CN105926415A - Asphalt recycling drying drum and drying method thereof - Google Patents

Asphalt recycling drying drum and drying method thereof Download PDF

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Publication number
CN105926415A
CN105926415A CN201610410270.9A CN201610410270A CN105926415A CN 105926415 A CN105926415 A CN 105926415A CN 201610410270 A CN201610410270 A CN 201610410270A CN 105926415 A CN105926415 A CN 105926415A
Authority
CN
China
Prior art keywords
cylinder
mixing chamber
flue gas
asphalt
temperature flue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610410270.9A
Other languages
Chinese (zh)
Inventor
侯建强
庄志瑞
程建奎
翟资雄
黄文景
李德华
严子利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian South Highway Machinery Co Ltd
Original Assignee
Fujian South Highway Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian South Highway Machinery Co Ltd filed Critical Fujian South Highway Machinery Co Ltd
Priority to CN201610410270.9A priority Critical patent/CN105926415A/en
Publication of CN105926415A publication Critical patent/CN105926415A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, 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
    • E01C19/10Apparatus 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
    • E01C19/1004Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof

Abstract

The invention relates to the field of asphalt thermal recycling equipment, in particular to an asphalt recycling drying drum and a drying method thereof. The asphalt recycling drying drum comprises a drum body, a feed assembly, a discharge assembly, a driving device and a combusting device and also comprises a high-temperature smoke mixing chamber and an intake flue, the high-temperature smoke mixing chamber is connected at one end with the discharge assembly and connected at the other end with a combustor, the intake flue is connected at one end with a feed end of the drum body and communicated at the other end with the high-temperature smoke mixing chamber so that high-temperature smoke in the drum body is introduced into the high-temperature smoke mixing chamber, and hot blast in the high-temperature smoke mixing chamber is in reverse contact with a flow of recycled material. The high-temperature smoke mixing chamber and the drum body are made independent in the drying method of the asphalt recycling drying drum, recycled material is free of flame radiation, and asphalt aging is prevented; tail gas circulation is adopted, recycled high-temperature tail gas is heated indirectly, and emission and environmental pollution are decreased.

Description

A kind of asphalt-regenerating drying roller and furnace drying method thereof
Technical field
The present invention relates to pitch thermal regeneration device field, be specifically related to a kind of asphalt-regenerating drying roller and baking thereof Drying method.
Background technology
Existing, in pitch thermal regeneration device, main use drying drum dries reworked material, due to ageing of asphalt The restriction of the factors such as temperature, system exhaust emissions amount, regeneration adding proportion is the highest by 50% at present, drips in hot recycling Blue or green aging, the thermal efficiency is low, and the blue smoke process problem that dry run produces is the most prominent.
For solving the problems referred to above, applicant has invented a kind of asphalt concrete regeneration equipment (Authorization Notice No. For CN2677757Y), this kind of asphalt concrete regeneration equipment has: cylinder, and is arranged in cylinder end face On burning heater, described burning heater includes burner and precombustion chamber, in burner nozzle Mandrel line and the central axis coaxial of precombustion chamber flame export, is characterized in that: burner nozzle, precombustion chamber fire The central axis of flame ejiction opening is an inclination angle relative to the central axis of cylinder.This kind of asphalt concrete regenerating sets Standby reworked material thermal histories is uneven fully, and combustion product gases directly contacts with reworked material in addition, when causing drying Ageing of asphalt, and the tail gas with heat given off directly sucks by cleaner unit, heat utilization rate is the highest, Therefore it is further improved.
Summary of the invention
For overcoming deficiency of the prior art, the present invention provides a kind of simple in construction, and system thermal efficiency is high, carry The asphalt-regenerating drying roller of high hot recycling production capacity and furnace drying method thereof.
For achieving the above object, the technical solution used in the present invention is as follows: a kind of asphalt-regenerating drying roller, Including cylinder, feeding assembly, discharge component, driving means and burner, described cylinder two ends are respectively For feed end, discharge end, described feeding assembly is connected with feed end, described discharge component and discharge end Connecting, described driving means driving cylinder rotation makes the material in cylinder be moved to discharge end by feed end, It is characterized in that: also include high-temperature flue gas mixing chamber and air inducing flue, described high-temperature flue gas mixing chamber one end with Discharge component connects, the other end is connected with burner, described air inducing flue one end is connected with cylinder feed end, The other end connects with high-temperature flue gas mixing chamber and introduces in high-temperature flue gas mixing chamber by the high-temperature flue gas in cylinder, high Hot blast in temperature flue gas mixing-chamber inversely contacts with regeneration stream.
Optimizing, high-temperature flue gas mixing chamber is arranged independent of cylinder, and high-temperature flue gas mixing chamber does not rotates with cylinder.
Optimizing, cylinder is inclined relative to horizontal to be arranged in height, and high portion is feed end, and lower curtate is discharging End.
Optimizing, feeding assembly is provided with fume emission mouth, one end that described air inducing flue is connected with cylinder and Fume emission mouth connects.
Optimize, also include that dust pelletizing system, described fume emission mouth are provided with dust outlet, this dust pelletizing system Connect with dust outlet.
Optimizing, also include hot blast assembly, described burner arrangement is on hot blast assembly, by hot blast group Part connects high-temperature flue gas mixing chamber.
Optimizing, one end that air inducing flue connects with high-temperature flue gas mixing chamber is connected with hot blast assembly.
A kind of asphalt-regenerating furnace drying method, it is characterised in that use any one in the claims 1-7 Described drying roller, specifically comprises the following steps that
Step 1: reworked material is directly over feeding assembly by belt or other conveying mechanisms and enters in cylinder;
Step 2: driving means drives cylinder to rotate, the reworked material entered in cylinder promotes to going out through cylinder Material mouth direction is moved;
Step 3: the hot blast produced by burner enters in cylinder abundant with reworked material by high-temperature flue gas mixing chamber Contact, thermally equivalent, the hot blast in high-temperature flue gas mixing chamber inversely contacts with regeneration stream;
Step 4, the flue gas produced in cylinder is caused in high-temperature flue gas mixing chamber by air inducing pipeline, with burning again After the hot-air that device produces is sufficiently mixed, it is again introduced in cylinder being dried reworked material;
Step 5, reworked material dry and reach temperature required after, discharge component discharge.
Further, described in step 2 during cylinder rotary furnace drying reworked material, high-temperature flue gas mixing chamber maintains static.
Further, it is impossible to the high-temperature flue gas of reuse enters dust pelletizing system after being brought out cylinder and processes.
From the above-mentioned description of this invention, compared with prior art, the asphalt-regenerating of the present invention dries rolling Cylinder and furnace drying method thereof, be different from the arrangement form that conventional high-temperature flue gas mixing chamber is integrated with cylinder, uses height Temperature flue gas mixing-chamber is independent with cylinder, and reworked material does not has Fire Radiation, the ageing of asphalt situation of its aggregate surface Effectively alleviate;Use circulation of tail gas, reclaim high-temperature tail gas and reworked material is heated indirectly, improve the thermal efficiency, And be dried the blue smoke produced to be burned device and burn, improve further asphalt heat recycling production capacity, reduce discharge and Environmental pollution, reaches to protect the purpose of environment.
Accompanying drawing explanation
Fig. 1 is the asphalt-regenerating drying roller structural representation of the present invention.
Detailed description of the invention
Below by way of detailed description of the invention, the invention will be further described.
With reference to shown in Fig. 1, a kind of asphalt-regenerating drying roller, including a kind of asphalt-regenerating drying roller, bag Include support 1 and the cylinder 2 being arranged on support, feeding assembly 3, discharge component 4, driving means 5, combustion Burn device 6, high-temperature flue gas mixing chamber 7, air inducing flue 8, burner 9, dust pelletizing system 10;
Cylinder 2 is arranged on support 1 in height layout for horizontal plane, and its high portion is feed end 21, Lower curtate is discharge end 22;
Feeding assembly 3 is connected with feed end 21, and feeding assembly 3 is provided with fume emission mouth 31 and dust goes out Mouth 32;
Discharge component 4 is connected with discharge end 22;
Driving means 5 drives cylinder 2 to rotate to make the material in cylinder 2 be moved to discharge end 22 by feed end 21 Dynamic;
High-temperature flue gas mixing chamber 6 one end is connected with discharge component 3, the other end is connected with burner 9, high Temperature flue gas mixing-chamber 6 is arranged independent of cylinder 2, and high-temperature flue gas mixing chamber 6 does not rotates with cylinder 2;
Air inducing flue 7 one end is connected with the fume emission mouth 31 of feeding assembly 3, the other end passes through hot blast assembly 92 connect with high-temperature flue gas mixing chamber 6, are introduced in high-temperature flue gas mixing chamber 6 by the high-temperature flue gas in cylinder 2;
Burner 9, including burner 91 and hot blast assembly 92, hot blast assembly 92 mixes with high-temperature flue gas Room 61 connects, and burner 91 is arranged on hot blast assembly 92 provides hot blast, heat in high-temperature flue gas mixing chamber Wind enters in cylinder through high-temperature flue gas mixing chamber 6 and inversely contacts with regeneration stream,.
Dust pelletizing system 10, is connected with dust outlet 32, processes for will be unable to the dust extraction of reuse.
A kind of asphalt-regenerating furnace drying method, uses above-mentioned drying roller, specifically comprises the following steps that
Step 1: reworked material is directly over feeding assembly 3 by belt or other conveying mechanisms and enters in cylinder 2;
Step 2: driving means is driven 5 and moved cylinder 2 and rotate, enters the reworked material in cylinder 2 under cylinder promotes Fall and move to discharging opening 22 direction;
Step 3: during cylinder 2 rotary furnace drying reworked material, high-temperature flue gas mixing chamber 6 maintains static, burner 91 hot blasts produced are entered in cylinder 2 by high-temperature flue gas mixing chamber 6 and are fully contacted with reworked material, are uniformly subject to Heat, in high-temperature flue gas mixing chamber, the hot blast of 6 inversely contacts with regeneration stream;
Step 4, the flue gas produced in cylinder 2 enters in feeding assembly 3, and part is drawn again by air inducing pipeline 7 To hot blast assembly 92, after being sufficiently mixed with the hot-air of burner 91 generation, it is again introduced in cylinder dry Dry reworked material, part cannot reuse powder removing dust system 10 extraction process;
Step 5, reworked material dry and reach temperature required after, discharge component 3 discharge.
Above are only some detailed description of the invention of the present invention, but the design concept of the present invention be not limited thereto, All changes utilizing this design that the present invention carries out unsubstantiality, all should belong to and invade scope Behavior.

Claims (10)

1. an asphalt-regenerating drying roller, including cylinder, feeding assembly, discharge component, driving means And burner, described cylinder two ends are respectively feed end, discharge end, described feeding assembly and charging End connects, and described discharge component is connected with discharge end, and described driving means drives cylinder to rotate and makes cylinder Interior material is moved to discharge end by feed end, it is characterised in that: also include high-temperature flue gas mixing chamber and air inducing Flue, described high-temperature flue gas mixing chamber one end is connected with discharge component, the other end is connected with burner, described Air inducing flue one end is connected with cylinder feed end, the other end connects the height in cylinder with high-temperature flue gas mixing chamber Temperature flue gas introduces in high-temperature flue gas mixing chamber, and the hot blast in high-temperature flue gas mixing chamber inversely contacts with regeneration stream.
Asphalt-regenerating drying roller the most according to claim 1, it is characterised in that: described high temperature cigarette Gas mixing chamber is arranged independent of cylinder, and high-temperature flue gas mixing chamber does not rotates with cylinder.
Asphalt-regenerating drying roller the most according to claim 1, it is characterised in that: described cylinder phase Arranging in height for horizontal plane, high portion is feed end, and lower curtate is discharge end.
A kind of asphalt-regenerating drying roller the most according to claim 1, it is characterised in that enter described in: Material assembly is provided with fume emission mouth, and one end that described air inducing flue is connected with cylinder is connected with fume emission mouth.
A kind of asphalt-regenerating drying roller the most according to claim 2, it is characterised in that: also include Dust pelletizing system, described fume emission mouth is provided with dust outlet, and this dust pelletizing system connects with dust outlet.
A kind of asphalt-regenerating drying roller the most according to claim 1, it is characterised in that: also include Hot blast assembly, described burner arrangement, on hot blast assembly, connects high-temperature flue gas by hot blast assembly and mixes Room.
A kind of asphalt-regenerating drying roller the most according to claim 6, it is characterised in that draw described in: One end that wind and smoke road connects with high-temperature flue gas mixing chamber is connected with hot blast assembly.
8. an asphalt-regenerating furnace drying method, it is characterised in that use in the claims 1-7 any One described drying roller, specifically comprises the following steps that
Step 1: reworked material is directly over feeding assembly by belt or other conveying mechanisms and enters in cylinder;
Step 2: driving means drives cylinder to rotate, the reworked material entered in cylinder promotes to going out through cylinder Material mouth direction is moved;
Step 3: the hot blast produced by burner enters in cylinder abundant with reworked material by high-temperature flue gas mixing chamber Contact, thermally equivalent, the hot blast in high-temperature flue gas mixing chamber inversely contacts with regeneration stream;
Step 4, the flue gas produced in cylinder is caused in high-temperature flue gas mixing chamber by air inducing pipeline, with burning again After the hot-air that device produces is sufficiently mixed, it is again introduced in cylinder being dried reworked material;
Step 5, reworked material dry and reach temperature required after, discharge component discharge.
Asphalt-regenerating furnace drying method the most according to claim 8, it is characterised in that: described in step 2 During cylinder rotary furnace drying reworked material, high-temperature flue gas mixing chamber maintains static.
Asphalt-regenerating furnace drying method the most according to claim 8, it is characterised in that: described cannot return High-temperature flue gas be brought out cylinder after enter dust pelletizing system process.
CN201610410270.9A 2016-06-12 2016-06-12 Asphalt recycling drying drum and drying method thereof Pending CN105926415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610410270.9A CN105926415A (en) 2016-06-12 2016-06-12 Asphalt recycling drying drum and drying method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610410270.9A CN105926415A (en) 2016-06-12 2016-06-12 Asphalt recycling drying drum and drying method thereof

Publications (1)

Publication Number Publication Date
CN105926415A true CN105926415A (en) 2016-09-07

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Family Applications (1)

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CN201610410270.9A Pending CN105926415A (en) 2016-06-12 2016-06-12 Asphalt recycling drying drum and drying method thereof

Country Status (1)

Country Link
CN (1) CN105926415A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106835902A (en) * 2017-04-17 2017-06-13 福建铁拓机械有限公司 A kind of pitch drying system and furnace drying method
CN107805995A (en) * 2017-09-29 2018-03-16 杭州全合科技有限公司 A kind of firing equipment and method for reclaiming asphalt pavement material
CN109183562A (en) * 2018-10-25 2019-01-11 江苏集萃道路工程技术与装备研究所有限公司 A kind of hot in-plant reclaimed heating system
CN109914195A (en) * 2019-04-01 2019-06-21 福建南方路面机械有限公司 A kind of heat mixes full reclaimed asphalt mixture production technology
CN110280075A (en) * 2019-01-31 2019-09-27 南阳市亚龙筑路机械制造有限公司 A kind of asphalt reclamation material heating equipment and heat energy utilization method
CN110373971A (en) * 2019-08-13 2019-10-25 陕西达刚筑路环保设备有限公司 A kind of heating device adding asphalt-regenerating material
CN111121421A (en) * 2020-01-13 2020-05-08 福建南方路面机械股份有限公司 Double-layer original recycled aggregate integrated drying equipment and method
CN111851206A (en) * 2020-06-12 2020-10-30 福建省铁拓机械股份有限公司 Method capable of simultaneously heating coarse and fine asphalt reclaimed materials

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538325A1 (en) * 1985-10-28 1987-04-30 Linnhoff & Thesenfitz Masch Device for heating and thoroughly mixing materials used for producing road surfacing
CN101168951A (en) * 2007-12-11 2008-04-30 河南陆德筑机股份有限公司 Asphalt mixture regenerating heating stirring roller
CN204959548U (en) * 2015-07-02 2016-01-13 福建南方路面机械有限公司 Pitch regeneration cylinder
CN105297593A (en) * 2015-11-13 2016-02-03 福建南方路面机械有限公司 Continuous single-roller asphalt mixture stirring device and method
CN205676758U (en) * 2016-06-12 2016-11-09 福建南方路面机械有限公司 A kind of asphalt-regenerating drying roller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538325A1 (en) * 1985-10-28 1987-04-30 Linnhoff & Thesenfitz Masch Device for heating and thoroughly mixing materials used for producing road surfacing
CN101168951A (en) * 2007-12-11 2008-04-30 河南陆德筑机股份有限公司 Asphalt mixture regenerating heating stirring roller
CN204959548U (en) * 2015-07-02 2016-01-13 福建南方路面机械有限公司 Pitch regeneration cylinder
CN105297593A (en) * 2015-11-13 2016-02-03 福建南方路面机械有限公司 Continuous single-roller asphalt mixture stirring device and method
CN205676758U (en) * 2016-06-12 2016-11-09 福建南方路面机械有限公司 A kind of asphalt-regenerating drying roller

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106835902A (en) * 2017-04-17 2017-06-13 福建铁拓机械有限公司 A kind of pitch drying system and furnace drying method
CN107805995A (en) * 2017-09-29 2018-03-16 杭州全合科技有限公司 A kind of firing equipment and method for reclaiming asphalt pavement material
CN107805995B (en) * 2017-09-29 2023-03-31 浙江赤道筑养路机械有限公司 Heating equipment and method for recycling asphalt pavement material
CN109183562A (en) * 2018-10-25 2019-01-11 江苏集萃道路工程技术与装备研究所有限公司 A kind of hot in-plant reclaimed heating system
CN110280075A (en) * 2019-01-31 2019-09-27 南阳市亚龙筑路机械制造有限公司 A kind of asphalt reclamation material heating equipment and heat energy utilization method
CN110280075B (en) * 2019-01-31 2023-09-15 河南亚龙智能装备有限公司 Asphalt reclaimed material heating equipment and heat energy utilization method
CN109914195A (en) * 2019-04-01 2019-06-21 福建南方路面机械有限公司 A kind of heat mixes full reclaimed asphalt mixture production technology
CN109914195B (en) * 2019-04-01 2021-04-06 福建南方路面机械股份有限公司 Production process of hot-mix fully-regenerated asphalt mixture
CN110373971A (en) * 2019-08-13 2019-10-25 陕西达刚筑路环保设备有限公司 A kind of heating device adding asphalt-regenerating material
CN110373971B (en) * 2019-08-13 2024-03-15 陕西达刚筑路环保设备有限公司 Heating device capable of adding asphalt reclaimed materials
CN111121421A (en) * 2020-01-13 2020-05-08 福建南方路面机械股份有限公司 Double-layer original recycled aggregate integrated drying equipment and method
CN111851206A (en) * 2020-06-12 2020-10-30 福建省铁拓机械股份有限公司 Method capable of simultaneously heating coarse and fine asphalt reclaimed materials

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Application publication date: 20160907

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