CN111879078A - Anti-sticking method for regenerative drying roller - Google Patents
Anti-sticking method for regenerative drying roller Download PDFInfo
- Publication number
- CN111879078A CN111879078A CN202010535804.7A CN202010535804A CN111879078A CN 111879078 A CN111879078 A CN 111879078A CN 202010535804 A CN202010535804 A CN 202010535804A CN 111879078 A CN111879078 A CN 111879078A
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- Prior art keywords
- powder
- drying roller
- roller
- connecting piece
- drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to an anti-sticking method for a regenerative drying roller, which comprises the steps that a powder sliding pipe is connected with a powder recovery sliding pipe of a lower box body of a bag-type dust collector, the other end of the powder sliding pipe is connected with a powder bin, the outlet of the powder bin is connected with an adjusting mechanism, the outlet end of the powder bin is connected with a three-way connecting piece, the right end of the three-way connecting piece is connected with a Roots blower, the left end of the three-way connecting piece is connected with a spray gun through a powder spraying pipe, the spray gun is positioned in the feeding end of the drying roller, and the spray gun extends into the drying roller from the feeding; the invention has simple structure, and can realize the anti-sticking effect of the regenerative drying roller on the one hand; on the other hand, the layer of dust particles is wrapped on the surface of the asphalt mixture, so that the secondary aging phenomenon of the regenerated asphalt mixture in the heating process can be reduced; moreover, the recovery powder can be fully utilized, and the construction cost is reduced; finally, the method provided by the patent is easy to realize, low in manufacturing cost and convenient to maintain.
Description
Technical Field
The invention relates to the technical field of drying drums, in particular to an anti-sticking method for a regenerative drying drum.
Background
As more and more expressways of China enter the overhaul stage, a large amount of waste asphalt mixtures are generated, and if the waste asphalt mixtures can be recycled in a large amount, considerable economic benefits and social benefits can be brought; more than 98 percent of asphalt mixture stirring equipment used for road surface construction in China is forced intermittent stirring equipment.
The asphalt plant-mixing hot recycling equipment is matched on the basis of an intermittent mixing station, so that the repeated investment can be avoided, the purchase cost is reduced, the investment is small, the risk is small, and the effect is quick, so that the asphalt plant-mixing hot recycling equipment is more and more accepted and required by the market, the drying roller is a key part of the plant-mixing hot recycling equipment, if the roller is seriously stuck in the drying and heating process of the recycled asphalt mixture in the drying roller, the drying efficiency is greatly reduced, the yield and the service performance of the equipment are also directly influenced, and therefore, the anti-sticking method for the recycling drying roller is provided, and the defects are overcome.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the invention provides an anti-sticking method for a regenerative drying roller, which is simple to operate, good in effect and practical.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a regenerated drying roller anti-sticking method comprises the steps that a powder sliding pipe is connected with a powder recovery sliding pipe of a lower box body of a bag-type dust collector, the other end of the powder sliding pipe is connected with a powder bin, an outlet of the powder bin is connected with an adjusting mechanism, an outlet end of the powder bin is connected with a three-way connecting piece, the right end of the three-way connecting piece is connected with a Roots blower, the left end of the three-way connecting piece is connected with a spray gun through a powder spraying pipe, the spray gun is located in a feeding end of a drying roller, and the spray gun extends into the drying roller from the feeding end of the drying roller;
the direction of the heating airflow in the drying roller and the material flow direction in the drying roller are in a convection state, and the heating airflow can dry the regenerated asphalt mixture in the drying roller;
the recovered powder of the bag-type dust collector is continuously or periodically sprayed into the drying roller from the feeding end of the drying roller under the action of the Roots blower, and uniformly covers the inner cylinder wall of the drying roller and the surfaces of the internal parts of the drying roller, so that the regenerated asphalt mixture is mutually isolated from the cylinder wall and the internal parts of the drying roller in the drying roller, and the anti-sticking effect of the regenerated drying roller is realized.
Further, the adjusting mechanism comprises a butterfly valve and a discharge valve, and the butterfly valve and the discharge valve are used for controlling the powder outlet amount of the powder bin; the discharge valve is positioned below the butterfly valve.
Furthermore, a flow meter for monitoring the powder spraying flow is arranged on the powder spraying pipe.
(III) advantageous effects
The invention has the beneficial effects that: on one hand, the anti-sticking effect of the regenerative drying roller can be realized; on the other hand, the layer of dust particles is wrapped on the surface of the asphalt mixture, so that the secondary aging phenomenon of the regenerated asphalt mixture in the heating process can be reduced; moreover, the recovery powder can be fully utilized, and the construction cost is reduced; finally, the method provided by the patent is easy to realize, low in manufacturing cost and convenient to maintain.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
An anti-sticking method for a regenerative drying roller is shown in figure 1, and comprises a powder sliding pipe 2 connected with a powder recovery sliding pipe of a lower box body of a bag-type dust collector 1, wherein the other end of the powder sliding pipe 2 is connected with a powder bin 3, an outlet of the powder bin 3 is connected with an adjusting mechanism, the adjusting mechanism comprises a butterfly valve 4 and a discharge valve 5, the discharge valve 5 is positioned below the butterfly valve 4, and the butterfly valve 4 and the discharge valve 5 are used for controlling the powder output of the powder bin 3; the powder spraying device is characterized in that the outlet end of the powder bin 3 is connected with a three-way connecting piece 6, the right end of the three-way connecting piece 6 is connected with a Roots blower 7, the left end of the three-way connecting piece 6 is connected with a spray gun 9 through a powder spraying pipe 8, the spray gun 9 is located in the feeding end of a drying roller 10, and the spray gun 9 extends into the drying roller 10 from the feeding end of the drying roller 10 and sprays powder along the material flow direction.
Further, a flow meter 11 for monitoring the powder spraying flow is arranged on the powder spraying pipe 8.
In this embodiment, the direction 12 of the heating airflow in the drying drum 10 and the direction 13 of the material flow in the drying drum 10 are in a convection state, and the heating airflow can dry the recycled asphalt mixture in the drying drum 10.
When the method is implemented, the recovered powder of the bag-type dust collector 1 is continuously or periodically and discontinuously sprayed into the drying roller 10 from the feeding end of the drying roller 10 under the action of the Roots blower 7, and uniformly covers the inner wall of the drying roller 10 and the surfaces of the internal components thereof, so that the regenerated asphalt mixture is mutually isolated from the inner wall and the internal components of the drying roller 10, and the anti-sticking effect of the regenerated drying roller is realized; in addition, in most asphalt formulations, dust particles tend to act as a filler for the asphalt mix and therefore do not have any adverse effect on the finished asphalt.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (3)
1. The anti-sticking method for the regenerative drying roller is characterized by comprising a powder recovery chute connected with a powder sliding pipe (2) of a lower box body of a bag-type dust collector (1), wherein the other end of the powder sliding pipe (2) is connected with a powder bin (3), an outlet of the powder bin (3) is connected with an adjusting mechanism, an outlet end of the powder bin (3) is connected with a three-way connecting piece (6), the right end of the three-way connecting piece (6) is connected with a Roots blower (7), the left end of the three-way connecting piece (6) is connected with a spray gun (9) through a powder spraying pipe (8), the spray gun (9) is positioned in a feeding end of the drying roller (10), and the spray gun (9) extends into the drying roller (10) from the feeding end of the drying roller (10) and sprays powder along;
the direction (12) of the heating airflow in the drying roller (10) and the material flow direction (13) in the drying roller (10) are in a convection state, and the heating airflow can dry the regenerated asphalt mixture in the drying roller (10);
the recycled powder of the bag-type dust collector (1) is continuously or periodically sprayed into the drying roller (10) from the feeding end of the drying roller (10) under the action of the Roots blower (7) and uniformly covers the surface of the inner roller wall and the inner parts of the drying roller (10), so that the recycled asphalt mixture is mutually isolated from the inner roller wall and the inner parts of the drying roller (10), and the anti-sticking effect of the recycled drying roller is realized.
2. The anti-sticking method for the regenerative drying drum according to claim 1, characterized in that the adjusting mechanism comprises a butterfly valve (4) and a discharge valve (5), the butterfly valve (4) and the discharge valve (5) are used for controlling the powder outlet amount of the powder bin (3); the discharge valve (5) is positioned below the butterfly valve (4).
3. A regenerative drying drum anti-sticking method according to claim 1, characterized in that the powder spraying pipe (8) is provided with a flow meter (11) for monitoring the powder spraying flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535804.7A CN111879078B (en) | 2020-06-12 | 2020-06-12 | Anti-sticking method for regenerative drying roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535804.7A CN111879078B (en) | 2020-06-12 | 2020-06-12 | Anti-sticking method for regenerative drying roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111879078A true CN111879078A (en) | 2020-11-03 |
| CN111879078B CN111879078B (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010535804.7A Active CN111879078B (en) | 2020-06-12 | 2020-06-12 | Anti-sticking method for regenerative drying roller |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121028A (en) * | 1996-10-22 | 1998-05-12 | Daiki:Kk | Adhesion inhibitor for heated asphalt paving mixture |
| KR20010007810A (en) * | 2000-09-28 | 2001-02-05 | 정수균 | A movable asphalt concrete manufacturing machine |
| CN2679233Y (en) * | 2004-02-09 | 2005-02-16 | 杨伟 | Cylinder type asphalt mixing machine able to add ore powder |
| JP4275455B2 (en) * | 2003-03-20 | 2009-06-10 | 株式会社リコー | Intermediate transfer member, image forming apparatus, image forming method, and dry toner for image formation |
| CN203475304U (en) * | 2013-09-25 | 2014-03-12 | 福建泉成机械有限公司 | Continuous type recycled asphalt mixture stirring device |
| CN105040555A (en) * | 2015-07-02 | 2015-11-11 | 福建南方路面机械有限公司 | Asphalt regeneration roller and method for preventing materials from being stuck on roller inner wall |
| CN204768758U (en) * | 2015-06-22 | 2015-11-18 | 长春黄金研究院 | Device for preventing section of thick bamboo wall bonding active carbon of active carbon regeneration rotary kiln |
| CN105133464A (en) * | 2015-08-19 | 2015-12-09 | 福建南方路面机械有限公司 | Thermal-regeneration asphalt stirring equipment with antistick device and antistick method |
| CN205775718U (en) * | 2016-07-14 | 2016-12-07 | 福建铁拓机械有限公司 | A kind of novel asphalt-regenerating material drying system |
| CN106311076A (en) * | 2016-10-17 | 2017-01-11 | 天津亚泰昊德科技有限公司 | Roller pelletizer for producing controlled-release compound fertilizer with ammonia-acid method |
| CN108532415A (en) * | 2018-06-05 | 2018-09-14 | 福建泉成机械有限公司 | A kind of asphalt mixing plant and technique of high proportion addition reworked material |
| CN109024166A (en) * | 2018-08-08 | 2018-12-18 | 三汽车制造有限公司 | The Antisticking system and hot-mix plant recycling equipment for asphalt mixture of hot recycling feed bin |
| CN208279976U (en) * | 2018-06-08 | 2018-12-25 | 福建铁拓机械有限公司 | A kind of anti-sticking RAP regeneration and drying heating system |
| CN209362114U (en) * | 2018-10-30 | 2019-09-10 | 长沙太空金路桥材料有限公司 | A kind of bituminous mixing plant production high-efficiency pulse formula bag filter |
-
2020
- 2020-06-12 CN CN202010535804.7A patent/CN111879078B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121028A (en) * | 1996-10-22 | 1998-05-12 | Daiki:Kk | Adhesion inhibitor for heated asphalt paving mixture |
| KR20010007810A (en) * | 2000-09-28 | 2001-02-05 | 정수균 | A movable asphalt concrete manufacturing machine |
| JP4275455B2 (en) * | 2003-03-20 | 2009-06-10 | 株式会社リコー | Intermediate transfer member, image forming apparatus, image forming method, and dry toner for image formation |
| CN2679233Y (en) * | 2004-02-09 | 2005-02-16 | 杨伟 | Cylinder type asphalt mixing machine able to add ore powder |
| CN203475304U (en) * | 2013-09-25 | 2014-03-12 | 福建泉成机械有限公司 | Continuous type recycled asphalt mixture stirring device |
| CN204768758U (en) * | 2015-06-22 | 2015-11-18 | 长春黄金研究院 | Device for preventing section of thick bamboo wall bonding active carbon of active carbon regeneration rotary kiln |
| CN105040555A (en) * | 2015-07-02 | 2015-11-11 | 福建南方路面机械有限公司 | Asphalt regeneration roller and method for preventing materials from being stuck on roller inner wall |
| CN105133464A (en) * | 2015-08-19 | 2015-12-09 | 福建南方路面机械有限公司 | Thermal-regeneration asphalt stirring equipment with antistick device and antistick method |
| CN205775718U (en) * | 2016-07-14 | 2016-12-07 | 福建铁拓机械有限公司 | A kind of novel asphalt-regenerating material drying system |
| CN106311076A (en) * | 2016-10-17 | 2017-01-11 | 天津亚泰昊德科技有限公司 | Roller pelletizer for producing controlled-release compound fertilizer with ammonia-acid method |
| CN108532415A (en) * | 2018-06-05 | 2018-09-14 | 福建泉成机械有限公司 | A kind of asphalt mixing plant and technique of high proportion addition reworked material |
| CN208279976U (en) * | 2018-06-08 | 2018-12-25 | 福建铁拓机械有限公司 | A kind of anti-sticking RAP regeneration and drying heating system |
| CN109024166A (en) * | 2018-08-08 | 2018-12-18 | 三汽车制造有限公司 | The Antisticking system and hot-mix plant recycling equipment for asphalt mixture of hot recycling feed bin |
| CN209362114U (en) * | 2018-10-30 | 2019-09-10 | 长沙太空金路桥材料有限公司 | A kind of bituminous mixing plant production high-efficiency pulse formula bag filter |
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| Publication number | Publication date |
|---|---|
| CN111879078B (en) | 2022-01-11 |
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