CN209490591U - A kind of asphalt mixture heat regeneration exhaust gas processing device - Google Patents
A kind of asphalt mixture heat regeneration exhaust gas processing device Download PDFInfo
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- CN209490591U CN209490591U CN201920122219.7U CN201920122219U CN209490591U CN 209490591 U CN209490591 U CN 209490591U CN 201920122219 U CN201920122219 U CN 201920122219U CN 209490591 U CN209490591 U CN 209490591U
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- regeneration
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- heat exchanger
- drying
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Abstract
A kind of asphalt mixture heat regeneration exhaust gas processing device, including flue dust adsorbent equipment and flue gas incinerator, flue dust adsorbent equipment and flue gas incinerator are connected in parallel on the road of the offgas duct between regeneration and drying system and primary drying system respectively, flue gas incinerator includes burning burner hearth, tail gas burner, heat exchanger one and heat exchanger two, tail gas burner, which is mounted on, to be burned on burner hearth, heat exchanger one and heat exchanger two are respectively corresponded to be mounted on and be burned on burner hearth, and the import of heat exchanger one is connect with the outlet of flue dust adsorbent equipment.The processing method of the regeneration tail gas processing unit includes: the primary bag filter → discharge of (1) regeneration tail gas → primary roller second-time burning；(2) regeneration tail gas → flue dust adsorbent equipment → flue gas incinerator → exhaust emissions.The utility model can not only make to regenerate equipment single-unit operation, realize full regeneration function, and improve the utilization rate that equipment uses, reduce energy loss in the case where the original function of retaining device is constant.
Description
Technical field
The utility model relates to pitch tail gas disposal technique field, more specifically refer to a kind of asphalt mixture heat again
Raw exhaust gas processing device.
Background technique
As the highway construction of recent decades flourishes, now every year because of the overhauling of highway, waste and old drip caused by overhaul
The quantity of green mixture is growing day by day, if these old asphalt mixtures cannot be reasonably utilized will be brought to society it is huge
The big wasting of resources and environmental pollution, the regeneration of waste asphalt mixture have become a global heat subject.
Regenerative Technique of Asphalt Mixture is a kind of technology for being recycled waste asphalt mixture, hot in-place recycling
It is at present with a kind of relatively broad one of regeneration technology.It is a kind of by way of most in existing regeneration techniques operational mode
It is that waste asphalt mixture is added to in the primary material such as virgin material, new pitch stirring together by a certain percentage to form finished product material, this
Kind mode is mainly by a set of Raw device and a set of generating apparatus again, and two sets of equipment share a set of exhaust treatment system, so working as
When need to add waste asphalt mixture, two sets of equipment need to be switched on use simultaneously.
It include the Various Complexes ingredients such as dust, bitumen flue gas in the tail gas generated after being heated due to waste asphalt mixture,
So regeneration tail gas must be effectively addressed, otherwise, serious pollution will be will cause to environment.In order to will be in regeneration tail gas
Dust and bitumen flue gas processing are clean, and the regeneration tail gas processing mode of this regeneration plus primary unit equipment is to send regeneration tail gas
After entering primary drying roller second-time burning, then pass through primary bag filter for dust-filtering, is finally reached qualified discharge mark
It is quasi-.
However, requiring also constantly to mention for waste asphalt mixture adding proportion as people increasingly pay attention to environmental protection
Height, or even need to reach complete regenerated requirement, i.e., it is reached by all adding waste asphalt mixture, a certain proportion of regenerative agent etc.
To the technique requirement for forming qualified finished product material.Therefore, existing this primary plus regenerative combination process form will be unable to meet complete
The use of regeneration function.
Summary of the invention
The utility model provides a kind of asphalt mixture heat regeneration exhaust gas processing device and method, and main purpose is gram
It takes existing asphalt mixture heat regeneration exhaust gas processing device and is unable to satisfy the disadvantages of full regeneration function uses.
The utility model adopts the following technical solution:
A kind of asphalt mixture heat regeneration exhaust gas processing device, including flue dust adsorbent equipment and flue gas incinerator, it is described
The front end of flue dust adsorbent equipment is connect by tail gas pipeline one with the exhaust emissions end of regeneration and drying system, the flue dust absorption dress
The end set connects a blower by a Fan pipeline, and the exhaust emissions end of the regeneration and drying system also passes through tail gas pipeline
Two connect with the Fan pipeline, and the tail gas pipeline one and the tail gas pipeline two are respectively corresponded equipped with air door one and air door
Two, the air outlet of the blower is burned with primary drying system and the flue gas respectively by tail gas pipeline three and tail gas pipeline four
Device connection, the tail gas pipeline three and the tail gas pipeline four are respectively corresponded equipped with air door three and air door four, and the flue gas is burnt
Burning device includes burning burner hearth, tail gas burner, heat exchanger one and heat exchanger two, and the tail gas burner is mounted on described
It burns on burner hearth, the burning burner hearth is equipped with regeneration tail gas import and air intlet, and the heat exchanger one and the heat are handed over
Parallel operation two, which respectively corresponds, is mounted on the regeneration tail gas import and the air intlet, the import of the heat exchanger one with it is described
The outlet of flue dust adsorbent equipment connects, and the burning burner hearth is additionally provided at least one exhaust port.
Further, the burning burner hearth is equipped with a flame chamber, which is equipped with a heat exchanger
Three.
Further, the burning burner hearth is equipped with exhaust port one and exhaust port two, the exhaust port one
End connects exhaust emissions chimney one, and the exhaust port two connects a tail gas recycle pipeline, on the tail gas recycle pipeline
It is connected with a plurality of laterals side by side.
Further, the lateral includes four, and one of lateral is connected to the tail gas burner,
Excess-three lateral is connected respectively the primary burner of regenerative combustion device to regeneration and drying system, primary drying system
Or other burners.
Further, the regeneration and drying system includes regenerative drying drum, regeneration feed cylinder, regeneration and drying burner hearth, again
Raw burner and regenerated gas chamber, the opposite two sides of the regeneration feed cylinder respectively with the regenerative drying drum and it is described again
Raw baking furnace connection, the other side of the regenerative drying drum are equipped with the regenerated gas chamber, the regeneration and drying burner hearth
The other side is equipped with the regenerative combustion device, and the outlet of the regenerated gas chamber is connected to the regenerative combustion by an air return pipeline
The corresponding regeneration and drying burner hearth of device.
Further, the primary drying system include primary drying roller, it is primary burner, primary feeding cylinder, primary
The front end of bag filter and exhaust emissions chimney two, the primary drying roller is equipped with the primary burner, primary baking
The rear end of dry drum is equipped with the primary feeding cylinder, and the top of the primary feeding cylinder is equipped with the primary bag filter, institute
The outlet for stating primary bag filter connects the exhaust emissions chimney two.
A kind of asphalt mixture heat regeneration exhaust gas treating method is filled using above-mentioned asphalt mixture heat regeneration vent gas treatment
It sets, comprising the following steps:
(1), when regeneration and drying system isolated operation, the regeneration tail gas of regeneration and drying system discharge first passes through flue dust absorption
After device adsorbs the dust particles contained in regeneration tail gas and partial bitumen flue gas filtering, then will by flue gas incinerator
Remaining pitch smoke incinerating processing, last exhaust emissions or recycling in tail gas；
(2), when regeneration and drying system and primary drying system are run simultaneously, the regeneration tail gas of regeneration and drying system discharge
It is directly entered in the primary drying roller of primary drying system and carries out second-time burning, then pass through primary bag filter for dust
Grain filtering, last qualified discharge.
Further, the regeneration tail gas in above-mentioned steps (1) after flue dust adsorbent equipment filtering absorption passes through heat exchanger one
Burning is sufficiently mixed with the thermal-flame of tail gas burner again after promoting temperature.
Further, the tail gas in above-mentioned steps (1) after the burning of flue gas incinerator is back to tail by each lateral
In air burner, regenerative combustion device, primary burner or other burners.
From the above description of the utility model, it can be seen, compared to the prior art, the utility model has the advantages that
1, the utility model hot recycling exhaust gas processing device, including flue dust adsorbent equipment and flue gas incinerator, flue dust are inhaled
Adsorption device and flue gas incinerator are connected in parallel on the road of the offgas duct between regeneration and drying system and primary drying system, flue dust respectively
Adsorbent equipment is the dust particles that will contain in regeneration tail gas and the filtering absorption of partial bitumen flue gas, flue gas incinerator be by
Remaining bitumen flue gas is finally reached discharge standard by burning disposal in tail gas.The regeneration tail gas processing unit, sets in reservation
In the case that standby original function is constant, it can not only make to regenerate equipment single-unit operation, realize full regeneration function, and improve and set
The standby utilization rate used, reduces energy loss.
2, making full use of by the amount of residual heat of heat exchanger a pair of incineration flue gas generation, can effectively reduce the energy
Waste, and more preferably fume treatment effect can be formed；The hot gas generated when normal temperature air and burning is in heat exchanger two
It carries out sufficient heat exchange and obtains high temperature air, using high temperature air combustion technology, not only save energy consumption rate, but also
Reduce CO2It is discharged with NOx.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model flue gas incinerator.
Fig. 3 is the process flow chart of the utility model.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.For comprehensive understanding the utility model, below
Many details are described to, but to those skilled in the art, can also realize the utility model without these details.For public affairs
Component, method and the process known, are not described in detail below.
A kind of asphalt mixture heat regeneration exhaust gas processing device, referring to Fig.1, including flue dust adsorbent equipment 10 and flue gas burn
Device 20.Wherein, the front end of flue dust adsorbent equipment 10 passes through the exhaust emissions end of tail gas pipeline 1 and regeneration and drying system 30
The end of connection, the flue dust adsorbent equipment 10 connects a blower 13 by a Fan pipeline 12.The tail of regeneration and drying system 30
Gas discharge end also passes through tail gas pipeline 2 14 and connect with Fan pipeline 12, the tail gas pipeline 1 and the tail gas pipeline 2 14
It respectively corresponds and is equipped with air door 1 and air door 2 141.The air outlet of above-mentioned blower 13 passes through tail gas pipeline 3 15 and tail gas pipeline
4 16 connect with primary drying system 40 and the flue gas incinerator 20 respectively, the tail gas pipeline 3 15 and the offgas duct
Road 4 16 is respectively corresponded equipped with air door 3 151 and air door 4 161.
Referring to Figures 1 and 2, above-mentioned flue gas incinerator 20 includes burning burner hearth 21, tail gas burner 22, heat exchanger one
23 and heat exchanger 2 24, the tail gas burner 22 be mounted on the burning burner hearth 21, the burning burner hearth 21 is equipped with
Regeneration tail gas import 211 and air intlet 212, the heat exchanger 1 and the heat exchanger 2 24 are respectively corresponded and are mounted on
The regeneration tail gas import 211 and the air intlet 212, the import of the heat exchanger 1 and the flue dust adsorbent equipment
10 outlet connection.The burning burner hearth 21 is equipped with a flame chamber 210, and a heat is equipped with outside the flame chamber 210 and is handed over
Parallel operation 3 25.
Referring to Fig. 2, the burning burner hearth 21 is equipped with exhaust port 1 and exhaust port 2 214, the tail gas row
One 213 end of mouth connection exhaust emissions chimney 1 is put, the exhaust port 2 214 connects a tail gas recycle pipeline 27,
A plurality of laterals 271 are connected on the tail gas recycle pipeline 27 side by side.Lateral 271 includes four, one of them point
Branch pipe(tube) is connected to tail gas burner 22, and excess-three lateral is connected respectively to the regenerative combustion of regeneration and drying system
The primary burner or other burners of device, primary drying system.
Referring to Fig.1, the regeneration and drying system 30 includes regenerative drying drum 31, regeneration feed cylinder 32, regeneration and drying furnace
Thorax 33, regenerative combustion device 34 and regenerated gas chamber 35, the opposite two sides of the regeneration feed cylinder 32 are dried with the regeneration respectively
Dry drum 31 and the regeneration and drying burner hearth 33 connection, the other side of the regenerative drying drum 31 are equipped with the regenerated gas chamber
35, the other side of the regeneration and drying burner hearth 31 is equipped with the regenerative combustion device 34, and the outlet of the regenerated gas chamber 35 passes through
One air return pipeline 36 is connected to the corresponding regeneration and drying burner hearth 33 of the regenerative combustion device 34.
Referring to Fig.1, the primary drying system 40 includes primary drying roller 41, primary burner 42, primary feeding cylinder
43, primary bag filter 44 and exhaust emissions chimney 2 45, the front end of the primary drying roller 41 are equipped with described primary
The rear end of burner 42, primary drying roller 41 is equipped with the primary feeding cylinder 43, and the top of the primary feeding cylinder 43 is equipped with
The outlet of the primary bag filter 44, the primary bag filter 44 connects the exhaust emissions chimney 2 45.
The regeneration tail gas processing method of asphalt mixture heat regeneration exhaust gas processing device, referring to Fig. 3, comprising the following steps:
(1), when regeneration and drying system isolated operation, the regeneration tail gas of regeneration and drying system discharge first passes through flue dust absorption
After device adsorbs the dust particles contained in regeneration tail gas and partial bitumen flue gas filtering, then will by flue gas incinerator
Remaining pitch smoke incinerating processing, last exhaust emissions or recycling in tail gas；
(2), when regeneration and drying system and primary drying system are run simultaneously, the regeneration tail gas of regeneration and drying system discharge
It is directly entered in the primary drying roller of primary drying system and carries out second-time burning, then pass through primary bag filter for dust
Grain filtering, last qualified discharge.
After regeneration tail gas in above-mentioned steps (1) after flue dust adsorbent equipment filtering absorption promotes temperature by heat exchanger one
Burning is sufficiently mixed with the thermal-flame of tail gas burner again.
Tail gas in above-mentioned steps (1) after the burning of flue gas incinerator can be back to exhaust combustion by each lateral
In device, regenerative combustion device, primary burner or other burners.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (6)
1. a kind of asphalt mixture heat regeneration exhaust gas processing device, it is characterised in that: burned including flue dust adsorbent equipment and flue gas
The front end of device, the flue dust adsorbent equipment is connect by tail gas pipeline one with the exhaust emissions end of regeneration and drying system, described
The end of flue dust adsorbent equipment connects a blower by a Fan pipeline, and the exhaust emissions end of the regeneration and drying system is also logical
It crosses tail gas pipeline two to connect with the Fan pipeline, the tail gas pipeline one and the tail gas pipeline two are respectively corresponded equipped with air door
One and air door two, the air outlet of the blower by tail gas pipeline three and tail gas pipeline four respectively with primary drying system and described
The connection of flue gas incinerator, the tail gas pipeline three and the tail gas pipeline four are respectively corresponded equipped with air door three and air door four, institute
Stating flue gas incinerator includes burning burner hearth, tail gas burner, heat exchanger one and heat exchanger two, the tail gas burner peace
On the burning burner hearth, the burning burner hearth is equipped with regeneration tail gas import and air intlet, one He of heat exchanger
The heat exchanger two, which respectively corresponds, is mounted on the regeneration tail gas import and the air intlet, the heat exchanger one into
Mouth is connect with the outlet of the flue dust adsorbent equipment, and the burning burner hearth is additionally provided at least one exhaust port.
2. a kind of asphalt mixture heat regeneration exhaust gas processing device as described in claim 1, it is characterised in that: the incinerator
Thorax is equipped with a flame chamber, which is equipped with a heat exchanger three.
3. a kind of asphalt mixture heat regeneration exhaust gas processing device as described in claim 1, it is characterised in that: the incinerator
Thorax is equipped with exhaust port one and exhaust port two, and one end of exhaust port connects exhaust emissions chimney one, described
Exhaust port two connects a tail gas recycle pipeline, is connected with a plurality of laterals side by side on the tail gas recycle pipeline.
4. a kind of asphalt mixture heat regeneration exhaust gas processing device as claimed in claim 3, it is characterised in that: the branched pipe
Road includes four, and one of lateral is connected to the tail gas burner, and excess-three lateral is connected respectively
To the regenerative combustion device of regeneration and drying system, the primary burner or other burners of primary drying system.
5. a kind of asphalt mixture heat regeneration exhaust gas processing device as described in claim 1, it is characterised in that: the regeneration is dried
Dry systems include regenerative drying drum, regeneration feed cylinder, regeneration and drying burner hearth, regenerative combustion device and regenerated gas chamber, described
The opposite two sides of regeneration feed cylinder are connect with the regenerative drying drum and the regeneration and drying burner hearth respectively, the regeneration and drying
The other side of roller is equipped with the regenerated gas chamber, and the other side of the regeneration and drying burner hearth is equipped with the regenerative combustion device, institute
The outlet for stating regenerated gas chamber is connected to the corresponding regeneration and drying burner hearth of the regenerative combustion device by an air return pipeline.
6. a kind of asphalt mixture heat regeneration exhaust gas processing device as described in claim 1, it is characterised in that: the primary baking
Dry systems include primary drying roller, primary burner, primary feeding cylinder, primary bag filter and exhaust emissions chimney
Two, the front end of the primary drying roller is equipped with the primary burner, the rear end of primary drying roller be equipped with it is described it is primary into
Barrel, the top of the primary feeding cylinder are equipped with the primary bag filter, and the outlet of the primary bag filter connects
The exhaust emissions chimney two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122219.7U CN209490591U (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt mixture heat regeneration exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122219.7U CN209490591U (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt mixture heat regeneration exhaust gas processing device |
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| Publication Number | Publication Date |
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| CN209490591U true CN209490591U (en) | 2019-10-15 |
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| CN201920122219.7U Active CN209490591U (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt mixture heat regeneration exhaust gas processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2019
- 2019-01-24 CN CN201920122219.7U patent/CN209490591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| CP03 | Change of name, title or address |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co., Ltd Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |