CN107488351A - Pouring asphalt cementitious matter prepared by a kind of coal liquefaction residue and preparation method thereof - Google Patents
Pouring asphalt cementitious matter prepared by a kind of coal liquefaction residue and preparation method thereof Download PDFInfo
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- CN107488351A CN107488351A CN201710707947.XA CN201710707947A CN107488351A CN 107488351 A CN107488351 A CN 107488351A CN 201710707947 A CN201710707947 A CN 201710707947A CN 107488351 A CN107488351 A CN 107488351A
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- coal directly
- liquefied residue
- pouring asphalt
- cementitious matter
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides pouring asphalt cementitious matter prepared by a kind of coal directly-liquefied residue, and discloses its preparation method.Mixed in proportion using coal directly-liquefied residue, No. 70 matrix pitches and No. 30 matrix pitches, it is placed in reactor and is reacted, technique is simple, the pouring asphalt cementitious matter material of preparation disclosure satisfy that the construction requirement of pouring asphalt, coal directly-liquefied residue use range is expanded, pouring asphalt concrete performance is improved, there is preferable economic and social benefit.
Description
Technical field
The invention belongs to petrochemical industry processing technique field, is related to pouring type drip prepared by a kind of coal chemical industry solid waste
Blue or green cementitious matter and preparation method thereof
Background technology
In coal liquifaction technology, direct coal liquefaction technology starts heavy industrialization application in China, and coal liquefaction residue is
The residue discharged during coal hydrogenation liquefaction, wherein 50% component is toluene insoluble.Coal liquifaction Co., Ltd of Inner Mongol Shenhua has 170
Ten thousand tons/year of Direct coal liquefaction device, 700,000 tons/year of coal directly-liquefied residue is produced, these coal liquefaction residues are also without very
Good application approach.At present, domestic existing patent proposes the utilization to coal directly-liquefied residue：CN201410466759.9 is carried
Go out coal directly-liquefied residue and a kind of compound Rut resistance for preparing anti-rut agent, improving asphalt of other modifying agent
Performance, reduce construction costs；CN201310084800.1 proposes to utilize the low softening in coal tar oil extract coal directly-liquefied residue
Point asphalitine simultaneously separates, and is then configured to that different performance can be met according to different proportion with coal directly-liquefied residue, asphalt
It is required that building asphalt and road asphalt.
There is presently no the report that coal directly-liquefied residue is applied to pouring asphalt cementitious matter correlation technique.
The content of the invention
It is an object of the invention to expand coal directly-liquefied residue use range, pouring asphalt concrete performance is improved,
A kind of pouring asphalt cementitious matter of the construction requirement that disclosure satisfy that pouring asphalt prepared by coal directly-liquefied residue is provided, and
It is proposed preparation method.
Technical scheme includes：
A kind of coal directly-liquefied residue prepares pouring asphalt cementitious matter, and its is raw materials used direct including matrix pitch, coal
Liquefied residue.Coal directly-liquefied residue is the by-product in coal liquifaction technique, cheap, wherein containing 35% or so toluene insoluble
Macromolecule organic matter, 15% catalyst and ash content can effectively improve asphaltic products modulus.
A kind of coal directly-liquefied residue prepares pouring asphalt cementitious matter, and raw material fraction by weight includes：
No. 70 matrix pitches：20~100 parts；
Coal directly-liquefied residue：10~90 parts；
No. 30 matrix pitches：20~100 parts；
No. 70 matrix pitches are the pitch for meeting the index request of needle penetration 60~80；
No. 30 matrix pitches are the pitch for meeting the index request of needle penetration 25~35；
Coal directly-liquefied residue source Shenhua Group.
The preparation method provided by the invention that pouring asphalt cementitious matter is prepared using coal liquefaction residue is comprised the concrete steps that：
(1) matrix pitch is weighed, baking oven sample (150 DEG C) adds coal directly-liquefied residue, is stirred afterwards；
(2) reactor gland is pushed down；
(3) electrical heating is opened, temperature of reaction kettle is controlled in the range of 130~240 DEG C, stirs 1-5h；
(4) stop heating, coal directly-liquefied residue and petroleum asphalt mixture is made；
(5) No. 30 pitches are proportionally added, are stirred；
(6) electrical heating is opened, temperature of reaction kettle is controlled in the range of 230~240 DEG C, stirs 0.5-5h；
(7) pouring asphalt test mixture evaluation is carried out.
The beneficial effects of the present invention are：(1) 240 DEG C of the pouring asphalt cementitious matter prepared using coal liquefaction residue
Between Ai Feier fluidities 10-17, meet the requirement of construction workability, 60 DEG C of pile penetrations are in below 3mm, 60 DEG C of rut dynamic stabilities
Degree is more than 1000 times/mm, and -10 DEG C of low-temperature bending limiting strains are more than 12000 μ ε, meet Specifications requirement.(2) utilize
Coal liquefaction residue prepares the preparation method of pouring asphalt cementitious matter, and technique is simple, has expanded coal directly-liquefied residue and has used model
Enclose, improve pouring asphalt concrete performance, there is preferable economic and social benefit.
Embodiment
In order to expand coal directly-liquefied residue use range, pouring asphalt concrete performance is improved, the present invention provides one
The pouring asphalt cementitious matter of the construction requirement that disclosure satisfy that pouring asphalt prepared by kind coal directly-liquefied residue, and propose to make
Preparation Method.
A kind of coal directly-liquefied residue prepares pouring asphalt cementitious matter, and raw material fraction by weight includes：
No. 70 matrix pitches：20~100 parts；
Coal directly-liquefied residue：10~90 parts；
No. 30 matrix pitches：20~100 parts；
No. 70 matrix pitches are the pitch for meeting the index request of needle penetration 60~80；
No. 30 matrix pitches are the pitch for meeting the index request of needle penetration 25~35；
Coal directly-liquefied residue source Shenhua Group.
The preparation method provided by the invention that pouring asphalt cementitious matter is prepared using coal liquefaction residue is comprised the concrete steps that：
(1) matrix pitch is weighed, baking oven sample (150 DEG C) adds coal directly-liquefied residue, is stirred afterwards；
(2) reactor gland is pushed down；
(3) electrical heating is opened, temperature of reaction kettle is controlled in the range of 130~240 DEG C, stirs 1-5h；
(4) stop heating, coal directly-liquefied residue and petroleum asphalt mixture is made；
(5) No. 30 pitches are proportionally added, are stirred；
(6) electrical heating is opened, temperature of reaction kettle is controlled in the range of 230~240 DEG C, stirs 0.5-5h；
(7) pouring asphalt test mixture evaluation is carried out.
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
The raw material used in embodiment：Coal directly-liquefied residue (Shenhua Group), No. 70 matrix pitches, No. 30 matrix drips
It is blue or green；According to the above-mentioned preparation method specific steps that pouring asphalt cementitious matter is prepared using coal liquefaction residue, obtained embodiment
As a result it is as shown in table 1 below：
Table 1
Claims (4)
1. pouring asphalt cementitious matter prepared by a kind of coal directly-liquefied residue meets following technical requirements：240 DEG C of Ai Feier streams
Between dynamic degree 10-17,600 DEG C of pile penetrations are more than 1000 times/mm, -10 DEG C of low temperature in below 0.3mm, 60 DEG C of rut dynamic stabilities
Beaming limit strain is more than 12000 μ ε.
2. pouring asphalt cementitious matter prepared by a kind of coal directly-liquefied residue as claimed in claim 1, its raw material is by weight
Fraction includes：
(1) No. 70 matrix pitch：20~100 parts；
(2) coal directly-liquefied residue：10~90 parts；
(3) No. 30 matrix pitches：20~100 parts；
(4) pitch of the index request of foot acupuncture therapy in-degree 60~80；
(5) No. 30 matrix pitches are the pitch for meeting the index request of needle penetration 25~35；
(6) coal directly-liquefied residue source Shenhua Group.
3. pouring asphalt cementitious matter prepared by a kind of coal directly-liquefied residue as claimed in claim 1, its preparation technology step
It is rapid as follows：
(1) matrix pitch is weighed, baking oven sample (150 DEG C) adds coal directly-liquefied residue, is stirred afterwards；
(2) reactor gland is pushed down；
(3) electrical heating is opened, temperature of reaction kettle is controlled in the range of 130~240 DEG C, stirs 1~5h；
(4) stop heating, coal directly-liquefied residue and petroleum asphalt mixture is made；
(5) No. 30 pitches are proportionally added, are stirred；
(6) electrical heating is opened, temperature of reaction kettle is controlled in the range of 230~240 DEG C, stirs 0.5-5h；
(7) pouring asphalt test mixture evaluation is carried out.
4. prepare pouring asphalt cementitious matter method according to the coal directly-liquefied residue described in claim 3, it is characterised in that adopt
With heating stirring kettle synthesize the preparation of lake asphalt.Preferably process conditions are：No. 70 matrix pitches, coal directly-liquefied residues
Hybrid reaction temperature is at 180-240 DEG C, 1~5h of the reaction time, No. 30 matrix pitches, coal directly-liquefied residue hybrid reaction temperature
At 230-240 DEG C, 0.5~5h of reaction time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710707947.XA CN107488351A (en) | 2017-08-17 | 2017-08-17 | Pouring asphalt cementitious matter prepared by a kind of coal liquefaction residue and preparation method thereof |
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| CN201710707947.XA CN107488351A (en) | 2017-08-17 | 2017-08-17 | Pouring asphalt cementitious matter prepared by a kind of coal liquefaction residue and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517127A (en) * | 2018-04-26 | 2018-09-11 | 上海公路桥梁（集团）有限公司 | A kind of coal directly-liquefied residue hard heated bitumen injecting paste material and preparation method thereof |
| CN110499034A (en) * | 2019-08-19 | 2019-11-26 | 上海同沥新材料科技有限公司 | A kind of dedicated modified pitch of pouring asphalt concrete and preparation method thereof |
| CN114479491A (en) * | 2021-12-14 | 2022-05-13 | 中路高科(北京)公路技术有限公司 | High-modulus asphalt containing coal liquefied asphalt and preparation method and application thereof |
| CN117049820A (en) * | 2023-10-12 | 2023-11-14 | 北京建筑大学 | Asphalt sand mixture of residue of direct coal liquefaction and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875789A (en) * | 2010-07-05 | 2010-11-03 | 长安大学 | Coal directly-liquefied residue composite modified asphalt and preparation method thereof |
| CN103173025A (en) * | 2013-03-15 | 2013-06-26 | 长安大学 | Method for preparing road asphalt by direct coal liquefaction residue |
| CN104559253A (en) * | 2013-10-28 | 2015-04-29 | 北京建筑大学 | Preparation method for improving asphalt performance by using coal direct liquefied residues |
| CN104591575A (en) * | 2015-01-26 | 2015-05-06 | 北京建筑大学 | Method for preparing coal direct liquefaction residue modified asphalt mortar |
| CN104788971A (en) * | 2015-04-01 | 2015-07-22 | 北京建筑大学 | Method for improving low-temperature property of asphalt modified by direct coal liquefaction residues |
-
2017
- 2017-08-17 CN CN201710707947.XA patent/CN107488351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875789A (en) * | 2010-07-05 | 2010-11-03 | 长安大学 | Coal directly-liquefied residue composite modified asphalt and preparation method thereof |
| CN103173025A (en) * | 2013-03-15 | 2013-06-26 | 长安大学 | Method for preparing road asphalt by direct coal liquefaction residue |
| CN104559253A (en) * | 2013-10-28 | 2015-04-29 | 北京建筑大学 | Preparation method for improving asphalt performance by using coal direct liquefied residues |
| CN104591575A (en) * | 2015-01-26 | 2015-05-06 | 北京建筑大学 | Method for preparing coal direct liquefaction residue modified asphalt mortar |
| CN104788971A (en) * | 2015-04-01 | 2015-07-22 | 北京建筑大学 | Method for improving low-temperature property of asphalt modified by direct coal liquefaction residues |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517127A (en) * | 2018-04-26 | 2018-09-11 | 上海公路桥梁（集团）有限公司 | A kind of coal directly-liquefied residue hard heated bitumen injecting paste material and preparation method thereof |
| CN110499034A (en) * | 2019-08-19 | 2019-11-26 | 上海同沥新材料科技有限公司 | A kind of dedicated modified pitch of pouring asphalt concrete and preparation method thereof |
| CN114479491A (en) * | 2021-12-14 | 2022-05-13 | 中路高科(北京)公路技术有限公司 | High-modulus asphalt containing coal liquefied asphalt and preparation method and application thereof |
| CN117049820A (en) * | 2023-10-12 | 2023-11-14 | 北京建筑大学 | Asphalt sand mixture of residue of direct coal liquefaction and preparation method thereof |
| CN117049820B (en) * | 2023-10-12 | 2023-12-22 | 北京建筑大学 | Asphalt sand mixture of residue of direct coal liquefaction and preparation method thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Xu Meng Inventor after: Zhang Yuzhen Inventor after: Xiao Hubing Inventor after: Quan Dong Inventor before: Xu Meng Inventor before: Zhang Yuzhen Inventor before: Xiao Hubing |
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Application publication date: 20171219 |
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