CN220763099U

CN220763099U - Dust pelletizing system and stirring station

Info

Publication number: CN220763099U
Application number: CN202322533312.6U
Authority: CN
Inventors: 董光德; 刘国斌; 彭文斌; 王秀宇
Original assignee: Hunan Zoomlion Concrete Machinery Station Equipment Co ltd
Current assignee: Hunan Zoomlion Concrete Machinery Station Equipment Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-12
Anticipated expiration: 2033-09-18

Abstract

The application relates to stirring station dust removal technical field discloses a dust pelletizing system and stirring station for have stirring host computer and aggregate storehouse's stirring station, dust pelletizing system includes: the first dust collector is provided with a first dust collection port, a second dust collection port and an exhaust port communicated with the outside; the channel mechanism comprises a first communication channel and a first discharging channel, two ends of the first communication channel are correspondingly connected with a first dust collection port and a first air outlet of the stirring host respectively, and a second dust collection port is connected with a first feeding port of the stirring host through a aggregate bin, the first discharging channel and the first feeding port of the stirring host in sequence; the dust collection adjusting mechanism comprises a first ventilation door arranged at the second dust collection port and a second ventilation door arranged on the first discharging channel, wherein the first ventilation door is used for opening or closing the second dust collection port, and the second ventilation door is used for opening or closing the first discharging channel. The utility model can adjust the dust collection capacity in different production stages, so that the dust collection capacity of the dust collection system is fully utilized.

Description

Dust pelletizing system and stirring station

Technical Field

The application belongs to the technical field of mixing plant dust removal, and particularly relates to a dust removal system and a mixing plant.

Background

The dust removal system of the concrete mixing plant in the prior art is generally used for removing dust in a mixing main machine and an aggregate bin of the concrete mixing plant. One complete production cycle of the concrete mixing plant comprises: metering, feeding, stirring and concrete unloading. The method comprises the following steps: starting production, metering materials such as aggregate, powder and the like, conveying the aggregate to an aggregate bin through an inclined belt conveyor after metering the aggregate, storing the powder in a powder scale, and starting feeding after metering all the materials; putting the aggregate and the powder into a stirring main machine to start stirring; and unloading concrete by the host machine after stirring is finished, so that a complete production cycle is achieved.

There are two dust spots in the above production process, and dust is generated in different production stages: firstly, in an aggregate bin in a metering stage, when aggregate is fed into the aggregate bin, an aggregate feeding point is impacted to generate dust; secondly, the dust in the stirring main machine in the feeding stage is generated when the powder and the aggregate are fed to the stirring main machine, and the dust fills the stirring main machine along with the air discharged from the stirring main machine. The dust removing mode of the dust removing system is that after the stirring main machine is started, the dust collector fan starts to work, negative pressure is generated in the system, dust in the stirring main machine and dust in the aggregate bin is sucked into the dust collector, the dust is discharged after being filtered, dust in the filter bag falls into the stirring main machine after being blown, and dust recycling is realized.

The dust collection capacity of the structure is not adjustable, the dust collection capacity cannot be distributed timely according to the generation stage of dust in the production process, the dust collection capacity cannot be fully utilized, particularly, the dust collection effect of a stirring host is poor, the visualization inside the stirring host can be realized after long-time dust removal is needed, and particularly, the rapid visualization of the stirring host cannot be supported. If the ideal visualization effect of the stirring main machine is achieved, the dust collector needs to be additionally arranged, the space of the main building is occupied, and the operation cost of equipment is increased.

Disclosure of Invention

The purpose of the application is to provide a dust pelletizing system and stirring station to solve among the prior art dust pelletizing system dust collecting capacity can not obtain the technical problem of make full use of.

To achieve the above object, the present application provides a dust removing system for a stirring station with a stirring main machine and an aggregate bin, the dust removing system comprising: the first dust collector is provided with a first dust collection port, a second dust collection port and an exhaust port communicated with the outside; the channel mechanism comprises a first communication channel and a first discharging channel, two ends of the first communication channel are correspondingly connected with the first dust collection port and the first air outlet of the stirring host respectively, and the second dust collection port is connected with the first material inlet of the stirring host through the aggregate bin, the first discharging channel and the first material inlet of the stirring host in sequence; the dust collection adjusting mechanism comprises a first ventilation door arranged at the second dust collection port and a second ventilation door arranged on the first discharging channel, wherein the first ventilation door is used for opening or closing the second dust collection port, and the second ventilation door is used for opening or closing the first discharging channel.

In some embodiments, the dust collection adjusting mechanism further comprises a third air vent, the stirring host is provided with a first air vent communicated with the outside, and the third air vent is used for opening or closing the first air vent.

In some embodiments, the dust collection adjusting mechanism further comprises a camera mounted on the stirring host, and the camera is used for carrying out shooting monitoring on the interior of the stirring host through the first air supplementing hole.

In some embodiments, the dust collection adjusting mechanism further comprises a controller, wherein the first ventilation door, the second ventilation door, the third ventilation door and the camera are all electrically connected with the controller, and the controller is used for electrically controlling the first ventilation door, the second ventilation door, the third ventilation door and the camera according to a time-sharing dust collection period.

In some embodiments, the mixing station further comprises a powder balance for containing powder, the channel mechanism further comprises a second discharging channel, the powder balance is connected with the second feeding port of the mixing host through the second discharging channel, and a fourth air valve is arranged on the second discharging channel and used for opening or closing the second discharging channel.

In some embodiments, the channel mechanism further comprises a second communication channel, one end of the second communication channel is communicated with a second air filling hole of the powder balance, and the other end of the second communication channel is communicated with a second air outlet of the stirring host.

In some embodiments, the dust removing system further comprises a second dust collector, the second dust collector is connected with the powder balance through a dust collecting channel, a fifth ventilation door is arranged on the dust collecting channel, and the fifth ventilation door is used for opening or closing the dust collecting channel.

In some embodiments, the air outlet of the first dust collector, the first dust collection port and the second dust collection port are sequentially arranged in the up-down direction.

In some embodiments, the first discharge channel is located at a lower end of the aggregate bin; and/or the aggregate bin is provided with a feed inlet for feeding, and the feed inlet is positioned between the second dust collection port and the first feed inlet along the up-down direction.

The utility model also discloses a stirring station which comprises a stirring main machine, an aggregate bin and the dust removal system.

Through the technical scheme, the arm support device provided by the embodiment of the utility model has the following beneficial effects:

when adopting dust pelletizing system to remove dust to the stirring station, in the measurement stage: the aggregate is conveyed to the aggregate bin through the belt conveyor, in the process, the first ventilation door is opened, the second ventilation door is closed, the aggregate bin is communicated with the second dust collection port, meanwhile, the first dust collection port is communicated with the first communication channel, the aggregate bin is isolated from the stirring host, and the dust collection system is in a strong dust collection state for the aggregate bin and a weak dust collection state for the stirring host; feeding: the second vent valve is opened, the first vent valve is closed, the aggregate bin starts to feed through the first discharging channel, the aggregate bin and the second dust collection port are isolated from each other, dust is generated in the stirring main machine at the stage, the pressure rises, at the moment, the dust removal system can only exhaust through the exhaust port of the first dust collector, and the condition that dust escapes from the aggregate bin can be avoided; stirring: after the material feeding is finished, the dust amount in the stirring main machine reaches the maximum value, the second ventilation valve and the first ventilation valve are kept to be closed after the material feeding enters the stage, at the moment, the dust collection mode is switched to the full-air-quantity dust collection of the stirring main machine independently, after the dust collection is carried out for a preset period of time, the first ventilation valve can be opened, and the first dust collector enters the aggregate bin and the stirring main machine to collect dust synchronously. And (3) discharging: and closing the second vent valve, opening the first vent valve, and recovering a synchronous dust collection mode of strong dust collection of the aggregate bin and weak dust collection of the stirring main machine by the first dust collector. According to the utility model, through the first ventilation door, the second ventilation door, the first communication channel, the first discharging channel, the first dust collection port, the second dust collection port and the air exhaust port of the first dust collector, the full-air dust collection of the stirring main machine can be independently realized in the stirring stage, the dust collection mode of strong dust collection of the aggregate bin in other stages can be realized, and different dust collection capacity adjustment can be carried out in different production stages, so that the dust collection capacity of the dust collection system is fully utilized.

Additional features and advantages of embodiments of the present application will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and together with the description serve to explain, without limitation, the embodiments of the present application. Other figures may be made from the structures shown in these figures without inventive effort for a person of ordinary skill in the art. In the drawings:

fig. 1 is a schematic view of a stirring station according to an embodiment of the present utility model.

Description of the reference numerals

Reference number designation number designation

1. The first dust collector 8 is provided with a second discharging channel

11. Fourth air valve with first dust collection port 9

12. Second dust collection port 10 second communication channel

13. Exhaust port 100 mixing station

2. First communication channel 110 stirring host

3. First discharge channel 1101 third discharge channel

4. First air vent door 120 aggregate bin

5. Second vent 1201 feed inlet

6. Third three-way valve 130 powder balance

7. Image pick-up device

Detailed Description

The following detailed description of specific embodiments of the present application refers to the accompanying drawings. It should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application.

A dust removal system according to the present application is described below with reference to the accompanying drawings.

In one embodiment, the dust removing system is used for a stirring station 100 with a stirring main machine 110 and a aggregate bin 120, and comprises a first dust collector 1, a channel mechanism and a dust collection adjusting mechanism, wherein the first dust collector 1 is provided with a first dust collection port 11, a second dust collection port 12 and an exhaust port 13 communicated with the outside; the channel mechanism comprises a first communication channel 2 and a first discharging channel 3, wherein two ends of the first communication channel 2 are correspondingly connected with a first dust collection port 11 and a first air outlet of the stirring host 110 respectively, and a second dust collection port 12 is sequentially connected with a first feed port of the stirring host 110 through a aggregate bin 120, the first discharging channel 3 and the first feed port of the stirring host 110; the dust collection adjusting mechanism comprises a first ventilation door 4 arranged at the second dust collection port 12 and a second ventilation door 5 arranged on the first discharging channel 3, wherein the first ventilation door 4 is used for opening or closing the second dust collection port 12, and the second ventilation door 5 is used for opening or closing the first discharging channel 3.

It will be appreciated that the dust removal system in this embodiment is mainly applied to the concrete mixing plant 100, and the first ventilation door 4 and the second ventilation door 5 may be pneumatic butterfly valves in the prior art, and other ventilation door structures similar to gate valves for controlling on/off of a channel may be adopted. The first communication channel 2 and the first discharging channel 3 can be arranged in the aggregate bin 120 or outside the aggregate bin 120, and the first communication channel 2 and the first discharging channel 3 in the aggregate bin 120 can improve the structural compactness of the mixing station 100. The lower end of the mixing main machine 110 may be provided with a third discharge passage 1101 with a concrete discharge door for opening or closing the third discharge passage 1101, and the mixing main machine 110 may discharge outward through the third discharge passage 1101.

When the dust removal system in this embodiment is used to remove dust from the stirring station 100, in the metering phase: aggregate is conveyed to the aggregate bin 120 through the belt conveyor, in the process, the first ventilation door 4 can be opened to enable the second dust collection port 12, the second ventilation door 5 is closed to enable the first discharging channel 3, the aggregate bin 120 is communicated with the second dust collection port 12, meanwhile, the first dust collection port 11 is communicated with the first communication channel 2, the aggregate bin 120 is isolated from the stirring host 110, and the dust collection system is in a strong dust collection state of the aggregate bin 120 and a weak dust collection state of the stirring host 110; feeding: the first vent door 4 is closed to open the second dust collection port 12, the second vent door 5 is opened to open the first discharging channel 3, the aggregate bin 120 starts feeding through the first discharging channel 3, the aggregate bin 120 and the second dust collection port 12 are isolated from each other, dust is generated in the stirring main machine 110 at the stage, and the pressure rises, at the moment, the dust collection system can only exhaust through the exhaust port 13 of the first dust collector 1, and the condition that dust escapes from the aggregate bin 120 can be avoided; stirring: after the material feeding is finished, the dust amount in the stirring main machine 110 reaches the maximum value, the second ventilation valve 5 and the first ventilation valve 4 are kept closed after the material feeding enters the stage, at the moment, the dust collection mode is switched to the mode that the first dust collector 1 collects dust on the stirring main machine 110 independently, after the dust collection is carried out for a preset period of time, the first ventilation valve 4 can be opened, and the first dust collector 1 enters the aggregate bin 120 and the stirring main machine 110 to collect dust synchronously. And (3) discharging: the first ventilation door 4 is opened to enable the second dust collection port 12, the second ventilation door 5 is closed to enable the first discharging channel 3, and the first dust collector 1 recovers a synchronous dust collection mode of strong dust collection of the aggregate bin 120 and weak dust collection of the stirring main machine 110. In this embodiment, through the first ventilation door 4, the second ventilation door 5, the first communication channel 2, the first discharging channel 3, the first dust collection port 11, the second dust collection port 12 and the air outlet 13 of the first dust collector 1, the full air quantity dust collection of the stirring main machine 110 in the stirring stage can be independently realized, and the dust collection modes of strong dust collection of the aggregate bin 120 in other stages can be adjusted in different production stages, so that the dust collection capacity of the dust collection system can be fully utilized.

The preset time length can be calculated according to the length and the running speed of the feeding empty belt conveyor.

Specifically, the dust collection adjusting mechanism further includes a third air vent 6, the stirring host 110 is provided with a first air vent communicated with the outside, and the third air vent 6 is used for opening or closing the first air vent. In the metering stage and the feeding stage, the third air valve 6 is made to close the first air supplying hole, so that the stirring main machine 110 is isolated from the outside air, and in the stirring stage: after the material is fed, the dust amount in the stirring main machine 110 reaches the maximum value. After entering the stage, the third vent valve 6 is opened, the first vent valve 4 is kept closed, the first dust collector 1 can independently collect dust on the stirring main machine 110 in full air quantity, after the dust collection is carried out for a preset time, the first vent valve 4 is opened, and the first dust collector 1 enters the aggregate bin 120 and the stirring main machine 110 to synchronously collect dust. And (3) discharging: the first ventilation door 4 is kept open, the third ventilation door 6 is closed, and the first dust collector 1 resumes the synchronous dust collection mode of strong dust collection for the aggregate bin 120 and weak dust collection for the stirring main machine 110.

In an embodiment, the dust collection adjusting mechanism further includes a camera 7 mounted on the stirring main machine 110, and the camera 7 is used for performing shooting monitoring on the interior of the stirring main machine 110 through the first air supplementing hole. In the case of opening the first air supply hole via the third three-way valve 6, the camera 7 is used for visual monitoring of the stirring main machine 110. After the first dust collector 1 performs full-air-volume dust collection on the stirring main machine 110, the dust collection efficiency and the visualization efficiency of the stirring main machine 110 can be improved, and the rapid visualization of the concrete state inside the stirring main machine 110 can be realized. In an embodiment, in the main mixer single dust removal mode, the internal visual requirement of the mixing main machine 110 is met at 10s after the mixing stage starts, and the internal dust removal and the pumping of the mixing main machine 110 can be realized at 10s, so that the quick visual of the mixing main machine 110 is realized.

The dust collection adjusting mechanism further comprises a controller, wherein the first ventilation door 4, the second ventilation door 5, the third ventilation door 6 and the camera 7 are electrically connected with the controller, and the controller is used for electrically controlling the first ventilation door 4, the second ventilation door 5, the third ventilation door 6 and the camera 7 according to a time-sharing dust removal period. The first ventilation door 4, the first ventilation door 4 and the third ventilation door 6 in this embodiment may all adopt a door structure driven by a cylinder, the controller may adopt a PLC controller (programmable logic controller) in the prior art, and the opening or closing of the door structure may be realized by controlling the cylinder according to a time-sharing dust-removing cycle in the production time sequence. In the embodiment, the first ventilation door 4, the second ventilation door 5, the third ventilation door 6 and the camera 7 are electrically controlled by the controller, so that the automation of time-sharing control can be realized, and the operation efficiency and the operation convenience of the dust removal system are improved.

As shown in fig. 1, the stirring station 100 further includes a powder balance 130 for accommodating powder, the channel mechanism further includes a second discharging channel 8, the powder balance 130 is connected to the second feeding port of the stirring host 110 through the second discharging channel 8, a fourth air valve 9 is disposed on the second discharging channel 8, and the fourth air valve 9 is used for opening or closing the second discharging channel 8. The powder balance 130 in this embodiment may be a powder metering balance, where the fourth air valve 9 opens the second discharging channel 8, the powder balance 130 may feed the material to the second feeding port of the stirring host 110 through the second discharging channel 8, in the metering stage, the fourth air valve 9 closes the second discharging channel 8, in the feeding stage, the fourth air valve 9 opens the second discharging channel 8, in the stirring stage and in the discharging stage, the fourth air valve 9 closes the second discharging channel 8, and the controller is electrically connected to the fourth air valve 9.

In an embodiment, the channel mechanism further includes a second communication channel 10, one end of the second communication channel 10 is connected to a second air filling hole of the powder balance 130, and the other end is connected to a second air outlet of the stirring host 110. The first communicating channel 2 and the second communicating channel 10 are both in a normally open state, in the feeding stage, the stirring host 110 can supplement air to the powder balance 130 through the second air outlet and the second air supplementing hole, so that the air pressure in the powder balance 130 and the air pressure of the stirring host 110 are in a balanced state, powder can enter the stirring host 110 from the second discharging channel 8, the upper end of the second discharging channel 8 is connected with the lower end of the powder balance 130, and the lower end of the second discharging channel 8 is connected with the upper end of the stirring host 110. The upper end of the second communication channel 10 is connected with the upper end of the powder balance 130, the lower end of the second communication channel 10 is connected with the upper end of the stirring host 110, and the powder balance 130 and the aggregate bin 120 are both positioned above the stirring host 110.

Specifically, the dust removing system further comprises a second dust collector, the second dust collector is connected with the powder balance 130 through a dust collecting channel, a fifth ventilation door is arranged on the dust collecting channel, and the fifth ventilation door is used for opening or closing the dust collecting channel. The first dust collector 1 and the second dust collector in the embodiment can both adopt dust collectors, and the dust collection efficiency of the powder balance 130 can be ensured by independently arranging the second dust collector on the powder balance 130. In the metering stage, the fifth vent door opens the dust collection channel, the second dust collector separately removes dust from the powder balance 130 through the dust collection channel, and in other production stages, the fifth vent door closes the dust collection channel.

It is to be understood that the air outlet 13, the first dust collection port 11, and the second dust collection port 12 of the first dust collector 1 are disposed in this order in the up-down direction. After the first dust collector 1 performs dust removal treatment on the air containing dust, clean air can be discharged outwards through the air outlet 13, and in the embodiment, the air outlet 13, the first dust collection port 11 and the second dust collection port 12 are sequentially arranged along the up-down direction, so that the clean air can be guaranteed to flow back to the outside rapidly.

In some embodiments, the first discharge channel 3 is located at the lower end of the aggregate bin 120; and, aggregate bin 120 has been offered and is used for the feed inlet 1201 of feeding, and feed inlet 1201 is located between second dust collection mouth 12 and the first feed inlet along the upper and lower direction. Aggregate bin 120 is located the top of stirring host computer 110, and first discharge channel 3 is located the lower extreme of aggregate bin 120, enables the aggregate and gets into in stirring host computer 110 fast under the action of gravity, and feed inlet 1201 is located between second dust collection port 12 and the first feed inlet along the upper and lower direction, and first dust collector is located aggregate bin 120 top and near feed inlet 1201 setting, can guarantee the dust removal effect of first dust collector to aggregate bin 120. Those skilled in the art will understand that the structure for implementing the dust removal and the opening and closing of the door structure is well known to those skilled in the art, and is not a core improvement of the present application, and thus will not be described herein.

The utility model also discloses a stirring station 100, wherein the stirring station 100 comprises a stirring main machine 110, a bone stock bin 120 and the dust removing system, and the specific structure of the dust removing system is as described in the embodiment. Since the stirring station 100 adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are not described in detail herein. In one embodiment, the mixing station 100 is a concrete mixing station 100 for mixing concrete.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A dust removal system for a mixing plant (100) with a mixing mainframe (110) and a aggregate bin (120), the dust removal system comprising:

the first dust collector (1) is provided with a first dust collection port (11), a second dust collection port (12) and an exhaust port (13) communicated with the outside;

the channel mechanism comprises a first communication channel (2) and a first discharging channel (3), two ends of the first communication channel (2) are correspondingly connected with the first dust collection port (11) and the first air outlet of the stirring host (110) respectively, and the second dust collection port (12) is connected with the first feeding port of the stirring host (110) through the aggregate bin (120), the first discharging channel (3) and the aggregate bin (120) in sequence;

the dust collection adjusting mechanism comprises a first ventilation door (4) arranged at the second dust collection port (12) and a second ventilation door (5) arranged on the first discharging channel (3), wherein the first ventilation door (4) is used for opening or closing the second dust collection port (12), and the second ventilation door (5) is used for opening or closing the first discharging channel (3).

2. The dust removal system according to claim 1, wherein the dust collection adjusting mechanism further comprises a third air vent (6), the stirring main machine (110) is provided with a first air vent communicated with the outside, and the third air vent (6) is used for opening or closing the first air vent.

3. The dust removal system of claim 2, wherein the dust collection adjustment mechanism further comprises a camera (7) mounted on the stirring main machine (110), the camera (7) being configured to monitor the interior of the stirring main machine (110) by shooting through the first air-filling hole.

4. A dust removal system according to claim 3, characterized in that the dust collection adjusting mechanism further comprises a controller, the first ventilation door (4), the second ventilation door (5), the third ventilation door (6), the camera (7) are electrically connected with the controller, and the controller is used for electrically controlling the first ventilation door (4), the second ventilation door (5), the third ventilation door (6) and the camera (7) according to a time-sharing dust removal period.

5. The dust removal system according to any one of claims 1 to 4, wherein the stirring station (100) further comprises a powder scale (130) for containing powder, the channel mechanism further comprises a second discharge channel (8), the powder scale (130) is connected with a second feed port of the stirring main machine (110) through the second discharge channel (8), a fourth air valve (9) is arranged on the second discharge channel (8), and the fourth air valve (9) is used for opening or closing the second discharge channel (8).

6. The dust removal system of claim 5, wherein the channel mechanism further comprises a second communication channel (10), one end of the second communication channel (10) is communicated with a second air filling hole of the powder balance (130), and the other end of the second communication channel is communicated with a second air outlet of the stirring main machine (110).

7. The dust removal system of claim 5, further comprising a second dust collector connected to the powder scale (130) through a dust collection channel, wherein a fifth vent door is disposed on the dust collection channel, and the fifth vent door is configured to open or close the dust collection channel.

8. The dust removal system according to claim 6, wherein the air outlet (13) of the first dust collector (1), the first dust collection port (11) and the second dust collection port (12) are provided in order in the up-down direction.

9. The dust removal system according to any one of claims 1 to 4, wherein the first discharge channel (3) is located at the lower end of the aggregate bin (120);

and/or the number of the groups of groups,

the aggregate bin (120) is provided with a feeding hole (1201) for feeding, and the feeding hole (1201) is located between the second dust collection hole (12) and the first feeding hole along the up-down direction.

10. A stirring station (100), characterized in that the stirring station (100) comprises a stirring main machine (110), an aggregate bin (120) and a dust removal system according to any one of claims 1 to 9.