CN213792841U

CN213792841U - Air quantity recovery device of winnowing machine

Info

Publication number: CN213792841U
Application number: CN202022685605.2U
Authority: CN
Inventors: 马志刚; 顾雪芳; 何小伟
Original assignee: Wanchen Environmental Technology Co ltd
Current assignee: Wanchen Environmental Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-27
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses an air quantity recovery device of a winnowing machine, which comprises a fan (1), an air pipe (2), a group of air suction boxes (3), a group of auxiliary air pipes (4), a filter screen (5) and an air supplementing device (6); air intake at fan (1) is established in tuber pipe (2), the one end of keeping away from fan (1) in tuber pipe (2) is established in case (3) that induced drafts, assist tuber pipe (4) and connect tuber pipe (2) and case (3) that induced drafts, induced draft case (3) and assist still being equipped with filter screen (5) between tuber pipe (4), mend the one end of establishing in tuber pipe (2) nearly fan (1) in wind device (6), case (3) symmetry that induced drafts is established in tuber pipe (2) both sides. Winnowing machine amount of wind recovery unit can make wind cyclic utilization, reach and use the lower power fan can form comparatively powerful wind, greatly saved the energy.

Description

Air quantity recovery device of winnowing machine

Technical Field

The utility model relates to a selection by winnowing machine technical field specifically is a selection by winnowing machine amount of wind recovery unit.

Background

With the increase of urban population, the urban garbage yield is larger and larger, the harm to the environment is increasingly serious, and as far as China is concerned, the problem of solid waste is serious, and the resource situation is worried. For the produced urban garbage, the best treatment method is to recover the available substances from the garbage, namely, the garbage is recycled, and the first work of recycling the garbage is to sort the garbage, so that the available substances are better recovered. With the development and progress of science and technology, the air separation technology is more and more widely applied to the field of garbage classification.

The air separator is a machine for separating light materials and heavy materials by blowing, and the existing air separator usually needs to adopt a high-power fan to blow air in order to generate strong wind power and then directly discharges the air through an air outlet, so that the 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 defects, the utility model aims to provide a winnowing machine air volume recovery device, which can recycle the air, and can form stronger air by using a lower-power fan, thereby greatly saving the energy.

The technical scheme is as follows: in order to achieve the aim, the utility model provides an air quantity recovery device of a winnowing machine, which comprises a fan, an air pipe, a group of air suction boxes, a group of auxiliary air pipes, a filter screen and an air supplementing device; the air pipe is connected with an air inlet of the fan, the air suction box is arranged at one end of the air pipe far away from the fan, and the auxiliary air pipe is connected with the air pipe and the air suction box. Air separator amount of wind recovery unit, retrieve the wind in the air separator through the suction box, pass to the tuber pipe through the auxiliary air pipe in, pass fan air intake department back through the tuber pipe to realize the circulation of wind, can form powerful wind, the energy can be saved under the lower power of fan.

Furthermore, the air quantity recovery device of the air separator is also provided with a filter screen between the air suction box and the auxiliary air pipe. The air quantity recovery device of the air separator can filter sundries in air recovered from the air separator by the filter screen, and prevents the sundries from entering the fan along with the air circulation through the air pipe, thereby influencing the working efficiency and the service life of the fan.

Furthermore, the air volume recovery device of the air separator is provided with an opening below the air suction box. Air quantity recovery device of a winnowing machine, the opening is used for connecting the winnowing machine, and the wind in the winnowing machine passes through the opening and gets into the case that induced drafts.

Furthermore, in the air quantity recovery device of the air separator, the air suction boxes are symmetrically arranged on two sides of the air pipe. Winnowing machine amount of wind recovery unit, the symmetry sets up the case that induced drafts and is favorable to the smooth circulation that forms of wind, avoids indiscriminate stream.

Furthermore, foretell air separator amount of wind recovery unit, be equipped with the grid plate in the suction box, still be equipped with a set of spike and a set of short nail on the grid plate, spike and short nail are established in the nearly open-ended one side of grid plate.

Furthermore, according to the air quantity recovery device of the air separator, the long nails and the short nails are distributed on the intersection points of the grid plates in a staggered manner. The grid plate is arranged in the air suction box of the air quantity recovery device of the winnowing machine, so that large sundries entering the air suction box along with wind can be prevented, and the service time of the filter screen is prolonged; the staggered long nails and short nails form staggered layers, so that the blockage caused by the fact that a large number of sundries completely cover the grid plate can be prevented.

Furthermore, the air quantity recovery device of the air separator further comprises an air supplementing device, and the air supplementing device is arranged at one end of the air pipe close to the fan. Air supplementing device among the air quantity recovery device of the winnowing machine can supplement air when recovering that the air quantity is not enough, and the air quantity is increased.

Further, in the air volume recovery device of the air separator, a one-way air valve is arranged in the air supply device, the one-way air valve comprises a valve plate, two blades and two sealing baffles, and the valve plate comprises an annular part and a partition part; the two sides of the valve plate are separated by the separating part to form two valve ports, the blades are hinged to the separating part, the shapes and the positions of the blades are matched with the valve ports, and the sealing baffle is arranged on one surface, far away from the separating part, of each blade.

Furthermore, in the air volume recovery device of the air separator, the opening direction of the blade faces to one surface close to the air duct. The setting among the air recovery unit of air separator only allows wind to get into the pipeline from external environment, does not allow the interior wind of pipeline to discharge to the external world, makes the interior wind of pipeline form the inner loop, avoids not discharging in the environment with purified wind.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: winnowing machine amount of wind recovery unit can make wind cyclic utilization, use the fan of lower power can form comparatively powerful wind, greatly saved the energy.

Drawings

Fig. 1 is a schematic view of the air volume recovery device of the air separator of the present invention;

fig. 2 is a schematic view of an air suction box in the air volume recovery device of the air separator of the present invention;

fig. 3 is a front view of a grid plate in the air volume recovery device of the air separator of the present invention;

fig. 4 is a side view of a grid plate in the air volume recovery device of the air classifier of the present invention;

fig. 5 is a bottom view of a unidirectional air valve in the air volume recovery device of the winnowing machine of the present invention;

fig. 6 is a side view of a unidirectional air valve in the air volume recovery device of the winnowing machine of the present invention;

in the figure: 1. a fan; 2. an air duct; 3. an air suction box; 31. an opening; 32. a grid plate; 321. a long nail; 322. short nails; 4. an auxiliary air duct; 5. a filter screen; 6. a wind supplementing device; 7. a one-way air valve; 71. a valve plate; 711. an annular portion; 712. a partition portion; 713. a valve port; 72. a blade; 73. and sealing the baffle.

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 air volume recovery device of the air separator shown in fig. 1 comprises a fan 1, an air duct 2, a group of suction boxes 3 and a group of auxiliary air ducts 4; the air pipe 2 is connected with an air inlet of the fan 1, the air suction box 3 is arranged at one end of the air pipe 2 far away from the fan 1, and the auxiliary air pipe 4 is connected with the air pipe 2 and the air suction box 3.

As shown in fig. 2, a filter screen 5 is further disposed between the air suction box 3 and the auxiliary air duct 4.

Wherein, an opening 31 is arranged below the air suction box 3.

And, the suction boxes 3 are symmetrically arranged at both sides of the air pipe 2.

The grid plate 32 is arranged in the air suction box 3, the grid plate 32 is also provided with a group of long nails 321 and a group of short nails 322, and the long nails 321 and the short nails 322 are arranged on one side of the grid plate 32 close to the opening 31.

As shown in fig. 3-4, the long spikes 321 and the short spikes 322 are staggered at the intersections of the grid plate 32.

Further, the air supply device comprises an air supply device 6, wherein the air supply device 6 is arranged at one end of the air pipe 2 close to the fan 1.

As shown in fig. 5-6, a one-way air valve 7 is arranged in the air supply device 6, the one-way air valve 7 comprises a valve plate 71, two vanes 72 and two sealing baffles 73, and the valve plate 71 comprises an annular part 711 and a partition part 712; the partition 712 divides two sides of the valve plate 71 into two valve ports 713, the vane 72 is hinged on the partition 712, the shape and position of the vane 72 are matched with the valve ports 713, and the sealing baffle 73 is arranged on the surface of the vane 72 far away from the partition 712.

The opening direction of the vane 72 is directed toward the side near the duct 2.

Air quantity recovery device of winnowing machine at the during operation, wholly set up on the winnowing machine, the winnowing machine air intake is connected to fan 1 air outlet. After the fan 1 is started, the air suction box 3 recovers air in the air separator, the air enters the air pipe 2 through filtration, flows to the air inlet of the fan 1 through the air pipe 2, and then is transmitted to the air separator through the fan 1, so that the flowing circulation of the air is realized, and the air volume recovery is completed.

When the recovered air volume can not meet the air volume requirement of the winnowing machine, the air volume can be supplemented through the air supplementing device 6.

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

1. An air volume recovery device of a winnowing machine is characterized by comprising a fan (1), an air duct (2), a group of air suction boxes (3) and a group of auxiliary air ducts (4); the air inlet of the fan (1) is connected with the air pipe (2), one end of the air pipe (2) far away from the fan (1) is arranged on the air suction box (3), and the auxiliary air pipe (4) is connected with the air pipe (2) and the air suction box (3).

2. The air volume recovery device of the air separator according to claim 1, characterized in that a filter screen (5) is arranged between the suction box (3) and the auxiliary air duct (4).

3. The air volume recovery device of the air classifier according to claim 1, wherein an opening (31) is formed below the air suction box (3).

4. The air volume recovery device of the air classifier according to claim 1, wherein the air suction boxes (3) are symmetrically arranged on both sides of the air pipe (2).

5. The air volume recovery device of the air classifier according to claim 1, wherein a grid plate (32) is arranged in the air suction box (3), a group of long nails (321) and a group of short nails (322) are further arranged on the grid plate (32), and the long nails (321) and the short nails (322) are arranged on one side of the grid plate (32) close to the opening (31).

6. The wind power recovery device of wind separator according to claim 5, characterized in that said long nails (321) and short nails (322) are staggered at the intersections of the grid plates (32).

7. The air volume recovery device of the air separator according to claim 1, further comprising an air supplement device (6), wherein the air supplement device (6) is arranged at one end of the air pipe (2) close to the air blower (1).

8. The air volume recovery device of the air separator according to claim 7, characterized in that a one-way air valve (7) is arranged in the air supply device (6), the one-way air valve (7) comprises a valve plate (71), two blades (72) and two sealing baffles (73), and the valve plate (71) comprises an annular part (711) and a partition part (712); the two sides of the valve plate (71) are separated by the separating part (712) to form two valve ports (713), the blade (72) is hinged to the separating part (712), the shape and the position of the blade (72) are matched with those of the valve ports (713), and the sealing baffle plate (73) is arranged on one surface of the blade (72) far away from the separating part (712).

9. The air volume recovery device of the air classifier according to claim 8, wherein the opening direction of the blade (72) is toward the side near the air duct (2).