CN101701446B - Equipment for reclaiming old bituminous concrete - Google Patents
Equipment for reclaiming old bituminous concrete Download PDFInfo
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- CN101701446B CN101701446B CN2009102062887A CN200910206288A CN101701446B CN 101701446 B CN101701446 B CN 101701446B CN 2009102062887 A CN2009102062887 A CN 2009102062887A CN 200910206288 A CN200910206288 A CN 200910206288A CN 101701446 B CN101701446 B CN 101701446B
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- oil
- sump tank
- bituminous concrete
- auger
- mixing bowl
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Abstract
The invention relates to equipment for reclaiming old bituminous concrete, which comprises a laying material conveyer, a separating and reclaiming mechanism, a new bitumen oil tank, a mixture conveying device and a hot bunker, wherein the laying material conveyer is used for conveying old bituminous concrete to the separating and reclaiming mechanism, the separating and reclaiming mechanism is used for separating and reclaiming concrete and bitumen in the old bituminous concrete, and the mixture conveying device is used for conveying the prepared mixture of the bituminous concrete to the hot bunker for storage. The equipment for reclaiming the old bituminous concrete can effectively and thoroughly recover and recycle the pavement waste material of the bituminous concrete, lighten the environmental pollution and realize the recycle of resources; the bitumen is moved and heated in a recovering chamber, is fused more quickly and is evenly heated by high-temperature gas; the defect that fire smoke heating can destroy the physico-chemical performance of the bitumen is overcome; and the physico-chemical performance of the recovered bitumen oil is stable.
Description
Technical field
The present invention relates to a kind of equipment that the flexible pavement waste material is carried out recycling, specifically is a kind of equipment for reclaiming old bituminous concrete.
Background technology
Domestic different kinds of roads all are asphalt roads basically now, asphalt pavement material is to be mixed by molten asphalt and a certain size stone to form, compacting forms asphalt roads then, asphalt roads all has certain application life, after using certain time limit, need repairing or laying again, consequent old asphalt concrete road surface waste material just need be handled, existing processing mode generally is that waste material is directly given up as rubbish, again adopt the new material laying road, but concrete in the waste material of road surface and pitch also have very big value, directly give up the significant wastage that has caused resource.The processing mode that also has is that waste material is pulverized heating again, be mixed in again to stir in the new building stones to utilize, but the physicochemical property that is mingled in waste asphalt wherein has been subjected to certain damage again, and is bad with the pavement quality that new raw material is used with after can causing laying together.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of structure ingenious rationally, it is efficient to handle the road surface waste material, and the material reuse is equipment for reclaiming old bituminous concrete completely, the pitch physicochemical property that this equipment reclaims is stable, and it is stable that material is reused for the road quality of laying.
According to technical scheme provided by the invention, described equipment for reclaiming old bituminous concrete comprises stone conveyer, separating and recovering mechanism, new pitch fuel tank, positive displacement and hot aggregate bin, the stone conveyer is used for old asphalt concrete is delivered to separating and recovering mechanism, separating and recovering mechanism is used for the concrete of old asphalt concrete and separated from bitumen and reuse, and the bituminous concrete mixture that positive displacement is used for preparing is delivered to hot aggregate bin and stores; It is characterized in that separating and recovering mechanism comprises the recovery chamber and is installed in recovery indoor sieve ribbon conveyer, oil collector sump tank, a mixing bowl and heat disperser; The sieve ribbon conveyer is positioned at the top, and it is outdoor that its feeding port is arranged on recovery, is positioned at the below of stone conveyer discharging opening; Oil collector sump tank is positioned at the below of sieve ribbon conveyer; A mixing bowl is positioned at the rear of oil collector sump tank, and a mixing bowl is communicated with the oil-out of oil collector sump tank, and a mixing bowl cylinder mouth top is over against the blanking port of sieve ribbon conveyer; A mixing bowl is communicated with new pitch fuel tank by in-line, bitumenpump; The sidewall of a mixing bowl is provided with discharging opening, and discharging opening is communicated to hot aggregate bin by positive displacement; Heat disperser is positioned at the below of oil collector sump tank and a mixing bowl, and the heat disperser below is the cloth air channel, and the cloth air channel communicates with the combustion chamber.
Described sieve ribbon conveyer comprises drive roll, driven cylinder, chain and the defeated material of annular net, install with bearing assembly at drive roll and driven cylinder two ends, it is outdoor that drive roll is positioned at recovery, it is indoor that driven cylinder is positioned at recovery, the two ends of drive roll and driven cylinder are equipped with gear, are with the chain with its engagement on the gear; Be with the defeated material of annular net on drive roll and the driven cylinder, the sides adjacent with the defeated material net of annular on the chain convexes with locating convex block, and the defeated material of annular is concaved with corresponding location shrinkage pool on the net, and locating convex block is embedded in the shrinkage pool of location.
Described oil collector sump tank comprises oil sump tank, cover plate and fuel-displaced pipeline, oil sump tank is at least one, be positioned under the sieve ribbon conveyer, between the adjacent oil sump tank, between oil sump tank and the recovery locular wall certain interval is arranged, the top in gap is provided with cover plate, and the cover plate width is greater than gap width, web plate is housed in the oil sump tank, the oil sump tank two ends have oil outlet, oil outlet and fuel-displaced pipeline connection, and the port of export of fuel-displaced pipeline directly is communicated with a mixing bowl.
Described positive displacement comprises first auger and second auger, and first auger is connected with the discharging opening of a mixing bowl; Second auger is low early and high after to be obliquely installed, the discharging opening of the charging aperture of second auger and first auger be connected, the discharging opening of second auger is communicated to hot aggregate bin.
As a further improvement on the present invention, be provided with backing roll between the drive roll of described sieve ribbon conveyer and the driven cylinder.
As a further improvement on the present invention, described cover plate is made as arcuate structure.
As a further improvement on the present invention, described fuel-displaced pipeline is an auger, and the oil pumping auger is installed in the oil sump tank, and the oil pumping auger is extracted old coal tar and deliver in the fuel-displaced pipeline out, and fuel-displaced pipeline is transported to old coal tar in a mixing bowl again.
As a further improvement on the present invention, the entrance of described combustion chamber is provided with blast fan, and the pipeline structure of annular is arranged in described cloth air channel, and the end in cloth air channel is provided with air-introduced machine, and deduster also is installed in the cloth air channel.
As a further improvement on the present invention, be arranged in the high-temperature gas insulation of reclaiming outdoor part employing recovery chamber in described fuel-displaced pipeline, in-line and the positive displacement.
As a further improvement on the present invention, the cylinder mouth place of described a mixing bowl is provided with material scraping plate.
Equipment for reclaiming old bituminous concrete of the present invention can be efficiently recycling asphalt concrete pavement waste material up hill and dale, alleviated environment pollution, realized resource reutilization; Pitch is reclaiming indoor mobile heating, fuse sooner, and pitch evenly heats by high-temperature gas, has overcome the shortcoming that fiery cigarette heating can destroy the pitch physical and chemical performance, and the coal tar physicochemical property of recovery is stablized.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention.
Fig. 2 is the structure sectional view of drive roll, driven cylinder among the present invention.
Fig. 3 is the enlarged diagram of A portion among Fig. 2.
Description of reference numerals: 1-stone conveyer, 2-reclaims the chamber, the 3-air-introduced machine, the 4-deduster, 5-cloth air channel, the 6-heat disperser, the 7-oil sump tank, the 8-web plate, the fuel-displaced pipeline of 9-, the 10-cover plate, the 11-oil outlet, the 12-auger of pumping, the 13-bitumenpump, the 14-combustion chamber, the new pitch fuel tank of 15-, the 16-material scraping plate, the 17-blast fan, the 18-inflow pipeline, the 19-hot aggregate bin, 20-second auger, 21-first auger, the 22-a mixing bowl, 23-sieves ribbon conveyer, the driven cylinder of 24-, the 25-backing roll, the defeated material of 26-annular net, the 27-drive roll, the 28-bearing assembly, the 29-gear, the 30-chain, the 31-locating convex block, 32-locatees shrinkage pool.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure, the present invention mainly is made up of stone conveyer 1, separating and recovering mechanism, new pitch fuel tank 15, positive displacement and hot aggregate bin 19; Stone conveyer 1 is obliquely installed, be used for old asphalt concrete is delivered to separating and recovering mechanism, separating and recovering mechanism is used for the concrete of old asphalt concrete and separated from bitumen and reuse, and the bituminous concrete mixture that positive displacement is used for preparing is delivered to hot aggregate bin 19 and stores.
As shown in Figure 1, separating and recovering mechanism comprises recovery chamber 2 and is installed in sieve ribbon conveyer 23, oil collector sump tank, a mixing bowl 22 and the heat disperser 6 that reclaims in the chamber 2; Sieve ribbon conveyer 23 is positioned at the top, and its feeding port is arranged on and reclaims outside the chamber 2, is positioned at the below of stone conveyer 1 discharging opening, is used to accept the old asphalt concrete that stone conveyer 1 transports; Oil collector sump tank is positioned at the below of sieve ribbon conveyer 23, is used to collect the old coal tar after the separation; A mixing bowl 22 is positioned at the rear of oil collector sump tank, and a mixing bowl 22 is communicated with the oil-out of oil collector sump tank, and a mixing bowl 22 cylinder mouths top is over against the blanking port of sieve ribbon conveyer 23, and the concrete after the separation falls in a mixing bowl 22; A mixing bowl 22 is communicated with new pitch fuel tank 15 by in-line 18, bitumenpump 13, is used for the new coal tar of input in a mixing bowl 22, and new coal tar and concrete stir and form compound; The sidewall of a mixing bowl 22 is provided with discharging opening, and discharging opening is communicated to hot aggregate bin 19 by positive displacement; Heat disperser 6 is positioned at the below of oil collector sump tank and a mixing bowl 22, and heat disperser 6 belows are cloth air channel 5, and cloth air channel 5 communicates with combustion chamber 12.
As Fig. 1～shown in Figure 3, described sieve ribbon conveyer 23 mainly is made of drive roll 27, driven cylinder 24, chain 30 and the defeated material of annular net 26, install with bearing assembly 28 at drive roll 27 and driven cylinder 24 two ends, drive roll 27 is positioned at and reclaims outside the chamber 2, driven cylinder 24 is positioned at and reclaims chamber 2, the two ends of drive roll 27 and driven cylinder 24 are equipped with gear 29, are with the chain 30 with its engagement on the gear 29; Be with the defeated material of annular net 26 on drive roll 27 and the driven cylinder 24, sides adjacent with the defeated material of annular net 26 on the chain 30 convexes with locating convex block 31, be concaved with corresponding location shrinkage pool 32 on the defeated material of the annular net 26, locating convex block 31 is embedded in the shrinkage pool 32 of location, and drive roll 27 rotates drive chain 30 and the defeated material of annular net 26 rotates.In addition, be provided with the backing roll 25 of some between the drive roll 27 of sieve ribbon conveyer 23 and the driven cylinder 24, to support the defeated material of annular net 26.
As shown in Figure 1, described oil collector sump tank comprises oil sump tank 7, cover plate 10 and fuel-displaced pipeline 9, oil sump tank 7 is at least one, be positioned under the sieve ribbon conveyer 23, between the adjacent oil sump tank 7, between oil sump tank 7 and recovery chamber 2 walls certain interval is arranged, the top in gap is provided with cover plate 10, cover plate 10 width are greater than gap width, cover plate 10 is made as arcuate structure, make to be slipped to automatically in the oil sump tank 7 by the old coal tar of thermal release, web plate 8 is housed, in the oil sump tank 7 to block the building stones chip that drops, oil sump tank 7 two ends have oil outlet 11, oil outlet 11 is communicated with fuel-displaced pipeline 9, and the port of export of fuel-displaced pipeline 9 directly is communicated with a mixing bowl 22, considers that the old coal tar of recovery compares thickness, mobile relatively poor, described fuel-displaced pipeline 9 adopts auger, and oil pumping auger 12 is installed in the oil sump tank 7, and oil pumping auger 12 is extracted old coal tar and deliver in the fuel-displaced pipeline 9 out, fuel-displaced pipeline 9 continues old coal tar to be transported in a mixing bowl 22 again, in case oil sump tank 7 spill-overs.
Described positive displacement comprises that first auger 21 and second auger, 20, the first augers 21 are connected with the discharging opening of a mixing bowl 22; Second auger, 20 low early and high after being obliquely installed, the discharging opening of the charging aperture of second auger 20 and first auger 21 be connected, the discharging opening of second auger 20 is communicated to hot aggregate bin 19.
As shown in Figure 1, for improving the utilization ratio of heat, the pipeline structure of annular can be arranged in described cloth air channel 5,14 entrance is provided with blast fan 17 in the combustion chamber, the end in cloth air channel is provided with air-introduced machine 3, so that high-temperature flue gas is uniformly dispersed, deduster 4 is installed also in the cloth air channel 5, to remove the impurity such as dust in the high-temperature flue gas, improve the coal tar quality that reclaims.
As shown in Figure 1, the cylinder mouth place of described a mixing bowl 22 is provided with material scraping plate 16, and the coal tar that is used for sticking on the defeated material of the annular net 26 scrapes, to alleviate the operating load of equipment.
For improving the thermal efficiency of the present invention, be arranged in described fuel-displaced pipeline 9, in-line 18 and the positive displacement and reclaim the high-temperature gas insulation that chamber 2 is reclaimed in chamber 2 outer parts employings.
The course of work of the present invention and operating principle are as follows:
At first part in small, broken bits is tentatively pulverized and sieved to the asphalt concrete pavement waste material, start the present invention, the asphalt concrete pavement waste material after stone conveyer 1 will be pulverized is transported on the annular transmission net 26 that sieves on the ribbon conveyer 23, and is admitted in the recovery chamber 2; Simultaneously, high-temperature flue gas in the combustion chamber, below circulates in the cloth air channel 5 of annular, indoor gas heating will be reclaimed, high-temperature gas rises, after evenly disperseing via heat disperser 6, to entering the asphalt concrete pavement waste material heating of reclaiming chamber 2, the fusion of being heated of the pitch in the waste material, in the mesh of annular transmission net 26, drip, fall in the oil sump tank 7 of oil collector sump tank; Residual rock ballast after the fusion of asphalt concrete pavement waste material separates is by falling into from blanking port in a mixing bowl 22, a mixing bowl 22 starts, and feed new coal tar, again be mixed into qualified bituminous concrete mixture, compound utilizes first auger 21, second auger 20 to be transported in the hot aggregate bin 19, hot aggregate bin 19 bottoms are provided with discharging opening, and compound is exported via discharging opening, have realized the recycling of concrete waste material.The old coal tar that reclaims in the described oil sump tank 7 continues to be delivered in a mixing bowl by oil pumping auger 12, fuel-displaced pipeline 9, has realized the recycling of old coal tar.
Claims (9)
1. equipment for reclaiming old bituminous concrete, comprise stone conveyer (1), separating and recovering mechanism, new pitch fuel tank (15), positive displacement and hot aggregate bin (19), stone conveyer (1) is used for old asphalt concrete is delivered to separating and recovering mechanism, separating and recovering mechanism is used for the concrete of old asphalt concrete and separated from bitumen and reuse, and the bituminous concrete mixture that positive displacement is used for preparing is delivered to hot aggregate bin (19) and stores; It is characterized in that separating and recovering mechanism comprises recovery chamber (2) and is installed in sieve ribbon conveyer (23), oil collector sump tank, a mixing bowl (22) and the heat disperser (6) that reclaims in the chamber (2); Sieve ribbon conveyer (23) is positioned at the top, and its feeding port is arranged on and reclaims outside the chamber (2), is positioned at the below of stone conveyer (1) discharging opening; Oil collector sump tank is positioned at the below of sieve ribbon conveyer (23); A mixing bowl (22) is positioned at the rear of oil collector sump tank, and a mixing bowl (22) is communicated with the oil-out of oil collector sump tank, and a mixing bowl (22) cylinder mouth top is over against the blanking port of sieve ribbon conveyer (23); A mixing bowl (22) is communicated with new pitch fuel tank (15) by in-line (18), bitumenpump (13); The sidewall of a mixing bowl (22) is provided with discharging opening, and discharging opening is communicated to hot aggregate bin (19) by positive displacement; Heat disperser (6) is positioned at the below of oil collector sump tank and a mixing bowl (22), and heat disperser (6) below is cloth air channel (5), and cloth air channel (5) communicate with combustion chamber (14); Described sieve ribbon conveyer (23) comprises drive roll (27), driven cylinder (24), chain (30) and the defeated material of annular net (26), install with bearing assembly (28) at drive roll (27) and driven cylinder (24) two ends, drive roll (27) is positioned at and reclaims outside the chamber (2), driven cylinder (24) is positioned at and reclaims chamber (2), the two ends of drive roll (27) and driven cylinder (24) are equipped with gear (29), are with the chain (30) with its engagement on the gear (29); Be with the defeated material of annular net (26) on drive roll (27) and the driven cylinder (24), chain (30) is gone up with annular is defeated and is expected that the sides adjacent of net (26) convexes with locating convex block (31), be concaved with corresponding location shrinkage pool (32) on the annular defeated material net (26), locating convex block (31) is embedded in the location shrinkage pool (32).
2. equipment for reclaiming old bituminous concrete according to claim 1, its feature also is, described oil collector sump tank comprises oil sump tank (7), cover plate (10), fuel-displaced pipeline (9), oil sump tank (7) is at least one, be positioned under the sieve ribbon conveyer (23), between the adjacent oil sump tank (7), between oil sump tank (7) and recovery chamber (2) wall certain interval is arranged, the top in gap is provided with cover plate (10), cover plate (10) width is greater than gap width, web plate (8) is housed in the oil sump tank (7), oil sump tank (7) two ends have oil outlet (11), and oil outlet (11) is communicated with fuel-displaced pipeline (9), and the port of export of fuel-displaced pipeline (9) directly is communicated with a mixing bowl (22).
3. equipment for reclaiming old bituminous concrete according to claim 1, its feature are that also described positive displacement comprises first auger (21) and second auger (20), and first auger (21) is connected with the discharging opening of a mixing bowl (22); Low early and high after being obliquely installed of second auger (20), the discharging opening of the charging aperture of second auger (20) and first auger (21) be connected, the discharging opening of second auger (20) is communicated to hot aggregate bin (19).
4. equipment for reclaiming old bituminous concrete according to claim 1, its feature also are, are provided with backing roll (25) between the drive roll (27) of described sieve ribbon conveyer (23) and the driven cylinder (24).
5. equipment for reclaiming old bituminous concrete according to claim 2, its feature are that also described cover plate (10) is an arcuate structure.
6. equipment for reclaiming old bituminous concrete according to claim 2, its feature also is, described fuel-displaced pipeline (9) is an auger, oil pumping auger (12) is installed in the described oil sump tank (7), oil pumping auger (12) is extracted old coal tar and deliver in the fuel-displaced pipeline (9) out, and fuel-displaced pipeline (9) is transported to old coal tar in a mixing bowl (22) again.
7. equipment for reclaiming old bituminous concrete according to claim 1, its feature are that also the pipeline structure of annular is arranged in described cloth air channel (5), and the end of cloth air channel (5) is provided with air-introduced machine (3), and deduster (4) also is installed in cloth air channel (5).
8. equipment for reclaiming old bituminous concrete according to claim 1, its feature are that also the entrance of described combustion chamber (14) is provided with blast fan (17).
9. equipment for reclaiming old bituminous concrete according to claim 1, its feature are that also the cylinder mouth place of described a mixing bowl (22) is provided with material scraping plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102062887A CN101701446B (en) | 2009-10-15 | 2009-10-15 | Equipment for reclaiming old bituminous concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102062887A CN101701446B (en) | 2009-10-15 | 2009-10-15 | Equipment for reclaiming old bituminous concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101701446A CN101701446A (en) | 2010-05-05 |
| CN101701446B true CN101701446B (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102062887A Expired - Fee Related CN101701446B (en) | 2009-10-15 | 2009-10-15 | Equipment for reclaiming old bituminous concrete |
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| Country | Link |
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| CN (1) | CN101701446B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487667A (en) * | 2018-11-13 | 2019-03-19 | 肖江江 | A kind of urban construction road construction corner pitch collecting device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561140B (en) * | 2011-11-22 | 2015-05-13 | 韩进军 | Method for making molding powder and gravel road, and appliance therefor |
| CN106944460A (en) * | 2017-03-31 | 2017-07-14 | 安徽鹰龙工业设计有限公司 | A kind of waste asphalt reclaimer |
| CN109357502A (en) * | 2018-04-28 | 2019-02-19 | 冯海赓 | Bituminous concrete building stones heating, drying machine and asphalt pavement material production system |
| CN113442289B (en) * | 2021-07-28 | 2022-06-10 | 广西建设职业技术学院 | Preparation device and preparation method of construction waste recycled aggregate sound insulation mortar |
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| US4318619A (en) * | 1977-06-21 | 1982-03-09 | Iowa Manufacturing Company Of Cedar Rapids, Iowa | Method of and apparatus for asphaltic concrete hot mix recycling |
| US4522498A (en) * | 1978-01-23 | 1985-06-11 | Mendenhall Robert Lamar | Asphaltic concrete recycle apparatus and method |
| CN2443034Y (en) * | 2000-10-26 | 2001-08-15 | 南阳市陆德筑路机械制造有限公司 | Asphalt concrete regenerating equipment |
| CN2627051Y (en) * | 2003-05-19 | 2004-07-21 | 孙贵民 | Asphalt concrete regeneration equipment |
| CN2719904Y (en) * | 2004-06-28 | 2005-08-24 | 无锡锡通工程机械有限公司 | Regenerating device for bitumious mixing ang agitating equipment |
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2009
- 2009-10-15 CN CN2009102062887A patent/CN101701446B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318619A (en) * | 1977-06-21 | 1982-03-09 | Iowa Manufacturing Company Of Cedar Rapids, Iowa | Method of and apparatus for asphaltic concrete hot mix recycling |
| US4522498A (en) * | 1978-01-23 | 1985-06-11 | Mendenhall Robert Lamar | Asphaltic concrete recycle apparatus and method |
| CN2443034Y (en) * | 2000-10-26 | 2001-08-15 | 南阳市陆德筑路机械制造有限公司 | Asphalt concrete regenerating equipment |
| CN2627051Y (en) * | 2003-05-19 | 2004-07-21 | 孙贵民 | Asphalt concrete regeneration equipment |
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Non-Patent Citations (1)
| Title |
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| JP特开2005-2754A 2005.01.06 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487667A (en) * | 2018-11-13 | 2019-03-19 | 肖江江 | A kind of urban construction road construction corner pitch collecting device |
| CN109487667B (en) * | 2018-11-13 | 2021-04-09 | 无锡鑫惠建设工程有限公司 | Road construction corner pitch collecting device for municipal construction |
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| Publication number | Publication date |
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| CN101701446A (en) | 2010-05-05 |
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Granted publication date: 20110316 Termination date: 20131015 |