CN2404600Y

CN2404600Y - Apparatus for cleaning grains

Info

Publication number: CN2404600Y
Application number: CN 99257645
Authority: CN
Inventors: 张振华
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-24
Filing date: 1999-12-24
Publication date: 2000-11-08
Anticipated expiration: 2009-12-24

Abstract

The utility model relates to a grain cleaning device, which carries out the treatment of dust removal, impurity removal, and peeling. Because the utility model is provided with a wind separation device, a sand sieving wind channel communicated with a wind inlet is arranged in the wind separation device, the sand sieving wind channel is a channel with an inclined front part and a bent, flat, and wide back part, the bottom face of the front part of the sand sieving wind channel is provided with a sieve with an aperture which is less than the grain aperture, and thus, sand, dust, and glume shells in the grain can be separated under the action of negative-pressure wind force. Meanwhile, the utility model is also provided with a peeling and impurity removing device and a secondary wind separation device, which can further eliminate grain impurities and collapsed grains and carry out peeling and cleaning to the grains, and thus, the utility model can increase the grain quality, maintain the physical health of people, and also make grain storage mechanized. The utility model has the advantages of simple structure, high speed, good quality, and high yield.

Description

A kind of grain cleaning equipment

The utility model relates to a kind of grain cleaning equipment that grain is carried out dedusting, removal of impurities peeling processing.

Bread is the staff of life, as seen grain is of crucial importance to human lives, existence, yet in actual life, the part that all comes with some shortcomings in the results of grain, storage and the process has had a strong impact on the quality of grain, and for example wheat is when results, because mechanical harvesting causes and contains stalk and fringe head in the grain, because of containing impurity such as soil, stone in the grain, not only can cause grain mouldy, rotten, and the grain storage volume is strengthened during storage.In the grain processing process, especially the cleaning route is short between the flour mill wheat, can not be up to state standards, moreover the mouse excrement is difficult to eliminate, and directly influences and endangered people health.

The purpose of this utility model has been to provide a kind of grain cleaning equipment that grain is carried out dedusting, removal of impurities, peeling processing.

The purpose of this utility model is achieved in that a kind of grain cleaning equipment, this equipment is a pneumatic separation device, this device comprises air inlet and the return air inlet that a cavity and cavity top one side are offered, the mouth of putting out cereal that the cavity bottom is offered, the dust-exhausting port that one side is offered, be provided with the sand-sieving wind-tunnel that is communicated with air inlet in the cavity, the sand-sieving wind-tunnel front portion is inclined upwardly and is provided with the sieve of aperture less than the grain volume at passage bottom; The sand-sieving wind-tunnel rear portion is bent downwardly; The sand-sieving wind-tunnel bore is flat and wide.

Be provided with barrier plate that is fixedly connected with cavity inner wall and the accent windshield plate that connects with the cavity inner wall activity in the cavity.The pneumatic separation device mouthful bottom of putting out cereal is provided with the peeling knot screen, this device comprises a cavity and is arranged at the tubular sieve plate in the cavity and is set in the interior tubulose spiral broach of sieve plate, cavity one side offers the passage of putting out cereal, the channel end of putting out cereal is provided with a pressure plare, and cavity, sieve plate are provided with and the pneumatic separation device opening that is communicated with of mouth of putting out cereal.Its broach of tubulose spiral broach be shaped as crescent.Be provided with a pneumatic separation device that is communicated with the peeling knot screen passage of putting out cereal, this pneumatic separation device includes a cavity and is arranged at suction opeing and the air outlet of bottom, clean grain outlet and dust-exhausting port, the outlet of flat grain on cavity top and is positioned at dust-exhausting port and the accent windshield plate of flat grain outlet.

Because the utility model is provided with a pneumatic separation device, peels off dust arrester and secondary pneumatic separation device; so can make the thorough dedusting of grain, removal of impurities, improved grain quality, protected people health; and also can make grain storage mechanization simultaneously, be used for removal of impurities to the storehouse, adorn the short-distance transport of gunnysack.And this device structure is simple, and machine driving is few, and energy consumption is low, and volume is little, makes simply, and speed is fast, the output height, and quality is good.

Describe in detail below in conjunction with embodiment.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the utility model sand-sieving wind-tunnel cross-sectional structure schematic diagram.

Fig. 3 is the utility model tubulose spiral broach expanded view.

By shown in Figure 1, a kind of grain cleaning equipment is provided with pneumatic separation device one time, this pneumatic separation device comprises the air inlet 2 and the return air inlet 3 on cavity 1 and this cavity top, cavity 1 bottom offers put out cereal mouth 4 and dust-exhausting port 5, be provided with the sand-sieving wind-tunnel 6 that is communicated with air inlet 2 in the cavity 1, sand-sieving wind-tunnel 6 front portions are inclined upwardly, and are provided with screen cloth 7 in the bottom surface, the aperture of screen cloth 7 is less than the grain volume, and the screen cloth shape of a mesh can be circle, rectangle or triangle.Sand-sieving wind-tunnel 6 rear portions are bent downwardly, and sand-sieving wind-tunnel mouth 8 is flat and wide as shown in Figure 2.Also be provided with the barrier plate 9 that is fixedly connected with cavity 1 inwall in the cavity 1, and the movable accent windshield plate 10 that connects.Open blower fan during work, make grain enter sand-sieving wind-tunnel 6 with negative-pressure air power from air inlet 2, because sand-sieving wind-tunnel 6 is the air channel of an oblique bending, and the air channel is flat and wide, the grain that enters the air channel is so just widened to be tiled on the screen cloth 7, according to the characteristic of material, the sandstone that overweights grain is walked lower floor, forces to see through screen cloth 7 under the effect of negative pressure, fall in the cavity 1, discharge by dust exhausting hole 5, clever shell is lighter than grain and walks the upper strata, discharges from return air inlet 3, regulate windshield plate 10 and can control the rate of outflow of clever shell, grain moves ahead greater than sieve aperture, from mouthful 4 discharges of putting out cereal, finishes selection by winnowing by self gravitation one time.For further with the fringe head in the grain, stalk is disposed, this equipment is provided with and the secondary pneumatic separation device of putting out cereal mouthful 4 peeling knot screens that are communicated with and being communicated with the peeling knot screen, the peeling knot screen comprises cavity 11 and is arranged at the tubular sieve plate 12 in the cavity 11 and is set in tubulose spiral broach 13 in the sieve plate 12, cavity 1 offers the passage 14 of putting out cereal with tubular sieve plate 12 1 sides, passage 14 ends of putting out cereal are provided with a pressure plare 15, cavity 11 and tubular sieve plate 12 are provided with mouthful 4 openings that are communicated with of putting out cereal, secondary pneumatic separation device bag is inserted cavity 16 and is arranged at the suction opeing 17 on its top and the air outlet 18 of bottom, clean grain outlet 19 and dust-exhausting port 20, flat grain outlet 21 and air regulating board 22 and air regulating board 23.During work, during 13 rotations of tubulose spiral broach, grain is produced thrust, act on

pressure plare

15,15 pairs of grains of pressure plare produce counter-pressure, simultaneously again because broach is a crescent, can make tubulose spiral broach that grain, fringe head, stalk are produced stronger shearing force like this, make its phase mutual friction, thereby can peel off grain epidermis, fringe head, the powdered thing of stalk.Be illustrated in figure 3 as the expanded view of tubulose spiral broach, 24 are pipe, 25 is broach, powder together enters the secondary pneumatic separation device with grain, the weight of regulating pressure plare 15 can be controlled the quality of clean grain and peeling grain, discharge from suction opeing 17 through the lighter powder after the secondary selection by winnowing, regulating air regulating board 22,23 makes heavier impurity discharge from dust-exhausting port 20, flat grain is discharged from flat grain outlet 23, last clean grain or peeling grain are discharged from clean grain outlet 19, and so far, peeling and secondary selection by winnowing finish, then, can lay in or pack and process clean grain or peeling grain.

Claims

1, a kind of grain cleaning equipment, it is characterized in that this equipment is a pneumatic separation device, this device comprises air inlet and the return air inlet that a cavity and cavity top one side are offered, the mouth of putting out cereal that the cavity bottom is offered, the dust-exhausting port that one side is offered, be provided with the sand-sieving wind-tunnel that is communicated with air inlet in the cavity, the sand-sieving wind-tunnel front portion is inclined upwardly and is provided with the sieve of aperture less than the grain volume at passage bottom; The sand-sieving wind-tunnel rear portion is bent downwardly; The sand-sieving wind-tunnel bore is flat and wide.

2, a kind of grain cleaning equipment according to claim 1 is characterized in that being provided with in the cavity barrier plate that is fixedly connected with cavity inner wall and the accent windshield plate that connects with the cavity inner wall activity.

3, a kind of grain cleaning equipment according to claim 1 and 2, it is characterized in that the pneumatic separation device mouthful bottom of putting out cereal is provided with the peeling knot screen, this device comprises a cavity and is arranged at the tubular sieve plate in the cavity and is set in the interior tubulose spiral broach of sieve plate, cavity one side offers the passage of putting out cereal, the channel end of putting out cereal is provided with a pressure plare, and cavity, sieve plate are provided with and the pneumatic separation device opening that is communicated with of mouth of putting out cereal.

4, a kind of grain cleaning equipment according to claim 3 is characterized in that the crescent that is shaped as of said its broach of tubulose spiral broach.

5, a kind of grain cleaning equipment according to claim 3, it is characterized in that being provided with a pneumatic separation device that is communicated with the peeling knot screen passage of putting out cereal, this pneumatic separation device includes a cavity and is arranged at suction opeing and the air outlet of bottom, clean grain outlet and dust-exhausting port, the outlet of flat grain on cavity top and is positioned at dust-exhausting port and the accent windshield plate of flat grain outlet.