CN102601049A

CN102601049A - Wind power sorting system for municipal domestic waste

Info

Publication number: CN102601049A
Application number: CN2012100691655A
Authority: CN
Inventors: 陈翔
Original assignee: SICHUAN SANTA HEAVY INDUSTRY MACHINERY Co Ltd
Current assignee: SICHUAN SANTA HEAVY INDUSTRY MACHINERY Co Ltd
Priority date: 2012-03-16
Filing date: 2012-03-16
Publication date: 2012-07-25
Anticipated expiration: 2032-03-16
Also published as: CN102601049B

Abstract

The invention discloses a wind power sorting system for municipal domestic waste, which comprises a box body, a tuyere, a fan, a waste inlet and more than two sorting cabins, wherein the fan is arranged at the upper part of the front end of the box body, the fan is connected with the tuyere through an inlet air duct, the waste inlet is arranged at the front part of the box body, and the more than two sorting cabins are arranged at the lower part of the box body. The wind power sorting system is characterized in that the heights of the openings of all sorting cabins decrease sequentially from front to back, and the openings of all sorting cabins increase sequentially from front to back. Buffering air locking devices are arranged at the lower parts of the sorting cabins. An exhaust pipe is arranged at the rear end of the box body, and the exhaust pipe is provided with a filter screen. The wind power sorting system of the municipal domestic waste can effectively sort various wastes in different densities and has the advantages of high efficiency, accurate sorting, automation, energy conservation and consumption reduction and strong adaptability and the like.

Description

Domestic waste pneumatic separating system

Technical field

The present invention relates to a kind of pneumatic separating system that is used for domestic waste.

Background technology

Wind sorting equipment is to rely on wind-force with gravity the object Different Effects material that density is different to be separated.China's domestic waste sorting treatment technology still is in the starting stage; Rubbish air blasting equipment designs according to concrete composition of rubbish and characteristic mostly; Equipment can only be handled to single characteristic rubbish; Classification effectiveness will obviously reduce when component of refuse and characteristic change, and equipment can't adapt to the situation that rubbish characteristic and composition change at any time, causes equipment large-scale production in batches; As composting is carried out sorting; The equipment efficiency of separation is low to be the key problem that influences this technical application at present; It is former because air quantity can't be regulated, wind shape is comparatively single, causes material shorter because of gravitational settling classification choosing distance, and it is more that the weight material mixes situation; What have also need use vibrating device, and equipment manufacturing cost is high, energy consumption is high; Mostly be open type because screening installation reclaims mouth simultaneously, the equipment blast consumption is big, causes equipment energy consumption too high, and non-classified rubbish also can be taken out of with the wind together simultaneously, has further reduced classification effectiveness.

Summary of the invention

The objective of the invention is to above-mentioned deficiency to prior art; A kind of domestic waste pneumatic separating system is provided; It can effectively be classified the rubbish of multiple different densities, and have high efficiency, classification accurately, automation, characteristics such as equipment cost is low, energy-saving and cost-reducing and adaptability is strong.

For achieving the above object; Domestic waste pneumatic separating of the present invention system; The blower fan that comprise casing, be located at the tuyere of casing upper front end, links to each other through the import airduct with tuyere, be located at the anterior garbage inlet of casing, be located at plural minute feed bin of lower box; It is characterized in that the Hatch Opening height of all branch feed bins reduces successively from front to back, opening increases successively; Divide the bottom of feed bin to be equipped with the buffering flapper at each, the rear end of casing is provided with exhaust duct, in exhaust duct, is provided with filter screen.

During use; Rubbish is from the continuous charging of garbage inlet, and tuyere blows rubbish, makes rubbish obtain the speed of an along continuous straight runs motion; Because rubbish proportion difference falls into different branch feed bins; The speed of its whereabouts of rubbish that density is less is slower, and the corresponding area that covers is bigger, and the design of Hatch Opening height and opening makes rubbish fall into more accurately in the storehouse separately; When rubbish reached some in the storehouse, the buffering flapper was opened, and sorted rubbish is discharged in the storehouse and just got into subordinate's transloading equipment, realizes refuse classification; Effectively reduce the situation of leaking out through the buffering flapper, reduced energy consumption; Need not to use vibrating device, equipment cost is low;

As further improvement of the present invention, said exhaust duct links to each other with cyclone separator, and the exhaust outlet of cyclone separator links to each other with the air inlet of blower fan through airduct; Can form circulated air, further reduce the situation of leaking out, reduce energy consumption, and avoided dust granules to enter atmosphere;

As further improvement of the present invention, divide the preceding upper lateral part of feed bin to be provided with acclivitous secondary tuyere at least one that is positioned at the place ahead, secondary tuyere links to each other with the import airduct through pipeline; Secondary tuyere can produce ascending air, and the more low-density rubbish that will be mingled with is blown in the branch favored area once more, has improved the sorting distance simultaneously, further improves screening accuracy;

As further improvement of the present invention, on the casing between adjacent two branch feed bins, also be provided with baffle plate; Further improve screening accuracy;

As further improvement of the present invention, every baffle plate slides and is loaded on the casing, and every baffle plate all links to each other with separately worm screw, and worm screw meshes with separately worm gear, and worm gear is loaded on the motor output shaft separately; The height of adjustable baffle plate is to adapt to the sorting of heterogeneity rubbish;

As further improvement of the present invention, in the import airduct, be provided with damper; The scalable air output;

As further improvement of the present invention, in exhaust duct, be provided with filter screen; Can the big footpath particle separation in the air-flow be come out;

In sum, the present invention can effectively classify the rubbish of multiple different densities, and have high efficiency, classification accurately, characteristics such as automation, energy-saving and cost-reducing and adaptability be strong.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is done further detailed explanation.

By shown in Figure 1; This domestic waste pneumatic separating system; The blower fan 4 that comprise casing 1, be located at the tuyere 2 of casing upper front end, links to each other through import airduct 3 with tuyere 2, be located at the anterior garbage inlet 5 of casing, be located at three branch feed bins 6,7,8 of lower box, in import airduct 3, be provided with damper 15, the Hatch Opening height of three branch feed bins 6,7,8 reduces successively from front to back; Its opening increases successively; Divide the bottom of feed bin to be equipped with buffering flapper 9 at each, be equipped with acclivitous secondary tuyere 13 at two fens feed bins 6 that are positioned at the place ahead and 7 preceding upper lateral part, secondary tuyere 13 passes through pipeline and links to each other with import airduct 3; That on the casing 1 between adjacent two branch feed bins 6 and 7 and 7 and 8, all slides is provided with controllable register 14, and every baffle plate 14 all links to each other with separately worm shaft 18, and worm screw and worm gear separately 19 mesh, and worm gear 19 is loaded on motor 20 output shafts separately; The rear end of casing 1 is provided with exhaust duct 10 and links to each other with cyclone separator 11, in exhaust duct 10, is provided with filter screen 16, and the exhaust outlet of cyclone separator 11 links to each other with the air inlet of blower fan 4 through airduct 12, below cyclone separator 11, is provided with collection box 17.

As optimization, the rear portion of casing 1 is airflow design, and the casing length that extended simultaneously makes sorting apart from growth; Tuyere 2 is made up of twice air knife and four road wind posts, and the twice air knife can dispel, make its separation with the rubbish that mixes;

During use, blower fan 4 produces air-flows, and rubbish is from the continuous charging of garbage inlet 5; Tuyere 2 blows rubbish, makes rubbish obtain the speed that an along continuous straight runs moves, because rubbish proportion is different; Make high density, middle density, low-density rubbish fall into branch feed bin 6,7,8 respectively, owing to the speed of less its whereabouts of rubbish of density is slower, the area that falls to covering is bigger; The Hatch Opening height of three fens feed bins and the design of opening, under same cubicles body length condition, make branch feed bin that low-density rubbish is corresponding to catch area bigger, the distribution of three fens feed bins is more reasonable; In, the low-density garbage energy falls in the storehouse separately more accurately, improves screening accuracy, divides feed bin 6 and two secondary tuyeres 13 of 7 preceding upper lateral parts can produce ascending air; Middle density that will be mingled with and low-density rubbish are blown in the branch favored area once more; Improve the sorting distance simultaneously, further improved screening accuracy, avoided occurring the situation that sorting is mingled with; According to different rubbish and requirement, can adjust the height of controllable register 14 through motor 20, worm gear 19, worm shaft 18, material is fallen in the storehouse of setting, to adapt to the sorting of heterogeneity rubbish; Buffering flapper 9 is normally closed structure, can prevent to leak out; When sorted rubbish weight reaches when preestablishing weight, buffering flapper 9 is opened, and sorted rubbish just gets into subordinate's transloading equipment; Realize refuse classification; This moment through damper 15 with air quantity transfer to minimum, stop air feed, and garbage inlet 5 is closed, wait to cushion and open it after flapper 9 is closed; Carry out sorting again, prevented to form when garbage inlet 5 from opening gas shock; Air-flow gets into cyclone separator 11 behind screen pack 16 rubbish filtering that volume is bigger, after cyclone separator 11 was isolated the solid particle in the air-flow, air communication was crossed the air inlet that airduct 12 gets into blower fan 4, and solid particle falls in the collection box 17, has protected environment; Need not to use vibrating device, equipment cost is low;

In sum, the present invention can effectively classify the rubbish of multiple different densities, and have high efficiency, classification accurately, characteristics such as automation, energy-saving and cost-reducing and adaptability be strong, and protected environment.

Claims

1. domestic waste pneumatic separating system; The blower fan that comprise casing, be located at the tuyere of casing upper front end, links to each other through the import airduct with tuyere, be located at the anterior garbage inlet of casing, be located at plural minute feed bin of lower box; It is characterized in that the Hatch Opening height of all branch feed bins reduces successively from front to back, opening increases successively; Divide the bottom of feed bin to be equipped with the buffering flapper at each, the rear end of casing is provided with exhaust duct, in exhaust duct, is provided with filter screen.

2. domestic waste pneumatic separating as claimed in claim 1 system is characterized in that said exhaust duct links to each other with cyclone separator, and the exhaust outlet of cyclone separator links to each other with the air inlet of blower fan through airduct.

3. according to claim 1 or claim 2 domestic waste pneumatic separating system is characterized in that being positioned at the place ahead at least one divide the preceding upper lateral part of feed bin to be provided with acclivitous secondary tuyere, and secondary tuyere links to each other with the import airduct through pipeline.

4. domestic waste pneumatic separating as claimed in claim 3 system is characterized in that on the casing between adjacent two branch feed bins, also being provided with baffle plate.

5. domestic waste pneumatic separating as claimed in claim 4 system is characterized in that said every baffle plate slides to be loaded on the casing, and every baffle plate all links to each other with separately worm screw, and worm screw meshes with separately worm gear, and worm gear is loaded on the motor output shaft separately.

6. domestic waste pneumatic separating as claimed in claim 5 system is characterized in that in the import airduct, being provided with damper.