CN217432290U

CN217432290U - Stale refuse wind power sorting device with dust removal function

Info

Publication number: CN217432290U
Application number: CN202220712663.6U
Authority: CN
Inventors: 吴林峰; 宋建东; 付有发; 徐亮; 张德敏
Original assignee: China Construction Fourth Bureau Civil Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Civil Engineering Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-16
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a take old and useless rubbish wind-force sorting unit of dust removal function relates to a wind selector, has solved the problem of current wind selector polluted environment, and its technical scheme main points are: a stale refuse wind power sorting device with a dust removal function comprises an air chamber and a blast system, wherein the front end of the air chamber is provided with a feed inlet, the lower end of the feed inlet is provided with a heavy material discharge port, the tail part of the air chamber is provided with a light material discharge port, the tail part of the air chamber is also provided with a fan cover, and the discharge port is positioned at the lower end of the fan cover; the upper end of the fan cover is communicated with the dust removal function. Through the scheme, dust particles in the winnowing process can be prevented from being discharged into the atmosphere and polluting the environment.

Description

Stale refuse wind power sorting device with dust removal function

Technical Field

The utility model relates to a wind selector, more specifically say, it relates to a stale rubbish wind-force sorting unit of area dust removal function.

Background

Along with the acceleration of the urbanization process in China, the improvement of the living consumption level of residents and the popularization of daily consumer goods produced by various modern industries, the problems of urban garbage disposal and environmental pollution are increasingly prominent. At present, the treatment of environmental pollution is gradually enhanced in China, a plurality of irregular refuse landfill sites are subjected to overall relocation and treatment, the recycling of stale refuse is gradually accepted as a novel environment-friendly industry, and wind power separation is one of core technologies for recycling stale refuse. The existing separation technology does not treat dust generated in the separation process, so that serious air pollution is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take old and useless rubbish wind-force sorting unit of dust removal function reaches the purpose that alleviates air pollution better.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a stale waste wind-force sorting unit of area dust removal function, includes plenum, blower system, and the plenum front end is provided with the feed inlet, and the feed inlet lower extreme is provided with the heavy material discharge gate, and the afterbody of plenum is provided with light material discharge gate, characterized by: the tail part of the air chamber is also provided with an air cover, and the discharge hole is positioned at the lower end of the air cover; the upper end of the fan cover is communicated with the dust removal function.

The dust pollution of air separation can be eliminated through the dust removal function.

Furthermore, the dust removal function comprises a third air pipe, a second fan and a dust remover; the dust remover is communicated with the upper end of the fan cover through a second fan and a third air pipe.

Further, the fan housing has an inner layer and an outer layer, the inner layer is a steel wire mesh, and the outer layer is a metal panel. The inner layer steel wire mesh can block massive garbage, and pipelines are prevented from being blocked.

Further, the air blowing system comprises a first fan, a first air pipe, an air box, a second air pipe and an air nozzle; the air box is connected with the first fan through a first air pipe; the air nozzle is connected with the air box through a second air pipe; the air nozzle faces the inside of the air chamber; the air box comprises an air inlet pipe, a box body and at least two air outlet pipes; the box body is cylindrical, the air inlet pipe is arranged on the side face of the box body and is communicated with the first air pipe; the air outlet pipes are distributed on the side surface of the box body and are arranged along a bus of the box body; the air nozzle comprises air inlets, air channels and air outlets, the number of the air inlets corresponds to that of the air outlet pipes; the air outlet is communicated with the air inlet through an air duct.

Through setting up bellows, can make the gas that the fan came over flow to the tuber pipe evenly, and then make every air outlet wind-force on the tuyere equal. Compare with the tuyere of current but air outlet, the tuyere of many air outlets can increase the air-out width, avoids the material to fall from the device edge, can not effectively select separately the problem of heavy material and light material.

Further, the second air pipe is a hose.

Adopt above-mentioned scheme, set up the second tuber pipe into the hose, can conveniently adjust the orientation of tuyere.

Further, the cross section of the air duct is gradually increased along the air flow direction.

Adopt above-mentioned scheme can further increase the width of air-out, better separation heavy burden and light material.

Furthermore, the air outlet is flat.

The flat air outlet is adopted, so that the flow velocity of air at the air outlet can be increased, and heavy materials and light materials can be better separated.

Further, a conveyor belt is arranged in the air chamber, and the tail part of the conveyor belt is positioned at the light material discharge hole.

The light materials can be taken out of the air chamber in time through the conveyor belt.

Furthermore, the width of the lower part of the wind chamber is gradually contracted.

By adopting the scheme, the light materials can be collected more conveniently.

The device further comprises a material lifting machine, wherein the discharge end of the material lifting machine is positioned at the feed inlet of the air chamber; the feed end is provided with a vibration disc.

The lifting machine can divide the raw materials into the parts and convey, and the vibration dish can vibrate every part of raw materials and disperse, prevents that the material from bonding and leading to the separation effect unsatisfactory.

Furthermore, the tail part of the air chamber is also provided with an air cover, and the discharge hole is positioned at the lower end of the air cover; the upper end of the fan cover is communicated with the dust removal function.

By adopting the technical scheme, the method at least has the following beneficial effects:

1. through setting up bellows, can make the wind-force of every air outlet balanced, avoid local wind-force too big to lead to sorting effect unsatisfactory.

2. The dust pollution of wind power separation can be eliminated by arranging the fan cover and the dust removal function.

Drawings

FIG. 1 is a front view of an example apparatus

FIG. 2 is a top view of the device of the example

FIG. 3 is a side view of an example apparatus

FIG. 4 is a schematic view of a windbox

FIG. 5 is a schematic view of a tuyere

In the figure: 1. an air chamber; 11. a support leg; 12. a frame body; 13. a conveyor belt; 14. a feed inlet; 15. a heavy material discharge port; 16. an escalator; 17. a handrail; 18. an access door; 21. a first motor; 22. a first air duct; 23. an air box; 231. an air inlet pipe; 232. a box body; 234. an air outlet pipe; 24. a tuyere; 241. an air inlet; 242. an air duct; 243. an air outlet; 3. a fan housing; 31. a third air duct; 32. a second motor; 33. a dust remover.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element, and the "connection" does not limit the fixed connection or the movable connection, and the specific connection mode should be determined according to the specific technical problem to be solved.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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, "a plurality" means two or more unless specifically limited otherwise.

Example (b):

a stale refuse wind power sorting device with a dust removal function comprises an air chamber 1, a blast system, a material lifting device and a dust removal function; the blowing system comprises a first fan, a first air pipe 22, an air box 23, a second air pipe and an air nozzle 24; the dust removing function comprises the fan cover 3, the third air duct 31, the second motor 32 and a dust remover.

The wind chamber is arranged on a frame body 12, the frame body 12 is arranged on supporting legs 11, and the supporting legs 11 are fixed on the ground by adopting chemical anchor bolts.

The air chamber 1 comprises a steel structure framework and a metal plate covered on the steel structure framework; the metal plate is connected with the steel structure through bolts. The optimized aluminum alloy metal plate has the characteristics of low price and light weight, and meanwhile, the surface of the aluminum alloy plate is provided with an oxide layer, so that the aluminum alloy plate has a good corrosion resistance effect in the field of stale garbage treatment.

The width of the lower part of the air chamber 1 is gradually contracted, namely the cross section of the lower part of the air chamber 1 is in a V-shaped row or an inverted trapezoid, and by adopting the scheme, the garbage can be better collected.

The lower part in the air chamber is provided with a conveyor belt 13, the garbage after air separation falls on the conveyor belt 13 in a centralized manner through the side wall of the air chamber, and the garbage is concentrated through the conveyor belt 13.

The front end of the air chamber is provided with a feed inlet 14, and the feed inlet 14 is arranged on the upper half part of the air chamber 1; the tail part of the air chamber is provided with a light material discharge hole; the tail part of the conveyor belt 13 is positioned above the light material discharge port. The light material that conveyer belt 13 passed over discharges this device through the light material discharge gate to collect the transfer to next procedure through the hopper.

The bottom of the front end of the air chamber is provided with a heavy material discharge hole 15, heavy materials entering the air chamber 1 from the feed hole 14 are discharged out of the device through the heavy material discharge hole 15, and a hopper is arranged below the heavy material discharge hole and used for collecting the heavy materials and transferring the heavy materials to the next procedure.

The material lifting device is a material lifting machine, the material can be divided into small parts by adopting the material lifting machine, and a vibration disc arranged at the feeding part of the material lifting machine is convenient for dispersing the aged garbage by vibration; avoid the rubbish blocking, it is inconvenient to separate. Preferably, the material lifting machine device is arranged in an inclined mode, the material lifting machine arranged in the inclined mode can enable materials to be parabolic after entering the air chamber 1, the falling path of the materials is increased, and the materials are conveniently dispersed and screened fully under the action of air flow. In other possible embodiments the lifting device may employ a belt conveyor.

The first motor 21 is communicated with the first air pipe 22, and the first air pipe 22 is connected with the first motor 21 through a flange plate; the first air duct 22 is an aluminum alloy air duct, and energy loss of air in the conveying process can be reduced by adopting the aluminum alloy air duct.

The air box 23 comprises an air inlet pipe 231, a box body 232 and at least two air outlet pipes 234; the box body 232 is cylindrical; the air inlet pipe 231 is arranged on the side surface of the box body 232, and the air inlet pipe 231 is connected with the first air pipe 22 through a flange plate; the air outlet pipes 234 are distributed on the side of the box 232 along the generatrix of the box 232, and the embodiment has 5 air outlet pipes 234. Through the bellows 23, one air flow of the air inlet pipe 231 can be equally distributed to 5 air outlet pipes 234, so that the air flow is more balanced. Preferably, the outlet pipe 234 is located corresponding to the inlet pipe 231, so as to reduce the energy loss of the air flow in the air box 23.

The air nozzle 24 comprises an air inlet 241, an air duct 242 and an air outlet 243; the number of the air inlet 241, the air outlet 243 and the air duct 242 corresponds to the number of the air outlet pipes 234 on the air box 23; therefore, the number of the three is 5 in this embodiment. The air inlet 241 is communicated with the air outlet pipe 234 through a second air pipe; the cross section of the air duct 242 is gradually increased along the air flowing direction, so that the air can be dispersed, the air can be blown to a larger range, and dead angles of separation are avoided; the air duct 242 and the air outlet 243 are flat, and the flow rate of air can be increased through the flat air duct 242 and the flat air outlet 243, so that heavy garbage and light garbage can be better separated. The width of the tuyere 24 is the same as the width of the feed opening 14 or slightly smaller than the width of the feed opening 14, so that dead corners can be further avoided.

The angle of inclination of the air nozzle 24 is the same as the angle of inclination of the lifting device, and is generally 18 to 21 degrees. That is, the air flow at the air outlet 243 of the air nozzle 24 forms an angle of 18-21 degrees with the ground. The falling materials meet the air flow blown out in the oblique upward direction, so that the air flow and the materials have larger attack angles, more energy acts on the materials, and light garbage can be separated more effectively. Meanwhile, the dust and the like can be blown to the tail part of the air chamber, and are convenient to collect through the air cover 3 and the dust remover.

In the embodiment, two sets of air blowing systems are arranged, and the air nozzles 24 of the two sets of air blowing systems are arranged up and down, so that the air separation effect can be further improved.

In this embodiment, the first motor 21 is a variable frequency motor, and the variable frequency motor can select a suitable output power according to the actual situation of stale waste, so that energy consumption is reduced, and the sorting effect is improved.

The air hood 3 is arranged at the tail part of the air chamber, and the light material discharge port is positioned at the bottom of the air hood 3; the fan cover 3 is composed of an inner layer and an outer layer, the inner layer is a steel wire mesh, the mesh size of the steel wire mesh is 24 nm-25 nm, and the steel wire mesh can block light garbage; the outer metal sheet that adopts, preferred adoption aluminum alloy metal sheet, the metal sheet can prevent that the dust from spilling over, the polluted environment.

The top end of the fan housing 3 is communicated with a third air duct 31, the third air duct 31 is communicated with a second fan, and the second fan is communicated with the dust remover. The second fan provides lasting negative pressure for in the fan housing 3, makes the dust in the fan housing pass through the second fan and gets into the dust remover, collects dust through the dust remover, avoids environmental pollution. Meanwhile, the second motor 32 provides negative pressure for the air chamber, so that light materials of the materials at the initial falling stage can be separated, and the separation effect is further improved.

The side wall of the wind chamber 1 is provided with an access door 18 which can provide an inlet for the internal access of the wind chamber. The frame body 12 is provided with a walking platform, so that the maintainers can walk conveniently; the walking board is connected with the ground through an escalator 16; the walking board is also provided with a handrail 17, so that the safety of maintenance work is improved.

The working principle is as follows:

the materials are divided into small parts by the lifting device, and are further dispersed when passing through the vibration disc, so that the separation effect is prevented from being influenced by the aggregation of the materials; the falling process of the materials is parabolic, the materials meet with air flow blown out by the nozzles, heavy garbage directly falls into the heavy material discharge hole 15, light garbage enters the air chamber 1 and finally falls into the conveyor belt 13, and the light garbage falls into the hopper through the light material discharge hole. The impurities of the dust are carried out of the air outlet cover 3 through the second fan and enter the dust remover. The utility model discloses to air supply fan

A variable frequency centrifugal fan is changed, and the air quantity can be adjusted according to the winnowing effect; the air box 23 is of a circular structure, so that the shape of wind power can be changed more easily; the air outlet 243 of the air nozzle 24 is a flat opening and almost has the same width as the feeding hopper, the structure can increase air pressure and balance wind power, and the air nozzle is divided into an upper channel and a lower channel which are inclined upwards and arranged at the inclined lower end of the falling material, so that the separation quality of the light and heavy materials is greatly improved. And a dust removal system is arranged at the air outlet 243 of the discharge air cover 3, so that dust particles are effectively prevented from being discharged into the atmosphere and polluting the environment.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a stale waste wind-force sorting unit of area dust removal function, includes plenum (1), blower system, and plenum (1) front end is provided with feed inlet (14), and feed inlet (14) lower extreme is provided with heavy burden discharge gate (15), and the afterbody of plenum (1) is provided with light material discharge gate, characterized by: the tail part of the air chamber (1) is also provided with an air cover (3), and a discharge hole is positioned at the lower end of the air cover (3); the upper end of the fan cover (3) is communicated with the dust removal function.

2. The stale refuse wind power sorting device with the dust removal function according to claim 1, which is characterized in that: the dust removal function comprises a third air pipe (31), a second fan and a dust remover; the dust remover is communicated with the top end of the fan cover (3) through a second fan and a third air pipe (31).

3. The stale refuse wind power sorting device with the dust removal function according to claim 1, which is characterized in that: the fan housing (3) is provided with an inner layer and an outer layer, wherein the inner layer is a steel wire mesh, and the outer layer is a metal panel.

4. The stale refuse wind power sorting device with the dust removal function according to claim 1, which is characterized in that: the air blowing system comprises a first fan, a first air pipe (22), an air box (23), a second air pipe and an air nozzle (24); the air box (23) is connected with the first fan through a first air pipe (22); the air nozzle (24) is connected with the air box (23) through a second air pipe; the air nozzle (24) faces the inside of the air chamber (1); the air box (23) comprises an air inlet pipe (231), a box body (232) and at least two air outlet pipes (234); the box body (232) is cylindrical, the air inlet pipe (231) is arranged on the side surface of the box body (232), and the air inlet pipe (231) is communicated with the first air pipe (22); the air outlet pipes (234) are distributed on the side surface of the box body (232) and are arranged along a bus of the box body (232); the air nozzle (24) comprises air inlets (241), air channels (242) and air outlets (243) which correspond to the number of the air outlet pipes (234); the air outlet (243) is communicated with the air inlet (241) through an air duct (242).

5. The stale refuse wind power sorting device with the dust removal function according to claim 4, which is characterized in that: the second air pipe is a hose.

6. The stale refuse wind power sorting device with the dust removal function according to claim 4, which is characterized in that: the area of the cross section of the air duct (242) is gradually increased along the gas flow direction.

7. The stale refuse wind power sorting device with the dust removal function according to claim 4, which is characterized in that: the air outlet (243) is flat.

8. The stale refuse wind power sorting device with the dust removal function according to claim 4, which is characterized in that: a conveyor belt (13) is arranged in the air chamber (1), and the tail part of the conveyor belt (13) is positioned at the light material discharge hole.

9. The stale refuse wind power sorting device with the dust removal function according to claim 4, which is characterized in that: the width of the lower part of the wind chamber (1) is gradually contracted.