CN101845229B - Waste clay asphalt modifier and production method thereof - Google Patents
Waste clay asphalt modifier and production method thereof Download PDFInfo
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- CN101845229B CN101845229B CN2010101793727A CN201010179372A CN101845229B CN 101845229 B CN101845229 B CN 101845229B CN 2010101793727 A CN2010101793727 A CN 2010101793727A CN 201010179372 A CN201010179372 A CN 201010179372A CN 101845229 B CN101845229 B CN 101845229B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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Abstract
The invention belongs to the field of road materials, in particular to a waste clay asphalt modifier and a production method thereof. The waste clay asphalt modifier mainly comprises a thermoplastic elastomer (SBS), aromatic oil, sodium tripolyphosphate, sodium silicate, a stabilizer, a lubricant and other materials. The materials enters a reciprocating screw extruder and a single screw extruder through an automatic weighing system, and are mixed and extruded at a temperature of 100-190 DEG C, and then are pelletized by an air cooled pelletizer and go through a blower, a vibration screen, a cyclone drying tank and the like, and the materials are sent to a packaging machine by an automatic feeder for product packaging. The method of the invention is convenient to operate, and the product has high pass rate and no pollution emission. The asphalt modifier of the invention can be directly mixed with asphalt and stirred to prepare the modified asphalt, so the use is very convenient, and the performances fully meet the technical requirements.
Description
Technical field
The invention belongs to technical field of pavement materials, be specifically related to a kind of waste clay asphalt modifier and production method thereof.
Background technology
Useless carclazyte is in the oil and fat refining course of processing, grease is carried out adsorption bleaching to be handled, after losing activity after the hot pressing filter, can't utilize once more, and produce contain the useless carclazyte of grease, be a kind of black or gray sludge residue, contain heterocycle hydrocarbon polymer such as the oil of 5%-35% and a certain amount of colloid, bituminous matter, sulfur-bearing oxygen, nitrogen and diolefine, unsaturated hydrocarbons and fragrance usually and belong to materials such as hydrocarbon.Annual this class waste residue of discharging of China reaches more than the few hundred thousand tonnes of.After domestic general usefulness is further squeezed or means such as wash-out reclaim wherein part oil, promptly fill out, bury, waste treatment such as heap.Chinese patent: the patent No. 200510035206.9 " containing the useless clay treatment technology of grease " provides a kind of de-oiling rate Gao Bingneng to make the de-oiling clay regeneration, and recycle contains the technology of utilizing of the useless carclazyte of grease; Chinese patent: the patent No.: 91107392.2 " useless clay dregs comprehensive utilization novel methods " place a device of being made up of vacuum heater and condenser by the clay dregs that will give up, under negative pressure state, characteristic according to the useless contained oil product of clay dregs, controlled temperature is 50-450 ℃, handled 5-300 minute, the oil that distills is reclaimed in condensation, again that de-oiling is sticking useless clay dregs pulverize even one have half epistasis can modified filler, be applied in the rubber item, substitute general powdered mineral filler and part carbon black now.
Above patent provides certain methods to the comprehensive utilization of useless carclazyte, but the requirement that the quality of oil quality that reclaims and regeneration carclazyte does not all reach product innovation, and the complete processing more complicated.
Pitch is a kind of high-molecular hydrocarbons of complexity, and the road surface that is used to lay is a kind of jointless continuity road surface, and the driving vibration is little, and noise is low, and open to traffic is fast, and maintenance is easy, is the important structure form on China road surface.But because the sharp increase of modern road traffic flow, the axle of freight is heavy constantly to be increased, and requires further to improve road surface resistance to flow, the i.e. ability of anti-rut under the high temperature; Improve flexibility and elasticity, the i.e. ability of cracking resistance under the low temperature; Improve the abrasion performance ability and increase the service life.Therefore, pitch is carried out modification, make it adapt to above-mentioned harsh service requirements, caused people's attention.Adopting modifying asphalt to solve the problem of road surface anti-high and low-temp, antiskid, weather resistance and large bearing capacity, is one of current domestic and international modern technique.
Studies show that both at home and abroad, utilize copolymer material that pitch is carried out modification to have the temperature sensitivity that reduces bituminous material, improve softening temperature and improve characteristics such as ageing resistance; As SBS modifying asphalt, SBR modifying asphalt, PE modifying asphalt etc., because the premium properties of polymer materials, make modifying asphalt excellent adaptability be arranged to structural distortion, obviously improved the anti-high and low-temp performance and the large bearing capacity of road, but prices such as SBS modifying asphalt, SBR modifying asphalt, PE modifying asphalt all compare costliness.
The present invention uses useless carclazyte to produce asphalt modifier, turns waste into wealth, aboundresources, low price and non-pollution discharge.Asphalt modifier by the present invention's production, can directly mix, stir the preparation modifying asphalt, also can directly be invested in the batching plant of bituminous concrete, the preparation modified asphalt mixture with pitch, use very conveniently, performance reaches the technical requirements of modifying asphalt and modified asphalt mixture fully.
Summary of the invention
The object of the present invention is to provide the waste clay asphalt modifier and the production method thereof of a kind of aboundresources, low price and non-pollution discharge.
The invention provides waste clay asphalt modifier, relate to the comprehensive utilization that contains the useless carclazyte of grease, constitute by the component of following column weight amount umber:
Useless carclazyte 100
SBS 40-100
Aromatic hydrocarbon oil 20-30
Tripoly phosphate sodium STPP 1-3
Lubricant 5-15
Stablizer 0.1-0.3.
Among the present invention, SBS can be a kind of in linear star-like or linear and star-like being mixed, and wherein, vinylbenzene and butadiene block be than 30/70, molecular weight 10-20 ten thousand; Useless carclazyte is the atlapulgite of edible fat production station-service in decolouring; 100 ℃ of kinematic viscosity 10-35mm of aromatic hydrocarbon oil
2/ S; Tripoly phosphate sodium STPP
Active principle 〉=98, fugitive constituent≤0.5%Lubricant is a polyethylene wax, and relative molecular mass is 1800-8000; Stablizer is a sulfide:
〉=99% (HPLC), fusing point: 100-103 ℃, activation energy: 129KJ/mol.
The production equipment of the waste clay asphalt modifier that the present invention proposes is as follows: connected to form by the road by automatic batching system, reciprocating screw forcing machine, single screw extrusion machine, air-cooled dicing machine, gas blower, one-level cyclone drying jar, vibratory screening apparatus, gas blower, cyclone drying jar, feeder, wrapping machine, sack closer, its structure as depicted in figs. 1 and 2.Wherein, automatic batching system 1 directly is connected with reciprocating screw forcing machine 2, the extrusion of reciprocating screw forcing machine 2 is connected with single screw extrusion machine 3, and the die head of single screw extrusion machine 3 is connected with air-cooled dicing machine 4, and air-cooled dicing machine 4 lower part outlet pipes are communicated with gas blower 5; The pipeline of first gas blower 5 is connected with one-level cyclone drying jar 6 tops, the bottom of cyclone drying jar 6 is connected with vibratory screening apparatus 7, second gas blower 8 is connected with the entrance end of vibratory screening apparatus 7, the other end of vibratory screening apparatus 7 is provided with feed opening, is connected with the 3rd gas blower 9, and the pipeline of the 3rd gas blower 9 is connected with secondary cyclone drying jar 10 tops, secondary cyclone drying jar 10 bottoms are connected with feeder 11, feeder 11 is connected with wrapping machine 12, and product is packed into by the wrapping machine bottom after the packing bag, is sealed by sack closer 13.
The production method of waste clay asphalt modifier provided by the invention, concrete steps are as follows: (accompanying drawing 3)
The material of said components is added reciprocating screw forcing machine 2 respectively by automatic batching system 1 (the feeding amount is regulated arbitrarily by the PLC Controlling System), the reciprocating screw forcing machine is pressed the characteristic of material, be preheating to the temperature of regulation, design temperature 50-220 ℃, under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification, enter single screw extrusion machine 3 then, make material further mix, plastify, and temperature is controlled at optimum temperature (design temperature 120--180 ℃), extrude through die head.Air-cooled dicing machine 4 with die head links together with the material of just having extruded, under the cutting knife of high speed rotating, is cut into the particle of 1-2 millimeter length.The blower fan on air-cooled dicing machine top is sent into material in the export pipeline of gas blower 5; under the effect of wind-force; material enters one-level cyclone drying jar 6; behind preliminarily dried, enter the import of vibratory screening apparatus 7 from the bottom; gas blower 8 is under the effect of wind-force; with material further dry, screening in vibratory screening apparatus 7; enter the export pipeline of gas blower 9 from export pipeline; under the effect of wind-force; after material enters secondary cyclone drying jar 10 continuation dryings; send into wrapping machine 12 by feeder 11, after weighing automatically, enter packing bag and seal by sack closer 13.
The waste clay asphalt modifier that production method of the present invention is produced is a particulate state, can stir, mix, melt bloated earlier with pitch, prepares modifying asphalt and uses high-temperature pipe to be transported in the mixing machine then, also can directly be invested in the mixing machine of bituminous concrete.
The waste clay asphalt modifier that production method of the present invention is produced stores, transportation, uses all very conveniently, and quality product reaches the requirement of asphaltum with high viscosity fully.
Description of drawings
Fig. 1 is apparatus of the present invention orthographic plan.
Fig. 2 is apparatus of the present invention vertical planning drawing.
Fig. 3 is a process flow sheet of the present invention.
Number in the figure: 1 for having the automatic batching system of weighing device, and 2 is the reciprocating screw forcing machine, and 3 is single screw extrusion machine; 4 is air-cooled dicing machine; 5 is first gas blower, and 6 is one-level cyclone drying jar, and 7 is vibratory screening apparatus; 8 is second gas blower; 9 is the 3rd gas blower, and 10 is secondary cyclone drying jar, and 11 is feeder; 12 is wrapping machine, and 13 is sack closer.
Embodiment
The layout of production equipment of the present invention as depicted in figs. 1 and 2.The present invention is further described below by embodiment:
1. production equipment is bought rations by following requirement:
2. production method:
Material adds reciprocating screw forcing machine 2 respectively by automatic batching system 1 (the feeding amount is preestablished by the PLC Controlling System), the reciprocating screw forcing machine is pressed the characteristic of material, (design temperature 50-220 ℃), under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification, enter single screw extrusion machine 3 (design temperature 120--180 ℃) then, make material further mix, plastify, and temperature is controlled at optimum temperature, extrude through die head.Air-cooled dicing machine 4 with die head links together with the material of just having extruded, under the cutting knife of high speed rotating, is cut into the particle of 2-3 millimeter length.Wind-force is sent into particle the pipeline of first gas blower 5 from the bottom of air-cooled dicing machine 4; under the effect of wind-force, material sent into one-level cyclone drying jar 6; behind preliminarily dried, enter the import of vibratory screening apparatus 7 from the bottom; second gas blower 8 is under the effect of wind-force; material is further dry in vibratory screening apparatus 7; sieve removes to be greater than or less than the particle of 2-3 millimeter simultaneously; enter the export pipeline of the 3rd gas blower 9 from export pipeline; under the effect of wind-force; after material enters secondary cyclone drying jar 10 continuation dryings; send into wrapping machine 12 by feeder 11, after weighing automatically, enter packing bag and seal by sack closer 13.
Embodiment 1:
Waste clay asphalt modifier is made of the component of following column weight amount umber:
100 parts of useless carclazytes, 40 parts of SBS, 20 parts of aromatic hydrocarbon oil, 1 part of tripoly phosphate sodium STPP, 5 parts of lubricants, 0.1 part of stablizer.With production method shown in production equipment shown in above-mentioned 1 and above-mentioned 2, make the particulate state waste clay asphalt modifier.With 6 parts of properties-correcting agent join 94 parts of temperature 170 ℃～190 ℃ 70
#Stir, shear 40min in the road bitumen, make modifying asphalt, the technical indicator result who tests modifying asphalt respectively is as follows.
| Test subject | Assay | The JTDF40-2004 technical indicator |
| 25 ℃ of penetration degrees | 50.2 | ?30-60 |
| Softening temperature (℃) | 66.8 | ?≥60 |
| 5 ℃ of extensibilities (cm) | 30.1 | ?≥20 |
| Aging back penetration ratio (%) | 75.5 | ?≥65 |
| Aging back ductility (5 ℃, cm) | 23.3 | ?≥15 |
With above-mentioned 6 parts of particulate state waste clay asphalt modifiers, under 160 ℃～190 ℃ temperature with 94 part 70
#Road bitumen drop into respectively directly in the mixing machine (with the proportioning of gathering materials by actual requirement), stir, blend makes bituminous concrete, tests the correlation technique index of modified asphalt mixture respectively, the result is as follows:
Embodiment 2:
Waste clay asphalt modifier is made of the component of following column weight amount umber:
100 parts of useless carclazytes, 70 parts of SBS, 25 parts of aromatic hydrocarbon oil, 2 parts of tripoly phosphate sodium STPPs, 10 parts of lubricants, 0.2 part of stablizer.With production method shown in production equipment shown in above-mentioned 1 and above-mentioned 2, make the particulate state waste clay asphalt modifier.With 6 parts of properties-correcting agent join 94 parts of temperature 170 ℃～190 ℃ 70
#Stir, shear 40min in the road bitumen, make modifying asphalt, the technical indicator result who tests modifying asphalt respectively is as follows.
| Test subject | Assay | The JTDF40-2004 technical indicator |
| 25 ℃ of penetration degrees | 50.1 | 30-60 |
| Softening temperature (℃) | 64.5 | ≥60 |
| 5 ℃ of extensibilities (cm) | 25.2 | ≥20 |
| Aging back penetration ratio (%) | 77.1 | ≥65 |
| Aging back ductility (5 ℃, cm) | 18.7 | ≥15 |
With above-mentioned 6 parts of particulate state waste clay asphalt modifiers, under 160 ℃～190 ℃ temperature with 94 part 70
#Road bitumen drop into respectively directly in the mixing machine (with the proportioning of gathering materials by actual requirement), stir, blend makes bituminous concrete, tests the correlation technique index of modified asphalt mixture respectively, the result is as follows:
Embodiment 3:
Waste clay asphalt modifier is made of the component of following column weight amount umber:
100 parts of useless carclazytes, 100 parts of SBS, 30 parts of aromatic hydrocarbon oil, 3 parts of tripoly phosphate sodium STPPs, 15 parts of lubricants, 0.3 part of stablizer.With production method shown in production equipment shown in above-mentioned 1 and above-mentioned 2, make the particulate state waste clay asphalt modifier.With 6 parts of properties-correcting agent join 94 parts of temperature 170 ℃～190 ℃ 70
#Stir, shear 40min in the road bitumen, make modifying asphalt, the technical indicator result who tests modifying asphalt respectively is as follows.
| Test subject | Assay | The JTDF40-2004 technical indicator |
| 25 ℃ of penetration degrees | 56.4 | 30-60 |
| Softening temperature (℃) | 68.3 | ≥60 |
| 5 ℃ of extensibilities (cm) | 30.4 | ≥20 |
| Aging back penetration ratio (%) | 67.9 | ≥65 |
| Aging back ductility (5 ℃, cm) | 25.2 | ≥15 |
With above-mentioned 6 parts of particulate state waste clay asphalt modifiers, under 160 ℃～190 ℃ temperature with 94 part 70
#Road bitumen drop into respectively directly in the mixing machine (with the proportioning of gathering materials by actual requirement), stir, blend makes bituminous concrete, tests the correlation technique index of modified asphalt mixture respectively, the result is as follows:
Production method of the present invention is not limited to the foregoing description.
Claims (3)
1. waste clay asphalt modifier is characterized in that this asphalt modifier material component by weight is as follows:
100 parts of useless carclazytes;
SBS 40-100 part;
Aromatic hydrocarbon oil 20-30 part;
Tripoly phosphate sodium STPP 1-3 part;
Lubricant 5-15 part;
Stablizer 0.1-0.3 part;
And prepare by following method:
The material of described component is added the reciprocating screw forcing machine respectively by automatic batching system, the reciprocating screw forcing machine is pressed the characteristic of material, is preheating to the temperature of regulation, and design temperature is 50-220 ℃, under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification; Enter single screw extrusion machine then, make material further mix, plastify, and temperature is controlled at 120--180 ℃, extrude through the die head of single screw extrusion machine; Air-cooled dicing machine with die head links together with the material of just having extruded, under the cutting knife of high speed rotating, is cut into the particle of 1-2 millimeter length; The blower fan on air-cooled dicing machine top is sent into material in the export pipeline of first gas blower, and under the effect of wind-force, material enters one-level cyclone drying jar, enters the import of vibratory screening apparatus behind preliminarily dried from the bottom; Second gas blower with material further dry, screening in vibratory screening apparatus, enters the export pipeline of the 3rd gas blower from export pipeline under the effect of wind-force; Under the effect of wind-force, material is sent into wrapping machine by feeder after entering secondary cyclone drying jar continuation drying, enters packing bag and sealed by sack closer after weighing automatically.
2. waste clay asphalt modifier according to claim 1 is characterized in that: a kind of in linear star-like or linear and star-like being mixed of SBS, and wherein, vinylbenzene and butadiene block be than 30/70, molecular weight 10-20 ten thousand; 100 ℃ of kinematic viscosity 10-35mm of aromatic hydrocarbon oil
2/ S; The active principle of tripoly phosphate sodium STPP 〉=98, fugitive constituent≤0.5%; Lubricant is a polyethylene wax, and relative molecular mass is 1800-8000; Stablizer is a sulfide: 〉=99% (HPLC), fusing point: 100-103 ℃, activation energy: 129KJ/mol.
3. the production method of a waste clay asphalt modifier as claimed in claim 1 is characterized in that concrete steps are as follows:
The material of described component is added the reciprocating screw forcing machine respectively by automatic batching system, the reciprocating screw forcing machine is pressed the characteristic of material, is preheating to the temperature of regulation, and design temperature is 50-220 ℃, under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification; Enter single screw extrusion machine then, make material further mix, plastify, and temperature is controlled at 120--180 ℃, extrude through the die head of single screw extrusion machine; Air-cooled dicing machine with die head links together with the material of just having extruded, under the cutting knife of high speed rotating, is cut into the particle of 1-2 millimeter length; The blower fan on air-cooled dicing machine top is sent into material in the export pipeline of first gas blower, and under the effect of wind-force, material enters one-level cyclone drying jar, enters the import of vibratory screening apparatus behind preliminarily dried from the bottom; Second gas blower with material further dry, screening in vibratory screening apparatus, enters the export pipeline of the 3rd gas blower from export pipeline under the effect of wind-force; Under the effect of wind-force, material is sent into wrapping machine by feeder after entering secondary cyclone drying jar continuation drying, enters packing bag and sealed by sack closer after weighing automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101793727A CN101845229B (en) | 2010-05-20 | 2010-05-20 | Waste clay asphalt modifier and production method thereof |
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| CN2010101793727A CN101845229B (en) | 2010-05-20 | 2010-05-20 | Waste clay asphalt modifier and production method thereof |
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| CN101845229A CN101845229A (en) | 2010-09-29 |
| CN101845229B true CN101845229B (en) | 2011-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830043A (en) * | 2010-05-20 | 2010-09-15 | 李滢 | Production device and production method of waste clay asphalt modifier |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980650A (en) * | 2014-05-05 | 2014-08-13 | 重庆中加沥青技术服务有限公司 | Direct vat set modifier of cast asphalt mixture and preparation method |
| CN104559265A (en) * | 2015-01-22 | 2015-04-29 | 青海弘川新源实业股份有限公司 | Processing method of modified asphalt |
| CN107163851A (en) * | 2017-07-19 | 2017-09-15 | 合肥广民建材有限公司 | A kind of asphalt waterproof paint for building and preparation method thereof |
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|---|---|---|---|---|
| US3931006A (en) * | 1974-10-17 | 1976-01-06 | Great Canadian Oil Sands Limited | Method of reducing sludge accumulation from tar sands hot water process |
| DE3710405A1 (en) * | 1986-04-07 | 1987-10-08 | Petrolchemisches Kombinat | Filled bituminous, elastomer-modified, cold-setting mixt. for sealing - contain bitumen emulsion with clay emulsifier, cold- and hot-vulcanising accelerators, sulphur, styrene-butadiene latex and stabiliser |
| CN1287133A (en) * | 2000-08-17 | 2001-03-14 | 上海交通大学 | Modified asphalt for road |
| CN1339524A (en) * | 2000-08-18 | 2002-03-13 | 于漧 | Modifier for silicon modified asphalt and its preparing method |
| CN1400251A (en) * | 2001-08-02 | 2003-03-05 | 杜信 | Diatomite modified asphalt |
| CN1528823A (en) * | 2003-09-26 | 2004-09-15 | 沈阳三鑫公路工程有限公司 | Method for preparing waste rubber-powder modified asphalt |
| KR100591536B1 (en) * | 2005-06-30 | 2006-06-20 | 오은영 | Colored asphalt and colored asphalt concrete using of the same |
-
2010
- 2010-05-20 CN CN2010101793727A patent/CN101845229B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931006A (en) * | 1974-10-17 | 1976-01-06 | Great Canadian Oil Sands Limited | Method of reducing sludge accumulation from tar sands hot water process |
| DE3710405A1 (en) * | 1986-04-07 | 1987-10-08 | Petrolchemisches Kombinat | Filled bituminous, elastomer-modified, cold-setting mixt. for sealing - contain bitumen emulsion with clay emulsifier, cold- and hot-vulcanising accelerators, sulphur, styrene-butadiene latex and stabiliser |
| CN1287133A (en) * | 2000-08-17 | 2001-03-14 | 上海交通大学 | Modified asphalt for road |
| CN1339524A (en) * | 2000-08-18 | 2002-03-13 | 于漧 | Modifier for silicon modified asphalt and its preparing method |
| CN1400251A (en) * | 2001-08-02 | 2003-03-05 | 杜信 | Diatomite modified asphalt |
| CN1528823A (en) * | 2003-09-26 | 2004-09-15 | 沈阳三鑫公路工程有限公司 | Method for preparing waste rubber-powder modified asphalt |
| KR100591536B1 (en) * | 2005-06-30 | 2006-06-20 | 오은영 | Colored asphalt and colored asphalt concrete using of the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830043A (en) * | 2010-05-20 | 2010-09-15 | 李滢 | Production device and production method of waste clay asphalt modifier |
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