CN211303826U - Winnowing system - Google Patents
Winnowing system Download PDFInfo
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- CN211303826U CN211303826U CN201921750071.8U CN201921750071U CN211303826U CN 211303826 U CN211303826 U CN 211303826U CN 201921750071 U CN201921750071 U CN 201921750071U CN 211303826 U CN211303826 U CN 211303826U
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Abstract
The utility model relates to a resource environment technical field especially relates to a winnowing system, include: the device comprises a solid material screening device, a negative pressure winnowing device and a solid material conveying device, wherein the solid material screening device outputs oversize products and undersize products, and the negative pressure winnowing device is used for treating the undersize products; the negative pressure winnowing device comprises: distributing device, the device that induced drafts, first debris separator, distributing device with the device that induced drafts all is located solid material conveyor top, just distributing device with the device that induced drafts along solid material conveyor transports the orientation of material and arranges in proper order, the device that induced drafts through first tuber pipe with first debris separator connects, and then can effectively carry out the selection by winnowing edulcoration processing to the material of small-size footpath, and then realized the resourceful separation to solid waste.
Description
Technical Field
The utility model relates to a resource environment technical field especially relates to a winnowing system.
Background
With the rapid development of economy, the pace of urban updating is gradually accelerated, a large amount of garbage is generated in the process of changing old cities to new cities, and garbage classification is a difficult problem which must be faced by each big city, so that resource treatment is urgently needed.
Solid wastes such as construction wastes and household wastes can be roughly divided into light materials and heavy materials according to different specific gravity of components, in order to realize resource utilization of the solid wastes, the light materials and the heavy materials are generally required to be separated, and the separation means mainly adopts air separation.
Therefore, how to separate solid waste into resources is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been developed to provide an air classification system that overcomes, or at least partially solves, the above-mentioned problems.
The utility model provides a winnowing system, include: the device comprises a solid material screening device, a negative pressure winnowing device and a solid material conveying device, wherein the solid material screening device outputs oversize products and undersize products, and the negative pressure winnowing device is used for treating the undersize products;
the negative pressure winnowing device comprises: the air suction device comprises a distributing device, an air suction device and a first sundry separating device, wherein the distributing device and the air suction device are located above the solid material conveying device, the distributing device and the air suction device are sequentially arranged along the direction of conveying materials by the solid material conveying device, and the air suction device is connected with the first sundry separating device through a first air pipe.
Further, the first impurity separating device specifically includes: cyclone, first debris collection device and air purification device that connect in order.
Furthermore, the negative pressure winnowing device also comprises a first sundry conveying device, and the first sundry conveying device is connected with the first sundry collecting device;
the first sundry conveying device is specifically a spiral conveyor, and sieve holes are formed in the bottom of an outer cylinder of the spiral conveyor.
Further, the distributing device specifically includes: a motor and a cloth cross bar;
the cloth cross rod is provided with a comb-shaped blade structure facing the solid material conveying device, and the motor is connected with the center of the cloth cross rod.
Further, the negative pressure winnowing device still includes: and the first sundry stacking box is connected to the tail end of the first sundry conveying device.
Further, still include: the positive pressure winnowing device is positioned above the solid material screening device;
the positive pressure winnowing device comprises: the second sundry settling device is positioned in the direction of air flow blown by the blowing device;
the solid material screening device comprises a discharge chute, the blowing device is connected with the discharge chute, and the bottom end of the discharge chute points to the solid material conveying device.
Further, the second impurity settling device comprises:
the wind guide plate, the settling chamber and the first air outlet are arranged along the airflow direction.
Further, still include: an air flow delivery device;
the air flow conveying device specifically comprises:
a fan and a second air pipe;
one end of the second air pipe is connected with a second air outlet of the air purification device, the other end of the second air pipe is connected with an air inlet of the fan, and the air outlet of the fan is connected with an air inlet of the blowing device.
Further, the solid material conveying device is specifically a belt conveyor.
Further, the solid material screening device specifically comprises: relaxation screening machines or vibrating screening machines.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides an among the air classification system, specifically include: solid material screening plant, negative pressure wind selector, solid material conveyor, wherein, negative pressure wind selector is located solid material screening plant's below, and this negative pressure wind selector includes: a distributing device, an air suction device and a first sundry separating device, wherein the distributing device and the air suction device are positioned above the solid material conveying device, and the distributing device and the air suction device are sequentially arranged along the direction of conveying the materials by the solid material conveying device, the air suction device is connected with the first sundry separating device through a first air pipe, solid waste is firstly screened by the solid material screening device, so that the fine materials (undersize materials) with the diameter smaller than the preset aperture are removed with sundries by the negative pressure winnowing device, and finally the fine materials (undersize materials) with the sundries removed are conveyed by the solid material conveying device, thereby solving the problem that the fine materials (undersize materials) with small particle size are difficult to be absorbed due to high impurity content in the prior art, further, the fine materials (undersize materials) with small particle size can be effectively subjected to winnowing and impurity removal treatment, and the resource separation of the solid waste is realized.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a structural diagram of an air classification system in an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a material distribution device in an embodiment of the present invention;
fig. 3 is a schematic structural view of the first impurity separating device in the embodiment of the present invention;
fig. 4 is a schematic view showing the overall structure of the winnowing system according to the embodiment of the present invention;
fig. 5 shows a schematic view of the overall module of the air classification system according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the utility model provides a winnowing system, as shown in figure 1, include: the device comprises a solid material screening device 101, a negative pressure winnowing device 102 and a solid material conveying device 103, wherein the solid material screening device 101 outputs oversize products and undersize products, and the negative pressure winnowing device is used for processing the undersize products.
Specifically, the negative pressure air separation device 102 includes: the device comprises a material distribution device 1021, an air suction device 1022 and a first sundry separating device 1023, wherein the material distribution device 1021 and the air suction device 1022 are both positioned above the conveying device 103, the material distribution device 1021 and the air suction device 1022 are sequentially arranged in the direction of conveying materials along the solid material conveying device 103, and the air suction device 1022 is connected with the first sundry separating device 1023 through a first air pipe L1.
In a specific embodiment, the screen of the screening device 101 is set to 20mm for separating material larger than 20mm from material smaller than 20mm, i.e. material larger than 20mm is oversize and material smaller than 20mm is undersize.
In a preferred embodiment, a negative pressure winnowing device is used for resource separation of materials (undersize) smaller than 20 mm.
Specifically, the material may be construction waste, household garbage incinerator slag, or other solid waste requiring separation of light and heavy materials, for example, construction waste, after passing through the solid material screening device 101, less than 20mm of residue soil falls down and directly falls into the conveying device 103. While the material larger than 20mm enters the positive pressure winnowing device 104.
The solid material conveying device 103 is provided with a material distributing device 1021 and an air suction device 1022. As shown in fig. 2, the material distributing device 1021 specifically includes: motor 201 and cloth horizontal pole 202. The motor 201 is used for driving the cloth cross bar 202 to rotate, a comb-shaped blade structure facing the solid material conveying device 103 is arranged on the cloth cross bar 202, and the motor is connected with the center of the cloth cross bar 202. Wherein, the single blade in the comb-shaped blade structure can be any one of triangle, rectangle, trapezoid and circle.
The cloth cross bar 202 in the cloth device 1021 is driven by the motor 201 to rotate, so that the comb-shaped blades on the cloth cross bar 202 uniformly spread the material on the solid material conveying device 103, and impurities can be effectively separated subsequently.
The air suction device 1022 is arranged in the direction of conveying the materials along the solid material conveying device 103 and behind the material distribution device 1021, the air suction device 1022 is connected with the first sundry separating device 1023 through the first air duct L1, and the air suction device 1022 is used for sucking sundries in the materials which are uniformly spread out, so that the sucked materials enter the first sundry separating device 1023 through the first air duct L1. Wherein, the air suction device 1022 is provided with an air volume adjusting valve for controlling the air volume and the air speed.
As shown in fig. 3, the first impurity separator 1023 includes: a cyclone separator 301, a first sundries collecting device 302 and an air purifying device 303 which are connected in sequence.
Specifically, the material entering the first impurity separator 1023 includes impurities and part of mixed dregs, wherein the impurities include impurities such as plastics, foam, wood chips, and the like. The cyclone separator 301 makes use of the rotational movement caused by the tangential introduction of the airflow to separate the solid particles having larger inertial centrifugal force toward the outer wall surface, so that the separated impurities enter the first impurity collecting device 302, and the air cleaning device is located at the tail end of the airflow of the first impurity separating device 1023 for dust removal and air cleaning of the used airflow.
The negative pressure winnowing device 102 further comprises a first sundry conveying device, which is connected to the first sundry collecting device 302 and used for conveying the sundries after being separated by the first sundry separating device 1023.
The negative pressure winnowing device 102 further comprises: and the first sundry stacking box is connected to the tail end of the first sundry conveying device.
In order to realize more accurate separation of the material smaller than 20mm, the first sundries conveying device 1024 is specifically a screw conveyor, sundries are pushed and conveyed into a first sundries stacking box at the tail end of the first sundries conveying device through rotation of a screw rod, a sieve hole is formed in the bottom of an outer cylinder of the screw conveyor, and fine dregs existing in the sundries fall through the sieve hole to be separated. Therefore, the first sundry conveying device is adopted, so that the muck and the sundries are further separated.
The negative pressure winnowing device 102 can winnowing and remove light impurities such as plastics, foams, sawdust and the like in materials smaller than 20mm, improve the quality of the residue soil, reduce the impurity content of the residue soil and solve the problem that the residue soil is difficult to absorb due to high impurity content.
In a preferred embodiment, the positive pressure winnowing device is used for resource separation of materials larger than 20mm (oversize).
This wind selector still includes: the positive pressure winnowing device 104 is used for treating oversize materials, particularly winnowing materials larger than 20mm, and effectively separating light impurities such as plastics, sawdust and paper from the materials larger than 20 mm.
Wherein, this positive pressure wind selector 104 includes: a blowing device 1041 and a second sundries settling device 1042. The second sundries settling device 1042 is positioned in the air flow direction blown by the blowing device 1041;
the solid material screening device 101 comprises a discharge chute, and the blowing device 1041 is connected with the discharge chute, and the bottom end of the discharge chute points to the solid material conveying device 103. So that the separated coarse material is sent to the solid material conveying device 103.
The second impurity settling device 1042 specifically includes: wind-force deflector, settling chamber, the first air outlet of arranging along the air current direction. Through the cross-sectional area that increases the tuber pipe, reduce the wind speed, and then make this air current when flowing along wind-force deflector direction, this light debris reachs this deposit room top and receives the effect of gravity whereabouts, stays in this deposit room, realizes the effective separation of material and debris and dust, also avoids the raise dust, and the air current is discharged through this first air outlet.
The air inlet of the blowing device 1041 is flat, so that the air flow can be uniformly dispersed, and the air inlet pipeline of the blowing device 1041 is provided with an air volume adjusting valve for adjusting the flow speed and the air flow volume of the air flow.
It can be seen that, the embodiment of the utility model provides an in not only can carry out the resource separation to the material (undersize thing) that is less than 20mm, can also carry out the resource separation to the material (oversize thing) that is greater than 20 mm.
In a preferred embodiment, the air classification system further comprises: an air flow conveyor 105, which specifically comprises:
a fan 1051 and a second air pipe 1052; the second air outlet of this air purification device is connected to the one end of this second tuber pipe 1052, and the air intake of fan 1051 is connected to the other end, and the fan 1051 air outlet is connected with blast apparatus 1041's air inlet for air after will purifying through air purification device sends into blast apparatus 1041. Wherein, be provided with adjusting valve on this second tuber pipe 1052, can realize the segmentation control amount of wind, be provided with the guide plate in this second tuber pipe 1052, the wind direction can be adjusted to this guide plate.
Therefore, the two air separation modes are jointly used and share one set of air flow conveying device, the air purification device has the effects of high efficiency and energy saving, air purified by the negative pressure air separation device 102 passes through the air flow conveying device 105 and then serves as an air source of the positive pressure air separation device 104, the reasonable utilization of resources is realized, and the problem of secondary dust raising is effectively avoided.
In a particular embodiment, the solid material conveying device 103 is embodied as a belt conveyor.
The solid material screening device 101 is specifically a relaxation screening machine or a vibration screening machine, and further realizes effective separation in the screening process.
In a preferred embodiment, as shown in fig. 4 and 5, the air separation device comprises a solid material screening device 101, a positive pressure air separation device 104, a negative pressure air separation device 102, a solid material conveying device 103 and an air flow conveying device 105.
Specifically, the positive pressure winnowing device 104 includes a blowing device 1041 and a second impurity settling device 1042, the second impurity settling device 1042 is located in the air flow direction blown by the blowing device 1041, the solid material screening device 101 includes a discharging chute, the blowing device 1041 is connected with the discharging chute, the bottom end of the discharging chute points to the solid material conveying device 103, thereby obtaining clean coarse material.
The negative pressure winnowing device 102 comprises a material distribution device 1021, an air suction device 1022, a first sundry separation device 1023 and a first sundry conveying device 1024, wherein the material distribution device 1021 and the air suction device 1022 are both positioned above the solid material conveying device 103, the material distribution device 1021 and the air suction device 1022 are sequentially arranged in the direction of conveying materials along the solid material conveying device 103, the air suction device 1022 is connected with the first sundry separation device 103 through a first air pipe L1, and the first sundry conveying device 1024 is connected with the first sundry separation device 103 and is used for separating the fine materials again. The solid material conveying device 103 is used for conveying fine materials, i.e. materials smaller than 20 mm.
The air flow delivery device 105 comprises a fan 1051 and a second air pipe 1052; one end of the second air pipe 1052 is connected to the second air outlet of the air cleaning device in the first sundries separating device 1023, the other end of the second air pipe 1052 is connected to the air inlet of the blowing device 1041, and the blower 1051 is arranged at the joint of the second air pipe 1052 and the second air outlet, and is used for sending the air purified by the air cleaning device into the second pipeline 1052 and entering the blowing device 1041 through the second pipeline 1052.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides an among the air classification system, specifically include: solid material screening plant, negative pressure wind selector, solid material conveyor, wherein, this negative pressure wind selector includes: a distributing device, an air suction device and a first sundry separating device, wherein the distributing device and the air suction device are positioned above the solid material conveying device, and the distributing device and the air suction device are sequentially arranged along the direction of conveying the materials by the solid material conveying device, the air suction device is connected with the first sundry separating device through a first air pipe, solid waste is firstly screened by the solid material screening device, so that the fine materials (undersize materials) with the diameter smaller than the preset aperture are removed with sundries by the negative pressure winnowing device, and finally the fine materials (undersize materials) with the sundries removed are conveyed by the solid material conveying device, thereby solving the problem that the fine materials (undersize materials) with small particle size are difficult to be absorbed due to high impurity content in the prior art, further, the fine materials (undersize materials) with small particle size can be effectively subjected to winnowing and impurity removal treatment, and the resource separation of the solid waste is realized.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An air classification system, comprising: the device comprises a solid material screening device, a negative pressure winnowing device and a solid material conveying device, wherein the solid material screening device outputs oversize products and undersize products, and the negative pressure winnowing device is used for treating the undersize products;
the negative pressure winnowing device comprises: the air suction device comprises a distributing device, an air suction device and a first sundry separating device, wherein the distributing device and the air suction device are located above the solid material conveying device, the distributing device and the air suction device are sequentially arranged along the direction of conveying materials by the solid material conveying device, and the air suction device is connected with the first sundry separating device through a first air pipe.
2. The winnowing system of claim 1, wherein the first debris separator specifically comprises: cyclone, first debris collection device and air purification device that connect in order.
3. The winnowing system of claim 2 wherein the negative pressure winnowing device further comprises a first debris conveying device, the first debris conveying device being connected to the first debris collecting device;
the first sundry conveying device is specifically a spiral conveyor, and sieve holes are formed in the bottom of an outer cylinder of the spiral conveyor.
4. The winnowing system of claim 1, wherein the distributing means specifically comprises: a motor and a cloth cross bar;
the cloth cross rod is provided with a comb-shaped blade structure facing the solid material conveying device, and the motor is connected with the center of the cloth cross rod.
5. The air classification system of claim 3, wherein said negative pressure air classification device further comprises: and the first sundry stacking box is connected to the tail end of the first sundry conveying device.
6. The air classification system of claim 2, further comprising: the positive pressure winnowing device is used for treating the oversize products;
the positive pressure winnowing device comprises: the second sundry settling device is positioned in the direction of air flow blown by the blowing device;
the solid material screening device comprises a discharge chute, the blowing device is connected with the discharge chute, and the bottom end of the discharge chute points to the solid material conveying device.
7. The air classification system of claim 6, characterized in that the second debris settling device comprises:
the wind guide plate, the settling chamber and the first air outlet are arranged along the airflow direction.
8. The air classification system of claim 6, further comprising: an air flow delivery device;
the air flow conveying device specifically comprises:
a fan and a second air pipe;
one end of the second air pipe is connected with a second air outlet of the air purification device, the other end of the second air pipe is connected with an air inlet of the fan, and the air outlet of the fan is connected with an air inlet of the blowing device.
9. The air classification system according to claim 1, characterized in that the solid material conveying device is embodied as a belt conveyor.
10. The air classification system according to claim 1, characterized in that the solid material screening device is embodied as: relaxation screening machines or vibrating screening machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750071.8U CN211303826U (en) | 2019-10-17 | 2019-10-17 | Winnowing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750071.8U CN211303826U (en) | 2019-10-17 | 2019-10-17 | Winnowing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211303826U true CN211303826U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921750071.8U Active CN211303826U (en) | 2019-10-17 | 2019-10-17 | Winnowing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211303826U (en) |
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2019
- 2019-10-17 CN CN201921750071.8U patent/CN211303826U/en active Active
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