CN112895527A

CN112895527A - Preparation method of high-temperature-resistant modified asphalt waterproof coiled material and waterproof coiled material

Info

Publication number: CN112895527A
Application number: CN202110228957.1A
Authority: CN
Inventors: 王伟
Original assignee: Weifang Yuhong Waterproof Material (Group) Co Ltd
Current assignee: Weifang Yuhong Waterproof Material (Group) Co Ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-06-04
Anticipated expiration: 2041-03-02
Also published as: CN112895527B

Abstract

The invention relates to a preparation method of a high-temperature-resistant modified asphalt waterproof coiled material and a waterproof coiled material thereof, and relates to the technical field of waterproof coiled material preparation. The method comprises the steps of adding asphalt into a high-speed shearing machine to be heated so as to enable the asphalt to be completely melted, adding a modifier into the high-speed shearing machine to be heated, starting a motor and an ultrasonic vibrator to stir and vibrate mixed materials, adding the obtained high-temperature resistant modified asphalt into a screw extruder, adding a stabilizer to be melted and extruded, obtaining stable high-temperature resistant modified asphalt, and then sequentially coating a bottom film layer, a lower modified asphalt layer, a lower isolation layer, a base tire layer, an upper isolation layer and an upper modified asphalt layer on a coating machine to obtain the high-temperature resistant modified asphalt waterproof coiled material.

Description

Preparation method of high-temperature-resistant modified asphalt waterproof coiled material and waterproof coiled material

Technical Field

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of a high-temperature-resistant modified asphalt waterproof coiled material and the waterproof coiled material.

Background

The modified asphalt waterproof coiled material is widely applied to waterproof projects such as roofs, basements, toilets and the like of industrial and civil buildings and waterproof and moistureproof projects such as roof gardens, roads, bridges, tunnels, parking lots, swimming pools and the like, is used as a leakage-free connection between an engineering foundation and a building, and is a waterproof barrier of the whole engineering. The existing modified asphalt waterproof coiled material is processed and manufactured by a certain processing procedure by taking modified petroleum asphalt as a stagnation-inducing covering layer, taking materials such as polyester fiber non-woven fabric, jute cloth, glass fiber felt and the like as a base and taking a plastic film as an anti-sticking isolating layer, and has good waterproofness, high elasticity and fatigue resistance.

However, at present, the climate change is increasingly serious, the earth is increasingly warm, the requirement on the high temperature resistance of the modified asphalt waterproof coiled material is more strict, and the problem that the high temperature resistance (anti-aging) performance of the waterproof coiled material is solved by various manufacturers at present is solved, the existing high temperature resistant waterproof coiled material has great effect on the high temperature resistance, but the mixing condition of a modifier in asphalt cannot be accurately controlled when the modified asphalt is prepared, so that the prepared modified asphalt does not reach the standard, the quality of the prepared waterproof coiled material is not high, the actual utility is greatly reduced, and the resource waste is easily caused.

Disclosure of Invention

Therefore, the invention provides a preparation method of a high-temperature-resistant modified asphalt waterproof coiled material and the waterproof coiled material. The method is used for solving the problem of low quality of the prepared waterproof coiled material caused by the fact that the mixing condition of the modifier in the asphalt can not be accurately controlled in the prior art.

In order to achieve the purpose, the invention provides a preparation method of a high-temperature-resistant modified asphalt waterproof coiled material, which is characterized by comprising the following steps of:

step a, adding asphalt into a high-speed shearing machine to heat so as to completely melt the asphalt;

b, adding the modifier into a high-speed shearing machine, heating, and starting a first motor and an ultrasonic vibrator to enable a stirring paddle to stir the mixed material to obtain high-temperature-resistant modified asphalt;

step c, heating the screw extruder, adding the modified asphalt into the screw extruder, adding the stabilizer into the screw extruder, and performing melt extrusion on the modified asphalt and the stabilizing agent to obtain stable high-temperature-resistant modified asphalt;

d, adding the high-temperature-resistant modified asphalt which is subjected to melt extrusion into a coating machine, and sequentially coating according to the bottom film layer, the lower modified asphalt layer, the lower isolation layer, the tire base layer, the upper isolation layer and the upper modified asphalt layer to obtain the high-temperature-resistant modified asphalt waterproof coiled material;

in the step b, standard process parameters are set in a central processor, the standard process parameters include a modifier type S0, a standard particle dispersion coefficient range F0, a standard compatibility coefficient range E0 and a standard viscosity range N0, the central processor correspondingly selects a standard particle dispersion coefficient range F0 (Fmin, Fmax), a standard compatibility coefficient range E0 (Emin, Emax) and a standard viscosity range N0 (Nmin, Nmax) according to the modifier type, wherein Fmin is a coefficient range minimum value of standard particle dispersion, Fmax is a coefficient range maximum value of standard particle dispersion, Emin is a standard compatibility coefficient range minimum value, Emax is a standard compatibility coefficient range maximum value, Nmin is a standard viscosity range minimum value, Nmax is a standard viscosity range maximum value, Fmin < Fmax, Emin < Emax, and Nmin < Nmax;

when the central processor finishes the determination of the particle dispersion coefficient range F0, the compatibility coefficient range E0 and the viscosity range N0 and prepares modified asphalt, the central processor calculates an actual dispersion coefficient F of the modifier in the asphalt, when F ∉ F0, the central processor judges that the actual dispersion coefficient of the modifier in the asphalt does not reach the standard value, if F is larger than Fmax, the central processor controls the motor according to the difference between F and Fmax to increase the rotating speed and/or the ultrasonic frequency of the stirring paddle to a corresponding value, the rotating speed and/or the ultrasonic frequency of the stirring paddle is increased to make the actual dispersion coefficient of the modifier in the asphalt reach the standard particle dispersion coefficient range, if F is smaller than Fmin, the central processor controls a storage bin to add the modifier into the high-speed shearing machine according to the difference between F and Fmin, increasing the proportion of the modifier in the raw materials to enable the actual dispersion coefficient of the modifier in the asphalt to reach the standard particle dispersion coefficient range; when F belongs to F0, the central processor judges that the actual dispersion degree of the modifier in the asphalt reaches the standard and calculates the actual compatibility coefficient E of the modified asphalt mixture, if E ∉ E0, the central processor judges that the actual compatibility of the modified asphalt mixture does not reach the standard, if E is less than Emin, the central processor controls to add a cosolvent into the modified asphalt mixture according to the difference value between E and Emin so as to ensure that the actual compatibility of the modified asphalt mixture reaches the standard, if E is more than Emax, the central processor controls to regulate the quality of the asphalt added into the modified asphalt mixture according to the difference value between E and Emax so as to ensure that the actual compatibility of the modified asphalt mixture reaches the standard, when E belongs to E0, the central processor controls to detect the actual dispersion degree again, if the dispersion degree of the modifier does not reach the standard in the asphalt actually, the central control processor readjusts the dispersion degree of the modifier in the asphalt and the compatibility of the modified asphalt mixture according to the actual dispersion degree coefficient F until the actual dispersion degree of the modifier in the asphalt and the actual compatibility of the modified asphalt mixture reach the standard, when F belongs to F0 and E belongs to E0, the central control processor controls a viscosity detector to detect the actual viscosity N of the mixture, when N ∉ N0, the central control processor judges that the actual viscosity of the modified asphalt mixture does not reach the standard, if N is less than Nmin, the central control processor controls to adjust and reduce the temperature of the modified asphalt mixture according to the difference between N and Nmin so that the actual viscosity of the modified asphalt mixture reaches the standard viscosity range, if N is more than Nmax, the central control processor controls to adjust and increase the temperature of the modified asphalt mixture according to the difference between N and Nmax so that the actual viscosity of the modified asphalt mixture reaches the standard viscosity range, when F is equal to F0, E is equal to E0 and N is equal to N0, the central processor judges that the asphalt modification is completed.

Further, in the step a, the central processor is also provided with an asphalt type, a modifier type and a use requirement type, the asphalt species include a first asphalt species Pa1, a second asphalt species Pa2, a third asphalt species Pa3, a fourth asphalt species Pa4, the modifier species include a first modifier species Pb1, a second modifier species Pb2, a third modifier species Pb3, a fourth modifier species Pb4, for the modifier species including a first modifier species Pb1, a second modifier species Pb2, a third modifier species Pb3, a fourth modifier species Pb4, the central control processor selects corresponding asphalt types, asphalt quality and modifier types according to actual use requirements, when the demand for use category Ai is set to i =1, 2, 3, 4, the central processor selects the asphalt category as Pai and the modifier category as Pbi.

Further, in the step b, when the mixing material is stirred by the high-speed shearing machine at the rotating speed V1 and the vibration frequency omega 1 and is vibrated for the time t1, the central control processor calculates the actual dispersion coefficient F of the particles of the modifier in the asphalt, the actual compatibility coefficient E of the modified asphalt mixing material and the actual viscosity N of the detection mixing material, when F is equal to F0, K is equal to K0 and N is equal to N0, the central control processor judges that the asphalt is modified completely,

the calculation formula of the particle dispersity coefficient F is F = Di/Dj, wherein Di is the average particle size of particles, Dj is the average distance between particles,

the calculation formula of the compatibility coefficient E is E = Mi/M + Vi/V + Di/Dj, wherein Mi is the molar mass of the modifier, Mj is the molar mass of the mixed material, Vi is the volume of the modifier, and Vj is the volume of the mixed material;

and a viscosity detector is arranged on the stirring paddle and used for detecting the viscosity of the mixed material, and when the viscosity detector measures the viscosity of the mixed material, the viscosity detector records the measured viscosity as N.

Further, in the step b, the central processor is further provided with a particle dispersion coefficient difference, a stirring blade rotation speed adjustment coefficient and a modifier increase, the particle dispersion coefficient difference includes a first particle dispersion coefficient difference F1, a second particle dispersion coefficient difference F2, a third particle dispersion coefficient difference F3, a fourth particle dispersion coefficient difference Δ F4, an F1 < |, F2 < |, F3 |, the stirring blade rotation speed adjustment coefficients include a first stirring blade rotation speed adjustment coefficient Kv1, a second stirring blade rotation speed adjustment coefficient Kv2, a third stirring blade rotation speed adjustment coefficient Kv3, a fourth stirring blade rotation speed adjustment coefficient Kv4, an Mb1 < 8 < Kv2 < Kv3 < Mb4, a fourth stirring blade rotation speed increase 3527 Δ 27, an Mb 6 second modifier Mb Δ 3 Δ, Δ Mb1 < ndam, Mb2 ndam, Mb3 ndam 4,

when the high-speed shearing machine is used for preparing the high-temperature resistant modified asphalt, the central control processor calculates the actual particle dispersion coefficient F of the modifier in the asphalt according to the data monitored by the ultrasonic probe in real time, when F ∉ F0 is reached, the central control processor compares the actual particle dispersion coefficient F of the modifier in the asphalt with the particle dispersion coefficient range F0,

when F is larger than Fmax, the central control processor selects a corresponding rotating speed adjusting coefficient of the stirring paddle to adjust the rotating speed of the stirring paddle according to the difference value between the actual particle dispersion coefficient F and the maximum value Fmax of the particle dispersion coefficient range, sets a Δ F = F-Fmax,

when the Δ F1 is less than or equal to F2, the central processor selects Kv1 to adjust the rotating speed of the stirring paddle,

when the Δ F2 is less than or equal to F3, the central processor selects Kv2 to adjust the rotating speed of the stirring paddle,

when the Δ F3 is less than or equal to F4, the central processor selects Kv3 to adjust the rotating speed of the stirring paddle,

when the Δ F is equal to F4, the central processor selects Kv4 to adjust the rotating speed of the stirring paddle,

when Kvi is selected to adjust the rotating speed of the stirring paddle, the central control processor sets the adjusted rotating speed of the stirring paddle to be V2, and sets V2= V1 Kvi.

When F is less than Fmin, the central control processor selects a corresponding modifier increment according to the actual particle dispersion coefficient F and the difference value of the minimum particle dispersion coefficient Fmin, adds a modifier, sets Δ F' = Fmin-F,

when the Δ F1 is less than or equal to the Δ F2, the central processor selects the Mb1 to increase the addition amount of the modifier,

when the Δ F2 is less than or equal to the Δ F3, the central processor selects the Mb2 to increase the addition amount of the modifier,

when the Δ F3 is less than or equal to the Δ F4, the central processor selects the Mb3 to increase the addition amount of the modifier,

when the Δ F' is equal to the Δ F4, the middle control processor selects the Δ Mb4 to increase the addition amount of the modifier,

when the amount of the modifier is increased by selecting Mbi, the mass of the increased modifier is Mb ', and Mb' = Mb +. Mbi is set;

further, in the step b, the central processor is further provided with ultrasonic frequency adjusting coefficients, the ultrasonic frequency adjusting coefficients comprise a first ultrasonic frequency adjusting coefficient Kf1, a second ultrasonic frequency adjusting coefficient Kf2, a third ultrasonic frequency adjusting coefficient Kf3, a fourth ultrasonic frequency adjusting coefficient Kf4, Kf1 and Kf2 and Kf3 and Kf4 and 2, respectively,

when the rotating speed of the stirring paddle is V2 and F is larger than Fmax, the central control processor selects a corresponding ultrasonic frequency adjusting coefficient according to the difference between the actual particle dispersion coefficient F and the maximum value Fmax of the particle dispersion coefficient range to adjust the ultrasonic frequency of the ultrasonic vibrator,

when the Δ F1 is less than or equal to F2, the central processor selects Kf1 to adjust the ultrasonic vibration frequency,

when the Δ F2 is less than or equal to F3, the central processor selects Kf2 to adjust the ultrasonic vibration frequency,

when the Δ F3 is less than or equal to F4, the central processor selects Kf3 to adjust the ultrasonic vibration frequency,

when the Δ F is equal to F4, the central processor selects Kf4 to adjust the ultrasonic vibration frequency,

when the central processor selects Kfi to adjust the ultrasonic vibration frequency, i =1, 2, 3, 4 is set, and the central processor sets the adjusted ultrasonic vibration frequency to ω 2 and sets ω 2= P1 × Kfi.

Further, in the step b, the central processor is further provided with a difference in compatibility coefficient, a delta in co-solvent addition amount and an amount of asphalt addition, the difference in compatibility coefficient includes a first difference in compatibility coefficient E1, a second difference in compatibility coefficient E2, a third difference in compatibility coefficient E3, a fourth difference in compatibility coefficient E4, E1 < [ delta ] E2 < [ delta ] E3 < [ delta ] E4, the co-solvent qualities include a first co-solvent addition amount Mc1, a second co-solvent addition amount Mc2, a third co-solvent addition amount Mc3, a fourth co-solvent addition amount Mc4, an Mc1 < Mc3 < Mc4, the asphalt quality includes a first asphalt maaandala addition amount 1, a second asphalt addition amount maΔ 2, a third asphalt addition amount maaala addition amount 68628, a fourth asphalt addition amount maaandala 8656,

when modified asphalt is prepared, the central control processor calculates the actual dispersion coefficient F of the modifier in the asphalt according to the data detected by the ultrasonic probe, if F belongs to F0, the dispersion of the modifier in the asphalt is judged to reach the standard, the central control processor calculates the actual compatibility coefficient E, if E belongs to E0, the central control processor judges that the compatibility reaches the standard, if E ∉ E0 and E > Emax, the central control processor judges that the compatibility does not reach the standard, the central control processor calculates the difference E between the actual compatibility coefficient E and the maximum Emax in the compatibility coefficient range E0 by comparison, selects the corresponding asphalt addition quantity Ma according to the difference to adjust and increase the quantity of the asphalt so as to adjust the compatibility coefficient, and sets E = E-Emax,

when the Δ E1 is less than or equal to the E2, the middle control processor selects the Δ Ma1 to adjust the amount of the increased asphalt,

when the Δ E2 is less than or equal to the E3, the middle control processor selects the Δ Ma2 to adjust the amount of the increased asphalt,

when the Δ E3 is less than or equal to the E4, the middle control processor selects the Δ Ma3 to adjust the amount of the increased asphalt,

when E is equal to E4, the central processor selects Ma4 to adjust the amount of the added asphalt,

when the middle control processor selects the Δ Mai to adjust the amount of the added asphalt, the adjusted amount of the asphalt is Ma ', and Ma' = Ma +/Mai is set;

when E ∉ E0 and E < Emin, the central processor determines that the compatibility of the modified asphalt mixture does not reach the standard, the central processor calculates the minimum value Δ E 'between the actual compatibility coefficient E and the compatibility coefficient range E0 of the modified asphalt mixture by comparison, selects and adds the corresponding mass of the latent solvent according to the difference value to adjust the compatibility coefficient, sets the Δ E' = Emin-E,

when the Δ E1 is less than or equal to E2, the central processor is added with a cosolvent of Mc1 mass,

when the Δ E2 is less than or equal to E3, the central processor selects a cosolvent with the mass of Mc2,

when the Δ E3 is less than or equal to E4, the central processor selects a cosolvent with the mass of Mc3,

when the E' is equal to E4, the central processor selects the cosolvent with the mass of Mc 4.

Further, when the compatibility coefficient is in the compatibility coefficient range after the mixed material is adjusted, the central processor controls the ultrasonic detector to detect the particle dispersion degree of the mixed material again, if F is equal to F0, the central processor controls the viscosity detector to detect the viscosity of the mixed material, and if F ∉ F0, the central processor controls the mixed material to be adjusted again until the dispersion degree and the compatibility reach the standard.

Further, the central processor is further provided with a viscosity difference and a temperature adjustment amount, the viscosity difference includes a first viscosity difference N1, a second viscosity difference N2, a third viscosity difference N3, a fourth viscosity difference N4, an N1 smaller than an Δ N2 smaller than an Δ N3 smaller than an Δ N4, the temperature adjustment amount includes a first temperature adjustment amount T1, a second temperature adjustment amount T2, a third temperature adjustment amount T3, a fourth temperature adjustment amount T4, an E T1T 2 smaller than an Δ T3 smaller than T4,

when F is equal to F0 and E is equal to E0, the central processor controls the viscosity detector to detect the actual viscosity N of the modified asphalt mixture, if N is equal to N0, the central processor judges that the asphalt modification is finished, if N ∉ N0, the central processor compares the actual viscosity N with the viscosity range N0, when N is larger than Nmax, the central processor calculates the difference N between the actual viscosity N and the maximum value Nmax of the viscosity range, and selects a corresponding temperature regulating quantity to regulate and increase the temperature T1 of the mixture according to the difference,

when the Δ N1 is less than or equal to N2, the middle control processor selects T1 to adjust the temperature and heat the mixed material,

when the Δ N2 is less than or equal to N3, the middle control processor selects T2 to adjust the temperature and heat the mixed material,

when the Δ N3 is less than or equal to N4, the middle control processor selects T3 to adjust the temperature and heat the mixed material,

when N is equal to N4, the central processor selects T4 to increase the temperature and heat the mixed material,

when the central processor selects Ti to adjust the temperature, i =1, 2, 3, 4 is set, the adjusted heating temperature is T1 ', and T1' = T1 +. Ti is set.

When N is less than Nmin, the central control processor calculates the difference N between the actual viscosity N and the minimum value Nmin of the viscosity range, and selects a corresponding temperature regulating quantity to regulate and reduce the temperature T of the mixed material according to the difference,

when the Δ N1 is less than or equal to N2, the central processor selects T1 to adjust the temperature and heat the mixed material,

when the Δ N2 is less than or equal to N3, the central processor selects T2 to adjust the temperature and heat the mixed material,

when the Δ N3 is less than or equal to N4, the central processor selects T3 to adjust the temperature and heat the mixed material,

when the Δ N is N4, the central processor selects the Δ T4 to adjust the temperature and heat the mixed material,

when the control processor selects Δ Ti to adjust the increase temperature, i =1, 2, 3, 4 is set, the adjusted heating temperature is T1 ', and T1' = T- "is set.

Further, in the step c, the central processor is further provided with a total mass of mixed materials and an increment of stabilizer, the total mass of the mixed materials comprises a total mass of the first mixed material M1, a total mass of the second mixed material M2, a total mass of the third mixed material M3, a total mass of the fourth mixed material M4, the total mass of the mixed materials are increased in sequence, the increment of stabilizer comprises a first increment of Δ Mc1, a second increment of Δ Mc2, a third increment of Δ Mc3, a fourth increment of Δ Mc4, an increment of Mc1 less than Δ Mc2 less than Δ Mc3 less than Δ Mc4,

when the central processor determines that the actual particle dispersion degree of the modifier in the asphalt reaches the standard particle dispersion coefficient range, the compatibility reaches the standard compatibility coefficient range and the viscosity reaches the standard viscosity range, the central processor controls to convey the mixed material to a screw extruder and add the mass of the stabilizer corresponding to the total mass of the mixed material,

when the total mass Mi of the mixed materials is mixed, the central processor controls the addition of Mci masses of stabilizer, and i =1, 2, 3 and 4 is set.

The invention provides a high-temperature-resistant modified asphalt waterproof coiled material prepared by the preparation method, which comprises a bottom film layer, a lower modified asphalt layer, a lower isolation layer, a base course layer, an upper isolation layer and an upper modified asphalt layer, and is characterized in that the bottom film layer is a waterproof breathable film, the lower isolation layer and the upper isolation layer are PE films, the base course layer is one of polyethylene, polyester fiber or glass fiber polyester felt, and the lower modified asphalt layer and the upper modified asphalt layer are asphalt modified by one of a modifier, namely poly-p-xylene, polyimide and SBS.

Compared with the prior art, the invention has the advantages that through the standard dispersity coefficient range, the standard compatibility coefficient range and the standard viscosity range in the central control processor, when the high-temperature resistant modified asphalt waterproof coiled material is prepared, the central control processor compares the actual dispersion coefficient with the standard dispersion coefficient range, compares the actual compatibility coefficient with the standard compatibility coefficient range, compares the actual viscosity with the standard viscosity range, judges whether the modified asphalt reaches the standard according to the comparison result, if not, the central processor adjusts various parameters in the modification process in real time so that the actual dispersion coefficient, the compatibility coefficient and the viscosity reach the range, and the accurate control of the asphalt mixing condition in the asphalt modification process is improved, thereby further improving the quality of the prepared waterproof coiled material.

Furthermore, through a plurality of asphalt types, modifier types and use requirement types, the central control processor can select and prepare the required asphalt types and modifier types according to different actual use requirements, the asphalt types and modifier types are determined, the quality of the modifier and the quality of the asphalt are determined according to the quality of the prepared waterproof coiled material, the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the prepared waterproof coiled material is further improved.

Furthermore, the central processor is used for detecting and calculating the mixed materials in real time, and judging whether the asphalt modification is finished or not according to the detection and calculation results, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the prepared waterproof coiled material is further improved.

Furthermore, the central processor adjusts and increases the rotating speed of the stirring paddle or adjusts and increases the quality of the modifier, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the prepared waterproof roll is further improved.

Furthermore, after the central processor adjusts the rotating speed of the stirring paddle, the particle dispersion coefficient is smaller than the minimum value of the standard particle dispersion coefficient range, the central processor controls and adjusts the ultrasonic frequency, and the accurate control of the asphalt mixing condition in the asphalt modification process is improved through the adjustment of the ultrasonic frequency, so that the quality of the prepared waterproof coiled material is further improved.

Further, when the dispersion degree of the particles reaches the standard, the central control processor detects and calculates the actual compatibility coefficient of a mixed material consisting of the modifier and the asphalt, compares the actual compatibility coefficient with the standard compatibility coefficient range, judges whether the compatibility of the mixed material reaches the standard according to the comparison result, and controls and adjusts the addition of the asphalt or the addition of the cosolvent through the central control processor to enable the compatibility to reach the standard if the compatibility does not reach the standard, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the prepared waterproof coiled material is further improved.

And further, the dispersion coefficient is detected again through the central processor, if the dispersion in the detection result does not reach the standard, the central processor controls to adjust the dispersion and the compatibility again until the dispersion and the compatibility reach the standard, and the central processor controls the viscosity detector to detect the viscosity of the mixed material, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the prepared waterproof coiled material is further improved.

Further, the central control processor is used for comparing the actual viscosity with the standard viscosity range, if the actual viscosity does not belong to the standard viscosity range, the central control processor controls and adjusts the temperature of the mixed material to enable the actual viscosity to belong to the standard viscosity range, when the actual viscosity belongs to the standard viscosity range, the central control processor is judged to judge that the asphalt modification is finished, the temperature is adjusted to enable the viscosity to reach the standard range, the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and therefore the quality of the prepared waterproof coiled material is further improved.

Furthermore, the modified asphalt is added with the stabilizer through the screw extruder and then is melted and extruded, so that the stability of the modified asphalt is improved, and the quality of the prepared waterproof coiled material is further improved.

Furthermore, the waterproof coiled material prepared by the preparation method of the high-temperature-resistant modified asphalt waterproof coiled material is coated by a basic coating method, so that the quality of the prepared waterproof coiled material is greatly improved on the basis of high temperature resistance.

Drawings

FIG. 1 is a schematic structural diagram of a preparation device for the preparation method of the high temperature resistant modified asphalt waterproof roll;

FIG. 2 is a flow chart of a preparation method of the high temperature resistant modified asphalt waterproof roll material of the invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Fig. 1 is a schematic structural diagram of a manufacturing apparatus for a method of manufacturing a high temperature resistant modified asphalt waterproof roll according to the present invention; the preparation device of the high-temperature-resistant modified asphalt waterproof coiled material comprises:

the storage bin 10 comprises a first storage bin 101 and a second storage bin 102, and is used for containing and weighing raw materials required by preparing modified asphalt according to use requirements;

the high-speed shearing machine 20 comprises a first motor 201, an ultrasonic vibrator 202, a viscosity detector 203, a temperature sensor 204, a first feeding hole 205, a second feeding hole 206, a spiral stirring paddle 207, an ultrasonic probe 208, a first discharging hole 209 and a second discharging hole 210, and is used for preparing modified asphalt;

a screw extruder 30, which comprises a second motor 301, a twin-screw mechanism 302, a third feeding port 303, a fourth feeding port 304 and a third discharging port 305, and is used for melt-extruding the prepared modified asphalt;

the central control processor 40 is used for controlling the stock bin to weigh raw materials according to use requirements, receiving data detected by the temperature sensor and data detected by the ultrasonic probe in real time, and controlling the rotating speed of the stirring paddle, the heating temperature of the shearing machine and the vibration frequency of the ultrasonic vibrator and controlling the temperature of the screw extruder and the rotating speed of the screw according to the detected data;

specifically, the central control processor 40 is electrically connected to the silo 10, the high-speed shearing machine 20 and the screw extruder 30, respectively, the first silo 101 is connected to the first feeding port 205 of the high-speed shearing machine 20, the second silo 102 is connected to the second feeding port 206 of the high-speed shearing machine 20, and the fourth feeding port 304 of the screw extruder 30 is connected to the second discharging port 210 of the high-speed shearing machine 20;

when the high-speed shearing machine modifies the asphalt, the central control processor 40 controls the first storage bin 101 to weigh asphalt with the mass of Ma1 and add the asphalt into the high-speed shearing machine 20, the high-speed shearing machine 20 is heated to the temperature of T1 to completely melt the asphalt, when the asphalt is completely melted, the central control processor 40 controls the second storage bin 102 to weigh the modifier with the mass of Mb1 and add the modifier into the high-speed shearing machine 20, the first motor 201 is started to drive the stirring paddle 207 to rotate at the rotating speed of V1 to stir the mixed material for T1 time, when the mixed material is stirred for T1 time, the central control processor 40 detects the viscosity of the mixed material according to the viscosity detector 203, detects the dispersion condition and compatibility of the modifier particles in the asphalt through the ultrasonic probe 208, and when the viscosity, the dispersion condition and the compatibility of the particles reach the range, the central control processor judges that the asphalt is modified, and controls the modified asphalt to be conveyed to the high-speed shearing machine 20 through the first discharge port 209 and the In the screw extruder, a stabilizing agent with the quality of Mc is added through a third feeding hole 303, and a second motor is controlled to be started 301 so as to enable a screw 302 to rotate to mix the modified asphalt and the stabilizing agent for melt extrusion.

Fig. 2 is a flow chart of a method for manufacturing the high temperature resistant modified asphalt waterproof roll according to the present invention. The preparation method of the high-temperature-resistant modified asphalt waterproof coiled material provided by the embodiment of the invention comprises the following steps:

specifically, when the central processor completes the determination of the particle dispersion coefficient range F0, the compatibility coefficient range E0 and the viscosity range N0 and prepares modified asphalt, the central processor calculates the actual dispersion coefficient F of the modifier in the asphalt, when F ∉ F0, the central processor determines that the actual dispersion coefficient of the modifier in the asphalt does not reach the standard value, if F > Fmax, the central processor controls the motor according to the difference between F and Fmax to increase the rotating speed and/or ultrasonic frequency of the stirring paddle to the corresponding value, the central processor controls a silo to add the modifier to the high-speed shearing machine according to the difference between F and Fmin by increasing the rotating speed and/or ultrasonic frequency of the stirring paddle to make the actual dispersion coefficient of the modifier in the asphalt reach the standard particle dispersion coefficient range, if F < Fmin, increasing the proportion of the modifier in the raw materials to enable the actual dispersion coefficient of the modifier in the asphalt to reach the standard particle dispersion coefficient range; when F belongs to F0, the central processor judges that the actual dispersion degree of the modifier in the asphalt reaches the standard and calculates the actual compatibility coefficient E of the modified asphalt mixture, if E ∉ E0, the central processor judges that the actual compatibility of the modified asphalt mixture does not reach the standard, if E is less than Emin, the central processor controls to add a cosolvent into the modified asphalt mixture according to the difference value between E and Emin so as to ensure that the actual compatibility of the modified asphalt mixture reaches the standard, if E is more than Emax, the central processor controls to regulate the quality of the asphalt added into the modified asphalt mixture according to the difference value between E and Emax so as to ensure that the actual compatibility of the modified asphalt mixture reaches the standard, when E belongs to E0, the central processor controls to detect the actual dispersion degree again, if the dispersion degree of the modifier does not reach the standard in the asphalt actually, the central control processor readjusts the dispersion degree of the modifier in the asphalt and the compatibility of the modified asphalt mixture according to the actual dispersion degree coefficient F until the actual dispersion degree of the modifier in the asphalt and the actual compatibility of the modified asphalt mixture reach the standard, when F belongs to F0 and E belongs to E0, the central control processor controls a viscosity detector to detect the actual viscosity N of the mixture, when N ∉ N0, the central control processor judges that the actual viscosity of the modified asphalt mixture does not reach the standard, if N is less than Nmin, the central control processor controls to adjust and reduce the temperature of the modified asphalt mixture according to the difference between N and Nmin so that the actual viscosity of the modified asphalt mixture reaches the standard viscosity range, if N is more than Nmax, the central control processor controls to adjust and increase the temperature of the modified asphalt mixture according to the difference between N and Nmax so that the actual viscosity of the modified asphalt mixture reaches the standard viscosity range, when F is equal to F0, E is equal to E0 and N is equal to N0, the central processor judges that the asphalt modification is completed.

Specifically, through the standard dispersion coefficient range, the standard compatibility coefficient range and the standard viscosity range in the central control processor, when the high-temperature-resistant modified asphalt waterproof coiled material is prepared, the central control processor compares the actual dispersion coefficient with the standard dispersion coefficient range, compares the actual compatibility coefficient with the standard compatibility coefficient range and compares the actual viscosity with the standard viscosity range, judges whether the modified asphalt reaches the standard according to the comparison result, and if the modified asphalt does not reach the standard, the central control processor adjusts all parameters in the modification process in real time to enable the actual dispersion coefficient, the compatibility coefficient and the viscosity to reach the range, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the waterproof coiled material is further improved.

Specifically, in the step a of the embodiment, the asphalt can be selected from a plurality of labels, and in the invention, 90# asphalt and 100# asphalt are preferred, the mass is 50-200kg, and the heating temperature is 100-120 ℃; in the step b, the modifier is one of parylene, polyimide or SBS, and the mass is 5-10 kg; the stirring speed of the high-speed shearing machine is 90-115rpm, the ultrasonic frequency is 42-80Hz, the temperature is 180-230 ℃ after the temperature is raised, and the stirring time is 120-150 min; in the step c, the temperature is 120-200 ℃. The cosolvent is one of urea, nicotinamide and acetamide.

Preferably, in the embodiment of the present invention, the mass of the 90# asphalt is 50kg, the heating temperature is 105 ℃, the mass of the modifier parylene is 5kg, the stirring speed of the high speed shearing machine is 110rpm, the ultrasonic frequency is 42Hz, the post-warming temperature is 180 ℃, the stirring time is 120min, and the extrusion temperature is 125 ℃.

Preferably, in the embodiment of the present invention, the mass of the 90# asphalt is 100kg, the heating temperature is 110 ℃, the mass of the modifier parylene is 6.54kg, the stirring speed of the high-speed shearing machine is 115rpm, the ultrasonic frequency is 42Hz, the temperature after temperature rise is 180 ℃, the stirring time is 120min, and the extrusion temperature is 125 ℃.

Preferably, in the embodiment of the present invention, the mass of the 90# asphalt is 150kg, the heating temperature is 115 ℃, the mass of the modifier parylene is 7.25kg, the stirring speed of the high-speed shearing machine is 115rpm, the ultrasonic frequency is 45Hz, the temperature after temperature rise is 180 ℃, the stirring time is 130min, and the extrusion temperature is 120 ℃.

Preferably, in the embodiment of the present invention, the mass of the 90# asphalt is 200kg, the heating temperature is 120 ℃, the mass of the modifier is 8kg, the stirring speed of the high-speed shearing machine is 115rpm, the ultrasonic frequency is 45Hz, the temperature after temperature rise is 180 ℃, the stirring time is 145min, and the extrusion temperature is 120 ℃.

Preferably, in the embodiment of the present invention, the mass of the 100# asphalt is 50kg, the heating temperature is 110 ℃, the mass of the modifier SBS is 5kg, the stirring speed of the high-speed shearing machine is 100rpm, the ultrasonic frequency is 45Hz, the temperature after temperature rise is 185 ℃, the stirring time is 120min, and the extrusion temperature is 125 ℃.

Preferably, in the embodiment of the invention, the mass of the 100# asphalt is 200kg, the heating temperature is 120 ℃, the mass of the modifier SBS is 10kg, the stirring speed of the high-speed shearing machine is 113rpm, the ultrasonic frequency is 60Hz, the temperature after temperature rise is 200 ℃, the stirring time is 140min, and the extrusion temperature is 150 ℃.

Preferably, in the embodiment of the invention, the mass of the 100# asphalt is 160kg, the heating temperature is 120 ℃, the mass of the modifier SBS is 8kg, the stirring speed of the high-speed shearing machine is 108rpm, the ultrasonic frequency is 55Hz, the temperature after temperature rise is 200 ℃, the stirring time is 138min, and the extrusion temperature is 150 ℃.

Referring to fig. 2, in the step a, an asphalt category Pa0, a modifier category and a use requirement category are further provided in the central processing unit, the asphalt category includes a first asphalt category Pa1, a second asphalt category Pa2, a third asphalt category Pa3 and a fourth asphalt category Pa4, the modifier category includes a first modifier category Pb1, a second modifier category Pb2, a third modifier category Pb3 and a fourth modifier category Pb4, the modifier category includes a first modifier category Pb1, a second modifier category Pb2, a third modifier category Pb3 and a fourth modifier category Pb4, the central processing unit selects the corresponding asphalt category and asphalt quality and modifier category according to the actual use requirement, and when the use requirement category Ai is set to i =1, 2, 3, 4, the central processor selects the asphalt category as Pai and the modifier category as Pbi.

Specifically, in the present embodiment, the asphalt types include 90# asphalt, 100# asphalt and 130# asphalt, the modifier types include parylene, polyimide and SBS, the usage requirement types include high temperature resistance, mass, length, width and the like of the prepared waterproof roll, and the waterproof roll, the modifier and the asphalt have a mass ratio of 1: 0.14: 0.78 or 1: 0.15:0.81.

Specifically, through a plurality of asphalt types, modifier types and use requirement types, the central control processor can select and prepare the required asphalt types and modifier types according to different actual use requirements, the asphalt types and modifier types are determined, the quality of the modifier and the quality of the asphalt are determined according to the quality of the prepared waterproof coiled material, the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the waterproof coiled material is further improved.

Continuing to refer to fig. 2, in the step b, when the high-speed shearing machine stirs the mixture at the rotation speed V1 and the vibration frequency ω 1 and vibrates for the time t1, the central processor calculates the actual dispersion coefficient F of the particles of the modifier in the asphalt, the actual compatibility coefficient E of the modified asphalt mixture, and the actual viscosity N of the mixture, and when F E F0, K E K0, and N E N0, the central processor determines that the modification of the asphalt is completed,

the actual particle dispersity coefficient F is calculated as F = Di/Dj, wherein Di is the average particle size of particles, Dj is the average distance between particles,

the calculation formula of the compatibility coefficient E is E = Mi/M + Vi/V + Di/Dj, wherein Mi is the molar mass of the modifier, M is the molar mass of the mixed material, Vi is the volume of the modifier, and V is the volume of the mixed material;

Specifically, the central processor detects the particle size and the particle distance according to the ultrasonic probe and calculates the actual particle dispersion coefficient, calculates the compatibility coefficient of the modified asphalt mixture according to the ratio of the molar mass of the added modifier to the modified asphalt mixture, the ratio of the volume of the added modifier to the modified asphalt mixture and the sum of the ratio of the particle size to the particle distance, and determines whether the asphalt modification is completed or not according to the detection and calculation results by the central processor according to the actual viscosity detected by the viscosity detector, thereby improving the accurate control of the asphalt mixing condition in the asphalt modification process and further improving the quality of the waterproof coiled material.

Continuing to refer to FIG. 2, the method for preparing the high temperature resistant modified asphalt waterproof coil of the embodiment of the invention includes step b, in which the central processor is further provided with a particle dispersion coefficient difference, a stirring paddle rotation speed adjustment coefficient and a modifier increase, the particle dispersion coefficient difference includes a first particle dispersion coefficient difference F1, a second particle dispersion coefficient difference F2, a third particle dispersion coefficient difference F3, a fourth particle dispersion coefficient difference F4, F1 < "F2 <" Δ F3 < "Δ F4, the stirring paddle rotation speed adjustment coefficients include a first stirring paddle rotation speed adjustment coefficient Kv1, a second stirring paddle rotation speed adjustment coefficient Kv2, a third stirring paddle rotation speed adjustment coefficient Kv3, a fourth stirring paddle rotation speed adjustment coefficient Kv4, 1 < Kv1 < Kv3 < Kv < 2 < the modifier increase, the increase of the second modifier Δ Mb2, the increase of the M third modifier b3, the increase of the fourth modifier Mb4, the Δ Mb1 </Mb 2 </Δ Mb3 </Δ Mb4,

when Kvi is selected to adjust the rotating speed of the stirring paddle, the central control processor sets the adjusted rotating speed of the stirring paddle to be V2, and sets V2= V1 xKvi;

when F is less than Fmin, the central processor selects a corresponding modifier increment according to the actual particle dispersion coefficient F and the difference value of the minimum particle dispersion coefficient Fmin, adds a modifier, sets F' = Fmax-F,

specifically, when the actual particle dispersity coefficient does not belong to the particle dispersity coefficient range, the central control processor adjusts and increases the rotating speed of the stirring paddle or adjusts and increases the quality of the modifier, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the waterproof coiled material is further improved.

Please refer to fig. 2, in the step b, the central processor further has an ultrasonic frequency adjustment coefficient, which includes a first ultrasonic frequency adjustment coefficient Kf1, a second ultrasonic frequency adjustment coefficient Kf2, a third ultrasonic frequency adjustment coefficient Kf3, a fourth ultrasonic frequency adjustment coefficient Kf4, 1 < Kf1 < Kf2 < Kf3 < Kf4 < 2, and specifically, when the rotation speed of the paddle is V2 and F < Fmin, the central processor selects a corresponding ultrasonic frequency adjustment coefficient to adjust the ultrasonic frequency of the ultrasonic vibrator according to the difference F between the actual particle dispersion coefficient F and the minimum value Fmin of the particle dispersion coefficient range,

when the central processor selects Kfi to adjust the ultrasonic vibration frequency, the central processor sets the adjusted ultrasonic vibration frequency to be ω 2, and sets ω 2= ω 1 × Kfi.

Specifically, after the central processor adjusts the rotating speed of the stirring paddle, the particle dispersion coefficient is smaller than the minimum value of the standard particle dispersion coefficient range, the central processor controls and adjusts the ultrasonic frequency, and the accurate control of the asphalt mixing condition in the asphalt modification process is improved through the adjustment of the ultrasonic frequency, so that the quality of the waterproof coiled material is further improved.

Please continue to refer to FIG. 2, the method for preparing the high temperature resistant modified asphalt waterproof coil of the embodiment of the invention includes steps b, the central processor is further provided with a difference in compatibility coefficient, an amount of addition of a cosolvent and an amount of addition of asphalt, the difference in compatibility coefficient includes a first difference in compatibility coefficient E1, a second difference in compatibility coefficient E2, a second difference in compatibility coefficient E3, a fourth difference in compatibility coefficient E4, an E1 < E2 < E3 < Δ E4, the quality includes a first cosolvent amount of addition Mc1, a second cosolvent amount of addition Mc2, a third cosolvent amount of addition Mc3, a fourth cosolvent amount of addition Mc4, an Mc1 < Mc2 < Mc3 < Mc4, the amount of asphalt includes a first cosolvent amount of addition, a maΔ 1, a second amount of addition maΔ Δ 12, a third amount of addition of Δ 1 < Mc 573 5 < Mc3 < Mc4, the amount of asphalt of addition of the first cosolvent of Δ 5956, a third amount of addition of asphalt<Δ5943,

specifically, when modified asphalt is prepared, the central control processor calculates the actual dispersion coefficient F of the modifier in the asphalt according to the data detected by the ultrasonic probe, if F belongs to F0, the dispersion of the modifier in the asphalt is judged to reach the standard, the central control processor calculates the actual compatibility coefficient E, if E belongs to E0, the central control processor judges that the compatibility reaches the standard, if E ∉ E0 and E is larger than Emax, the central control processor judges that the compatibility does not reach the standard, the central control processor calculates the difference E between the actual compatibility coefficient E and the maximum Emax in the compatibility coefficient range E0 by comparison, selects the corresponding asphalt addition quantity Ma according to the difference to adjust the quantity of the added asphalt to adjust the compatibility coefficient, and sets E = E-Emax,

when the central processor selects the Δ Mai to adjust the amount of the added asphalt, the adjusted amount of the asphalt is Ma ', and Ma' = Ma +. Max is set.

Specifically, when E ∉ E0 and E is less than Emin, the central processor determines that the compatibility of the modified asphalt mixture does not reach the standard, the central processor calculates the minimum difference E 'between the actual compatibility coefficient E of the modified asphalt mixture and the compatibility coefficient range E0 by comparison, selects the mass of the corresponding cosolvent according to the difference, sets E' = Emin-E,

Specifically, when the dispersion degree of the particles reaches the standard, the central control processor detects and calculates the actual compatibility coefficient of a mixed material consisting of the modifier and the asphalt, compares the actual compatibility coefficient with the standard compatibility coefficient range, judges whether the compatibility of the mixed material reaches the standard according to the comparison result, and controls and adjusts the addition of the asphalt or the addition of the cosolvent through the central control processor to enable the compatibility to reach the standard if the compatibility does not reach the standard, so that the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the waterproof coiled material is further improved.

Referring to fig. 2, in the preparation method of the high temperature resistant modified asphalt waterproof coiled material according to the embodiment of the present invention, after the mixed material is adjusted, when the compatibility coefficient is within the compatibility coefficient range, the central processor controls the ultrasonic detector to detect the particle dispersion degree of the mixed material again, if F belongs to F0, the central processor controls the viscosity detector to detect the viscosity of the mixed material, and if F ∉ F0, the central processor controls the viscosity detector to adjust the dispersion degree and the compatibility of the mixed material again until the dispersion degree and the compatibility reach the standard.

Specifically, when the central processor controls the addition of asphalt or the addition of a cosolvent, and the compatibility coefficient is within the compatibility coefficient range, the central processor detects the dispersion coefficient again, if the dispersion in the detection result does not reach the standard, the central processor controls the dispersion and the compatibility to be adjusted again until the dispersion and the compatibility reach the standard, the central processor controls a viscosity detector to detect the viscosity of the mixed material, the accurate control of the asphalt mixing condition in the asphalt modification process is improved, and the quality of the waterproof coiled material is further improved.

Please continue to refer to fig. 2, the method for preparing the high temperature resistant modified asphalt waterproof coil of the embodiment of the invention, in step b, the central processor is further provided with a viscosity difference and a temperature adjustment amount, the viscosity difference includes a first viscosity difference N1, a second viscosity difference N2, a third viscosity difference N3, a fourth viscosity difference N4, an Δ N1 less than Δ N2 less than Δ N3, the temperature adjustment amount includes a first temperature adjustment amount Δ T1, a second temperature adjustment amount T2, a third temperature adjustment amount T3, a fourth temperature adjustment amount Δ T4, an Δ T1 less than Δ N4, a T2 less than Δ T3T 4,

specifically, when the initial temperature of the high-speed shearing machine is T1, F is F0 and E is E0, the central control processor controls the viscosity detector to detect the actual viscosity N of the modified asphalt mixture, if N is N0, the central control processor judges that the asphalt modification is finished, if N ∉ N0, the central control processor compares the actual viscosity N with the viscosity range N0, when N is more than Nmax, the central control processor calculates the difference N between the actual viscosity N and the maximum value Nmax of the viscosity range, and selects the corresponding temperature regulating quantity to regulate and increase the temperature T1 of the mixture according to the difference,

Specifically, when N is less than Nmin, the central control processor calculates the difference N between the actual viscosity N and the minimum value Nmin of the viscosity range, selects a corresponding temperature regulating quantity according to the difference to regulate and reduce the temperature T1 of the mixed material,

when the central processor selects Δ Ti to adjust the increasing temperature, i =1, 2, 3, 4 is set, the adjusted heating temperature is T1 ', and T1' = T1- Δ Ti is set.

Specifically, when the particle dispersity and the compatibility of the mixed material reach the standard, the central control processor controls the viscosity detector to detect the viscosity of the mixed material, compares the actual viscosity with the standard viscosity range, and controls and adjusts the temperature of the mixed material to make the actual viscosity belong to the standard viscosity range if the actual viscosity does not belong to the standard viscosity range according to the comparison result.

Please continue to refer to fig. 2, the method for preparing the high temperature resistant modified asphalt waterproofing membrane of the embodiment of the invention further includes steps of c, the central processor further includes total mass of mixed materials and stabilizer increment, the mass of the mixed materials includes the total mass of the first mixed material M1, the total mass of the second mixed material M2, the total mass of the third mixed material M3, the total mass of the fourth mixed material M4, the stabilizer increment includes a first stabilizer increment of deltamc 1, a second stabilizer increment of deltamc 2, a third stabilizer increment of deltamc 3, a fourth stabilizer increment of mce 4, Mc1 smaller than deltamcaandate 2 smaller than Mc3 smaller than Mc4,

specifically, when the central processor determines that the actual particle dispersion degree of the modifier in the asphalt reaches the standard particle dispersion coefficient range, the compatibility reaches the standard compatibility coefficient range and the viscosity reaches the standard viscosity range, the central processor controls to convey the mixed material to a screw extruder and add the mass of the stabilizer corresponding to the total mass of the mixed material,

Specifically, the modified asphalt is added with the stabilizer through the screw extruder and then is subjected to melt extrusion, so that the stability of the modified asphalt is improved, and the quality of the waterproof coiled material is further improved.

As shown in fig. 1 and fig. 2, the high temperature resistant modified asphalt waterproof roll prepared by the preparation method of the high temperature resistant modified asphalt waterproof roll according to the embodiment of the present invention includes a bottom film layer, a lower modified asphalt layer, a lower isolation layer, a base course layer, an upper isolation layer, and an upper modified asphalt layer, where the bottom film layer is a waterproof and breathable film, the lower isolation layer and the upper isolation layer are PE films, the base course layer is one of polyethylene, polyester fiber, or glass fiber polyester felt, and the lower modified asphalt layer and the upper modified asphalt layer are asphalt modified by one of modifier selected from parylene, polyimide, and SBS.

Specifically, the waterproof coiled material prepared by the preparation method of the high-temperature-resistant modified asphalt waterproof coiled material is coated by a basic coating method, so that the quality of the waterproof coiled material is greatly improved on the basis of high temperature resistance.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A preparation method of a high-temperature-resistant modified asphalt waterproof coiled material is characterized by comprising the following steps:

2. The method for preparing a high temperature resistant modified asphalt waterproof coiled material according to claim 1, wherein in the step a, an asphalt category, a modifier category and a use requirement category are further provided in the central processor, the asphalt category comprises a first asphalt category Pa1, a second asphalt category Pa2, a third asphalt category Pa3 and a fourth asphalt category Pa4, the modifier category comprises a first modifier category Pb1, a second modifier category Pb2, a third modifier category Pb3 and a fourth modifier category Pb4, the modifier category comprises a first modifier category Pb1, a second modifier category Pb2, a third modifier category Pb3 and a fourth modifier category Pb4, the central processor selects the corresponding asphalt category and asphalt quality and modifier category according to actual use requirements, and when the use requirement category Ai is set i =1, 2, 3, 4, the central processor selects the asphalt species as Pai and the modifier species as Pbi.

3. The preparation method of the high temperature resistant modified asphalt waterproof coiled material according to claim 1, characterized in that in the step b, when the high speed shearing machine stirs the mixture at a rotation speed V1 and a vibration frequency omega 1 and vibrates for a time t1, the central control processor calculates the actual dispersion coefficient F of the modifier in the asphalt, the actual compatibility coefficient E of the modified asphalt mixture and the actual viscosity N of the detected mixture, when F epsilon F0, K epsilon K0 and N epsilon N0, the central control processor judges that the asphalt modification is completed,

the calculation formula of the compatibility coefficient E is E = Mi/M + Vi/V + Di/Dj, wherein Mi is the molar mass of the modifier, Mj is the molar mass of the mixed material, Vi is the volume of the modifier, Vj is the volume of the mixed material,

4. The preparation method of the high-temperature-resistant modified asphalt waterproof coiled material according to claim 3, wherein in the step a, the asphalt is 90# asphalt or 100# asphalt, the mass is 50-200kg, and the heating temperature is 100-120 ℃; in the step b, the modifier is one of parylene, polyimide or SBS, the mass is 5-10kg, the stirring speed of the high-speed shearing machine is 90-115rpm, the ultrasonic frequency is 42-80Hz, the temperature after heating is 180-230 ℃, the stirring time is 120-150min, in the step c, the temperature is 120-200 ℃, and the cosolvent is one of urea, nicotinamide and acetamide.

5. The method for preparing high temperature resistant modified asphalt waterproof roll according to claim 4, wherein in step b, the central processor is further provided with a particle dispersion coefficient difference, a stirring paddle rotation speed adjustment coefficient and a modifier increase, the particle dispersion coefficient difference includes a first particle dispersion coefficient difference F1, a second particle dispersion coefficient difference F2, a third particle dispersion coefficient difference F3, a fourth particle dispersion coefficient difference F4, an Δ F1 <ΔF2 < ΔF3 < ΔF4, the stirring paddle rotation speed adjustment coefficients include a first stirring paddle rotation speed adjustment coefficient Kv1, a second stirring paddle rotation speed adjustment coefficient Kv2, a third stirring paddle rotation speed adjustment coefficient Kv3, a fourth stirring paddle rotation speed adjustment coefficient Kv4, a third stirring paddle rotation speed adjustment coefficient Kv3, a fourth stirring paddle rotation speed adjustment coefficient Kv 961 < Kv 9636 < Kv3, and the modifier increase < Mb2 < the first stirring paddle rotation speed adjustment coefficient Kv < 2, the increase of the second modifier Δ Mb2, the increase of the M third modifier b3, the increase of the fourth modifier Mb4, the Δ Mb1 </Mb 2 </Δ Mb3 </Δ Mb4,

the central processor is also provided with ultrasonic frequency adjusting coefficients which comprise a first ultrasonic frequency adjusting coefficient Kf1, a second ultrasonic frequency adjusting coefficient Kf2, a third ultrasonic frequency adjusting coefficient Kf3 and a fourth ultrasonic frequency adjusting coefficient Kf4, Kf1 is more than 1 and Kf2 and Kf3 and Kf4 and 2,

6. The method for preparing high temperature resistant modified asphalt waterproofing membrane according to claim 1, characterized in that in step b, the central processor is further provided with a difference in compatibility coefficient, an amount of added cosolvent, and an amount of added asphalt, the difference in compatibility coefficient includes a first difference in compatibility coefficient E1, a second difference in compatibility coefficient E2, a second difference in compatibility coefficient E3, a fourth difference in compatibility coefficient E4, an E6 <ΔE2 < Δ E3 < Δ E4, the quality of the cosolvent includes a first quantity of Mc1, a second quantity of Mc2, a third quantity of Mc3, a fourth quantity of Mc4, Mc1 < 573 5 < Mc3 < Mc4, the amount of added asphalt includes a first quantity of Ma1, a second quantity of added asphalt Δ 5943, a third quantity of added Ma 5956, a third quantity of added Ma Δ 862, <thesecond quantity of asphalt Δ 5926,

7. The preparation method of the high-temperature-resistant modified asphalt waterproof coiled material as claimed in claim 6, wherein when the compatibility coefficient is within the compatibility coefficient range after the mixed material is adjusted, the central processor controls the ultrasonic detector to re-detect the particle dispersion degree of the mixed material, if F is F0, the central processor controls the viscosity detector to detect the viscosity of the mixed material, and if F ∉ F0, the central processor controls the mixed material to re-adjust the dispersion degree and the compatibility until the dispersion degree and the compatibility reach the standard.

8. The method for preparing the high temperature resistant modified asphalt waterproof coil material according to claim 7, characterized in that the central processor is further provided with viscosity differences and temperature adjustment amounts, the viscosity differences include a first viscosity difference N1, a second viscosity difference N2, a third viscosity difference N3, a fourth viscosity difference N4, an Δ N1 <, an N2 <, an Δ N3 <, an N4, the temperature adjustment amounts include a first temperature adjustment amount Δ T1, a second temperature adjustment amount Δ T2, a third temperature adjustment amount T3, a fourth temperature adjustment amount T4, an Δ T1 <, an T2 <, an T3 <, an T4,

when the initial temperature of the high-speed shearing machine is T1, F is F0 and E is E0, the central processor controls the viscosity detector to detect the actual viscosity N of the modified asphalt mixture, if N is N0, the central processor judges that the asphalt modification is finished, if N ∉ N0, the central processor compares the actual viscosity N with the viscosity range N0, when N is more than Nmax, the central processor calculates the difference N between the actual viscosity N and the maximum value Nmax of the viscosity range, and selects the corresponding temperature regulating quantity to regulate and increase the temperature T1 of the mixture according to the difference,

when the central processor selects Ti to adjust the temperature, i =1, 2, 3, 4 is set, the adjusted heating temperature is T1 ', T1' = T1 +. Ti is set, when N is less than Nmin, the central processor calculates the difference between the actual viscosity N and the minimum value Nmin of the viscosity range, Δ N is selected according to the difference, the temperature of the mixed material is adjusted to be reduced by T1,

9. The method for preparing high temperature resistant modified asphalt waterproof roll as claimed in claim 8, characterized in that, in the step c, the central processor is further provided with total mass of mixed materials and stabilizer increment, the mass of the mixed materials includes total mass of the first mixed material M1, total mass of the second mixed material M2, total mass of the third mixed material M3, total mass of the fourth mixed material M4, the total mass of the mixed materials are increased in order, the stabilizer increment includes a first stabilizer increment Mc1, a second stabilizer increment Mc2, a third stabilizer increment Mc3, a fourth stabilizer increment Mc4, Mc1 < "Mc 2 <" Mc3 < "Mc 4,

10. The high-temperature-resistant modified asphalt waterproof coiled material prepared by the preparation method of claims 1-9 comprises a bottom film layer, a lower modified asphalt layer, a lower isolation layer, a base course layer, an upper isolation layer and an upper modified asphalt layer, wherein the bottom film layer is a waterproof breathable film, the lower isolation layer and the upper isolation layer are PE films, the base course layer is one of polyethylene, polyester fiber or glass fiber polyester felt, and the lower modified asphalt layer and the upper modified asphalt layer are asphalt modified by one of a modifier of parylene, polyimide and SBS.