CN107434917A - A kind of Biological asphalt and preparation method thereof - Google Patents
A kind of Biological asphalt and preparation method thereof Download PDFInfo
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- CN107434917A CN107434917A CN201610390836.6A CN201610390836A CN107434917A CN 107434917 A CN107434917 A CN 107434917A CN 201610390836 A CN201610390836 A CN 201610390836A CN 107434917 A CN107434917 A CN 107434917A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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Abstract
The present invention relates to a kind of Biological asphalt and preparation method thereof.Methods described comprises the following steps：1) biomass is crushed；2) it is bio oil by gained biomass pyrolytic；3) by gained bio oil air-distillation, until gas phase temperature reaches 100 DEG C, in collecting biological oil>100 DEG C of heavy constituent；4) aromatic naphtha is mixed after the bio oil heavy constituent being collected into being heated into certain temperature；5) maintenance system temperature, continue to add polymer rubber class material thereto, high speed shear, obtain Biological asphalt.By the way that biomass resource to be converted into the bio oil suitable for preparing Biological asphalt, and obtained bio oil is combined with butadiene-styrene rubber/shoddy and utilizes the more excellent new recyclable organism-based road asphalt material of processability.
Description
Technical field
The present invention relates to a kind of Biological asphalt and preparation method thereof, belongs to the renewable road of green
Asphalt material technical field.
Background technology
At present, biomass resource is to pass through in the main Land use systems of road asphalt Material Field
Separation means isolate the heavy constituent in biomass pyrolysis oil, are then used alone as pitch
Material is used in mixed way with asphalt, existing for the pitch that at present prepared by biomass resource
Subject matter is fragility drip that is larger, thus being prepared using biomass as raw material under its low temperature condition
Blue or green cryogenic property is poor.
Butadiene-styrene rubber is the general purpose rubber product for realizing industrialized production earliest, shoddy
Raw material is annual caused a large amount of waste tire, scrap rubber footwear and scrap rubber industrial products, to useless
This huge waste material of rubber powder, which carries out cycling and reutilization, has great environment and economy
Meaning.
The content of the invention
It is an object of the invention to provide a kind of Biological asphalt and preparation method thereof.By by biology
Matter resource conversion be suitable for prepare Biological asphalt bio oil, and by obtained bio oil with
Butadiene-styrene rubber/shoddy joint utilizes the more excellent new recyclable organism-based road of processability
Asphalt material.
In order to reach object above, the present invention adopts the following technical scheme that：
A kind of preparation method of Biological asphalt, comprises the following steps：
1) biomass is crushed；
2) it is bio oil by gained biomass pyrolytic；
3) by gained bio oil air-distillation, until gas phase temperature reaches 100 DEG C, life is collected
In thing oil>100 DEG C of heavy constituent；
4) aromatic naphtha is mixed after the bio oil heavy constituent being collected into being heated into certain temperature；
5) maintenance system temperature, continue to add polymer rubber class material thereto, cut at a high speed
Cut, obtain Biological asphalt.
In preparation method of the present invention, in step 1), the biomass may be selected from pine
Wood chip and/willow wood chip of living；The biomass is first crushed to the mesh of 20 mesh~60, standby.
In preparation method of the present invention, in step 2), the pyrolytic process temperature parameter
For 400~700 DEG C, preferably 500~550 DEG C；The residence time is 2~5s in the pyrolytic process,
It is preferred that 4~5s；Pyrolysis protection gas is nitrogen in the pyrolytic process.The pyrolytic reaction can be
Carried out in fluidized bed pyrolysis reactor.
In preparation method of the present invention, in step 4), the biomass pyrolytic that will be collected into
Oily heavy constituent is heated to 120 DEG C~130 DEG C, mixes the aromatic naphtha of certain mass ratio；
In preparation method of the present invention, in step 4), the mixed ratio of the aromatic naphtha
Attach most importance to the 1~5% of constituent mass, preferably 1~2%.
In preparation method of the present invention, in step 5), need slowly and equably to mix height
Molecule rubber-like material, at 120 DEG C~130 DEG C, with 1500~3000r/min (preferably
2000r/min) 60~70min of high speed shear, obtain Biological asphalt.
In preparation method of the present invention, in step 5), the polymer rubber class material
For the butadiene-styrene rubber and/or shoddy that average grain diameter is 80~100 mesh, its mixed ratio is attached most importance to
The 10%~20% of constituent mass.
As the preferred embodiment of the present invention, the preparation method of the Biological asphalt, including
Following steps：
1) biomass powder is broken to the mesh of 20 mesh~60, it is standby；
2) it is bio oil by gained biomass pyrolytic；
The pyrolytic process temperature parameter is 400~700 DEG C, preferably 500~550 DEG C；The heat
It is 2s~5s, preferably 4~5s to solve the residence time in technique；Pyrolysis protection gas in the pyrolytic process
For nitrogen.The pyrolytic reaction can be carried out in fluidized bed pyrolysis reactor.
3) by gained bio oil air-distillation, until gas phase temperature reaches 100 DEG C, life is collected
In thing oil>100 DEG C of heavy constituent；
4) the bio oil heavy constituent being collected into is heated to 120 DEG C~130 DEG C, mixes aromatic naphtha；
The mixed ratio of the aromatic naphtha is attached most importance to the 1~5% of constituent mass, preferably 1~2%；
5) maintenance system temperature, need slowly and equably to mix polymer rubber class material,
120 DEG C~130 DEG C, with 1500~3000r/min (preferably 2000r/min) high speed shear
60~70min, obtain Biological asphalt；
The polymer rubber class material for the mesh of average grain diameter 80~100 butadiene-styrene rubber and/or
Shoddy, its mixed ratio attach most importance to the 10%~20% of constituent mass.
The present invention also provides the Biological asphalt as made from the above method.
Beneficial effects of the present invention are as follows：
Reproducible biomass resource is combined into utilization with butadiene-styrene rubber, shoddy, and mixed few
The new bio base road asphalt material compared with dominance energy is prepared as solubilizer in the aromatic naphtha of amount
Material has significant advantage in high temperature performance, can not only alleviate the tight of petroleum resources exhaustion increasingly
Open situation, moreover it is possible to open up biomass resource in the new application approach in pavement material field, and be
The processing of this huge trade waste of junked tire is made contributions with utilizing；In addition, this hair
Bright gained new bio base road asphalt material can largely reduce road asphalt material into
This, and the performance of the Biological asphalt individually prepared using biomass as raw material is lifted to a certain degree.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Raw materials used present embodiment is commercially available prod.
A kind of preparation method of 1 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, comprises the following steps：
1) pine is crushed to the mesh of 20 mesh~60, obtains particles of pine；
2) in fluidized bed pyrolysis reactor, nitrogen is passed through as fluidized gas, 500 DEG C of reaction temperature
Under degree, 3kg particles of pine enters fluidized-bed reactor with 500g/h charging rate from feed bin,
4s pyrolysis is stopped in a fluidized bed reactor, obtains bio oil；
3) gained pine pyrolysis bio-oils distill to 100 DEG C in atmospheric conditions, collect>100℃
Heavy constituent；
4) by gained pine bio oil>100 DEG C of components are heated to 120 DEG C~130 DEG C, add it
The aromatic naphtha of quality 2%；
5) difference is slow and equably mixes pine bio oil>100 DEG C of constituent masses 10% it is flat
Equal particle diameter is the butadiene-styrene rubber of 80~100 mesh, with 2000r/min height at 120 DEG C~130 DEG C
New bio asphalt sample A is prepared in speed shearing 60min.
A kind of preparation method of 2 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 exists
In：Butadiene-styrene rubber volume in embodiment 1 is changed into the 20% of heavy constituent quality, same to legal system
Obtain new bio pitch B.
A kind of preparation method of 3 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Butadiene-styrene rubber in embodiment 1 is changed into shoddy, new bio pitch C is obtained with legal system.
A kind of preparation method of 4 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Scrap rubber powder yield in embodiment 1 is changed to the 20% of heavy constituent quality, new bio is obtained with legal system
Pitch D.
A kind of preparation method of 5 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Particles of pine in embodiment 1 is changed into willow particle, new bio pitch E is obtained with legal system.
A kind of preparation method of 6 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Particles of pine in embodiment 2 is changed into willow particle, new bio pitch F is obtained with legal system.
A kind of preparation method of 7 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Particles of pine in embodiment 3 is changed into willow particle, new bio pitch G is obtained with legal system.
A kind of preparation method of 8 Biological asphalt of embodiment
The present embodiment provides a kind of preparation method of Biological asphalt, and the difference with embodiment 1 is：
Particles of pine in embodiment 4 is changed into willow particle, new bio pitch H is obtained with legal system.
Prepared by above-described embodiment 1-8 is significantly lower than with new bio base road asphalt material cost
Existing asphalt, and by the performance test of comparative example and embodiment 1-8 gained Biological asphalts
As a result the biology that its high temperature performance is superior to individually prepare with biomass resource can be analyzed
Base road asphalt material.
Performance test method is according to Department of Transportation's professional standard highway engineering pitch and drip
Blue or green test mixture code (JTG-E 20-2011) is to Biological asphalt and comparative example obtained by embodiment 1-8
1 (individually using pine wood chip pyrolysis oil as Biological asphalt made from raw material) and comparative example 2 are (individually
Using willow wood chip pyrolysis oil as Biological asphalt made from raw material) asphalt performance be measured.
The pavement performance of the Biological asphalt of table 1
From the data of table 1, with the Biological asphalt merely prepared using biomass as raw material
Compare, Biological asphalt prepared by the present invention has certain advantage in high temperature performance, especially
It is more prominent to be that embodiment 1, embodiment 2, embodiment 4, embodiment 6, embodiment 8 show
Go out.
Although above the present invention is made with a general description of the specific embodiments
Description in detail, but on the basis of the present invention, it can be made some modifications or improvements, this
It will be apparent to those skilled in the art.Therefore, without departing from spirit of the invention
On the basis of these modifications or improvements, belong to the scope of protection of present invention.
Claims (10)
1. a kind of preparation method of Biological asphalt, it is characterised in that comprise the following steps：
1) biomass is crushed；
2) it is bio oil by gained biomass pyrolytic；
3) by gained bio oil air-distillation, until gas phase temperature reaches 100 DEG C, life is collected
In thing oil>100 DEG C of heavy constituent；
4) aromatic naphtha is mixed after the bio oil heavy constituent being collected into being heated into certain temperature；
5) maintenance system temperature, continue to add polymer rubber class material thereto, cut at a high speed
Cut, obtain Biological asphalt.
2. preparation method according to claim 1, it is characterised in that in step 1),
The biomass is selected from pine wood chip and/or willow wood chip；And the biomass is first crushed to 20
The mesh of mesh~60, it is standby.
3. preparation method according to claim 1, it is characterised in that in step 2),
The pyrolytic process temperature is 400~700 DEG C, preferably 500~550 DEG C；In the pyrolytic process
Residence time is 2~5s, preferably 4~5s.
4. preparation method according to claim 1, it is characterised in that in step 4),
The biomass pyrolysis oil heavy constituent being collected into is heated to 120 DEG C~130 DEG C, mixes certain matter
The aromatic naphtha of amount ratio.
5. preparation method according to claim 1, it is characterised in that in step 4),
The mixed ratio of the aromatic naphtha is attached most importance to the 1~5% of constituent mass, preferably 1~2%.
6. preparation method according to claim 1, it is characterised in that in step 5),
Need slowly and equably to mix polymer rubber class material, at 120 DEG C~130 DEG C, with
1500~3000r/min, 60~70min of high speed shear, obtain Biological asphalt.
7. preparation method according to claim 1, it is characterised in that in step 5),
The polymer rubber class material is the butadiene-styrene rubber that average grain diameter is 80~100 mesh and/or given up
Rubber powder.
8. preparation method according to claim 7, it is characterised in that in step 5),
The polymer rubber class material mixed ratio attaches most importance to the 10%~20% of constituent mass.
9. preparation method according to claim 1, it is characterised in that including following step
Suddenly：
1) biomass powder is broken to the mesh of 20 mesh~60, it is standby；
2) it is bio oil by gained biomass pyrolytic；
The pyrolytic process temperature parameter is 400~700 DEG C；When being stopped in the pyrolytic process
Between be 2s~5s；
3) by gained bio oil air-distillation, until gas phase temperature reaches 100 DEG C, life is collected
In thing oil>100 DEG C of heavy constituent；
4) the bio oil heavy constituent being collected into is heated to 120 DEG C~130 DEG C, mixes aromatic naphtha；
The mixed ratio of the aromatic naphtha attaches most importance to the 1~5% of constituent mass；
5) maintenance system temperature, need slowly and equably to mix polymer rubber class material,
120 DEG C~130 DEG C, with 1500~3000r/min, 60~70min of high speed shear, obtain biological drip
It is blue or green；
The polymer rubber class material for the mesh of average grain diameter 80~100 butadiene-styrene rubber and/or
Shoddy, its mixed ratio attach most importance to the 10%~20% of constituent mass.
10. Biological asphalt made from any methods describeds of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610390836.6A CN107434917B (en) | 2016-06-03 | 2016-06-03 | A kind of Biological asphalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610390836.6A CN107434917B (en) | 2016-06-03 | 2016-06-03 | A kind of Biological asphalt and preparation method thereof |
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| CN107434917A true CN107434917A (en) | 2017-12-05 |
| CN107434917B CN107434917B (en) | 2019-10-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256858A (en) * | 2019-06-12 | 2019-09-20 | 台州立拓能源有限公司 | Application of the bio-oil as pitch |
| CN111635637A (en) * | 2020-05-27 | 2020-09-08 | 哈尔滨工业大学 | Chemical synthesis method of biological asphalt for roads |
| CN115181429A (en) * | 2022-06-16 | 2022-10-14 | 山西省交通科技研发有限公司 | Biological oil modified rubber asphalt and phase separation evaluation method thereof |
| CN115772333A (en) * | 2022-12-07 | 2023-03-10 | 东南大学 | Method for preparing biological regenerant based on microwave thermal cracking technology, biological regenerant and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766340A (en) * | 2012-08-13 | 2012-11-07 | 交通运输部公路科学研究所 | Modified biological asphalt material, biological asphalt mixture, preparation method thereof and applications |
| CN102796547A (en) * | 2012-08-13 | 2012-11-28 | 交通运输部公路科学研究所 | Biological asphalt, biological asphalt composition and preparation method |
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2016
- 2016-06-03 CN CN201610390836.6A patent/CN107434917B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766340A (en) * | 2012-08-13 | 2012-11-07 | 交通运输部公路科学研究所 | Modified biological asphalt material, biological asphalt mixture, preparation method thereof and applications |
| CN102796547A (en) * | 2012-08-13 | 2012-11-28 | 交通运输部公路科学研究所 | Biological asphalt, biological asphalt composition and preparation method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256858A (en) * | 2019-06-12 | 2019-09-20 | 台州立拓能源有限公司 | Application of the bio-oil as pitch |
| CN110256858B (en) * | 2019-06-12 | 2021-08-03 | 台州立拓能源有限公司 | Application of biomass oil as asphalt |
| CN111635637A (en) * | 2020-05-27 | 2020-09-08 | 哈尔滨工业大学 | Chemical synthesis method of biological asphalt for roads |
| CN115181429A (en) * | 2022-06-16 | 2022-10-14 | 山西省交通科技研发有限公司 | Biological oil modified rubber asphalt and phase separation evaluation method thereof |
| CN115181429B (en) * | 2022-06-16 | 2023-11-14 | 山西省交通科技研发有限公司 | Biological oil modified rubber asphalt and phase separation evaluation method thereof |
| CN115772333A (en) * | 2022-12-07 | 2023-03-10 | 东南大学 | Method for preparing biological regenerant based on microwave thermal cracking technology, biological regenerant and application |
| CN115772333B (en) * | 2022-12-07 | 2023-12-22 | 东南大学 | Method for preparing biological regenerant based on microwave thermal cracking technology, biological regenerant and application |
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| CN107434917B (en) | 2019-10-25 |
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Inventor after: Cao Dongwei Inventor after: He Min Inventor after: Cheng Cheng Inventor before: Cao Dongwei Inventor before: He Min Inventor before: Tu Cheng |
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