CN214417011U

CN214417011U - Venturi tube airflow sorting device

Info

Publication number: CN214417011U
Application number: CN202120433834.7U
Authority: CN
Inventors: 赵晓燕; 邢耀栋; 荣振洪; 闫素英; 李振法
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-19
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a Venturi tube airflow sorting device, which mainly relates to the field of garbage classification; the pneumatic separation device comprises a vertically-arranged pneumatic separation bin, a feeding hole is formed in the side wall of the pneumatic separation bin, a light garbage pipeline is horizontally arranged at the top of the pneumatic separation bin, a cyclone separator is vertically arranged at one end, away from the pneumatic separation bin, of the light garbage pipeline, an air suction pipe is arranged on the cyclone separator, a fan is arranged at one end, away from the cyclone separator, of the air suction pipe, a Venturi tube is vertically arranged at the bottom of the pneumatic separation bin, a heavy garbage accumulation tank is vertically arranged at the bottom of the Venturi tube, an air inlet pipe is arranged on the outer wall of the heavy garbage accumulation tank, and one end, away from the heavy garbage accumulation tank, of the air inlet pipe is communicated with an air outlet end of the fan; the utility model discloses utilized the characteristics that throat can accelerate the air current in the venturi, carried out the air current to the rubbish of different weight and selected separately, can reduce the energy consumption, improved separation efficiency.

Description

Venturi tube airflow sorting device

Technical Field

The utility model relates to a waste classification field specifically is venturi air current sorting unit.

Background

Along with the increase of urban population, the garbage yield in cities is larger and larger, and the harm to the environment is also increasingly serious. The best treatment method for the generated urban garbage is to recover substances and energy from the garbage, namely, the garbage is recycled, so that the reduction and the harmlessness of the garbage are realized. The first work of garbage reclamation is garbage sorting, and the purpose of garbage sorting is to separate inorganic matters from organic matters so as to better recycle resources and substances. With the increase of the content of organic matters in the municipal refuse, the content of light components such as paper, plastics and the like is also obviously increased, and the sorting technology is more and more widely applied.

The garbage sorting technology is a key technology of a comprehensive treatment process, wherein wind power sorting is an effective sorting method for realizing comprehensive treatment of urban domestic garbage in China, the degree of treatment and the efficiency of the urban domestic garbage are determined by the level of wind power sorting efficiency, most of the existing garbage sorting equipment based on wind power sorting completely depends on a fan to provide wind power, the wind power is completely provided by the fan, and the energy consumption and the efficiency of the wind power sorting are high and low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that exists among the prior art, provide venturi air current sorting unit, utilized the characteristics that throat can accelerate the air current among the venturi, carry out the air current to the rubbish of different weight and select separately, can reduce the energy consumption, improve separation efficiency.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

venturi tube air current sorting unit, including the vertical selection by winnowing storehouse of establishhing, be equipped with the feed inlet on the lateral wall in selection by winnowing storehouse, the top level in selection by winnowing storehouse is equipped with light rubbish pipeline, the vertical cyclone that is equipped with of one end in selection by winnowing storehouse is kept away from to light rubbish pipeline, be equipped with the aspiration channel on the cyclone, the one end that cyclone was kept away from to the aspiration channel is equipped with the fan, the vertical Venturi that is equipped with in bottom in selection by winnowing storehouse, Venturi's the vertical heavy matter rubbish that is equipped with piles up the jar, be equipped with the air-supply line on heavy matter rubbish piles up the outer wall of jar, heavy matter rubbish piles up the one end of jar and the air-out end intercommunication of fan are kept away from to the air-supply line.

Preferably, a conveying belt is arranged at the feeding port.

Preferably, the bottom ends of the cyclone separator and the heavy garbage accumulation tank are respectively provided with an air lock.

Preferably, a dust removal device is arranged at the air inlet end of the fan.

Preferably, the dust removing device is a water curtain dust remover.

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model can accelerate the wind generated by the fan by utilizing the characteristic that the throat part in the Venturi tube can accelerate the airflow; after high-speed airflow generated by a fan enters a heavy garbage accumulation tank through an air inlet pipe, the heavy garbage accumulation tank vertically and upwards flows into a Venturi tube, the high-speed airflow after acceleration enters a winnowing bin from bottom to top, garbage to be sorted enters the winnowing bin through a feed inlet, under the action of the airflow from bottom to top in the winnowing bin, light garbage such as plastics, paper cups and the like is upwards blown and enters a cyclone separator through a light garbage pipeline, the light garbage is settled at the bottom of the cyclone separator along with the airflow in the cyclone separator, other heavy garbage in the winnowing bin settles to the bottom end of the winnowing bin due to incapability of suspension and then falls into the heavy garbage accumulation tank, airflow separation can be carried out on the garbage with different weights, energy consumption can be reduced, and sorting efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the drawings: 1. a winnowing bin; 2. a light refuse pipe; 3. a cyclone separator; 4. an air suction pipe; 5. a fan; 6. a venturi tube; 7. a heavy garbage accumulation tank; 8. an air inlet pipe; 9. a conveyor belt; 10. an air lock device.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Example (b): as shown in the attached figure 1, the venturi tube airflow sorting device of the utility model comprises a coherent closed channel which is composed of a winnowing bin 1, a light garbage pipeline 2, a cyclone separator 3, an air suction pipe 4, a fan 5, a venturi tube 6, a heavy garbage accumulation tank 7 and an air inlet pipe 8, wherein the winnowing bin 1 and the cyclone separator 3 are vertically arranged, the winnowing bin 1 is a vertical winnowing bin with openings at the upper end and the lower end, the light garbage pipeline 2 is horizontally welded at the top end of the winnowing bin 1 and is communicated with the winnowing bin 1, one end of the light garbage pipeline 2, which is far away from the winnowing bin 1, is fixed on the outer wall of the cyclone separator 3 and is communicated with the cyclone separator 3, one end of the air suction pipe 4 is inserted into the cyclone separator 3 from the top down from the middle part of the cyclone separator 3, one end of the air suction pipe 4, which is far away from the cyclone separator 3, is communicated with an air inlet of the fan 5, the venturi tube 6 is vertically arranged at the bottom end of the winnowing bin 1 and is communicated with the winnowing bin 1, heavy garbage pile up jar 7 and install in the bottom of venturi 6 and communicate with the bottom of venturi 6, the one end of air-supply line 8 and the air-out end intercommunication of fan 5, the other end is fixed on the outer wall of heavy garbage pile up jar 7 and is communicated with heavy garbage pile up jar 7, is equipped with the feed inlet on the lateral wall of selection by winnowing storehouse 1.

Preferably, in order to facilitate the garbage to be conveyed into the winnowing bin, a conveying belt 9 is arranged at the position of the feeding port.

Preferably, in order to facilitate the discharge of the garbage, the bottom ends of the cyclone separator 3 and the heavy garbage accumulation tank 7 are provided with an air lock 10.

Because the garbage contains dust, the dust with small particles can not settle down in the cyclone separator and can enter the fan to corrode the fan, and preferably, a dust removal device is arranged at the air inlet end of the fan 5. Further, the dust removal device is a water curtain type dust remover.

Preferably, the inclined angle of the divergent section of the venturi tube 6 is selected to be 45 ° by taking the angle of the flame break of the boiler as a reference, so that the formation of ash deposits at the section can be prevented.

The utility model discloses when using, can filter city domestic waste through the drum sieve earlier, the oversize thing after the screening, plastic bottle and glass bottle branch in will screening the thing by artifical screening again, send remaining rubbish into winnowing bin 1 from the feed inlet, fan 5 blows the air current to heavy weight rubbish accumulation tank 7 from air-supply line 8 in proper order, venturi 6, winnowing bin 1, because the weight of different rubbish is different, the air current upwards blows some light material like plastics etc., get into cyclone 3 through light rubbish pipeline 2, along with the air current in cyclone 3 is discharged by the airlock 10 of cyclone 3 bottom, the great component of equal proportion then subsides the bottom of winnowing bin 1 because of unable suspension, the organic matter discharge gate of jar 7 bottoms is piled up to final follow heavy weight rubbish and discharges. The characteristics that the throat part in the Venturi tube can accelerate the air flow are utilized, the air flow sorting is carried out on the garbage with different weights, the energy consumption can be reduced, and the sorting efficiency is improved.

Claims

1. Venturi air current sorting unit, its characterized in that: including vertical selection by winnowing storehouse (1) of establishhing, be equipped with the feed inlet on the lateral wall in selection by winnowing storehouse (1), the top level in selection by winnowing storehouse (1) is equipped with light refuse pipe (2), the vertical cyclone (3) that is equipped with of one end that selection by winnowing storehouse (1) was kept away from in light refuse pipe (2), be equipped with aspiration channel (4) on cyclone (3), the one end that cyclone (3) were kept away from in aspiration channel (4) is equipped with fan (5), the bottom of selection by winnowing storehouse (1) is vertical to be equipped with venturi (6), the vertical heavy garbage that is equipped with in bottom of venturi (6) piles up jar (7), be equipped with on the outer wall of heavy garbage pile up jar (7) intake pipe (8), heavy garbage pile up the one end of jar (7) and the air-out end intercommunication of fan (5) are kept away from in intake pipe (8).

2. The venturi airflow sorting device of claim 1, wherein: a conveying belt (9) is arranged at the feed inlet.

3. The venturi airflow sorting device of claim 1, wherein: the bottom ends of the cyclone separator (3) and the heavy garbage accumulation tank (7) are respectively provided with an air lock (10).

4. The venturi airflow sorting device of claim 1, wherein: and a dust removal device is arranged at the air inlet end of the fan (5).

5. The venturi airflow sorting device of claim 4, wherein: the dust removal device is a water curtain type dust remover.