CN214107872U - Recoverable rubbish air separator of adjustable wind direction and recovery amount of wind - Google Patents

Abstract

The utility model discloses a recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind quantity, which comprises a fan, an air supply pipeline, a feeding mechanism, a feed inlet, a winnowing box, an air adjusting plate adjusting mechanism, a heavy material discharge port, a light material collecting and conveying mechanism and an air return mechanism; the air adjusting plate is arranged on the air adjusting plate adjusting device, the air adjusting plate and the air adjusting plate adjusting device are arranged above the feeding hole, one end of the air returning mechanism is arranged above the light material collecting and conveying mechanism, and the other end of the air returning mechanism is connected with the fan. The recoverable garbage winnowing machine capable of adjusting the wind direction and recovering the wind quantity can adjust different heights of the wind adjusting plates through the arranged wind adjusting plate adjusting mechanism, so that the wind direction of wind selection blowing air in the winnowing box is adjusted, and the winnowing efficiency is high; the air after winnowing can be recycled through the arranged air return mechanism, so that the air is recycled, and stronger air can be formed by using a fan with lower power, thereby saving energy and protecting environment.

Description

Recoverable rubbish air separator of adjustable wind direction and recovery amount of wind

Technical Field

The utility model relates to a winnowing machine technical field specifically is a recoverable rubbish winnowing machine of adjustable wind direction and recovery amount of wind.

Background

Along with the increase of urban population, the urban garbage yield is larger and larger, the environmental harm is more and more serious, the demand for garbage recycling is higher and higher, and particularly the garbage can be recycled. The recyclable garbage comprises waste paper, waste plastics, waste metals, waste packaging materials, waste textile fabrics, waste electrical and electronic products, waste glass, waste paper plastic-aluminum composite packaging and the like, and the recyclable garbage of the types are mixed together when people classify the garbage, so that the first task for recycling the recyclable garbage is garbage sorting.

The air separator is used for separating light materials and heavy materials by blowing, however, the existing garbage air separator has some disadvantages, such as small air inlet flow area, material convolution, mixing phenomenon of heavy garbage and light garbage in the separation process, and the like; in addition, in order to generate strong wind power, a high-power fan is generally used for blowing air, and then the air is directly discharged through an air outlet, so that energy waste is large.

Therefore, the above problems need to be solved.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above not enough, the utility model aims at providing a recoverable rubbish air separator of adjustable wind direction and recovery amount of wind can adjust the wind direction, improves selection by winnowing efficiency to realize the cyclic utilization of wind, the energy saving.

The technical scheme is as follows: in order to realize the aim, the utility model provides a recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind quantity, which comprises a fan, a wind supply pipeline, a feeding mechanism, a feeding hole, a winnowing box, a wind adjusting plate adjusting mechanism, a heavy material discharging hole, a light material collecting and conveying mechanism and a wind returning mechanism; the air supply pipeline is connected with the fan and the winnowing box, the feeding mechanism is arranged above one end, close to the fan, of the winnowing box, the feeding hole is arranged above one end, connected with the winnowing box, of the air supply pipeline, the air adjusting plate adjusting mechanism is arranged on a top plate in the winnowing box, the air adjusting plate is arranged on the air adjusting plate adjusting mechanism, and the air adjusting plate adjusting mechanism are arranged above the feeding hole; the heavy material discharge port is arranged below one end of the air supply pipeline connected with the winnowing box, the light material discharge port is arranged at one end of the winnowing box far away from the fan, the light material collecting and conveying mechanism is arranged at one side of the feed port far away from the fan, one end of the air return mechanism is arranged above the light material collecting and conveying mechanism, and the other end of the air return mechanism is connected with the fan.

Furthermore, the recyclable garbage air separator capable of adjusting the wind direction and recycling the air volume further comprises an air outlet pipeline, wherein one end of the air outlet pipeline is connected with the middle part of the air supply pipeline, and the other end of the air outlet pipeline is arranged on one side, close to the fan, of the air separation box; the wind shield is hinged to the joint of the air outlet pipeline and the air supply pipeline.

Further, foretell recoverable rubbish air separator of adjustable wind direction and recovery amount of wind, the upper wall of winnowing box is equipped with air adjusting plate, air adjusting plate establishes in air adjusting plate top, the one end that air adjusting plate kept away from the fan is first connecting portion, the one end that air adjusting plate was close to the fan is second connecting portion, first connecting portion articulate at the winnowing box upper wall, second connecting portion articulate in air adjusting plate adjustment mechanism below.

Further, the air adjusting plate comprises an arc-shaped part and a right-angle connecting part, the arc-shaped part is arranged at one end far away from the fan, an air adjusting plate bottom plate is arranged below the arc-shaped part, and the air adjusting plate bottom plate is connected with the air adjusting plate and the air adjusting plate adjusting pressure plate through a group of fasteners; the air adjusting plate is matched with the air adjusting plate bottom plate and the air adjusting plate adjusting pressure plate in shape, and the air adjusting plate is attached to the inner walls of the two sides of the winnowing box.

Further, foretell recoverable rubbish air separator of adjustable wind direction and recovery amount of wind, air adjusting plate adjustment mechanism includes screw rod, last stop nut, switching portion, the selection by winnowing box roof is worn to locate by the screw rod, go up the stop nut cover and establish on the screw rod and in the selection by winnowing box roof outside, the screw thread phase-match of last stop nut and screw rod, switching portion one end is established in the screw rod below, and the second connecting portion are connected to the other end.

Furthermore, the recyclable garbage air separator capable of adjusting the wind direction and recycling the air volume further comprises a material shifting roller device, wherein the material shifting roller device comprises a driving motor, a rotating shaft and a roller, the driving motor is arranged on the outer wall of one side of the air separation box, and one end of the rotating shaft is connected with the driving motor, and the other end of the rotating shaft penetrates through the air separation box; the roller is arranged in the winnowing box and sleeved on the rotating shaft, and the roller is arranged below the bottom plate of the air adjusting plate.

Further, foretell recoverable rubbish air separator of adjustable wind direction and recovery amount of wind, light material is collected conveying mechanism and is included collection box, conveyer belt, the collection box is established in the conveyer belt top, the one end of the nearly fan of conveyer belt is established in the feed inlet below, the one end that the fan was kept away from to the conveyer belt is higher than the one end of nearly fan.

Further, foretell recoverable rubbish air separator of adjustable wind direction and recovery amount of wind, return air mechanism includes that a set of return air case, a set of return air divide pipe, return air pipeline, return air case is established at collection box top, return air divides union coupling return air case and return air pipeline, the fan is connected to the return air pipeline other end.

Further, foretell recoverable rubbish air separator of adjustable wind direction and recovery amount of wind still includes the support, the support includes first support, a set of second support, a set of third support, first support is established in the fan below, the second support is established in the both sides of the nearly fan of winnowing box, the second support has inverted triangle portion and first vertical portion, inverted triangle portion establishes in first vertical portion top, connects the outer bottom surface of winnowing box, the third support is established in the both sides that the fan was kept away from to the winnowing box.

Furthermore, the support of the recoverable garbage air separator capable of adjusting the wind direction and recovering the air volume further comprises a group of fourth supports and a group of fifth supports; the fourth support is arranged on one side, close to the fan, below the conveying belt and provided with an acute-angle triangular part, an obtuse-angle triangular part and a second vertical part, the acute-angle triangular part is arranged on one side, close to the fan, of the second vertical part and connected with the bottom surface of the conveying belt, and the obtuse-angle triangular part is arranged on one side, far away from the fan, of the second vertical part and connected with the bottom surface of the conveying belt; the fifth support is arranged on one side, far away from the fan, of the lower portion of the conveying belt, the fifth support comprises a third vertical portion, a fourth vertical portion and a group of horizontal portions, the fourth vertical portion is arranged on one side, far away from the fourth support, of the lower portion of the conveying belt, the third vertical portion is arranged between the fourth support and the fourth vertical portion, and the horizontal portions are arranged between the third vertical portion and the fourth vertical portion.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the recoverable garbage winnowing machine capable of adjusting the wind direction and recovering the wind quantity can adjust different heights of the wind adjusting plates through the arranged wind adjusting plate adjusting mechanism, so that the wind direction of wind selection blowing air in the winnowing box is adjusted, and the winnowing efficiency is high; the air after winnowing can be recycled through the arranged air return mechanism, so that the air is recycled, and stronger air can be formed by using a fan with lower power, thereby saving energy and protecting environment.

Drawings

Fig. 1 is a first schematic structural view of the recyclable garbage air separator with adjustable wind direction according to the present invention;

FIG. 2 is a top view of the wind direction adjustable recyclable garbage air separator of the present invention;

FIG. 3 is a left side view of the wind direction adjustable recyclable garbage air separator of the present invention;

fig. 4 is a second schematic structural view of the recoverable garbage air separator with adjustable wind direction according to the present invention;

FIG. 5 is a schematic structural view of an air adjusting plate of the recyclable garbage air separator with adjustable wind direction according to the present invention;

FIG. 6 is a schematic structural view of an air adjusting plate adjusting mechanism of the recyclable garbage air separator with adjustable wind direction according to the present invention;

in the figure: 1. a fan; 2. an air supply duct; 21. an air outlet pipeline; 22. a wind deflector; 3. a feeding mechanism; 4. a feed inlet; 5. a winnowing box; 51. a heavy material outlet; 52. a light material outlet; 53. the material shifting roller is transposed; 531. a drive motor; 532. a rotating shaft; 533. a roller; 61. an air adjusting plate; 611. an arc-shaped portion; 612. a right-angled connecting portion; 62. an air adjusting plate adjusting mechanism; 621. a screw; 622. an upper limiting nut; 623. a switching part; 63. adjusting the pressure plate; 631. a first connection portion; 632. a second connecting portion; 64. a bottom plate of the air adjusting plate; 641. a fastener; 7. a light material collecting and conveying mechanism; 71. a collection box body; 72. a conveyor belt; 8. an air return mechanism; 81. an air return box; 82. air return branch pipes; 83. a return air duct; 9. a support; 91. a first bracket; 92. a second bracket; 921. an inverted triangular portion; 922. a first vertical portion; 93. a third support; 94. a fourth bracket; 941. an acute-angled triangular portion; 942. an obtuse triangular portion; 943. a second vertical portion; 95. a fifth support; 951. a third vertical portion; 952. a fourth vertical portion; 953. a horizontal portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

The recoverable garbage winnowing machine capable of adjusting the wind direction and recovering the wind quantity as shown in the figures 1-6 comprises a fan 1, a wind supply pipeline 2, a feeding mechanism 3, a feeding hole 4, a winnowing box 5, an air adjusting plate 61, an air adjusting plate adjusting mechanism 62, a heavy material discharging hole 51, a light material discharging hole 52, a light material collecting and conveying mechanism 7 and a wind returning mechanism 8; the air supply pipeline 2 is connected with the fan 1 and the winnowing box 5, the feeding mechanism 3 is arranged above one end, close to the fan 1, of the winnowing box 5, the feeding port 4 is arranged above one end, connected with the winnowing box 5, of the air supply pipeline 2, the air adjusting plate adjusting mechanism 62 is arranged on a top plate inside the winnowing box 5, the air adjusting plate 61 is arranged on the air adjusting plate adjusting mechanism 62, and the air adjusting plate 61 and the air adjusting plate adjusting mechanism 62 are arranged above the feeding port 4; the heavy material discharge port 51 is arranged below one end of the air supply pipeline 2 connected with the winnowing box 5, the light material discharge port 52 is arranged at one end of the winnowing box 5 far away from the fan 1, the light material collecting and conveying mechanism 7 is arranged at one side of the feed port 4 far away from the fan 1, one end of the air return mechanism 8 is arranged above the light material collecting and conveying mechanism 7, and the other end of the air return mechanism is connected with the fan 1.

The air-out device also comprises an air-out pipeline 21, wherein one end of the air-out pipeline 21 is connected with the middle part of the air supply pipeline 2, and the other end is arranged at one side of the air separation box 5 close to the fan 1; the joint of the air outlet pipeline 2 and the air supply pipeline 21 is also provided with a wind shield 22, and the wind shield 22 is hinged at the joint of the air outlet pipeline 2 and the air supply pipeline 21.

Wherein, the upper wall of winnowing box 5 is equipped with air adjusting plate 63, air adjusting plate 63 establishes in air adjusting plate 61 top, the one end that air adjusting plate 63 kept away from fan 1 is first connecting portion 631, the one end that air adjusting plate 63 is close to fan 1 is second connecting portion 632, first connecting portion 631 articulates at winnowing box 5 upper wall, second connecting portion 632 articulates in air adjusting plate adjustment mechanism 62 below.

The air adjusting plate 61 comprises an arc part 611 and a right-angle connecting part 612, the arc part 611 is arranged at one end far away from the fan 1, an air adjusting plate bottom plate 64 is arranged below the arc part 611, and the air adjusting plate bottom plate 64 is connected with the air adjusting plate 61 and the air adjusting plate adjusting pressure plate 63 through a group of fasteners 641; the shape of the air adjusting plate 61 is matched with that of the air adjusting plate bottom plate 64 and the air adjusting plate adjusting pressing plate 62, and the air adjusting plate 61 is attached to the inner walls of two sides of the winnowing box 5.

And, air adjusting plate adjustment mechanism 62 includes screw 621, last stop nut 622, switching portion 623, 5 roofs of winnowing box are worn to locate by screw 621, go up stop nut 622 cover and establish on screw 621 and establish in 5 roofs of winnowing box outside, go up stop nut 622 and screw 621's screw thread phase-match, switching portion 623 one end is established in screw 621 below, and the second connecting portion 632 is connected to the other end.

Further, the material poking roller device 53 is further included, the material poking roller device 53 comprises a driving motor 531, a rotating shaft 532 and a roller 533, the driving motor 531 is arranged on the outer wall of one side of the air separation box 5, one end of the rotating shaft 532 is connected with the driving motor 531, and the other end of the rotating shaft 532 penetrates through the air separation box 5; the roller 533 is arranged in the winnowing box 5 and sleeved on the rotating shaft 532, and the roller 533 is arranged below the bottom plate of the air adjusting plate 61.

The light material collecting and conveying mechanism 7 comprises a collecting box body 71 and a conveying belt 72, wherein the collecting box body 71 is arranged above the conveying belt 72, one end of the conveying belt 72, which is close to the fan 1, is arranged below the feed port 4, and one end of the conveying belt 72, which is far away from the fan 1, is higher than one end of the conveying belt, which is close to the fan 1.

Further, the return air mechanism 8 comprises a set of return air box 81, a set of return air branch pipe 82 and a return air pipeline 83, the return air box 81 is arranged at the top of the collecting box body 71, the return air branch pipe 82 is connected with the return air box 81 and the return air pipeline 83, and the other end of the return air pipeline 83 is connected with the fan 1.

And then, still include support 9, support 9 includes first support 91, a set of second support 92, a set of third support 93, first support 91 is established in fan 1 below, second support 92 is established in the nearly fan 1's of winnowing box 5 both sides, second support 92 has inverted triangle portion 921 and first vertical portion 922, inverted triangle portion 921 is established in first vertical portion 922 top, connects winnowing box 5 outer bottom surface, third support 93 is established in winnowing box 5 both sides of keeping away from fan 1.

Moreover, the brackets 9 further include a set of fourth brackets 94, a set of fifth brackets 95; the fourth bracket 94 is arranged on one side, close to the fan 1, below the conveyor belt 72, the fourth bracket 94 is provided with an acute-angle triangular part 941, an obtuse-angle triangular part 942 and a second vertical part 943, the acute-angle triangular part 941 is arranged on one side, close to the fan 1, of the second vertical part 943 and is connected with the bottom surface of the conveyor belt 72, and the obtuse-angle triangular part 942 is arranged on one side, far away from the fan 1, of the second vertical part 943 and is connected with the bottom surface of the conveyor belt 72; fifth support 95 is established in the side of keeping away from fan 1 below conveyer belt 72, fifth support 95 includes third vertical portion 951, fourth vertical portion 952 and a set of horizontal part 953, fourth vertical portion 952 is established in the side of keeping away from fourth support 94 below conveyer belt 72, third vertical portion 951 is established between fourth support 94 and fourth vertical portion 952, horizontal part 953 is established between third vertical portion 951 and fourth vertical portion 952.

Recoverable rubbish air separator of adjustable wind direction's theory of operation do:

the feeding mechanism 3 conveys recoverable garbage into the winnowing box 5, the fan 1 continuously blows air into the winnowing box 5 through the air supply pipeline 2, the recoverable garbage falling into the winnowing box 5 is winnowed through the air supply pipeline 2 continuously to wind in the winnowing box 5, heavier materials cannot be blown up by the wind, so that the heavier materials are discharged from the heavy material discharge port 51, the lighter materials are blown up by the wind, cross over the material stirring roller device 53, the light materials are discharged from the light material discharge port 52 to the light materials collecting and conveying mechanism 7, the heavy materials are settled on the conveying belt 72 in the collecting box body 71, and the next process is entered under the action of the conveying belt 72.

The excess wind is collected by the return wind box 81, enters the return wind pipe 83 through the return wind branch pipe 82 and finally returns to the fan 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. A recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume is characterized by comprising a fan (1), a wind supply pipeline (2), a feeding mechanism (3), a feeding hole (4), a winnowing box (5), a wind adjusting plate (61), a wind adjusting plate adjusting mechanism (62), a heavy material discharging hole (51), a light material discharging hole (52), a light material collecting and conveying mechanism (7) and a wind returning mechanism (8); the air supply pipeline (2) is connected with the fan (1) and the winnowing box (5), the feeding mechanism (3) is arranged above one end, close to the fan (1), of the winnowing box (5), the feed port (4) is arranged above one end, connected with the winnowing box (5), of the air supply pipeline (2), the air adjusting plate adjusting mechanism (62) is arranged on a top plate inside the winnowing box (5), the air adjusting plate (61) is arranged on the air adjusting plate adjusting mechanism (62), and the air adjusting plate (61) and the air adjusting plate adjusting mechanism (62) are arranged above the feed port (4); heavy material discharge gate (51) are established in the below of the one end that blast pipe (2) is connected winnowing box (5), light material discharge gate (52) are established in the one end that winnowing box (5) kept away from fan (1), light material is collected conveying mechanism (7) and is established in one side that fan (1) was kept away from in feed inlet (4), return air mechanism (8) one end is established in the top that light material was collected conveying mechanism (7), and fan (1) is connected to the other end.

2. The recyclable garbage air separator capable of adjusting the wind direction and recycling the wind volume according to claim 1, further comprising an air outlet pipeline (21), wherein one end of the air outlet pipeline (21) is connected with the middle part of the air supply pipeline (2), and the other end of the air outlet pipeline is arranged on one side of the air separation box (5) close to the fan (1); the air outlet pipeline (21) and the air supply pipeline (2) are connected through a hinge, and a wind shield (22) is further arranged at the joint of the air outlet pipeline (21) and the air supply pipeline (2).

3. The recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 1, characterized in that the upper wall of the winnowing box (5) is provided with an air adjusting plate adjusting pressure plate (63), the air adjusting plate adjusting pressure plate (63) is arranged above the air adjusting plate (61), one end of the air adjusting plate adjusting pressure plate (63) far away from the fan (1) is a first connecting part (631), one end of the air adjusting plate adjusting pressure plate (63) close to the fan (1) is a second connecting part (632), the first connecting part (631) is hinged on the upper wall of the winnowing box (5), and the second connecting part (632) is hinged below the air adjusting plate adjusting mechanism (62).

4. The recyclable garbage winnowing machine capable of adjusting the wind direction and recovering the wind volume according to claim 3, characterized in that the air adjusting plate (61) comprises an arc-shaped part (611) and a right-angle connecting part (612), the arc-shaped part (611) is arranged at one end far away from the fan (1), an air adjusting plate bottom plate (64) is arranged below the arc-shaped part (611), and the air adjusting plate bottom plate (64) is connected with the air adjusting plate (61) and the air adjusting plate adjusting pressure plate (63) through a set of fasteners (641); the shape of the air adjusting plate (61) is matched with that of the air adjusting plate bottom plate (64) and the air adjusting plate adjusting pressing plate (63), and the air adjusting plate (61) is attached to the inner walls of two sides of the winnowing box (5).

5. The recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 3, wherein the wind adjusting plate adjusting mechanism (62) comprises a screw rod (621), an upper limiting nut (622) and an adapter part (623), the screw rod (621) penetrates through a top plate of the winnowing box (5), the upper limiting nut (622) is sleeved on the screw rod (621) and arranged on the outer side of the top plate of the winnowing box (5), the upper limiting nut (622) is matched with a thread of the screw rod (621), one end of the adapter part (623) is arranged below the screw rod (621), and the other end of the adapter part (623) is connected with the second connecting part (632).

6. The recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 1, further comprising a material poking roller device (53), wherein the material poking roller device (53) comprises a driving motor (531), a rotating shaft (532) and a roller (533), the driving motor (531) is arranged on the outer wall of one side of the winnowing box (5), one end of the rotating shaft (532) is connected with the driving motor (531), and the other end of the rotating shaft penetrates through the winnowing box (5); the roller (533) is arranged in the winnowing box (5) and sleeved on the rotating shaft (532), and the roller (533) is arranged below the bottom plate of the air adjusting plate (61).

7. The recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 1, characterized in that the light material collecting and conveying mechanism (7) comprises a collecting box body (71) and a conveying belt (72), the collecting box body (71) is arranged above the conveying belt (72), one end of the conveying belt (72) close to the fan (1) is arranged below the feed port (4), and one end of the conveying belt (72) far away from the fan (1) is higher than one end close to the fan (1).

8. The recyclable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 1, characterized in that the air return mechanism (8) comprises a set of air return boxes (81), a set of air return branch pipes (82) and an air return pipeline (83), wherein the air return boxes (81) are arranged at the top of the collection box body (71), the air return branch pipes (82) are connected with the air return boxes (81) and the air return pipeline (83), and the other end of the air return pipeline (83) is connected with the fan (1).

9. The recoverable garbage winnowing machine capable of adjusting wind direction and recovering wind volume according to claim 1, further comprising a support (9), wherein the support (9) comprises a first support (91), a set of second supports (92) and a set of third supports (93), the first support (91) is arranged below the fan (1), the second support (92) is arranged at two sides of the winnowing box (5) close to the fan (1), the second support (92) is provided with an inverted triangle part (921) and a first vertical part (922), the inverted triangle part (921) is arranged above the first vertical part (922) to connect the outer bottom surface of the winnowing box (5), and the third supports (93) are arranged at two sides of the winnowing box (5) far away from the fan (1).

10. The recyclable garbage air separator with adjustable wind direction and recoverable air volume of claim 9, wherein the rack (9) further comprises a set of fourth racks (94), a set of fifth racks (95); the fourth support (94) is arranged on one side, close to the fan (1), below the conveyor belt (72), the fourth support (94) is provided with an acute-angle triangular part (941), an obtuse-angle triangular part (942) and a second vertical part (943), the acute-angle triangular part (941) is arranged on one side, close to the fan (1), of the second vertical part (943) and is connected with the bottom surface of the conveyor belt (72), the obtuse-angle triangular part (942) is arranged on one side, far away from the fan (1), of the second vertical part (943) and is connected with the bottom surface of the conveyor belt (72); establish in conveyer belt (72) below one side of keeping away from fan (1) fifth support (95), fifth support (95) include third vertical portion (951), fourth vertical portion (952) and a set of horizontal part (953), one side of keeping away from fourth support (94) in conveyer belt (72) below is established in fourth vertical portion (952), establish between fourth support (94) and fourth vertical portion (952) third vertical portion (951), establish between third vertical portion (951) and fourth vertical portion (952) horizontal part (953).

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