suppression hopper of claim 7, wherein the vibration mechanism comprises four connecting columns, a vibration motor and vibration springs, wherein the four connecting columns are arranged on the periphery of the connecting table, each connecting column is connected with the inner end of the discharge chute through the vibration springs of the hanging buckle, and the bottom of the inner end of the discharge chute is fixedly connected with the vibration motor through a fixing frame.
9. The negative pressure dust suppression hopper of claim 1, wherein a ladder stand is further fixed to one side of the platform.

Description

Negative pressure dust suppression hopper Technical Field The invention relates to the technical field of port coal transportation equipment, in particular to a negative pressure dust suppression hopper. Background The traditional port coal hopper is simply a 'middle rotating hopper' with simple structure and pure function. The coal collecting and transporting device has the core tasks of receiving coal discharged from the grab bucket, smoothly guiding the coal to the belt conveyor below, and mainly relying on grinding coal materials and then collecting and transporting the coal materials, and has simple overall structure. The existing port coal hopper has been developed into a systematic engineering from the initial solution of blocking and grinding to the current intelligent and green. In the use process of the port hopper, coal dust can be generated in the coal falling process, the ecological environment of the port can be polluted by the coal dust, potential safety hazards exist, the negative pressure draught fan is designed to be placed under the hopper in the prior port to conduct negative pressure draught, the coal dust is prevented from being exposed, but the coal dust leakage easily exists due to the fact that the coal dust is single in negative pressure in actual operation, and unnecessary coal resource waste exists in the coal dust pumping process. To this end, we propose a dust suppression hopper with negative pressure to solve the above problems. Disclosure of Invention Aiming at the problems existing in the prior art, the invention aims to provide a negative pressure dust suppression hopper. In order to solve the problems, the technical scheme adopted by the invention is as follows: The negative pressure dust suppression hopper comprises a double-layer arranged platform and a discharging groove, wherein an abrasive mechanism and a vibrating mechanism are arranged on the bottom layer of the platform, the high layer of the platform is provided with the hopper and the dust suppression mechanism communicated with the hopper, the dust suppression mechanism comprises a negative pressure fan, a discharging box, a filter material component and a spiral conveyor, the discharging box is a cavity, the discharging box is communicated with the side surface of the top end of the hopper through a first pipeline, the first pipeline extends into the hopper and is fixedly provided with an air suction piece, one end of the negative pressure fan is communicated with the outside, the other end of the negative pressure fan is communicated with the inside of the discharging box through a first pipeline, the upper end and the lower end of the filter material component are respectively communicated with the discharging box and a feed inlet of the spiral conveyor, a discharge outlet of the spiral conveyor is in butt joint with the inner end of the discharging groove, the outer end of the discharging groove extends out of the platform to be in butt joint with an external coal conveying line, the inner end of the discharging groove is connected with the vibrating mechanism to vibrate and discharge the bottom end of the hopper is communicated with the abrasive mechanism, and the top end of the vibrating mechanism is communicated with the vibrating mechanism. Further, the dust suppression mechanism further comprises a gas distribution box, the gas distribution box is fixed on one side of the top of the bulk bin, and the gas distribution box is communicated with the inside of the bulk bin through a plurality of parallel suction pipes. Further, the filter material component comprises a buffer column, a filter drum and a conical table, wherein an inverted cone-shaped buffer part is formed at the top of the buffer column, a column-shaped bearing part is arranged at the bottom of the buffer column, the filter drum is sleeved on the outer wall of the bearing part, the filter drum comprises a plurality of filter discs which are circumferentially arranged along the axis of the conical table, the inner end of each filter disc is sheet-shaped, the outer end of each filter disc is bifurcated and opened, a pore is formed between every two adjacent filter discs, the top end of the conical table is fixedly sleeved on the outer wall of the filter drum, and the bottom end of the conical table is opened to be communicated with a feed inlet of the spiral conveyor. Further, the filter cylinder is made of active carbon. Further, the getter comprises a connecting arm, a cavity is formed in the connecting arm and is communicated with the first pipeline, feeding cavities are respectively fixed on two sides of the connecting arm at equal intervals, each feeding cavity is communicated with the inner cavity of the connecting arm, and the outer ends of the feeding cavities are obliquely arranged. Further, the top of the hopper is opened, an inclined plate is fixed on one side of the inner wall of the opening, and the inclined plate is arranged in a