CN108411737B - Combustion chamber of asphalt mixture thermal regeneration equipment - Google Patents
Combustion chamber of asphalt mixture thermal regeneration equipment Download PDFInfo
- Publication number
- CN108411737B CN108411737B CN201810430935.1A CN201810430935A CN108411737B CN 108411737 B CN108411737 B CN 108411737B CN 201810430935 A CN201810430935 A CN 201810430935A CN 108411737 B CN108411737 B CN 108411737B
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- China
- Prior art keywords
- furnace body
- combustion chamber
- asphalt mixture
- thermal regeneration
- mixture thermal
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 54
- 239000010426 asphalt Substances 0.000 title claims abstract description 26
- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 230000008929 regeneration Effects 0.000 title claims abstract description 18
- 238000011069 regeneration method Methods 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Air Supply (AREA)
Abstract
The combustion chamber of the asphalt mixture thermal regeneration equipment comprises a first furnace body vertically arranged along the longitudinal direction and a second furnace body connected to the side face of the first furnace body in an inclined mode, wherein a dust collector is arranged at the bottom of the first furnace body, an air outlet is formed in the top of the first furnace body, the second furnace body is obliquely arranged downwards relative to the first furnace body, and a combustor is arranged at the bottom end of the second furnace body. The combustion chamber adopts a vertical structure, and impurities in the tail gas can be automatically removed through the dust collector at the bottom of the combustion chamber, so that manual cleaning is not needed, the running stability and safety of equipment are improved, and the service life of the combustion chamber is prolonged; the burner is arranged at a low position, so that the heat radiation of the hot gas in the combustion chamber to the burner components can be greatly reduced, the burner can be better protected, and the service life of the burner is prolonged; the vertical structure increases the volume of the combustion chamber, can better ensure the mixing time of high-temperature flame and low-temperature tail gas, can reduce the occupied area of the combustion chamber, and saves the equipment cost and the use cost.
Description
Technical Field
The invention relates to asphalt mixture thermal regeneration equipment, in particular to a combustion chamber of asphalt mixture thermal regeneration equipment.
Background
The hot regenerating technology for asphalt mixture is one of recovering and utilizing waste asphalt mixture and has the main technological process of stoving waste asphalt mixture, heating, mixing with new aggregate and stirring. In order to ensure that the ageing degree of surface asphalt is reduced to the minimum in the drying and heating process of the waste asphalt mixture, the main mode of the traditional drying and heating of the waste asphalt mixture is indirect heating through medium-temperature hot air (400-800 ℃), the common mode of indirect heating is to add a combustion chamber at the front end of a drying roller, and a tail gas (100-200 ℃) with relatively low temperature is introduced from the tail part of the drying roller to enter the combustion chamber and is mixed with high-temperature flame (1300-1400 ℃) in the combustion chamber, so that the medium-temperature hot air with the temperature lower than the high-temperature flame is obtained as a heating medium for drying and heating the waste asphalt mixture. In the prior art, the problems generally exist that impurities such as a large amount of particulate matters and asphalt smoke are introduced into a combustion chamber, ash accumulation and oil accumulation are easy to occur at the bottom of the combustion chamber after a period of production, manual periodic cleaning is needed, the use of the combustion chamber is affected, if oil residues such as asphalt oil and heavy oil cannot be timely cleaned in the combustion chamber, the risk of burning by combustion flame exists, and a certain potential safety hazard exists for the use of equipment. Secondly, because the deposition of adhesion in the combustor bottom is comparatively hard, need use great external force to carry out the manual work and clean, destroy the combustion chamber inner wall very easily this moment, in case take place the damage, very easily lead to the whole inefficacy of combustion chamber to reduce the life of combustion chamber. Meanwhile, the burner and the combustion chamber in the prior art are horizontally and coaxially arranged, and a large amount of hot gas still exists in the combustion chamber after equipment production is stopped, and at the moment, the heat radiation of the hot gas can damage components of the burner, so that the service life of the burner is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the combustion chamber of the asphalt mixture thermal regeneration equipment, which can realize automatic ash removal, does not need manual cleaning, can improve the stability and safety of equipment operation, can prolong the service lives of the combustion chamber and the burner, can reduce the occupied area and can save the equipment cost and the use cost.
The invention adopts the following technical scheme:
the utility model provides a combustion chamber of hot regeneration facility of bituminous mixture, is including the first furnace body that sets up vertically along vertical and connect in first furnace body side and with the second furnace body of the slope setting that first furnace body is inside to be linked together, first furnace body bottom is provided with dust collector, top and is provided with the air outlet, the second furnace body sets up with first furnace body downward sloping relatively to the second furnace body is less than the air outlet position setting on the first furnace body, and the combustor sets up in second furnace body bottom.
Further, the dust collector is arranged in the first furnace body and is lower than the connection port of the first furnace body and the second furnace body.
Further, the dust collector forms a funnel-shaped structure with the caliber gradually decreasing from top to bottom, and the lower port of the dust collector is arranged in an open mode.
Further, the air outlet is arranged at the top of the side wall of the first furnace body, and the direction of the air outlet is arranged along the direction perpendicular to the first furnace body.
Further, an air box communicated with the inside of the second furnace body is arranged on the lower end face of the second furnace body.
Further, a plurality of air channels communicated with the outside are formed between the air box and the second furnace body.
Further, a plurality of ventilation openings are formed in the lower end face of the second furnace body, a high-temperature air inlet is formed in the bellows in a penetrating mode, a low-temperature air inlet is formed in the side edge of the bellows, and the high-temperature air inlet and the low-temperature air inlet are communicated with the inside of the second furnace body through the ventilation openings formed in the lower end face of the second furnace body.
Further, the first furnace body and the second furnace body both comprise a furnace body shell and a high temperature resistant layer arranged on the inner wall of the furnace body shell.
Further, the high-temperature resistant layer adopts ceramic fiber refractory cotton or refractory clay.
Further, the furnace body shell of the first furnace body is a cylindrical barrel or a barrel with a regular polygon cross section.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
firstly, the combustion chamber adopts a vertical structure and is composed of a first furnace body vertically arranged along the longitudinal direction and a second furnace body obliquely arranged and connected to the side surface of the first furnace body, a dust collector is arranged at the bottom of the vertically arranged first furnace body, the dust collector at the bottom of the combustion chamber can be used for automatically removing dust from the tail gas introduced into the combustion chamber, the dust is not easy to accumulate in the first furnace body and the second furnace body, the combustion chamber does not need to be cleaned manually, the use of the combustion chamber is not influenced, the stability and the safety of the operation of equipment are improved, the potential safety hazard can be effectively reduced, the risk of damaging the inner wall of the combustion chamber caused by manual dust removal is reduced, and the service life of the combustion chamber is prolonged;
secondly, the burner is arranged at the bottom end of the obliquely arranged second furnace body, and an air outlet is arranged at the top of the first furnace body, when the equipment is stopped after production, a large amount of hot air in the combustion chamber mainly flows to the high-level space in the combustion chamber, so that the heat radiation of the hot air in the combustion chamber to the burner components is greatly reduced, the burner can be better protected, and the service life of the burner is prolonged;
and thirdly, the vertical structure is adopted to enlarge the volume of the combustion chamber, so that the mixing time of high-temperature flame and low-temperature tail gas can be better ensured, the occupied area of the combustion chamber can be reduced, and the equipment cost and the use cost are saved.
Drawings
FIG. 1 is a cross-sectional elevation view of an embodiment of the present invention;
fig. 2 is a perspective view of a cross-sectional structure of an embodiment of the present invention.
In the figure: 1. the furnace comprises a first furnace body, a first furnace body shell, a first high-temperature resistant layer, a second furnace body shell, a second high-temperature resistant layer, a dust collector, an air outlet, a burner, a wind box, a high-temperature air inlet, a low-temperature air inlet and a ventilation opening.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 and 2, a combustion chamber of an asphalt mixture thermal regeneration apparatus of the present invention includes a first furnace body 1 vertically arranged in a longitudinal direction and a second furnace body 2 connected to a side surface of the first furnace body 1 and arranged in an inclined manner to communicate with an inside of the first furnace body 1.
The first furnace body 1 comprises a first furnace body shell 10 and a first high-temperature resistant layer 11 arranged on the inner wall of the first furnace body shell 10, wherein the first furnace body shell 10 is a cylindrical barrel or a barrel with a regular polygon cross section, and the first high-temperature resistant layer 11 adopts ceramic fiber fireproof cotton or fireproof mud. The bottom of the first furnace body 1 is provided with a dust collector 3, and the top is provided with an air outlet 4. The dust collector 3 is arranged in the first furnace body 1 and is lower than the connection port of the first furnace body 1 and the second furnace body 2, the dust collector 3 forms a funnel-shaped structure with the caliber gradually decreasing from top to bottom, and the lower port of the dust collector 3 is opened. The air outlet 4 is arranged at the top of the side wall of the first furnace body 1, and the direction of the air outlet 4 is arranged along the direction vertical to the first furnace body 1.
The second furnace body 2 comprises a second furnace body shell 20 and a second high temperature resistant layer 21 arranged on the inner wall of the second furnace body shell 20, wherein the second high temperature resistant layer 21 adopts ceramic fiber fireproof cotton or fireproof clay. The second furnace body 2 is arranged in a downward inclined mode relative to the first furnace body 1, the second furnace body 2 is arranged at a position lower than an air outlet 4 on the first furnace body 1, and a combustor 5 is arranged at the bottom end of the second furnace body 2. The lower end face of the second furnace body 2 is provided with an air box 6 communicated with the inside of the second furnace body 2, and a plurality of air channels communicated with the outside are formed between the air box 6 and the second furnace body 2. A plurality of ventilation openings 7 are formed in the lower end face of the second furnace body 2, a high-temperature air inlet 60 is formed in the air box 6 in a penetrating mode, a low-temperature air inlet 61 is formed in the side edge of the air box 6, and the high-temperature air inlet 60 and the low-temperature air inlet 61 are communicated with the inside of the second furnace body 2 through the ventilation openings 7 formed in the lower end face of the second furnace body 2.
Referring to fig. 1 and 2, when the invention works, impurities in tail gas introduced into a combustion chamber can realize automatic ash removal through the dust collector 3 at the bottom of the first furnace body 1, oil accumulation and ash accumulation are not easy to occur in the first furnace body 1 and the second furnace body 2, and the combustion chamber does not need manual cleaning; and when the equipment is shut down after production, because the combustor 5 is arranged at the bottom end of the second furnace body 2, a large amount of hot gas existing in the combustion chamber mainly flows to the high-level space in the combustion chamber and is discharged from the air outlet 4, so that the heat radiation of the hot gas in the combustion chamber to the components of the combustor 5 is greatly reduced, the combustor 5 is better protected, and the service life of the combustor 5 is prolonged.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (10)
1. The combustion chamber of the asphalt mixture thermal regeneration equipment is characterized in that: the furnace comprises a first furnace body and a second furnace body, wherein the first furnace body is vertically arranged along the longitudinal direction, the second furnace body is connected to the side surface of the first furnace body and is communicated with the inside of the first furnace body, a dust collector is arranged at the bottom of the first furnace body, an air outlet is formed in the top of the first furnace body, the second furnace body is arranged in a downward inclined mode relative to the first furnace body, the second furnace body is arranged at an air outlet position lower than the first furnace body, and a burner is arranged at the bottom end of the second furnace body.
2. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 1, wherein: the dust collector is arranged in the first furnace body and is lower than the connection port of the first furnace body and the second furnace body.
3. A combustion chamber of an asphalt mixture thermal regeneration apparatus according to claim 1 or 2, wherein: the dust collector is of a funnel-shaped structure with the caliber gradually decreasing from top to bottom, and the lower port of the dust collector is opened.
4. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 1, wherein: the air outlet is arranged at the top of the side wall of the first furnace body, and the direction of the air outlet is arranged along the direction perpendicular to the first furnace body.
5. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 1, wherein: and an air box communicated with the inside of the second furnace body is arranged on the lower end surface of the second furnace body.
6. The combustion chamber of the asphalt mixture thermal regeneration apparatus according to claim 5, wherein: a plurality of air channels communicated with the outside are formed between the air box and the second furnace body.
7. A combustion chamber of an asphalt mixture thermal regeneration apparatus according to claim 5 or 6, wherein: the air box is characterized in that a plurality of ventilation openings are formed in the lower end face of the second furnace body, a high-temperature air inlet is formed in the air box in a penetrating mode, a low-temperature air inlet is formed in the side edge of the air box, and the high-temperature air inlet and the low-temperature air inlet are communicated with the inside of the second furnace body through the ventilation openings formed in the lower end face of the second furnace body.
8. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 1, wherein: the first furnace body and the second furnace body comprise a furnace body shell and a high-temperature resistant layer arranged on the inner wall of the furnace body shell.
9. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 8, wherein: the high-temperature resistant layer adopts ceramic fiber refractory cotton or refractory clay.
10. The combustion chamber of the asphalt mixture thermal regeneration apparatus of claim 8, wherein: the furnace body shell of the first furnace body is a cylindrical barrel or a barrel with a regular polygon cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430935.1A CN108411737B (en) | 2018-05-08 | 2018-05-08 | Combustion chamber of asphalt mixture thermal regeneration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430935.1A CN108411737B (en) | 2018-05-08 | 2018-05-08 | Combustion chamber of asphalt mixture thermal regeneration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108411737A CN108411737A (en) | 2018-08-17 |
| CN108411737B true CN108411737B (en) | 2023-11-14 |
Family
ID=63138092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810430935.1A Active CN108411737B (en) | 2018-05-08 | 2018-05-08 | Combustion chamber of asphalt mixture thermal regeneration equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108411737B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272736A (en) * | 1992-03-30 | 1993-10-19 | Osaka Gas Eng Kk | Exhaust gas combustion furnace and method of controlling combustion in exhaust gas combustion furnace |
| CN2336204Y (en) * | 1998-09-23 | 1999-09-01 | 湖南省怀化市环保设备厂 | Dust removing device for refuse incineration |
| CN1644984A (en) * | 2004-12-15 | 2005-07-27 | 中国科学院广州能源研究所 | Jetting-fluidized vortex coal powder burners |
| CN102564126A (en) * | 2012-03-01 | 2012-07-11 | 中国恩菲工程技术有限公司 | Copper-nickel high-sulfonium fluidization roasting furnace |
| CN203431874U (en) * | 2013-07-03 | 2014-02-12 | 机械工业第六设计研究院有限公司 | Burner for industrial furnace |
| CN104197338A (en) * | 2014-09-04 | 2014-12-10 | 山东福源节能服务有限公司 | High-temperature cyclone separation type three-waste co-combustion furnace |
| CN106032902A (en) * | 2015-03-18 | 2016-10-19 | 季栋梁 | Incinerator and incineration 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 |
| CN107084398A (en) * | 2017-05-19 | 2017-08-22 | 天津辰创环境工程科技有限责任公司 | A kind of two-part L-type incinerator for handling a variety of waste gas and waste liquids |
| CN107829348A (en) * | 2017-12-13 | 2018-03-23 | 福建铁拓机械有限公司 | The reverse-flow hot recycling exhaust gas processing device of asphalt and method |
| CN208201576U (en) * | 2018-05-08 | 2018-12-07 | 福建铁拓机械有限公司 | A kind of combustion chamber of asphalt mixture heat regeneration equipment |
-
2018
- 2018-05-08 CN CN201810430935.1A patent/CN108411737B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272736A (en) * | 1992-03-30 | 1993-10-19 | Osaka Gas Eng Kk | Exhaust gas combustion furnace and method of controlling combustion in exhaust gas combustion furnace |
| CN2336204Y (en) * | 1998-09-23 | 1999-09-01 | 湖南省怀化市环保设备厂 | Dust removing device for refuse incineration |
| CN1644984A (en) * | 2004-12-15 | 2005-07-27 | 中国科学院广州能源研究所 | Jetting-fluidized vortex coal powder burners |
| CN102564126A (en) * | 2012-03-01 | 2012-07-11 | 中国恩菲工程技术有限公司 | Copper-nickel high-sulfonium fluidization roasting furnace |
| CN203431874U (en) * | 2013-07-03 | 2014-02-12 | 机械工业第六设计研究院有限公司 | Burner for industrial furnace |
| CN104197338A (en) * | 2014-09-04 | 2014-12-10 | 山东福源节能服务有限公司 | High-temperature cyclone separation type three-waste co-combustion furnace |
| CN106032902A (en) * | 2015-03-18 | 2016-10-19 | 季栋梁 | Incinerator and incineration 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 |
| CN107084398A (en) * | 2017-05-19 | 2017-08-22 | 天津辰创环境工程科技有限责任公司 | A kind of two-part L-type incinerator for handling a variety of waste gas and waste liquids |
| CN107829348A (en) * | 2017-12-13 | 2018-03-23 | 福建铁拓机械有限公司 | The reverse-flow hot recycling exhaust gas processing device of asphalt and method |
| CN208201576U (en) * | 2018-05-08 | 2018-12-07 | 福建铁拓机械有限公司 | A kind of combustion chamber of asphalt mixture heat regeneration equipment |
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| CN108411737A (en) | 2018-08-17 |
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Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Applicant after: Fujian tietuo Machinery Co.,Ltd. Address before: 362000 West Industrial Zone, Luojiang District, Fujian, Quanzhou Applicant before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
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