CN109183560B - Tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment - Google Patents
Tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment Download PDFInfo
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- CN109183560B CN109183560B CN201811247555.0A CN201811247555A CN109183560B CN 109183560 B CN109183560 B CN 109183560B CN 201811247555 A CN201811247555 A CN 201811247555A CN 109183560 B CN109183560 B CN 109183560B
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- regeneration
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- 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
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Chemical & Material Sciences (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Road Paving Machines (AREA)
Abstract
The invention provides a tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment, which comprises a regenerator roller and a primary machine roller, wherein a burner for regeneration materials is arranged at the air inlet end of the regenerator roller, a burner for primary materials is arranged at the air inlet end of the primary machine roller, and an air outlet of the primary machine roller is connected with a dust remover through a primary machine pipeline. In addition, still include first regeneration pipeline and second regeneration pipeline, the gas outlet of regenerator cylinder is connected to the one end of first regeneration pipeline and second regeneration pipeline, the other end of first regeneration pipeline is connected the primordial machine cylinder, the dust remover is connected to the other end of second regeneration pipeline, be equipped with first air door on the first regeneration pipeline, be equipped with the second air door on the second regeneration pipeline. According to the invention, different tail gas treatment modes can be adopted according to different amounts of blue smoke contained in the tail gas discharged from the air outlet of the regenerator roller, so that the energy consumption can be reduced, and the interference to the combustion of the primary machine roller is reduced.
Description
Technical Field
The invention relates to recycling equipment for treating waste asphalt crushed aggregates milled from old roads, in particular to a tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment.
Background
The asphalt plant-mixed heat regeneration equipment is characterized in that old asphalt pavement is milled and then conveyed to a mixing plant for centralized crushing, proportioning design is carried out according to quality and specification and model requirements of different structural layers of pavement, the old asphalt crushed aggregates (reclaimed materials) are heated to 160-200 ℃, are mixed into raw asphalt mixture (raw materials) in a proportion of generally not more than 50%, are heated and mixed into new mixture in a mixing tank, and excellent reclaimed asphalt concrete is obtained and paved into the reclaimed asphalt pavement. Before heating and stirring, the reclaimed material and the raw material are continuously dried, heated and kept warm, and hot gas generated after the combustion of the heater provides required heat. Because a large amount of incompletely combusted tail gas with residual temperature is easy to generate during the combustion of the heater, the tail gas can also generate waste gas (blue smoke) again after passing through the regeneration material heating cylinder.
When the blue smoke of the tail gas is little, the tail gas can directly enter the dust remover; when the tail gas contains more blue smoke, the cloth bag is polluted by more blue smoke, and secondary combustion is needed at the moment. However, the tail gas treated by the thermal regeneration equipment in the market is in a single mode, namely, the tail gas containing blue smoke is led into the primary machine roller by the regenerator roller through the induced draft fan for secondary combustion so as to eliminate harmful gas and recycle heat. When the tail gas contains more blue smoke, the secondary combustion is indispensible, but the secondary combustion needs to be carried out under the condition that the tail gas contains less blue smoke, after all, the secondary combustion needs an induced draft fan, the power of the induced draft fan is larger, the energy consumption is higher, and the secondary combustion also produces interference on the primary machine roller combustion.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a tail gas treatment system of asphalt mixture plant-mixed heat regeneration equipment, which can selectively adopt different tail gas treatment modes according to different amounts of blue smoke contained in tail gas discharged from a gas outlet of a regenerator roller, so as to reduce energy consumption.
In order to solve the technical problems, the invention provides an exhaust gas treatment system of asphalt mixture plant-mixing heat regeneration equipment, which comprises a regenerator roller and a primary machine roller, wherein a burner for regeneration materials is arranged at the air inlet end of the regenerator roller, a burner for primary materials is arranged at the air inlet end of the primary machine roller, and an air outlet of the primary machine roller is connected with a dust remover through a primary machine pipeline. In addition, still include first regeneration pipeline and second regeneration pipeline, the gas outlet of regenerator cylinder is connected to the one end of first regeneration pipeline and second regeneration pipeline, the other end of first regeneration pipeline is connected the primordial machine cylinder, the dust remover is connected to the other end of second regeneration pipeline, be equipped with first air door on the first regeneration pipeline, be equipped with the second air door on the second regeneration pipeline.
The tail gas treatment system for the asphalt mixture plant-mixed thermal regeneration equipment comprises a controller, a temperature detection device and a control device, wherein the temperature detection device is used for detecting the temperature of regenerated materials at a discharge hole of a roller of a regenerator, and the controller is used for controlling a first air door and a second air door to act according to the regenerated material temperature detected by the temperature detection device; when the temperature of the regenerated material obtained by the detection of the temperature detection device is higher than a preset temperature, the controller is used for controlling the first air door to be opened, and the second air door to be closed; when the temperature of the regenerated material obtained by the detection of the temperature detection device is lower than or equal to the preset temperature, the controller is used for controlling the first air door to be closed, and the second air door to be opened.
As an improvement of the tail gas treatment system of the plant-mixed thermal regeneration equipment for asphalt mixture of the invention, the preset temperature is any temperature between 110 ℃ and 140 ℃ including 110 ℃ and 140 ℃.
As an improvement of the tail gas treatment system of the plant-mix thermal regeneration device for asphalt mixtures according to the invention, the preset temperature is 120 ℃.
As an improvement on one aspect of the tail gas treatment system of the plant-mixed thermal regeneration equipment for asphalt mixtures, a discharge hole of the regenerator roller is connected with a thermal regeneration bin.
As an improvement of the tail gas treatment system of the plant-mixed thermal regeneration equipment for asphalt mixtures, the temperature detection device is arranged close to the edge of a discharge hole of a regenerator roller and is positioned at the top of the thermal regeneration bin.
As an improvement on one aspect of the tail gas treatment system of the plant-mixed thermal regeneration equipment of the asphalt mixture, the other end of the second regeneration pipeline is connected with a dust remover through a primary machine pipeline.
As an improvement of the tail gas treatment system of the plant-mixed thermal regeneration equipment of the asphalt mixture, in one aspect, a first induced draft fan is arranged on the first regeneration pipeline.
As an improvement on one aspect of the tail gas treatment system of the plant-mixed thermal regeneration equipment of the asphalt mixture, the ash discharge port at the lower part of the dust remover is connected with a dust recovery device.
As an improvement on one aspect of the tail gas treatment system of the asphalt mixture plant-mixed thermal regeneration equipment, the gas outlet of the dust remover is sequentially connected with a second induced draft fan and a chimney; the dust remover is a cloth bag dust remover.
According to the tail gas treatment system of the asphalt mixture plant-mixed thermal regeneration equipment, different tail gas treatment modes can be adopted according to different amounts of blue smoke contained in the tail gas discharged from the air outlet of the regenerator roller, when the blue smoke content in the tail gas is high, the first air door is selectively opened and the second air door is closed, the tail gas discharged from the air outlet of the regenerator roller enters the primary machine roller for secondary combustion, pollution is reduced, when the blue smoke content in the tail gas is low, the first air door is selectively closed and the second air door is selectively opened, the tail gas discharged from the air outlet of the regenerator roller directly enters the dust remover, and compared with the tail gas single treatment mode with the existing structure, the energy consumption caused by secondary combustion of the tail gas introduced into the primary machine roller when the blue smoke content in the tail gas discharged from the air outlet of the regenerator roller is low is reduced, and the interference on the primary machine roller combustion is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic structural diagram of an embodiment of an exhaust gas treatment system of the plant-mix thermal regeneration device for asphalt mixtures.
The correspondence of the reference numerals in the figures is:
1 regenerator cylinder 2 primordial cylinder 3 combustor for regeneration material
4 raw meal is with 6 dust remover of 5 former pipelines of combustor
7 first regeneration pipeline 8 second regeneration pipeline 9 temperature detection device
10 first air door 11 second air door 12 thermal regeneration feed bin
13 first induced draft fan 14 dust recovery unit 15 second induced draft fan
16 chimney
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. Embodiments of the invention and features of the embodiments may be combined with each other without conflict. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
As shown in fig. 1, the invention provides an exhaust gas treatment system of asphalt mixture plant-mixed heat regeneration equipment, which comprises a regenerator roller 1 and a primordial roller 2, wherein a regeneration burner 3 is arranged at the air inlet end of the regenerator roller 1, a primordial burner 4 is arranged at the air inlet end of the primordial roller 2, and the air outlet of the primordial roller 2 is connected with a dust remover 6 through a primordial pipeline 5. The invention is different from the existing structure, and comprises a first regeneration pipeline 7 and a second regeneration pipeline 8, wherein one end of the first regeneration pipeline 7 and one end of the second regeneration pipeline 8 are connected with an air outlet of the regenerator roller 1, the other end of the first regeneration pipeline 7 is connected with the primary machine roller 2, the other end of the second regeneration pipeline 8 is connected with a dust remover 6, a first air door 10 is arranged on the first regeneration pipeline 7, and a second air door 11 is arranged on the second regeneration pipeline 8.
The invention relates to an exhaust gas treatment system of asphalt mixture plant-mixed thermal regeneration equipment, which comprises a primary machine pipeline 5, a first regeneration pipeline 7 and a second regeneration pipeline 8, wherein the first regeneration pipeline 7 is a secondary combustion pipeline, a first air door 10 is arranged on the first regeneration pipeline, the second regeneration pipeline 8 is directly connected to a dust remover 6, a second air door 11 is arranged on the second regeneration pipeline, and the primary machine pipeline 5 is used for removing dust from the exhaust gas of a primary machine roller 2.
According to the tail gas treatment system of the asphalt mixture plant-mixed thermal regeneration equipment, different tail gas treatment modes can be adopted according to different amounts of blue smoke contained in the tail gas discharged from the air outlet of the regenerator roller, when the blue smoke content in the tail gas is high, the first air door is selectively opened and the second air door is closed, the tail gas discharged from the air outlet of the regenerator roller enters the primary machine roller for secondary combustion, pollution is reduced, when the blue smoke content in the tail gas is low, the first air door is selectively closed and the second air door is selectively opened, the tail gas discharged from the air outlet of the regenerator roller directly enters the dust remover, and compared with the tail gas single treatment mode with the existing structure, the energy consumption caused by secondary combustion of the tail gas introduced into the primary machine roller when the blue smoke content in the tail gas discharged from the air outlet of the regenerator roller is low is reduced, and the interference on the primary machine roller combustion is reduced.
The opening and closing of the first damper 10 and the second damper 11 can be controlled manually or automatically, for example, the level of blue smoke content in the exhaust gas can be detected by a probe, and the opening and closing of the first damper 10 and the second damper 11 can be controlled manually according to the detection data of the probe.
The applicant found that in the plant-mix thermal regeneration of asphalt mixtures, the amount of blue smoke generated when tail gas passes through a regeneration material heating cylinder is directly related to the regeneration material temperature of a discharge hole of a regenerator roller 1. When the temperature of the regenerated material at the discharge port of the regenerator roller 1 is low, generally about 110 ℃, the blue smoke of the tail gas is little, and the tail gas can directly enter the dust remover 6. When the temperature of the regenerated material at the discharge port of the regenerator roller 1 is higher, the temperature is generally higher than 140 ℃, and the tail gas contains more blue smoke and pollutes a cloth bag, so that secondary combustion is often adopted in tail gas treatment. Therefore, different tail gas treatment modes can be adopted according to different regeneration material temperatures of the discharge port of the regenerator roller 1.
In order to realize the automatic control of the opening and closing of the first air door 10 and the second air door 11, in a preferred embodiment, the automatic control device comprises a controller and a temperature detection device 9, wherein the temperature detection device 9 is used for detecting the regeneration material temperature of the discharge hole of the regenerator roller 1, and the controller is used for controlling the actions of the first air door 10 and the second air door 11 according to the obtained regeneration material temperature detected by the temperature detection device 9; when the temperature of the regenerated material obtained by the detection of the temperature detection device 9 is higher than a preset temperature, the controller is used for controlling the first air door 10 to be opened and the second air door 11 to be closed; when the temperature of the regenerated material obtained by the detection of the temperature detection device 9 is lower than or equal to the preset temperature, the controller is used for controlling the first air door 10 to be closed, and the second air door 11 to be opened. In the embodiment, different working conditions are automatically selected according to the temperature of the regenerated material at the discharge port of the regenerator roller 1, so that the energy consumption is reduced and the pollution is reduced. Specifically, when the temperature of the reclaimed materials detected by the temperature detection device 9 is higher than a preset temperature, the first air door 10 is opened, the second air door 11 is closed, tail gas enters the primary machine roller 2 for secondary combustion, pollution is reduced, when the temperature of the reclaimed materials detected by the temperature detection device 9 is lower than or equal to the preset temperature, the first air door 10 is closed, the second air door 11 is opened, the tail gas directly enters the dust remover 6, energy consumption is reduced, and the interference to the combustion of the primary machine roller 2 is reduced.
In the above embodiment, the preset temperature is any temperature between 110 ℃ and 140 ℃ including 110 ℃, 140 ℃. Preferably, the preset temperature is 120 ℃.
In a specific arrangement of the temperature detection device 9, the discharge port of the regenerator drum 1 is connected with a thermal regeneration silo 12, and the temperature detection device 9 is arranged close to the edge of the discharge port of the regenerator drum 1 and is positioned at the top of the thermal regeneration silo 12.
In order to reduce the use of materials, the other end of the second regeneration pipeline 8 is connected with the dust remover 6 through the primary engine pipeline 5, so that the second regeneration pipeline 8 and the primary engine pipeline 5 can share one section of pipeline, and the use of pipes is reduced.
The first regeneration pipeline 7 is provided with a first induced draft fan 13, the temperature detection device 9, the first induced draft fan 13, the first air door 10 and the second air door 11 are respectively and electrically connected with a controller, the controller controls the first induced draft fan 13, the first air door 10 and the second air door 11 to act according to the temperature of the regenerated material detected by the temperature detection device 9, when the temperature of the regenerated material detected by the temperature detection device 9 is higher than a preset temperature, the first air door 10 and the first induced draft fan 13 are opened, the second air door 11 is closed, and when the temperature of the regenerated material detected by the temperature detection device 9 is lower than or equal to the preset temperature, the first air door 10 and the first induced draft fan 13 are closed, and the second air door 11 is opened.
In a preferred embodiment, the dust recycling device 14 is connected to the dust outlet at the lower part of the dust remover 6, and the air outlet of the dust remover 6 is sequentially connected with the second induced draft fan 15 and the chimney 16. The tail gas in the regenerator roller 1 and the primordial machine roller 2 enters the dust remover 6 for dust removal, the produced mineral powder is recycled through the dust recycling device 14, and the tail gas is discharged from the second induced draft fan 15 and the chimney 16 behind the air outlet of the dust remover 6, so that the resources are further saved, the production cost is reduced, and the environmental pollution caused by dust is reduced. Specifically, the dust remover 6 is a cloth bag dust remover 6.
In summary, the tail gas treatment system of the asphalt mixture plant-mixed thermal regeneration equipment can adopt different tail gas treatment modes according to different amounts of blue smoke contained in the tail gas discharged from the air outlet of the regenerator roller, when the blue smoke content in the tail gas is higher, the first air door is selectively opened and the second air door is closed, the tail gas discharged from the air outlet of the regenerator roller enters the primary machine roller to carry out secondary combustion, pollution is reduced, when the blue smoke content in the tail gas is lower, the first air door is selectively closed and the second air door is selectively opened, the tail gas discharged from the air outlet of the regenerator roller directly enters the dust remover, and compared with the tail gas single treatment mode of the existing structure, the energy consumption caused by secondary combustion of the tail gas introduced into the primary machine roller when the blue smoke content in the tail gas discharged from the air outlet of the regenerator roller is lower is reduced, and the interference on the primary machine roller combustion is reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides an asphalt mixture plant mix thermal regeneration equipment's tail gas processing system, includes regenerator cylinder (1) and primordial machine cylinder (2), and the air inlet end of regenerator cylinder (1) is provided with combustor (3) for the regeneration material, and the air inlet end of primordial machine cylinder (2) is provided with combustor (4) for the primordial material, dust remover (6) are connected through primordial machine pipeline (5) to the gas outlet of primordial machine cylinder (2), its characterized in that: the device comprises a first regeneration pipeline (7) and a second regeneration pipeline (8), wherein one ends of the first regeneration pipeline (7) and the second regeneration pipeline (8) are connected with an air outlet of a regenerator roller (1), the other end of the first regeneration pipeline (7) is connected with a primary roller (2), the other end of the second regeneration pipeline (8) is connected with a dust remover (6), a first air door (10) is arranged on the first regeneration pipeline (7), and a second air door (11) is arranged on the second regeneration pipeline (8);
the exhaust gas treatment system further comprises a controller, a temperature detection device (9) and a regeneration material temperature detection device (9), wherein the temperature detection device (9) is used for detecting the temperature of regeneration materials at a discharge hole of the regenerator roller (1), and the controller is used for controlling a first air door (10) and a second air door (11) to act according to the regeneration material temperature detected by the temperature detection device (9); when the temperature detection device (9) detects that the obtained regenerated material temperature is higher than a preset temperature, the controller is used for controlling the first air door (10) to be opened, and the second air door (11) to be closed; when the temperature detection device (9) detects that the obtained regenerated material temperature is lower than or equal to a preset temperature, the controller is used for controlling the first air door (10) to be closed, and the second air door (11) to be opened.
2. The tail gas treatment system of an asphalt mixture plant-mix thermal regeneration apparatus according to claim 1, wherein: the preset temperature is any temperature between 110 ℃ and 140 ℃ including 110 ℃ and 140 ℃.
3. The tail gas treatment system of an asphalt mixture plant-mix thermal regeneration apparatus according to claim 2, wherein: the preset temperature is 120 ℃.
4. A tail gas treatment system of an asphalt mixture plant-mix thermal regeneration plant according to any one of claims 1-3, wherein: and a discharge hole of the regenerator roller (1) is connected with a thermal regeneration bin (12).
5. The tail gas treatment system of the asphalt mixture plant-mix thermal regeneration equipment according to claim 4, wherein: the temperature detection device (9) is arranged close to the edge of the discharge hole of the regenerator roller (1) and is positioned at the top of the thermal regeneration bin (12).
6. A tail gas treatment system of an asphalt mixture plant-mix thermal regeneration plant according to any one of claims 1-3, wherein: the other end of the second regeneration pipeline (8) is connected with the dust remover (6) through a primary machine pipeline (5).
7. A tail gas treatment system of an asphalt mixture plant-mix thermal regeneration plant according to any one of claims 1-3, wherein: a first induced draft fan (13) is arranged on the first regeneration pipeline (7).
8. A tail gas treatment system of an asphalt mixture plant-mix thermal regeneration plant according to any one of claims 1-3, wherein: the dust discharge port at the lower part of the dust remover (6) is connected with a dust recovery device (14).
9. A tail gas treatment system of an asphalt mixture plant-mix thermal regeneration plant according to any one of claims 1-3, wherein: the air outlet of the dust remover (6) is sequentially connected with a second induced draft fan (15) and a chimney (16); the dust remover (6) is a cloth bag dust remover (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821275013 | 2018-08-08 | ||
| CN201821275013X | 2018-08-08 |
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| Publication Number | Publication Date |
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| CN109183560A CN109183560A (en) | 2019-01-11 |
| CN109183560B true CN109183560B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821728780.1U Withdrawn - After Issue CN209307817U (en) | 2018-08-08 | 2018-10-25 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
| CN201811247555.0A Active CN109183560B (en) | 2018-08-08 | 2018-10-25 | Tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821728780.1U Withdrawn - After Issue CN209307817U (en) | 2018-08-08 | 2018-10-25 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
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| CN (2) | CN209307817U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209307817U (en) * | 2018-08-08 | 2019-08-27 | 三一汽车制造有限公司 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
| CN109621570A (en) * | 2019-01-24 | 2019-04-16 | 福建铁拓机械有限公司 | A kind of asphalt mixture heat regeneration exhaust gas processing device and 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 |
| CN109868707A (en) * | 2019-04-08 | 2019-06-11 | 福建南方路面机械有限公司 | A kind of original recycled aggregate drying equipment integral system and method |
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| 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 |
| CN106012762A (en) * | 2016-06-30 | 2016-10-12 | 长治县玉通机械设备有限公司 | Asphalt pavement material regeneration method based on vertical heating and tail gas recovery for supporting combustion and regeneration device |
| CN206707856U (en) * | 2017-05-12 | 2017-12-05 | 泰州锋陵特种电站装备有限公司 | A kind of waste gas utilization device and smoke evacuation system for gas turbine |
| CN209307817U (en) * | 2018-08-08 | 2019-08-27 | 三一汽车制造有限公司 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209307817U (en) | 2019-08-27 |
| CN109183560A (en) | 2019-01-11 |
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