CN112774990A - Winnowing system and method for separating light matters in decoration garbage recycling treatment - Google Patents
Winnowing system and method for separating light matters in decoration garbage recycling treatment Download PDFInfo
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- CN112774990A CN112774990A CN202110112986.1A CN202110112986A CN112774990A CN 112774990 A CN112774990 A CN 112774990A CN 202110112986 A CN202110112986 A CN 202110112986A CN 112774990 A CN112774990 A CN 112774990A
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- 238000005034 decoration Methods 0.000 title claims abstract description 33
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 57
- 239000000428 dust Substances 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to an air separation system and method for separating light objects in decoration garbage recycling treatment, wherein a second belt conveyor is arranged at an outlet right below a sealed wind power separation chamber of the air separation system, and a third belt conveyor is arranged at an outlet below the right side of the air separation system; the sealed wind power separation chamber is connected with the light material separator through a light material conveying air pipe; a first belt conveyor is correspondingly arranged at an outlet right below the light material separator; the light material separator is connected with a draught fan through a dust remover; the draught fan is connected with the sealed wind power separation chamber through an air return blast pipe. The invention adopts the working airflow to blow and suck the decoration garbage, brings light matters and dust into the airflow, and then separates the light matters and the dust from the airflow respectively, thereby achieving the mechanical separation of the light matters and the heavy matters of the decoration garbage. The invention improves the efficiency of light substance separation; the high-pressure air flow is recycled, so that energy is saved; meanwhile, the whole separation process is carried out in the negative pressure space inside the equipment, the dust raising phenomenon is effectively inhibited, the secondary pollution is avoided, and the device is clean and environment-friendly.
Description
Technical Field
The invention relates to decoration garbage treatment equipment, in particular to an air separation system and an air separation method for separating light matters in decoration garbage recycling treatment.
Background
The decoration garbage refers to wastes generated in the process of demolishing and repairing various buildings, structures and the like by construction units or individuals, most of the decoration garbage is transported to the suburbs or the villages without any treatment, is stacked or buried in the open air, consumes a large amount of construction expenses such as land charge and garbage clearing and transporting expense, wastes recyclable building materials and causes great pollution to the environment.
The prior art of the resource utilization of decoration garbage in China generally comprises the steps of manually sorting the building garbage, picking out large sundries such as sofas, mattresses and the like, mixing the remaining light matters in the decoration garbage, and feeding the mixed light matters into a treatment system such as crushing, screening, simple winnowing or hydraulic flotation and the like to finally produce the recycled aggregate for buildings. The manual sorting efficiency is low, and the problems of dust, ash and sand flying and the like in the treatment process of the light objects are seriously polluted by secondary environment. And the crushed waste wood, waste plastic and the like can only be sent to incineration treatment, so that the resource utilization rate of the decoration garbage is low and the specified requirements can not be met frequently.
Disclosure of Invention
The invention aims to provide an air separation system for separating light matters in decoration garbage recycling treatment, which adopts working airflow to blow and suck decoration garbage, brings light matters and dust into the airflow and then separates the light matters and the dust from the airflow respectively so as to achieve mechanical separation of the light matters and the heavy matters of the decoration garbage.
The technical scheme for realizing the first purpose of the invention is as follows: the winnowing system for light substance separation in decoration garbage recycling treatment comprises an air return blast pipe, a sealed wind power separation chamber, a light substance conveying blast pipe, a light substance separator, a dust remover, an induced draft fan, a first belt conveyor, a second belt conveyor, a third belt conveyor and a light substance discharging and air shutting fan; a second belt conveyor is correspondingly arranged at an outlet right below the sealed wind power separation chamber, a light material discharging and air-shutting machine is arranged at an outlet below the right side, and a third belt conveyor is correspondingly arranged at an outlet below the right side; the sealed wind power separation chamber is connected with the light material separator through a light material conveying air pipe; a first belt conveyor is correspondingly arranged at an outlet right below the light material separator; the light material separator is connected with a draught fan through a dust remover; the draught fan is connected with the sealed wind power separation chamber through an air return blast pipe.
A material inlet is formed in the top of the left end of the sealed wind power separation chamber, and a fourth belt conveyor is arranged in the sealed wind power separation chamber; the material inlet is correspondingly matched with the feeding end of the fourth belt conveyor; an air outlet of the return air supply pipe, which is positioned in the sealed wind power separation chamber, is correspondingly matched with a blanking end of the fourth belt conveyor.
The light matter suction inlet of the light matter delivery air pipe is connected with the right upper end outlet of the sealed wind power separation chamber.
The outlet at the upper end of the right side of the sealed wind power separation chamber is higher than the fourth belt conveyor; the air outlet of the return air blast pipe in the sealed wind power separation chamber blows air to the outlet direction of the upper end of the right side of the sealed wind power separation chamber.
The lower part of the light material separator is provided with a discharging air shutter.
The inside of the return air supply pipe is provided with a regulating valve.
A filter roller of the light substance separator is provided with a blowpipe for blowing the light substances adsorbed by the filter roller; the blowing pipe is communicated with the return air supply pipe through an air pipe; and an air adjusting door is arranged in the air pipe.
The second purpose of the invention is to provide a separation method by utilizing the winnowing system for separating the light matters in the decoration garbage recycling treatment, and the method can realize multi-stage treatment on the decoration garbage and greatly improve the recycling utilization rate of the decoration garbage.
The technical scheme for realizing the second purpose of the invention is as follows: the separation method comprises the following steps:
s1, primarily removing decoration garbage (such as sofas, mattresses, advertising cloth and the like) of large-size light objects to obtain materials to be treated;
s2, the material to be processed enters a sealed wind power separation chamber from a material inlet, and is formed into a dispersed free falling body by a fourth belt conveyor;
s3, the heavy objects which are blown and sucked by the wind power of the return air supply pipe fall to a second belt conveyor under the action of gravity and are sent to the subsequent treatment; the light objects are blown by the airflow blown out by the air return blast pipe and sucked by the induced draft fan, and the large-size light objects are blown down and fall to the third belt conveyor through the light object discharging and air-closing fan; small-size light objects, dust and the like are sucked into the light object conveying air pipe and sent to the light object separator, and the light objects are separated from the air flow and fall to the first belt conveyor;
s4, after light substances are separated, enabling dust-containing air flow to enter a dust remover for dust removal;
s5, after the air flow at the outlet of the induced draft fan is adjusted by an adjusting valve, the air flow is sent back to the sealed wind power separation chamber by a return air blast pipe;
the regulating valve regulates the wind amount of the return air blast pipe to maintain the sealed wind separating chamber in negative pressure state.
A filter roller of the light substance separator is provided with a blowpipe for blowing the light substances adsorbed by the filter roller; the blowing pipe is communicated with the return air supply pipe through an air pipe; an air adjusting door is arranged in the air pipe; and partial air flow in the return air supply pipe is led out to enter the blowing pipe by adjusting the air adjusting door, and the filtering roller on the light object separator is swept.
The invention has the positive effects that: (1) the invention adopts mechanical continuous operation, does not need human participation, and efficiently separates light matters and dust from heavy matters in the primarily pretreated decoration garbage by utilizing the principle that the light matters and the dust and the like can be blown and sucked by airflow wind power. In the separation process of the light objects, the shape of the light objects is not damaged, the subsequent process sorting and classification are convenient, and the resource utilization rate of the decoration garbage is improved.
(2) The system of the invention returns the air flow with a certain pressure at the outlet of the induced draft fan to the sealed wind power separation chamber for recycling, and the air flow is not directly discharged into the atmosphere, thereby saving energy; meanwhile, the separation capability of the light objects is greatly improved by blowing the return air flow and absorbing the induced air flow.
(3) The system of the invention enables the sealed wind power separation chamber to have an operating environment lower than atmospheric pressure by adjusting the air quantity of the back return air blast pipe of the induced draft fan, and when heavy objects are separated from light objects and dust, no dust flies out of the equipment, thereby effectively controlling the flying dust in a factory building, and being clean and environment-friendly.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of the present invention.
In the figure:
1-a material inlet, 2-a return air blast pipe, 3-a fourth belt conveyor, 4-a sealed wind power separation chamber, 5-a light material suction inlet, 6-a light material conveying blast pipe, 7-a light material separator, 8-a dust remover, 9-an induced draft fan, 10-a discharge air shutoff machine, 11-a first belt conveyor, 12-a small-size light material, 13-a large-size light material, 14-a heavy material, 15-a second belt conveyor, 16-a third belt conveyor, 17-an adjusting valve, 18-a light material discharge air shutoff machine and 19-an adjusting air door.
Detailed Description
Referring to fig. 1, the winnowing system for light material separation in decoration garbage recycling treatment of the invention comprises a return air blast pipe 2, a sealed wind power separation chamber 4, a light material conveying wind pipe 6, a light material separator 7, a dust remover 8, a draught fan 9, a first belt conveyor 11, a second belt conveyor 15, a third belt conveyor 16 and a light material discharging and air shutting machine 18; a second belt conveyor 15 is correspondingly arranged at an outlet right below the sealed wind power separation chamber 4, a light material discharging and air-shutting machine 18 is arranged at an outlet below the right side, and a third belt conveyor 16 is correspondingly arranged at an outlet below the right side; the sealed wind power separation chamber 4 is connected with a light material separator 7 through a light material conveying wind pipe 6; a first belt conveyor 11 is correspondingly arranged at an outlet right below the light material separator 7; the light material separator 7 is connected with an induced draft fan 9 through a dust remover 8; and the induced draft fan 9 is connected with the sealed wind power separation chamber 4 through the return air blast pipe 2.
A material inlet 1 is formed in the top of the left end of the sealed wind power separation chamber 4, and a fourth belt conveyor 3 is arranged in the sealed wind power separation chamber 4; the material inlet 1 is correspondingly matched with the feeding end of the fourth belt conveyor 3; an air outlet of the return air blast pipe 2 in the sealed wind power separation chamber 4 is correspondingly matched with a blanking end of the fourth belt conveyor 3.
The light material suction inlet 5 of the light material conveying air pipe 6 is connected with the right upper end outlet of the sealed wind power separation chamber 4.
An outlet at the upper end of the right side of the sealed wind power separation chamber 4 is higher than the fourth belt conveyor 3; an air outlet of the return air blast pipe 2, which is positioned in the sealed wind power separation chamber 4, blows air to the outlet direction of the upper end of the right side of the sealed wind power separation chamber 4.
The lower part of the light material separator 7 is provided with a discharging air-lock valve 10.
And a regulating valve 17 is arranged in the return air blast pipe 2.
A blowing pipe used for blowing and sweeping the light objects adsorbed by the filtering roller of the light object separator 7 is arranged on the filtering roller; the blowing pipe is communicated with the return air supply pipe 2 through an air pipe; an air adjusting door 19 is arranged in the air pipe. The blowpipe is opposite to the filtering roller.
The separation method by utilizing the winnowing system for separating the light matters in the decoration garbage recycling treatment comprises the following steps:
s1, primarily removing decoration garbage of large-size light objects such as sofas, mattresses, advertising cloth and the like to obtain materials to be treated;
s2, the material to be processed enters a sealed wind power separation chamber 4 from a material inlet 1 and forms a dispersed free falling body through a fourth belt conveyor 3;
s3, the heavy objects 14 which are blown and sucked by the wind power of the return air supply pipe 2 fall to the second belt conveyor 15 under the action of gravity and are sent to the subsequent treatment; the light objects are blown by the airflow blown out by the return air blast pipe 2 and sucked by the induced draft fan 9, and the large-size light objects 13 are blown down and fall to the third belt conveyor 16 through the light object discharging and air-closing machine 18; small-size light objects 12, dust and the like are sucked into the light object conveying air pipe 6 and sent to the light object separator 7, and the light objects are separated from the air flow and fall to the first belt conveyor 11;
s4, after light substances are separated, enabling the dust-containing air flow to enter a dust remover 8 for dust removal;
s5, after the air flow at the outlet of the induced draft fan 9 is adjusted by the adjusting valve 17, the air flow is sent back to the sealed wind power separation chamber 4 by the return air blast pipe 2;
the valve 17 is adjusted according to the requirement to adjust the air quantity of the return air blast pipe 2 and keep the sealed wind power separation chamber 4 in a negative pressure working state.
The air damper 19 is adjusted as required, part of the air flow led out from the return air blast pipe 2 enters the blast pipe, and the filtering roller on the light matter separator 7 is purged.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a winnowing system of fitment rubbish resourceful treatment light thing separation which characterized in that: comprises a return air blast pipe (2), a sealed wind power separation chamber (4), a light material conveying blast pipe (6), a light material separator (7), a dust remover (8), a draught fan (9), a first belt conveyor (11), a second belt conveyor (15), a third belt conveyor (16) and a light material discharging and air shutting machine (18); a second belt conveyor (15) is correspondingly arranged at an outlet right below the sealed wind power separation chamber (4), a light material discharging and air shutting machine (18) is arranged at an outlet below the right side, and a third belt conveyor (16) is correspondingly arranged at an outlet below the right side; the sealed wind power separation chamber (4) is connected with a light material separator (7) through a light material conveying air pipe (6); a first belt conveyor (11) is correspondingly arranged at an outlet right below the light material separator (7); the light material separator (7) is connected with an induced draft fan (9) through a dust remover (8); and the draught fan (9) is connected with the sealed wind power separation chamber (4) through the return air blast pipe (2).
2. The winnowing system for separating the light matters in the decoration garbage recycling treatment according to claim 1, characterized in that: a material inlet (1) is formed in the top of the left end of the sealed wind power separation chamber (4), and a fourth belt conveyor (3) is arranged in the sealed wind power separation chamber (4); the material inlet (1) is correspondingly matched with the feeding end of the fourth belt conveyor (3); an air outlet of the return air blast pipe (2) in the sealed wind power separation chamber (4) is correspondingly matched with a blanking end of the fourth belt conveyor (3).
3. The winnowing system for separating the light matters in the decoration garbage recycling treatment according to claim 1, characterized in that: a light material suction inlet (5) of the light material delivery and supply pipe (6) is connected with an outlet at the upper right end of the sealed wind power separation chamber (4).
4. The winnowing system for separating the light matters in the decoration garbage recycling treatment, which is characterized in that: a material inlet (1) is formed in the top of the left end of the sealed wind power separation chamber (4), and a fourth belt conveyor (3) is arranged in the sealed wind power separation chamber (4); an air outlet of the return air blast pipe (2) in the sealed wind power separation chamber (4) is correspondingly matched with a blanking end of the fourth belt conveyor (3); an outlet at the upper end of the right side of the sealed wind power separation chamber (4) is higher than the fourth belt conveyor (3); an air outlet of the return air blast pipe (2) in the sealed wind power separation chamber (4) blows air to the outlet direction of the upper end of the right side of the sealed wind power separation chamber (4).
5. The winnowing system for separating the light matters in the decoration garbage recycling treatment according to claim 1, characterized in that: a discharge air-lock valve (10) is arranged at the lower part of the light material separator (7).
6. The winnowing system for separating the light matters in the decoration garbage recycling treatment according to claim 1, characterized in that: and a regulating valve (17) is arranged in the return air blast pipe (2).
7. The winnowing system for separating the light matters in the decoration garbage recycling treatment according to claim 1, characterized in that: a blowing pipe used for blowing and sweeping the light objects adsorbed by the filtering roller of the light object separator (7) is arranged on the filtering roller; the blowing pipe is communicated with the return air supply pipe (2) through an air pipe; an air adjusting door (19) is arranged in the air pipe.
8. The separation method by using the air separation system for separating the light substances in the resourceful treatment of the decoration garbage in claim 1 is characterized by comprising the following steps of:
s1, primarily removing decoration garbage of large-size light objects to obtain a material to be treated;
s2, the material to be processed enters a sealed wind power separation chamber (4) from a material inlet (1) and forms a dispersed free falling body through a fourth belt conveyor (3);
s3, the heavy objects (14) which are blown and sucked by the wind power of the return air supply pipe (2) fall to a second belt conveyor (15) under the action of gravity and are sent to subsequent treatment; the light objects are blown by the airflow blown out by the return air blast pipe (2) and sucked by the induced draft fan (9) to jointly act, and the large-size light objects (13) are blown down and fall to the third belt conveyor (16) through the light object discharging and air-closing machine (18); small-size light objects (12), dust and the like are sucked into a light object conveying air pipe (6) and are conveyed to a light object separator (7), and the light objects are separated from air flow and fall to a first belt conveyor (11);
s4, after light substances are separated, enabling dust-containing air flow to enter a dust remover (8) for dust removal;
s5, after the air flow at the outlet of the draught fan (9) is adjusted by an adjusting valve (17), the air flow is sent back to the sealed wind power separation chamber (4) by a return air blast pipe (2);
the adjusting valve (17) adjusts the air volume of the return air blast pipe (2) and keeps the sealed wind power separation chamber (4) in a negative pressure working state.
9. The separation method according to claim 8, characterized in that: a blowing pipe used for blowing and sweeping the light objects adsorbed by the filtering roller of the light object separator (7) is arranged on the filtering roller; the blowing pipe is communicated with the return air supply pipe (2) through an air pipe; an air adjusting door (19) is arranged in the air pipe;
part of air flow led out from the return air blast pipe (2) enters the blast pipe by adjusting the air damper (19) to purge the filtering roller on the light-weight separator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112986.1A CN112774990A (en) | 2021-01-27 | 2021-01-27 | Winnowing system and method for separating light matters in decoration garbage recycling treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112986.1A CN112774990A (en) | 2021-01-27 | 2021-01-27 | Winnowing system and method for separating light matters in decoration garbage recycling treatment |
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| CN112774990A true CN112774990A (en) | 2021-05-11 |
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| CN202110112986.1A Pending CN112774990A (en) | 2021-01-27 | 2021-01-27 | Winnowing system and method for separating light matters in decoration garbage recycling treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908936A (en) * | 2021-10-11 | 2022-01-11 | 常州智砼绿色建筑科技有限公司 | Rubbing crusher for building rubbish |
| CN114226057A (en) * | 2021-12-19 | 2022-03-25 | 郑仁川 | Light material wet separator for construction waste treatment |
| CN114653590A (en) * | 2022-03-29 | 2022-06-24 | 华侨大学 | Light material sorting device and method capable of reducing energy consumption |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908936A (en) * | 2021-10-11 | 2022-01-11 | 常州智砼绿色建筑科技有限公司 | Rubbing crusher for building rubbish |
| CN114226057A (en) * | 2021-12-19 | 2022-03-25 | 郑仁川 | Light material wet separator for construction waste treatment |
| CN114226057B (en) * | 2021-12-19 | 2023-11-28 | 中国二十二冶集团有限公司 | Light matter wet separator for construction waste treatment |
| CN114653590A (en) * | 2022-03-29 | 2022-06-24 | 华侨大学 | Light material sorting device and method capable of reducing energy consumption |
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Application publication date: 20210511 |