CN206966120U - Cone specific gravity winnowing machine - Google Patents

Abstract

The utility model discloses a conical specific gravity winnowing machine, which comprises a frame, a blower, an exhaust fan, a feeding pipe, an air inlet pipe, a stock bin and a conical blowing tower, wherein the stock bin is arranged on the frame, and the conical blowing tower is positioned at the center of the stock bin; the conical blowing tower adopts a conical structural design, and the conical shape is favorable for air circulation and reduces the influence of edges and corners on materials; meanwhile, the conical blowing tower is provided with a plurality of layers of ventilation openings, so that the effective air pressure can be enhanced, and the materials can be fully separated to achieve more and better separation effects; the feed opening is changed from the original lateral feeding into the central feeding, so that the materials can be uniformly dispersed on the conical blowing tower, and the separation effect is further improved; in the sorting process, the material blocking phenomenon can be effectively prevented through the material blocking part, and smooth air outlet is ensured; still be equipped with hair-dryer and air exhauster simultaneously, through blowing one take out and combine together, this not only can promote more and select separately the effect, also effectively reduces the energy consumption, saves the cost, does benefit to extensive popularization and application.

Description

Cone specific gravity winnowing machine

technical field

The utility model relates to the technical field of air separators, in particular to a conical specific gravity air separator.

Background technique

The specific gravity air separator is a separation and sorting device based on different material densities, different particle sizes or different shapes of the same material. The machine makes the materials entering the machine through the suction buoyancy of the wind, and the difference in the buoyancy of different specific gravity and different granular materials, and the gravity and other effective forces of the materials, the different specific gravity materials and the same material particle size and shape are different. , for specific gravity winnowing separation. The flake materials with small specific gravity, small particle size or large wind-affected area sucked by the wind are discharged out of the machine after being collected by the collector and dust collector. discharge from the other end.

However, the structure of the existing specific gravity air separator is relatively complicated, and all of them adopt a single blowing or exhausting structure design, which requires a large-power motor to drive, which not only causes its volume to be large, takes up more space, and consumes more energy High; in addition, it is also prone to material blocking, which affects the winnowing effect.

Utility model content

In view of the above deficiencies, the purpose of this utility model is to provide a conical specific gravity winnowing machine with ingenious and reasonable structural design, small volume, good sorting effect and low energy consumption.

In order to achieve the above purpose, the technical solution provided by the utility model is: a conical specific gravity wind separator, which includes a frame, a blower, an exhaust fan, a feeding pipe, an air inlet pipe, a silo and a conical blowing tower , the silo is arranged on the frame, the conical blowing tower is located at the center of the silo, the lower end of the silo gradually shrinks to form a discharge port, and the upper end of the silo gradually shrinks to form a An air outlet, the exhaust fan is connected with the air outlet, the feeding pipe is arranged at the upper position of the silo, and one end of the feeding pipe extends into the silo and extends to the top of the conical blowing tower In the central position, the air inlet pipe is arranged at the lower part of the silo, and one end of the air inlet pipe extends into the silo and extends to the bottom surface of the conical blowing tower. The air blower and the air inlet pipe The other end of the conical blowing tower is connected to each other; the conical surface of the conical blowing tower is provided with vents at intervals in sequence from top to bottom, and the upper edge of the vent slightly protrudes from the lower edge to form a material stop department.

As an improvement of the utility model, the width of the ventilation opening is 3-5mm.

As an improvement of the utility model, the included angle between the upper wall of the silo and the bottom surface of the conical blowing tower is 70-73 degrees.

As an improvement of the utility model, the included angle between the lower wall of the silo and the bottom surface of the conical blowing tower is 50-53 degrees.

As an improvement of the utility model, the end of the feeding pipe extending into the silo is radially reduced to form a feeding opening, and the distance between the feeding opening and the top of the conical blowing tower is 25-35mm.

As an improvement of the utility model, the diameter of the feeding opening is 88-90mm, and the diameter of the feeding pipe is 126-128mm.

As an improvement of the utility model, the exhaust fan is arranged on the top of the silo.

As an improvement of the utility model, the blower is arranged on one side of the frame.

As an improvement of the utility model, a connection port connected with the air inlet pipe is provided at the center of the bottom surface of the blowing tower.

The beneficial effects of the utility model are: the structure design of the utility model is ingenious and reasonable, the conical blowing tower adopts a conical structure design, the conical shape is conducive to air circulation, and the influence of edges and corners on materials is reduced; at the same time, the conical blowing tower is equipped with There are multi-layer vents, which can enhance the effective wind pressure, and can fully separate the materials to achieve better sorting effects; the feeding port is changed from the original side feeding to the center feeding, which can make the materials uniform Dispersed on the conical blowing tower to further improve the sorting effect; during the sorting process, the material blocking part can effectively prevent the occurrence of material blocking and ensure smooth air flow; The combination of one extraction can not only improve the sorting effect, but also effectively reduce energy consumption and save costs; in addition, the overall structure is compact, simple, small in size, easy to implement, good in working stability, and long in service life, which is conducive to wide application.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

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

Fig. 2 is a schematic structural view of the feed bin in the utility model.

Fig. 3 is a structural schematic diagram of the conical blowing tower in the utility model.

Detailed ways

Referring to Fig. 1 to Fig. 3, a kind of conical specific gravity winnowing machine that the present embodiment provides, it comprises frame 1, blower 2, suction fan 3, feeding pipe 4, air inlet pipe 5, feed bin 6 and conical Blowing tower 7, the feed bin 6 is arranged on the frame 1, the conical blowing tower 7 is located at the center of the feed bin 6, and the lower end of the feed bin 6 gradually shrinks to form a discharge port 61, so The upper end of the feed bin 6 is gradually shrinking to form an air outlet 62, the exhaust fan 3 is connected with the air outlet 62, the feed pipe 4 is arranged at the upper position of the feed bin 6, and the feed pipe 4 One end extends into the feed bin 6 and extends to the upper center position of the conical blowing tower 7 .

The air inlet pipe 5 is arranged at the lower position of the feed bin 6, and one end of the air inlet pipe 5 extends into the feed bin 6, and extends to the bottom surface position of the conical blowing tower 7, the blower 2 and the The other end of the air inlet pipe 5 is connected; specifically, the end of one end of the feed pipe 4 extending into the silo 6 is radially reduced to form a feeding port 41, and the diameter of the feeding port 41 is 88-88mm. 90mm, the diameter of the feed pipe 4 is 126-128mm. The distance between the feeding port 41 and the top of the conical blowing tower 7 is preferably 25-35 mm to prevent material blocking. The feeding port 41 is changed from the original side feeding to the center feeding, which can make the materials evenly spread on the conical blowing tower 7 and effectively improve the sorting effect.

The conical surface of the conical blowing tower 7 is provided with vents 71 at intervals from top to bottom. Preferably, the width d of the vents 71 is 3-5 mm, preferably 4 mm. There are multi-layer ventilation openings 71, which can enhance the effective wind pressure and enable the materials to be fully separated to achieve better sorting effects; the upper edge of the ventilation opening 71 slightly protrudes from its lower edge to form a material stop Section 72. During the sorting process, the material blocking part 72 can effectively prevent the occurrence of material blocking and ensure smooth air outlet.

Specifically, the exhaust fan 3 is arranged on the top of the silo 6 . The blower 2 is arranged on one side of the frame 1 . For the convenience of installation, a connection port 73 connected with the air inlet pipe 5 is provided at the center of the bottom surface of the conical blowing tower 7 .

Preferably, the angle a between the upper wall of the silo 6 and the bottom surface of the conical blowing tower 7 is preferably 70-73 degrees. On the basis of considering the overall size, there is enough buffer space for the gas. The angle b between the lower wall of the silo 6 and the bottom surface of the conical blowing tower 7 is preferably 50-53 degrees, which can effectively ensure the smooth sliding of the material.

When working, because the conical blowing tower 7 is designed with a conical structure, the conical shape is conducive to air circulation and reduces the impact of edges and corners on the material; at the same time, the conical blowing tower 7 is also equipped with a blower 2 and an exhaust fan 3. The combination of blowing and pumping can not only improve the sorting effect, but also effectively reduce energy consumption and save costs; after the prototype test, compared with the traditional specific gravity air separator, the area occupied by the conical specific gravity air separator is reduced by 20 %, the height of the machine is reduced by about 30%, the energy consumption is reduced by about 15%, and the separation purity is increased from 95% to 98.5%.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. For this reason, as described in the above-mentioned embodiments of the utility model, the air separators obtained by adopting the same or similar structure are all within the protection scope of the utility model.

Claims (9)

1. a kind of taper proportion winnowing machine, it is characterised in that it includes frame, hair-dryer, air exhauster, feed pipe, blast pipe, material Material tower is blown in storehouse and taper, and the feed bin is arranged in frame, and the taper blows material tower and is located at the center of feed bin, under feed bin End forms a discharging opening in shape is gradually reduced, and the upper end of the feed bin forms an air outlet, the air exhauster in shape is gradually reduced It is connected with air outlet, the feed pipe is arranged on the upper position of feed bin, and one end of the feed pipe is stretched into feed bin, and prolongs The upper center position that material tower is blown in taper is extended, the blast pipe is arranged on the lower position of feed bin, and one end of the blast pipe Stretch into feed bin, and extend to the basal surface position that material tower is blown in taper, the hair-dryer is connected with the other end of the blast pipe； The taper is blown is interval with ventilating opening successively on the taper surface of material tower by order from top to bottom, along position on the ventilating opening Slightly protrude the lower of its and form backgauge portion along position.

2. taper proportion winnowing machine according to claim 1, it is characterised in that：The width of the ventilating opening is 3~5mm.

3. taper proportion winnowing machine according to claim 1, it is characterised in that：Top bulkhead and the taper of the feed bin are blown Expect that the angle between the bottom surface of tower is 70~73 degree.

4. taper proportion winnowing machine according to claim 1, it is characterised in that：Bottom bulkhead and the taper of the feed bin are blown Expect that the angle between the bottom surface of tower is 50~53 degree.

5. taper proportion winnowing machine according to claim 1, it is characterised in that：One end that the feed pipe is stretched into feed bin End radially reduce and form feed opening, the distance from top that material tower is blown in the feed opening and taper is 25~35mm.

6. taper proportion winnowing machine according to claim 5, it is characterised in that：A diameter of the 88 of the feed opening~ 90mm, a diameter of 126~128mm of the feed pipe.

7. taper proportion winnowing machine according to claim 1, it is characterised in that：The air exhauster is arranged on the top of feed bin Portion.

8. taper proportion winnowing machine according to claim 1, it is characterised in that：The hair-dryer is arranged on the side of frame Position.

9. taper proportion winnowing machine according to claim 1, it is characterised in that：The bottom center position for blowing material tower is set There is the connector being connected with the blast pipe.