CN215390791U - Garbage winnowing machine - Google Patents

Abstract

The utility model relates to a garbage winnowing machine, which comprises: the front part of the box body is provided with a separation chamber, and the box body is provided with a feed inlet corresponding to the separation chamber; the blower is provided with a blowing pipe and blows airflow into the separation chamber to blow the light garbage backwards; the material stirring roller is arranged in the separation chamber; a first material stirring roller and a second material stirring roller are arranged; the first material stirring roller is arranged corresponding to the feeding hole and is used for stirring and lifting the light and heavy material mixed garbage backwards; the second material stirring roller is positioned at the rear side of the first material stirring roller and is arranged in a downward staggered manner relative to the first material stirring roller so as to stir and lift the material stirred and lifted by the first material stirring roller again; a blanking interval is formed between the two material shifting rollers, a heavy material garbage discharge opening is arranged at the lower part of the box body, and the heavy material garbage discharge opening corresponds to the blanking interval so as to allow heavy material garbage to fall. When the garbage winnowing machine is used, the garbage winnowing machine carries out twice separation operation on the light and heavy substance mixed garbage, and the separation effect of the light and heavy substance garbage is greatly improved.

Description

Garbage winnowing machine

Technical Field

The utility model relates to a garbage winnowing machine.

Background

Along with the improvement of the general living standard of society, more and more garbage is generated, and waste garbage is often the mixture of light material and heavy material, and difficult refuse treatment carries out, consequently just needs to use the refuse separation equipment who has light material separation function to separate light material and heavy material mixed garbage to carry out subsequent refuse treatment work.

Chinese utility model patent application with grant publication number CN207119551U discloses a roller type winnowing classification device, which comprises: a feeding belt for conveying the light-heavy mixture into the separation chamber; the blower arranged outside the separation chamber is connected with a blowpipe, the blowpipe blows airflow towards the separation chamber, an air inlet of the blowpipe is positioned below the feeding belt, light and heavy mixture falling from the feeding belt directly falls into the airflow, and overweight substances directly pass through the airflow and fall into a heavy material hopper positioned below the transmission roller and then fall into a heavy material box through the heavy material hopper; the heavier materials and the light materials are conveyed to the driving roller by the air flow, and the heavier materials rebound after contacting the rotating driving roller and fall back to the heavy material hopper; light materials are backwards rotated by the rotating driving roller and are pushed to the rear of the driving roller, fall to the light conveying belt located below the driving roller and are conveyed to the light material box through the light conveying belt, separation of light and heavy mixtures is achieved, an air suction pipe is arranged above the light material conveying belt and sucks air flow in the separation chamber back, the sucked air flow is conveyed to the air blower through the air suction integrated pipe and is blown out in a circulating mode, energy loss is reduced, and energy is saved.

Above-mentioned roller-type selection by winnowing sorting facilities only sets up single driving roller in the separating chamber, and the air current that the blowing pipe blew out blows light heavy mixture to the driving roller after, leads to partly heavier material to be dialled to the light conveyer belt backward by the driving roller that rotates together with light material easily for light heavy material separation effect is not good, and rubbish separation work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a garbage winnowing machine, which aims to solve the technical problem that the separation effect of light and heavy substance mixed garbage is poor when materials are blown to a single material poking roller by airflow and are poked backwards by the material poking roller in the prior art.

In order to achieve the purpose, the technical scheme of the garbage winnowing machine provided by the utility model is as follows: a trash air separator comprising:

the box body is provided with a separation chamber at the front part and a feeding hole corresponding to the separation chamber;

the blower is provided with a blowing pipe and blows airflow into the separation chamber to blow the light garbage backwards;

the material stirring roller is arranged in the separation chamber;

the two material stirring rollers comprise a first material stirring roller and a second material stirring roller;

the first material stirring roller is arranged corresponding to the feeding hole and is used for stirring and lifting the light and heavy material mixed garbage backwards;

the second material stirring roller is positioned at the rear side of the first material stirring roller and is arranged in a downward staggered manner relative to the first material stirring roller so as to stir and lift the material stirred and lifted by the first material stirring roller again;

a blanking interval is formed between the two material stirring rollers, a heavy material garbage discharging opening is formed in the lower portion of the box body, and the heavy material garbage discharging opening corresponds to the blanking interval so that heavy material garbage can fall;

the separation chamber is provided with an air flow channel, the air flow channel is supplied with air by a blowing pipe, the air flow channel obliquely and upwards extends from front to back, and the air outlet of the air flow channel corresponds to the blanking interval so as to carry out air separation on the garbage stirred and raised by the two material stirring rollers.

The beneficial effects are that: the utility model provides a garbage winnowing machine which is provided with a first material shifting roller and a second material shifting roller, wherein airflow blown out by an air blower winnowes light and heavy material mixed garbage from the space between the two material shifting rollers, the first material shifting roller is firstly contacted with the light and heavy material mixed garbage to throw the light and heavy material mixed garbage backwards, the heavy material garbage directly falls through a blanking interval and is discharged, the light material garbage is blown backwards by the airflow blown out from the blanking interval and directly passes through the second material shifting roller to realize primary separation, the light and heavy material mixed garbage thrown backwards by the first material shifting roller and falls on the second material shifting roller is contacted with the second material shifting roller, the heavy material garbage falls through the blanking interval and is discharged, and the light material garbage is blown backwards by the airflow blown out from the blanking interval and directly passes through the second material shifting roller to realize secondary separation.

The garbage winnowing machine carries out twice separation operation on the light and heavy substance mixed garbage, and greatly improves the separation effect of the light and heavy substance garbage.

As a further improvement, the first material stirring roller and the second material stirring roller are both arranged on the inner wall of the box body, and the first material stirring roller is positioned under the feeding hole.

The beneficial effects are that: set up first stirring roller under the feed inlet, the first stirring roller of being convenient for is thrown the mixed rubbish of light and heavy material backward.

As a further improvement, the first material stirring roller and the second material stirring roller are driven by at least one motor to rotate in the box body.

The beneficial effects are that: the first material stirring roller and the second material stirring roller are driven by the motor, so that the installation is convenient.

As a further improvement, the first material stirring roller and the second material stirring roller are driven by the same motor, and the first material stirring roller and the second material stirring roller synchronously rotate through chain transmission or belt transmission.

The beneficial effects are that: first stirring roller and second stirring roller are by same platform motor drive, have simplified drive structure.

As further improvement, a feed hopper is arranged at the feed inlet and is positioned right above the first material stirring roller.

The beneficial effects are that: the feed hopper is positioned right above the first material poking roller, so that the first material poking roller can conveniently throw light and heavy material mixed garbage backwards.

As a further improvement, the front side of the bottom of the feeding hopper is close to the first material stirring roller to form a rotating gap, and the rear side of the bottom of the feeding hopper is far away from the first material stirring roller to form a discharge hole at the bottom of the feeding hopper so that the first material stirring roller can stir the lifted garbage to convey the garbage backwards.

The beneficial effects are that: the rotating gap and the discharge port are matched with the first material shifting roller to throw and raise the light and heavy material mixed garbage backwards so as to prevent the first material shifting roller and the separating chamber from being stuck to damage the winnowing machine.

As a further improvement, a conveying chamber is arranged behind the separation chamber on the box body, a light material garbage conveying belt is arranged in the conveying chamber, and a light material garbage discharging opening is arranged below the tail end of the light material garbage conveying belt and used for light material garbage to fall.

The beneficial effects are that: the conveying chamber is internally matched with the light material garbage discharge opening through the light material garbage conveying belt so as to discharge the light material garbage out of the conveying chamber, the conveying structure of the light material garbage is simplified, and the light material garbage is convenient to discharge out of the conveying chamber.

As a further improvement, the top of the box body is provided with an air suction opening which is communicated with an air inlet of the blower through an air suction pipe so as to form a circulating air path.

The beneficial effects are that: the circulating air path enables the air flow blown out by the blower to be recycled, and energy loss is reduced.

As a further improvement, the exhaust inlets are arranged in a plurality of numbers, the exhaust pipes comprise a main pipe and branch pipes, the main pipe is communicated with the air inlets of the air blowers, the exhaust inlets are respectively communicated with the main pipe through the branch pipes, the end parts of the branch pipes, which are correspondingly communicated with the exhaust inlets, are provided with conical pipe sections, and the conical pipe sections are gradually reduced towards the direction far away from the exhaust inlets.

The beneficial effects are that: the main pipe and the branch pipes are matched to convey airflow in the box body to the blower, so that the circulation loop is simple in structure and convenient to install.

As a further improvement, the garbage winnowing machine comprises a rack, the box body and the blower are supported and mounted on the rack, and the blower is located on the front side of the box body.

The beneficial effects are that: the frame is used for stably supporting the installation box body and the air blower, the integral structure of the winnowing machine is simplified, and the installation space is reduced.

Drawings

FIG. 1 is a schematic structural view of a garbage air separator according to the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic view of the two material shifting rollers in fig. 1 in a use state.

Description of reference numerals:

1. a frame; 11. a support plate; 12. supporting legs; 2. a box body; 21. a separation chamber; 211. a first kick-off roller; 212. a second kick-off roller; 213. a heavy material waste discharge opening; 214. blanking interval; 215. an air flow channel; 216. a rotational clearance; 217. a discharge port; 22. a transfer chamber; 221. a light material garbage discharge opening; 3. a blower; 31. a blowpipe; 32. an air inlet; 4. a feed hopper; 41. a feed inlet; 5. an air suction pipe; 51. an air suction opening; 52. a header pipe; 53. a branch pipe; 54. a tapered tube section; 6. mixing light and heavy substances with garbage; 7. an electric motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

The specific embodiment 1 of the garbage winnowing machine provided by the utility model comprises the following steps:

garbage winnowing equipment among the prior art blows light heavy material mixed rubbish to the driving roller of single setting through the air-blower, then kick-backs heavy material rubbish by the driving roller, dials up the separation of light material rubbish in order to realize light heavy material rubbish, but the air current that the blowing pipe blew out blows light heavy mixture to the driving roller after, leads to partly heavier material and light material to be dialled to the light conveyer belt backward together by the rotatory driving roller on easily for light heavy material separation effect is not good.

The garbage winnowing machine provided by the utility model is provided with two material shifting rollers, and the air flow blown out by the air blower winnowing the light and heavy substance mixed garbage from the blanking interval between the two material shifting rollers, wherein one material shifting roller is firstly contacted with the light and heavy substance garbage mixture to throw the light and heavy substance mixed garbage backwards, so that part of the heavy substance garbage directly falls and is discharged through the blanking interval, the mixed garbage thrown backwards by the first material shifting roller falls on the other material shifting roller, the other material shifting roller enables the heavy substance garbage to rebound and fall, and the light substance garbage is blown backwards by the air flow blown out from the blanking interval, so that the separation of the light and heavy substance garbage is realized, and the separation effect of the light and heavy substance garbage is greatly improved.

As shown in fig. 1 to 3, the garbage winnowing machine comprises a frame 1, a box body 2 and an air blower 3 are supported and installed on the frame 1, a feed inlet 41 and an air suction opening 51 are formed in the box body, a feed hopper 4 is correspondingly arranged above the feed inlet 41, an air suction pipe 5 is arranged above the air suction opening 51, the air suction pipe 5 is communicated with the air blower 3, two material stirring rollers are obliquely arranged in the box body 2, a blanking interval 214 is formed between the two material stirring rollers, an air flow channel 215 is arranged below the blanking interval, and separation of light and heavy material mixed garbage is realized through matching of the air blower 5 and the two material stirring rollers.

As shown in FIG. 1, the frame 1 comprises a support plate 11 and support legs 12, the support plate 11 is located above the support legs 12 to support and mount the box 2 and the blower 3, a plurality of support legs 12 are provided to ensure that the support plate 12 can stably support the box 2 and the blower 3, and the support legs are uniformly distributed below the support plate 11 and are welded and fixed with the support plate 11.

The air blower 3 is fixedly installed at the front end of the supporting plate 11, the air blower 3 is provided with a blowing pipe 31 and an air inlet 32, one side of the blowing pipe 31 is communicated with the air blower 3, the other side of the blowing pipe 31 is communicated with the box body 2 so as to convey air flow blown out by the air blower 3 into the box body 2, and the air inlet 32 is communicated with the air suction pipe 5.

The box body 2 is fixedly arranged above the supporting plate 11, and the inner cavity of the box body 2 is divided into a separation chamber 21 and a conveying chamber 22.

The front side of the box body 2 is divided into a separation chamber 21, an air flow passage 215 is provided in the separation chamber 21 near the blower 23, and the air flow passage 215 is communicated with the blowpipe 3 of the blower 3 to blow out the air flow in the blowpipe 31 through the blowing port of the air flow passage 215.

A feeding hole 41 is formed above the separating chamber 21, a feeding hopper 4 is arranged right above the feeding hole 41, the feeding hopper 4 is of a conical opening structure, the upper part is wide, the lower part is narrow, the outer part of the separating chamber 21 is communicated with the inner cavity of the separating chamber 21, and the feeding hopper is used for guiding and pouring the light and heavy substance mixed garbage 6 to be separated into the inner cavity of the separating chamber 21.

A first material stirring roller 211 is arranged under the feeding port 41, the first material stirring roller 211 is fixedly arranged on the inner cavity wall of the separation chamber 21, the first material stirring roller 211 is arranged close to the front side of the bottom of the feeding hopper 4 to form a rotating gap 216, the first material stirring roller 211 is arranged far away from the rear side of the bottom of the feeding hopper 4 to form a discharging port 217, so that the lifted garbage can be stirred by the first material stirring roller 211 to be conveyed backwards, a motor 7 is arranged outside the first material stirring roller 211 corresponding to the box body 2, the motor 7 is in transmission connection with the first material stirring roller 211 to drive the first material stirring roller 211 to rotate in the separation chamber 21, the rotating first material stirring roller 211 is in direct contact with the light and heavy material mixed garbage 6 falling from the feeding port 41, and the light and heavy material mixed garbage 6 is thrown and lifted towards the rear of the first material stirring roller 211.

A second material stirring roller 212 is arranged below the first material stirring roller 211, the second material stirring roller 212 is also arranged on the inner cavity wall of the separation chamber 21, specifically, the lower part of the rear side of the first material stirring roller 211 is arranged, the second material stirring roller 212 and the first material stirring roller 211 are arranged in a downward staggered mode and are connected with the first material stirring roller 211 through chain transmission, synchronous transmission is achieved, so that light and heavy material mixed garbage thrown backwards by the first material stirring roller 211 is received, and a blanking interval 214 exists between the second material stirring roller 212 and the first material stirring roller 211 so that the heavy material garbage falls through the blanking interval 214 and is discharged out of the separation chamber 21.

A discharge opening is formed below the separation chamber 21, and the discharge opening is a heavy material garbage discharge opening 213, and the heavy material garbage discharge opening 213 is located right below the blanking interval 214 to discharge the heavy material garbage falling through the blanking interval 214 out of the separation chamber 21.

The rear half part of the inner cavity of the box body 2 is a conveying chamber 22, the conveying chamber 22 is communicated with the separation chamber 21, a light material garbage conveying belt is arranged in the conveying chamber 22, the light material garbage conveying belt extends along the front-back direction, and the front end of the light material garbage conveying belt is positioned below the second material stirring roller 212 so as to receive the light material garbage thrown backwards and falling by the second material stirring roller 212; a light material garbage discharge opening 221 is arranged below the tail end of the conveying belt, so that the light material garbage falling from the tail end of the light material garbage conveying belt falls and is discharged out of the conveying chamber 22.

The top of a separation chamber 21 of the garbage winnowing machine is provided with an air suction opening 51, the top of a conveying chamber 22 is provided with two air suction openings 51, the upper part of each air suction opening 51 is communicated with an air suction pipe 5, the air suction pipe 5 is divided into a main pipe 52 and branch pipes 53, each branch pipe 53 corresponds to each air suction opening 51 one by one, each branch pipe 53 is provided with a conical pipe section 54, and the conical pipe section 54 is gradually reduced towards the direction far away from the air suction opening 51 and is correspondingly communicated with each air suction opening 51; the manifold 52 connects the branch pipes 53 together and communicates with the air inlet 32 of the blower 3 to converge and convey the air flow sucked by each branch pipe 51 into the blower 3, forming a circulation loop of the air flow.

When separating the light and heavy substance mixed garbage, the blower 3 and the motor 1 are started firstly, and the light and heavy substance mixed garbage is poured into the separating chamber 21 from the feeding hopper. The light and heavy material mixed garbage 6 falling from the feeding hopper 4 directly contacts with the rotating first material stirring roller 211, is thrown backwards by the first material stirring roller 211, and is blown backwards by the airflow blown out from the blanking interval 214, because part of the heavy material garbage has larger mass, the heavy material garbage cannot be blown up by the airflow blown out from the blanking interval 214, and directly discharged out of the separation chamber 21 through the blanking interval 214 and the heavy material garbage discharge opening 213, the light material garbage is blown backwards by the airflow blown out from the blanking interval 214, falls onto the light material garbage conveying belt of the conveying chamber 22 after passing through the second material stirring roller 212, is conveyed to the tail end of the light material garbage conveying belt to fall, and is discharged out of the conveying chamber 22 through the light material garbage discharge opening 221.

Part of the light and heavy material mixed garbage is thrown backwards by the first material stirring roller 211 and falls onto the second material stirring roller 212, the part of the light and heavy material mixed garbage rebounds after contacting the second material stirring roller 212, the heavy material garbage is discharged out of the separation chamber through the blanking interval 214 and the heavy material garbage discharge opening 213, the light material garbage is blown backwards by air flow blown out of the blanking interval 214, falls onto a light material garbage conveying belt of the conveying chamber 22 after passing over the second material stirring roller 212, is conveyed to the tail end of the conveying chamber by the light material garbage conveying belt and falls, and is discharged out of the conveying chamber 22 through the light material garbage discharge opening 221, and then the separation work of the light and heavy material mixed garbage can be completed.

The utility model provides a garbage winnowing machine which is provided with a first material shifting roller and a second material shifting roller, wherein airflow blown out by an air blower winnows light and heavy material mixed garbage from a blanking interval between the two material shifting rollers, the first material shifting roller is firstly contacted with the light and heavy material mixed garbage to throw the light and heavy material mixed garbage backwards, the heavy material garbage directly falls through the blanking interval to be discharged, the light material garbage is blown backwards by the airflow blown out from the blanking interval to directly pass through the second material shifting roller to realize first separation, the light and heavy material mixed garbage thrown backwards by the first material shifting roller and falling on the second material shifting roller is contacted with the second material shifting roller, the heavy material garbage falls through the blanking interval to be discharged, the light material garbage is blown backwards by the airflow blown out from the blanking interval to directly pass through the second material shifting roller to realize second separation, and the light and heavy material mixed garbage is subjected to twice separation operation, greatly improving the separation effect of the light and heavy material garbage and improving the separation work efficiency.

The specific embodiment 2 of the garbage winnowing machine provided by the utility model comprises the following steps:

the difference between the material shifting device and the embodiment 1 mainly lies in that in the embodiment 1, the first material shifting roller is in transmission connection with the second material shifting roller through a chain wheel, and the motor drives the first material shifting roller to drive the second material shifting roller to realize synchronous rotation. In this embodiment, first material roller and the second material roller of dialling do not set up the transmission connection relation, and two material rollers of dialling are by a motor drive respectively to avoid the dead unable normal separation work that leads to rubbish air separator of chain card.

The specific embodiment 3 of the garbage winnowing machine provided by the utility model comprises the following steps:

the difference between the embodiment 1 and the embodiment 1 is mainly that in the embodiment 1, a feed hopper is arranged above the feed inlet, so that the light and heavy substance mixed garbage can be poured into the separation chamber to separate the light and heavy substance garbage. In this embodiment, the feed inlet department intercommunication has the charge-in pipeline, and the charge-in pipeline carries light and heavy material mixed waste to the separating chamber in to guarantee the health around the garbage sorting machine equipment.

The specific embodiment 4 of the garbage winnowing machine provided by the utility model is as follows:

the difference from the embodiment 1 is mainly that in the embodiment 1, the box body and the blower are supported and installed on the frame so as to communicate the box body with the blower. In this embodiment, the box body is supported and installed on the frame, and the frame side is equipped with the air-blower mount pad, and the air-blower support is installed on the air-blower mount pad to communicate box body and air-blower.

The specific embodiment 5 of the garbage winnowing machine provided by the utility model comprises the following steps:

the difference between the box body and the embodiment 1 is mainly that in the embodiment 1, an air suction opening is formed in the top of the box body, an air suction pipe is communicated above the air suction opening, the air suction pipe is communicated with an inner cavity of the box body and an air blower to suck air in the inner cavity of the box body back and convey the air to the air blower to form a circulation loop, in the embodiment, the top of the box body is in a sealing structure, and the air suction hole and the air suction pipe are not arranged, so that the structure of the winnowing machine is simplified.

Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A trash air separator comprising:

the device comprises a box body (2), wherein a separation chamber (21) is arranged at the front part of the box body (2), and a feeding hole (41) is formed in the box body corresponding to the separation chamber (21);

the blower (3) is provided with a blowing pipe (31), and air flow is blown into the separation chamber (21) to blow the light garbage backwards;

the material stirring roller is arranged in the separation chamber (21);

it is characterized by also comprising:

the two material stirring rollers comprise a first material stirring roller (211) and a second material stirring roller (212);

the first material stirring roller (211) is arranged corresponding to the feeding hole (41) and is used for stirring and lifting the light and heavy material mixed garbage (6) backwards;

the second material stirring roller (212) is positioned at the rear side of the first material stirring roller (211), and the second material stirring roller (212) is arranged downwards in a staggered manner relative to the first material stirring roller (211) so as to stir and lift the material stirred and lifted by the first material stirring roller (211) again;

a blanking interval (214) is formed between the two material stirring rollers, a heavy material garbage discharging opening (213) is formed in the lower portion of the box body (2), and the heavy material garbage discharging opening (213) corresponds to the blanking interval (214) so that heavy material garbage can fall down;

the separating chamber (21) is provided with an air flow channel (215), the air flow channel (215) is supplied with air by a blowing pipe (31), the air flow channel (215) obliquely and upwards extends from front to back, and an air outlet of the air flow channel (215) corresponds to the blanking interval (214) so as to carry out air separation on the garbage stirred and raised by the two stirring rollers.

2. The trash air separator according to claim 1, characterized in that said first and second kick-off rollers (211, 212) are mounted on the inner wall of said box (2), said first kick-off roller (211) being located directly below said feed inlet (41).

3. The trash air separator according to claim 1 or 2, characterized in that said first and second kick-off rollers (211, 212) are driven by at least one motor to rotate inside the box (2).

4. The trash air separator according to claim 3, wherein the first material stirring roller (211) and the second material stirring roller (212) are driven by the same motor (7), and the first material stirring roller (211) and the second material stirring roller (212) rotate synchronously through chain transmission or belt transmission.

5. The trash air separator according to claim 1 or 2, characterized in that a feed hopper (4) is arranged at the feed inlet (41), and the feed hopper (4) is positioned right above the first kick-off roller (211).

6. The trash air separator according to claim 5, characterized in that the front side of the bottom of the feeding hopper (4) is arranged close to the first material stirring roller (211) to form a rotating gap (216), and the rear side of the bottom of the feeding hopper (4) is arranged away from the first material stirring roller (211) to form a discharge hole (217) at the bottom of the feeding hopper (4) for the first material stirring roller (211) to stir the lifted trash to be conveyed backwards.

7. The trash air separator according to claim 1 or 2, wherein a transfer chamber (22) is disposed on the box body (2) behind the separation chamber (21), a light trash conveyor belt is disposed in the transfer chamber (22), and a light trash discharge opening (221) is disposed below the end of the light trash conveyor belt for allowing the light trash to fall.

8. The trash air separator according to claim 1 or 2, wherein an air suction opening (51) is formed in the top of the box body (2), and the air suction opening (51) is communicated with the air inlet (32) of the blower (3) through an air suction pipe (5) to form a circulation air path.

9. The trash air separator according to claim 8, wherein a plurality of air suction openings (51) are arranged, the air suction pipes (5) comprise a main pipe (52) and branch pipes (53), the main pipe (52) is communicated with the air inlet (32) of the air blower (3), each air suction opening (51) is communicated with the main pipe (52) through the branch pipe (53), a conical pipe section (54) is arranged at the end part of each branch pipe (53) communicated with the corresponding air suction opening (51), and the conical pipe section (54) is gradually reduced towards the direction far away from the air suction opening (51).

10. The trash air separator according to claim 1 or 2, characterized in that it comprises a frame (1), said box (2) and said blower (3) being both supported on said frame (1), the blower (3) being located at the front side of the box (2).

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