CN101831190A - High-viscosity asphalt modifier soluble in asphalt and production method thereof - Google Patents
High-viscosity asphalt modifier soluble in asphalt and production method thereof Download PDFInfo
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- CN101831190A CN101831190A CN201010179374A CN201010179374A CN101831190A CN 101831190 A CN101831190 A CN 101831190A CN 201010179374 A CN201010179374 A CN 201010179374A CN 201010179374 A CN201010179374 A CN 201010179374A CN 101831190 A CN101831190 A CN 101831190A
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- high viscosity
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- 239000010426 asphalt Substances 0.000 title claims abstract description 61
- 239000003607 modifier Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 239000003208 petroleum Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000012216 screening Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 7
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 2
- 239000004342 Benzoyl peroxide Substances 0.000 claims 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 235000019400 benzoyl peroxide Nutrition 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 238000004128 high performance liquid chromatography Methods 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical group CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 abstract description 4
- 239000010692 aromatic oil Substances 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000011112 process operation Methods 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000003756 stirring Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002929 anti-fatigue Effects 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/426—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with consecutive casings or screws, e.g. for charging, discharging, mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
-
- 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
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92676—Weight
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of pavement materials, in particular to a high-viscosity asphalt modifier soluble in asphalt and a production method thereof. The modifier contains SBS (styrene-butadiene block copolymer), petroleum resin, aromatic oil, an antioxidant, a lubricating agent, a grafting agent and an initiating agent; the materials enter a reciprocating screw extruder and a single-screw extruder by an automatic weighing system through an automatic weighing system, are mixed, cut and extruded at the temperature of 100-190 DEG C, then are granulated by an underwater granulator and are packaged by an automatic weighing and packaging machine after being cooled, centrifugally dehydrated, sieved and dried. The production method has convenient process operation, high product yield, high product percent of pass and no pollution discharge, and the modifier is easy to dissolve in the asphalt. The modifier can be directly mixed with the asphalt to be stirred to prepare the high-viscosity asphalt and has very convenient use; moreover, the performance of the modifier completely meets the technical requirements.
Description
Technical field
The invention belongs to the ground surface material technical field, be specifically related to asphalt modifier with high viscosity and production method thereof that a kind of traffic route road surface is used.
Background technology
Thickness is generally the wearing course of 4～5cm to a kind of voidage up to 20%～25%.Because voidage is big, rainwater can infiltrate among the road surface, is drained to pavement edge by the connectivity gap in the road surface, there is not very thick moisture film in the rainy day road surface like this, the generation of having avoided water to float the phenomenon that dabbles also no longer occurs simultaneously, has guaranteed the safety of driving effectively.Because the draining soon of this lacunose road surface, so this road surface is referred to as drainage asphalt pavement (Draining AsphaltPavement).
Paving steel bridge deck asphalt concrete pavement technology, conditional request is harsh unusually.Carry at driving dynamic load, wind, under the factor affecting such as temperature variation and earthquake, its high-temperature stability, antifatigue cracking behavior, the following to the steel bridge deck distortion, interlaminar bonding and perfect anti-drainage system etc. all have high requirement.Be laid immediately on the bridge deck pavement material on the orthotropic plate, its stressed and distortion is far beyond highway pavement or airstrip complexity, thereby the requirements at the higher level that its intensity, deformation stability, fatigue durability etc. have been proposed.
Old cement concrete pavement overlays asphalt concrete pavement (being called for short " changing black in vain "), key is how to prevent reflection crack, adopt and be interrupted half-open grating (English name Gap-Semi-Open-Graded,), be a kind of have absorption of stress and anti-vertical shearing effect, promptly have structural, again functional asphalt arranged.The advantage of being interrupted half-open grating and asphaltum with high viscosity is made up, toughness, elasticity and the adhesive capacity of asphalt have been improved, make structural stability, anti-fatigue ability, the low temperature extension ability of asphalt, qualitative leap has been arranged, delay effectively and reduce reflection crack.
To being used for the material of drainage asphalt pavement, " changing black in vain " road surface, steel structure bridge bituminous pavement, generally all to use asphaltum with high viscosity, and the preparation asphaltum with high viscosity must use properties-correcting agent, and SBS is used in recent years widely because of its good two-way modification performance (promptly changing the high temperature and the low-temperature performance of matrix pitch simultaneously).But because pitch is the extremely complicated organic high molecular compound of a kind of composition, its component of pitch that adopts the different crude oils refining to form obviously is different, even if with a kind of crude oil, because of the different gained bituminous component ratios of refining process also are not quite similar.So the consistency of SBS and road bitumen is not so good, the especially particular requirement of asphaltum with high viscosity, the influence that is subjected to consistency is bigger, make the road bitumen be used to prepare asphaltum with high viscosity must take into account with the consistency of SBS.
Summary of the invention
The purpose of this invention is to provide a kind of bituminous asphalt modifier with high viscosity and production method thereof of being soluble in.
The invention provides a kind of asphalt modifier with high viscosity, be specifically related to effect, make the SBS graft modification, thereby reach SBS and bitumen compatibility is good, be easy to the purpose of blend by chemical graft agent and promotor.
The production equipment of the asphalt modifier with high viscosity that the present invention proposes; connected to form by the road by automatic batching system, reciprocating screw forcing machine, single screw extrusion machine, underwater pelletizer, cooling trough, centrifuge, circulating water channel, vibratory screening apparatus, cyclone drying jar, feeder, wrapping machine, sack closer and water circulating pump, 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 underwater pelletizer 4 bottoms, and underwater pelletizer 4 top outlet pipes are communicated with cooling trough 5; Cooling trough 5 downsides are connected with centrifuge 6 bottoms; the bottom opposite side of centrifuge 6 is communicated with circulating water channel 7; the top of centrifuge 6 is connected with vibratory screening apparatus 10; first gas blower 9 is connected with an end of vibratory screening apparatus 10; the other end of vibratory screening apparatus 10 is provided with feed opening; second gas blower 11 connects Venturi 12; Venturi 12 is connected with the feed opening of vibratory screening apparatus 10; Venturi 12 is connected with cyclone drying jar 13 by pipeline; cyclone drying jar 13 bottoms are connected with feeder 14, and feeder 14 is connected with wrapping machine 15, and product is packed into by wrapping machine 15 bottoms after the packing bag; sealed by sack closer 16, it is middle with underwater pelletizer 4 that water circulating pump 8 is arranged at circulating water channel 7.
Asphalt modifier with high viscosity provided by the invention is made of the component of following column weight amount umber:
SBS 50-70 part;
Petroleum resin 25-55 part;
Aromatic hydrocarbon oil 10-30 part;
Antioxidant 0.3-1.2 part;
Lubricant 0.5-1.5 part;
Grafting agent 5-15 part;
Initiator 0.5-1.5 part.
The production method of asphalt modifier with high viscosity provided by the invention, concrete steps are as follows:
Above-mentioned each moiety material is added reciprocating screw forcing machine 2 respectively by automatic batching system 1 (the feeding amount is preestablished according to processing requirement by the PLC Controlling System), the reciprocating screw forcing machine is pressed the characteristic of material, be preheating to the temperature (design temperature is 50-220 ℃) of regulation, 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 is 120--180 ℃), extrude through die head.Underwater pelletizer 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.Water circulating pump 8 is pressurized to 0.3mpa/cm with the recirculated water in the circulation water pot 7
2After above, send into the lower inlet of underwater pelletizer, material is sent into cooling trough 5 by the impulse force of water by pipeline.Material temperature is reduced to below 40 ℃ in cooling trough 5, and the temperature of high pressure water also is reduced to (this moment, the pressure of high pressure water was reduced to normal pressure) below 40 ℃.Material enters into centrifuge 6 under the impulse force of water then.In the centrifuge 6, material and water sepn, water flows in the circulating water channel 7, and material is admitted to vibratory screening apparatus 10.In vibratory screening apparatus 10; the wind-force of first gas blower 9 makes material further dry; sieve removes to be greater than or less than the particle of 1-2 millimeter simultaneously; material enter feed opening by second gas blower 11, Venturi 12, enter cyclone drying jar 13; cyclone drying jar 13 bottoms are connected with feeder 14; feeder 14 is connected with wrapping machine 15; product is packed into by the wrapping machine bottom after the packing bag; seal by sack closer 16; it is middle with underwater pelletizer 4 that water circulating pump 8 is arranged at circulating water channel 7; recirculated water recycles repeatedly, and amount is suitably added after a little while.
The asphalt modifier with high viscosity that production method of the present invention is produced is a particulate state, can directly be invested in the mixing machine of bituminous concrete, also can stir, mix, melt bloated earlier with pitch, prepares asphaltum with high viscosity and uses high-temperature pipe to be transported in the mixing machine then.
The asphalt modifier with high viscosity 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, and is soluble in pitch.
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 underwater pelletizer, and 5 is cooling trough, and 6 is centrifuge; 7 is circulating water channel, and 8 is water circulating pump, and 9 is first gas blower; 10 is vibratory screening apparatus, and 11 is second gas blower, and 12 is Venturi; 13 is the cyclone drying jar; 14 is feeder, and 15 is wrapping machine, 16 sack closers.
Embodiment
Production equipment layout of the present invention as depicted in figs. 1 and 2.Further specify the present invention below by embodiment.
Embodiment 1:
1. asphalt modifier with high viscosity is made of the component of following column weight amount umber:
50 parts of SBS; 40 parts of petroleum resin; 10 parts of aromatic hydrocarbon oil; 0.5 part of antioxidant;
0.8 part of lubricant; 5 parts of grafting agents; 0.5 part of initiator;
2. production equipment is bought rations by following requirement:
3. 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.Underwater pelletizer 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.Water circulating pump 8 is pressurized to 0.3mpa/cm with the recirculated water in the circulation water pot 7
2After above, send into the lower inlet of underwater pelletizer, material is sent into cooling trough 5 by the impulse force of water by pipeline.Material temperature is reduced to below 40 ℃ in cooling trough 5, and the temperature of high pressure water also is reduced to (this moment, the pressure of high pressure water was reduced to normal pressure) below 40 ℃.Material enters into centrifuge 6 under the impulse force of water then.In the centrifuge 6, material and water sepn, water flows in the circulating water channel 7, and material is admitted to vibratory screening apparatus 10.In vibratory screening apparatus 10; the wind-force of gas blower 9 makes material further dry; sieve removes to be greater than or less than the particle of 2-3 millimeter simultaneously; material enter feed opening by gas blower 11, Venturi 12, enter cyclone drying jar 13; cyclone drying jar 13 bottoms are connected with feeder 14; feeder 14 is connected with wrapping machine 15; product is packed into by wrapping machine 15 bottoms after the packing bag; seal by sack closer 16; it is middle with underwater pelletizer 4 that water circulating pump 8 is arranged at circulating water channel 7; recirculated water recycles repeatedly, and amount is suitably added after a little while.
4. above-mentioned 12 parts of particulate state asphalt modifier with high viscosity are joined 88 parts 150 ℃～190 ℃ temperature 70
#In the road bitumen, stir, shearing, blend, make asphaltum with high viscosity, the correlation technique index result who tests high-viscosity modified asphalt respectively is as follows.
| Test subject | Assay | Technical indicator |
| 25 ℃ of penetration degrees | ??44.0 | ??40-50 |
| Softening temperature (℃) | ??92.2 | ??≥80 |
| 5 ℃ of extensibilities (cm) | ??34.3 | ??≥20 |
| 60 ℃ of kinetic viscosities (Pa.S) | ??180,000 | ??≥50,000 |
| 135 ℃ of kinematic viscosity (Pa.S) | ??2.1 | ??≤3.0 |
| Sticking toughness (N.m) | ??31.4 | ??≥25 |
| Toughness (N.m) | ??26.1 | ??≥20 |
| Aging back mass loss (%) | ??0.58 | ??±1.0 |
| Aging back penetration ratio (%) | ??90.7 | ??≥70 |
| Aging back ductility (5 ℃, cm) | ??25.3 | ??≥20 |
5. with the following of above-mentioned particulate state asphalt modifier with high viscosity and 150 ℃～190 ℃ of temperature and 70
#Road bitumen drops into (properties-correcting agent and 70 bituminous weight proportions are 12: 88) in the mixing machine respectively, stirs, blend makes bituminous concrete, surveys the correlation technique index of asphaltum with high viscosity compound respectively, and the result is as follows:
Embodiment 2:
1. asphalt modifier with high viscosity is made of the component of following column weight amount umber:
60 parts of SBS; 30 parts of petroleum resin; 20 parts of aromatic hydrocarbon oil; 0.8 part of antioxidant;
1.2 parts of lubricants; 10 parts of grafting agents; 1.0 parts of initiators;
2. with among the embodiment 1: shown in production equipment and production method, make the particulate state asphalt modifier with high viscosity.
3. above-mentioned 12 parts of particulate state asphalt modifier with high viscosity are joined 88 parts 150 ℃～190 ℃ temperature 70
#In the road bitumen, stir, shearing, blend, make asphaltum with high viscosity, the correlation technique index result who tests high-viscosity modified asphalt respectively is as follows:
4. with the following of above-mentioned particulate state asphalt modifier with high viscosity and 150 ℃～190 ℃ of temperature and 70
#Road bitumen drops into (properties-correcting agent and 70 bituminous weight proportions are 12: 88) in the mixing machine respectively, stirs, blend makes bituminous concrete, surveys the correlation technique index of asphaltum with high viscosity compound respectively, and the result is as follows:
Embodiment 3:
1. asphalt modifier with high viscosity is made of the component of following column weight amount umber:
70 parts of SBS; 25 parts of petroleum resin; 30 parts of aromatic hydrocarbon oil; 1.0 parts of antioxidants;
1.5 parts of lubricants; 15 parts of grafting agents; 1.5 parts of initiators;
2. with among the embodiment 1: shown in production equipment and production method, make the particulate state asphalt modifier with high viscosity.
3. above-mentioned 12 parts of particulate state asphalt modifier with high viscosity are joined 88 parts 150 ℃～190 ℃ temperature 70
#In the road bitumen, stir, shearing, blend, make asphaltum with high viscosity, the correlation technique index result who tests high-viscosity modified asphalt respectively is as follows:
4. with the following of above-mentioned particulate state asphalt modifier with high viscosity and 150 ℃～190 ℃ of temperature and 70
#Road bitumen
Drop into respectively (properties-correcting agent and 70 bituminous weight proportions are 12: 88) in the mixing machine, stir, blend makes bituminous concrete, surveys the correlation technique index of asphaltum with high viscosity compound respectively, the result is as follows:
Production method of the present invention is easy to operate, and the asphalt modifier with high viscosity product percent of pass height of production, quality product stable performance, range of product are conveniently adjustable, safe and reliable, adaptive faculty is strong.High pressure water can be recycled, non-pollution discharge.
Production method of the present invention is not limited to the foregoing description.
Claims (3)
1. one kind is soluble in the bituminous asphalt modifier with high viscosity, it is characterized in that being made of the component of following column weight amount umber:
SBS 50-70 part;
Petroleum resin 25-55 part;
Aromatic hydrocarbon oil 10-30 part;
Antioxidant 0.3-1.2 part;
Lubricant 0.5-1.5 part;
Grafting agent 5-15 part;
Initiator 0.5-1.5 part.
2. asphalt modifier with high viscosity according to claim 1 is characterized in that SBS is 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; The softening temperature of petroleum resin (℃) 110～130; 100 ℃ of kinematic viscosity 10-35mm of aromatic hydrocarbon oil
2/ S; The active principle of antioxidant 〉=98, fugitive constituent≤0.5%; Lubricant is a polyethylene wax, and relative molecular mass is 1800-8000; Grafting agent is MALEIC ANHYDRIDE density or maleic anhydride, 1.48, and 52.8 ℃ of fusing points; Initiator is Diisopropyl azodicarboxylate or benzoyl peroxide, purity: 〉=99% (HPLC), fusing point: 100-103 ℃, activation energy: 129KJ/mol.
3. production method that is soluble in the bituminous asphalt modifier with high viscosity as claimed in claim 1 is characterized in that concrete steps are as follows:
Described each moiety material is added the reciprocating screw forcing machine respectively by automatic batching system, the reciprocating screw forcing machine is pressed the characteristic of material, be preheating to the temperature of regulation, 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 design temperature 120--180 ℃, extrude through the die head of single screw extrusion machine; Underwater pelletizer 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; Water circulating pump is pressurized to 0.3mpa/cm with the recirculated water in the circulation water pot
2After above, send into the lower inlet of underwater pelletizer, material is sent into cooling trough by the impulse force of water by pipeline; Material temperature is reduced to below 40 ℃ in cooling trough, and the temperature of high pressure water also is reduced to below 40 ℃; Material enters into centrifuge under the impulse force of water then; In the centrifuge, material and water sepn, water flows in the circulating water channel, and material is admitted to vibratory screening apparatus; In vibratory screening apparatus, the wind-force of first gas blower makes material further dry, sieve removes the particle of non-1-2 mm length simultaneously, material enters feed opening by second gas blower, Venturi, enter the cyclone drying jar, cyclone drying jar bottom is connected with feeder, and feeder is connected with wrapping machine, product is packed into by the wrapping machine bottom after the packing bag, is sealed by sack closer; Water circulating pump is arranged in the middle of circulating water channel and the underwater pelletizer, and recirculated water recycles repeatedly, and amount is suitably added after a little while.
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| CN102924936A (en) * | 2012-11-09 | 2013-02-13 | 重庆市智翔铺道技术工程有限公司 | Bituminous cold reclaiming agent and application of bituminous cold reclaiming agent in cold reclaiming of bituminous concrete |
| CN102942793A (en) * | 2012-11-21 | 2013-02-27 | 江苏博特新材料有限公司 | High modulus asphalt modifier and preparation method and application thereof |
| CN103030981A (en) * | 2012-12-26 | 2013-04-10 | 上海浦东路桥建设股份有限公司 | High-viscosity bitumen modifier for steel deck paving and preparation method of bitumen modifier |
| CN104194366A (en) * | 2014-09-12 | 2014-12-10 | 江苏苏博特新材料股份有限公司 | Low-temperature-resistant high-modulus asphalt modifier and preparation method thereof |
| CN104629391A (en) * | 2015-02-11 | 2015-05-20 | 上海市政工程设计研究总院（集团）有限公司 | High-elasticity asphalt modified composition, modifier, modified asphalt, modified asphalt mixture and preparation method |
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| CN102924936A (en) * | 2012-11-09 | 2013-02-13 | 重庆市智翔铺道技术工程有限公司 | Bituminous cold reclaiming agent and application of bituminous cold reclaiming agent in cold reclaiming of bituminous concrete |
| CN102942793A (en) * | 2012-11-21 | 2013-02-27 | 江苏博特新材料有限公司 | High modulus asphalt modifier and preparation method and application thereof |
| CN102942793B (en) * | 2012-11-21 | 2014-12-10 | 江苏苏博特新材料股份有限公司 | High modulus asphalt modifier and preparation method and application thereof |
| CN103030981A (en) * | 2012-12-26 | 2013-04-10 | 上海浦东路桥建设股份有限公司 | High-viscosity bitumen modifier for steel deck paving and preparation method of bitumen modifier |
| CN103408958B (en) * | 2013-08-27 | 2015-08-12 | 李振华 | A kind of packed asphaltum with high viscosity and production method thereof and device |
| CN104194366A (en) * | 2014-09-12 | 2014-12-10 | 江苏苏博特新材料股份有限公司 | Low-temperature-resistant high-modulus asphalt modifier and preparation method thereof |
| CN104629391A (en) * | 2015-02-11 | 2015-05-20 | 上海市政工程设计研究总院（集团）有限公司 | High-elasticity asphalt modified composition, modifier, modified asphalt, modified asphalt mixture and preparation method |
| CN105440713B (en) * | 2016-01-26 | 2018-11-13 | 成都特路达交通器材有限公司 | A kind of pitch blended stock performance enhancers and preparation method thereof |
| CN105440713A (en) * | 2016-01-26 | 2016-03-30 | 成都特路达交通器材有限公司 | Asphalt mixing material performance enhancing agent and preparation method thereof |
| CN105949800A (en) * | 2016-06-03 | 2016-09-21 | 杨晓强 | Completely-dissolved direct-putting type high-viscosity modified additive and preparation process thereof |
| CN105949800B (en) * | 2016-06-03 | 2018-06-15 | 杨晓强 | A kind of complete molten direct putting type high viscosity property-modifying additive and its preparation process |
| CN105907028A (en) * | 2016-06-28 | 2016-08-31 | 上海砼仁环保技术发展有限公司 | Color bituminous cement in bags or barrels and production device and method thereof |
| CN108395713A (en) * | 2017-02-07 | 2018-08-14 | 中国石油化工股份有限公司 | A kind of anti-ultraviolet ageing high-viscosity asphalt additive and preparation method thereof |
| CN108395713B (en) * | 2017-02-07 | 2020-06-09 | 中国石油化工股份有限公司 | Ultraviolet aging resistant high-viscosity asphalt additive and preparation method thereof |
| CN110922086A (en) * | 2018-09-20 | 2020-03-27 | 中国石油化工股份有限公司 | Asphalt concrete anti-stripping agent and preparation method thereof |
| CN110922086B (en) * | 2018-09-20 | 2022-02-08 | 中国石油化工股份有限公司 | Asphalt concrete anti-stripping agent and preparation method thereof |
| CN110372834A (en) * | 2019-07-31 | 2019-10-25 | 文山州广那高速公路投资建设开发有限公司 | Cold mixing type colour epoxy pitch, compatilizer and preparation method |
| CN111413943A (en) * | 2020-05-20 | 2020-07-14 | 湖南美石信息技术有限公司 | Dry-mixed mortar production line control management system |
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