CN110564169A - Preparation method of high-viscosity high-elasticity asphalt - Google Patents
Preparation method of high-viscosity high-elasticity asphalt Download PDFInfo
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- CN110564169A CN110564169A CN201910879065.0A CN201910879065A CN110564169A CN 110564169 A CN110564169 A CN 110564169A CN 201910879065 A CN201910879065 A CN 201910879065A CN 110564169 A CN110564169 A CN 110564169A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/51—Methods thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/57—Mixing high-viscosity liquids with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
- B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/38—Mixing of asphalt, bitumen, tar or pitch or their ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
the invention relates to the field of asphalt production, in particular to a preparation method of high-viscosity high-elasticity asphalt, wherein a preparation device adopted by the preparation method comprises a tank body, the left end of the tank body is provided with an exhaust pipe, the tank body is fixedly connected with an air purification box through the exhaust pipe, the top of the tank body is fixedly connected with a driving motor, the end part of an output shaft of the driving motor is connected with a stirring shaft through a coupling in a transmission manner, the lower end of the stirring shaft is positioned in the tank body, the middle part of the stirring shaft is fixedly connected with an annular stirring paddle, the two ends of the annular stirring paddle are fixedly connected with stirring blades, and the outside of; the exhaust pipe is used for decompressing the tank body, the decompressed gas is introduced into the air purification box, and the exhausted gas is filtered by the air purification box to remove harmful gas in the air, so that the aim of purifying the exhausted gas is fulfilled, and the surrounding air quality is guaranteed.
Description
Technical Field
The invention relates to the field of asphalt production, in particular to a preparation method of high-viscosity high-elasticity asphalt.
background
The changes of the service environment provide a serious challenge to the performance of the petroleum asphalt, and the petroleum asphalt is modified to adapt to the rigorous service requirements, which arouses attention of people, and the modified asphalt is an asphalt binder prepared by adding external additives such as rubber, resin, high polymer, ground rubber powder or other fillers or by taking measures such as mild oxidation processing of the asphalt and the like to improve the performance of the asphalt or asphalt mixture.
The high-viscosity high-elasticity asphalt is in a molten state and has strong viscosity, so that the stirring state of the asphalt cannot be changed under a fixed heat preservation condition, the uniformity of the asphalt is critical to the use of the asphalt, the currently used stirring device has poor dispersion effect and is easy to deposit, so that the quality of a produced product is poor, large pressure can be generated in the stirring process, the stirring tank needs to be decompressed irregularly, the gas is directly exhausted by a common method, the exhausted gas generally contains irritant and harmful substances, the surrounding air quality can be influenced by the direct exhaust, and the stirred mixture is easy to block an outlet and is not easy to convey.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation method of high-viscosity high-elasticity asphalt.
the technical scheme adopted by the invention for solving the technical problems is as follows: a preparation method of high-viscosity high-elasticity asphalt comprises the following steps:
s1: selecting raw materials: selecting the following raw materials in percentage by weight: 6 to 6.5 percent of compatilizer, 4.5 to 5 percent of rubber particles, 5 to 6 percent of SBS modifier, 2 to 5 percent of viscosity regulator, 0.2 to 0.5 percent of stabilizer and the balance of matrix asphalt;
S2: heating the base asphalt weighed in proportion in S1 to 185-190 ℃, adding the compatilizer and the rubber particles into the base asphalt in proportion, putting the mixture into a preparation device, controlling the temperature to be 185-190 ℃, and stirring and circularly shearing the mixture until the rubber particles are fine and uniform;
S3: adding the SBS modifier into the preparation device in S2 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
S4: adding the viscosity regulator into a preparation device in S3 in proportion, controlling the temperature to be 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
s5: slowly adding the stabilizer into a preparation device in S4 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing for 15-20 minutes to obtain high-viscosity asphalt;
The preparation facilities who adopts in above-mentioned S2 includes a jar body, the bottom of jar body is equipped with the blast pipe, and just through blast pipe fixedly connected with air purification box, the top fixedly connected with driving motor of the jar body, driving motor' S output shaft tip has the (mixing) shaft through the shaft coupling transmission, and the lower extreme of (mixing) shaft is located the jar internally, the middle part fixedly connected with annular stirring rake of (mixing) shaft, the both ends fixedly connected with stirring vane of annular stirring rake, the outside fixedly connected with of the jar body presss from both sides the cover, the bottom of the jar body is equipped with the discharge gate, and just through discharge gate fixedly connected with discharge mechanism.
specifically, the middle part fixedly connected with discharge valve of blast pipe, air purification case's right side is equipped with the import, and is connected with the blast pipe through the import, air purification case's left side is equipped with the export, air purification case's inside is equipped with from the right side to a left side in proper order and just imitates filter screen board, active carbon filter screen board and photocatalyst filter screen board.
Specifically, the bottom fixedly connected with support of the jar body, discharge mechanism sets up on the crossbeam of support.
Specifically, the left end top of the jar body is equipped with level gauge and electronic thermometer from a left side to the right side in proper order, it is internal that the sense terminal of level gauge and electronic thermometer all extends to the jar, the right-hand member top of the jar body is equipped with modifier feed pipe and feeder hopper from a left side to the right side in proper order.
Specifically, the stirring blades distributed at two ends of the annular stirring paddle are arranged in a staggered mode, and conical teeth are uniformly distributed on the surfaces of the stirring blades.
Specifically, the left side of the jacket is provided with a heat source inlet, the middle of the heat source inlet is fixedly connected with a first shutoff valve, the right side of the jacket is provided with a heat source outlet, and the middle of the heat source outlet is fixedly connected with a second shutoff valve.
specifically, discharge mechanism's top is equipped with the surge bin, and is connected with the discharge gate through the surge bin, the middle part fixedly connected with valve in surge bin.
specifically, the discharging mechanism comprises a material conveying cylinder, a rotating motor, a connecting shaft and a spiral blade, wherein a discharging opening is formed in the left side of the material conveying cylinder, the rotating motor is fixedly installed on the right side of the material conveying cylinder, the connecting shaft and the spiral blade are located in the material conveying cylinder, the spiral blade is fixedly installed on the connecting shaft, and the connecting shaft is in transmission connection with the end part of an output shaft of the rotating motor through a coupler; the rotating motor and install the flabellum between the connecting axle, just the flabellum communicates with the export.
The invention has the beneficial effects that:
(1) according to the preparation method of the high-viscosity high-elasticity asphalt, the exhaust pipe is communicated with the fan blades, when gas needs to be discharged when internal pressure is too high, the fan blades are driven by the gas to drive the connecting shaft to rotate, the connecting shaft is conveniently used for pressure relief of the tank body, the decompressed gas is introduced into the air purification box, the discharged gas is filtered by the air purification box, harmful gas in the air is removed, the purpose of purifying the discharged gas is achieved, the surrounding air quality is guaranteed, and meanwhile, residual materials on the spiral blades can be removed.
(2) According to the preparation method of the high-viscosity high-elasticity asphalt, materials can be stirred without dead angles through the annular stirring paddle and the stirring blades, the stirring uniformity is improved, and meanwhile, the conical teeth on the stirring blades can form a good shearing effect on the flowing materials at a high speed, so that the purpose of quick and efficient stirring is achieved.
(3) According to the preparation method of the high-viscosity high-elasticity asphalt, after the discharging mechanism operates, the spiral blades are driven by the rotary motor arranged on the discharging mechanism to quickly discharge materials to be output, the materials can be stirred in the discharging process, so that the materials are always in a flowing state, the blockage during the material output can be avoided, and the phenomenon of unstable yield caused by frequent shutdown and rush repair due to the blockage can be avoided.
Drawings
the invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic structural view of a manufacturing apparatus used in the present invention;
FIG. 3 is a schematic view of the internal structure of a manufacturing apparatus used in the present invention;
FIG. 4 is a schematic view showing the internal structure of an air purification box in a manufacturing apparatus used in the present invention;
FIG. 5 is a front view of a stirring blade in the manufacturing apparatus used in the present invention;
FIG. 6 is a top view of a stirring blade in a manufacturing apparatus used in the present invention;
FIG. 7 is a schematic view of the internal structure of a discharging mechanism in the manufacturing apparatus of the present invention.
In the figure: 1. a tank body; 2. an exhaust pipe; 3. an air purification box; 4. a drive motor; 5. a stirring shaft; 6. an annular stirring paddle; 7. a stirring blade; 8. a jacket; 9. a discharge port; 10. a discharging mechanism; 11. an exhaust valve; 12. an inlet; 13. an outlet; 14. a primary filter screen plate; 15. an active carbon filter screen plate; 16. a photocatalyst filter screen plate; 17. a support; 18. a liquid level meter; 19. an electronic thermometer; 20. a modifier supply tube; 21. a feed hopper; 22. conical teeth; 23. a heat source inlet; 24. a first shut-off valve; 25. a heat source outlet; 26. a second shutoff valve; 27. a buffer bin; 28. a valve; 29. a delivery cylinder; 30. a rotating electric machine; 31. a connecting shaft; 32. a helical blade; 33. a discharge opening; 34. a fan blade.
Detailed Description
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
as shown in fig. 1 to 7, the preparation method of the high-viscosity high-elasticity asphalt of the present invention comprises the following steps:
S1: selecting raw materials: selecting the following raw materials in percentage by weight: 6 to 6.5 percent of compatilizer, 4.5 to 5 percent of rubber particles, 5 to 6 percent of SBS modifier, 2 to 5 percent of viscosity regulator, 0.2 to 0.5 percent of stabilizer and the balance of matrix asphalt;
S2: heating the base asphalt weighed in proportion in S1 to 185-190 ℃, adding the compatilizer and the rubber particles into the base asphalt in proportion, putting the mixture into a preparation device, controlling the temperature to be 185-190 ℃, and stirring and circularly shearing the mixture until the rubber particles are fine and uniform;
S3: adding the SBS modifier into the preparation device in S2 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
S4: adding the viscosity regulator into a preparation device in S3 in proportion, controlling the temperature to be 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
S5: slowly adding the stabilizer into a preparation device in S4 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing for 15-20 minutes to obtain high-viscosity asphalt;
The preparation device adopted in the above S2 comprises a tank body 1, wherein an exhaust pipe 2 is arranged at the bottom of the tank body 1, an air purification box 3 is fixedly connected with the exhaust pipe 2, the exhaust pipe 2 is used for decompressing the tank body 1, the decompressed air is introduced into the air purification box 3, the exhausted air is filtered by the air purification box 3 to remove harmful gas in the air, so as to achieve the purpose of purifying the exhausted air and ensure the surrounding air quality, a driving motor 4 is fixedly connected with the top of the tank body 1, the end part of an output shaft of the driving motor 4 is connected with a stirring shaft 5 through shaft coupling transmission, the lower end of the stirring shaft 5 is positioned in the tank body 1, an annular stirring paddle 6 is fixedly connected with the middle part of the stirring shaft 5, stirring blades 7 are fixedly connected with the two ends of the annular stirring paddle 6, and the materials can be stirred without dead angles through the annular stirring paddle 6 and the stirring blades 7, improve stirring homogeneity, simultaneously through the awl tooth 22 on stirring vane 7 can form better shearing effect to the material in the flow under high speed state to realize the purpose of high efficiency's stirring, the outside fixedly connected with of the jar body 1 presss from both sides cover 8, the bottom of the jar body 1 is equipped with discharge gate 9, and through discharge gate 9 fixedly connected with discharge mechanism 10, after discharge mechanism 10 functions, drives spiral blade 32 through the rotating electrical machines 30 that sets up on it and can derive the material that will export fast, also can realize stirring material at the in-process of deriving, makes the material be in under the mobile state always, takes place to block up when can avoiding the material output, has avoided often repairing because of blockking up and has caused the unstable phenomenon of output.
it is specific, the middle part fixedly connected with discharge valve 11 of blast pipe 2, discharge valve 11 are used for opening or closing the gas flow pipeline of blast pipe 2 and air purification case 3, air purification case 3's right side is equipped with import 12, and is connected with blast pipe 2 through import 12, air purification case 3's left side is equipped with export 13, and air purification case 3 carries out filtration purification back to the gas of getting rid of, through export 13 exhaust air-purifying, air purification case 3's inside is equipped with in proper order from the right side to a left side and just imitates filter screen board 14, active carbon filter screen board 15 and photocatalyst filter screen board 16, just imitates filter screen board 14, active carbon filter screen board 15 and photocatalyst filter screen board 16 and can filter harmful substance such as sulfur dioxide in the combustion gas.
specifically, the bottom fixedly connected with support 17 of the jar body 1, support 17 are used for playing the effect that stabilizes the support to jar body 1, discharge mechanism 10 sets up on the crossbeam of support 17, can provide strong support for discharge mechanism 10, and wherein driving motor 4's model is NMRV 75.
Specifically, a liquid level meter 18 and an electronic thermometer 19 are sequentially arranged at the top of the left end of the tank body 1 from left to right, detection ends of the liquid level meter 18 and the electronic thermometer 19 both extend into the tank body 1, the material capacity in the tank body 1 is known in real time through the liquid level meter 18, the temperature change in the tank body 1 can be observed in real time through the electronic thermometer 19, the liquid level meter 18 is LV30D, the electronic thermometer 19 is TP101, a modifier supply pipe 20 and a feed hopper 21 are sequentially arranged at the top of the right end of the tank body 1 from left to right, a modifier is introduced through the supply pipe 20, and required raw materials are put into the tank through the feed hopper 21.
specifically, the stirring vanes 7 distributed at the two ends of the annular stirring paddle 6 are arranged in a staggered manner, the conical teeth 22 are uniformly distributed on the surface of the stirring vanes 7, and the conical teeth 22 on the stirring vanes 7 can form a good shearing effect on materials in the flow at a high speed so as to achieve the purpose of high-speed and high-efficiency stirring.
specifically, a heat source inlet 23 is arranged on the left side of the jacket 8, a first shutoff valve 24 is fixedly connected to the middle of the heat source inlet 23, a heat source outlet 25 is arranged on the right side of the jacket 8, a second shutoff valve 26 is fixedly connected to the middle of the heat source outlet 25, the first shutoff valve 24 is opened after the heat source inlet 23 is externally connected with a heat supply device, hot water or hot air is introduced into the jacket 8 through the heat source inlet 23 to ensure the temperature required during material stirring, and after the heat supply device is used, the second shutoff valve 26 is opened, and the hot water or hot air is discharged through the heat source outlet 25.
Specifically, the top of discharge mechanism 10 is equipped with surge bin 27, and is connected with discharge gate 9 through surge bin 27, the middle part fixedly connected with valve 28 of surge bin 27, during the ejection of compact, opens valve 28 and makes the material get into in the discharge mechanism 10 through surge bin 27.
Specifically, the discharging mechanism 10 includes a material conveying cylinder 29, a rotating motor 30, a connecting shaft 31 and a spiral blade 32, a discharge opening 33 is formed in the left side of the material conveying cylinder 29, the rotating motor 30 is fixedly mounted on the right side of the material conveying cylinder 29, the connecting shaft 31 and the spiral blade 32 are located in the material conveying cylinder 29, the spiral blade 32 is fixedly mounted on the connecting shaft 31, and the connecting shaft 31 is in transmission connection with the end portion of an output shaft of the rotating motor 30 through a coupler; rotating electrical machines 30 with install flabellum 34 between the connecting axle 31, just flabellum 34 and export 13 intercommunication, when deriving the material, drive spiral blade 32 through rotating electrical machines 30 and can derive the material that will export fast, also can realize stirring the material at the in-process of deriving, make the material be in under the mobile state always, take place to block up when can avoiding the material to export, avoided because of blocking up often to shut down to salvage and cause the unstable phenomenon of output, rotating electrical machines 30' S model is Y2-90S-4.
When in use, the modifier is introduced through the liquid supply pipe 20 in sequence, the required raw materials are put through the feed hopper 21, after the raw materials are prepared, the first shut-off valve 24 is opened after the heat source inlet 23 is externally connected with a heat supply device, hot water or hot air is introduced into the jacket 8 through the heat source inlet 23 to ensure the temperature required during the material stirring, after the raw materials are used, the second shut-off valve 26 is opened, the hot water or hot air is discharged through the heat source outlet 25, the driving motor 4 is electrified to work to drive the annular stirring paddle 6 and the stirring blades 7 to stir the materials without dead angles, the stirring uniformity can be improved, simultaneously, the conical teeth 22 on the stirring blades 7 can form a better shearing effect on the flowing materials under a high-speed state to achieve the purpose of rapid and efficient stirring, and in the stirring process, the internal air pressure of the tank body 1 is changed rapidly due to the high temperature, blast pipe 2 is used for carrying out the pressure release to jar body 1, gas behind the pressure release lets in air purification box 3, filter the combustion gas through air purification box 3, come to clear away the harmful gas in the air, in order to reach the purpose to exhaust gas purification, guarantee air quality on every side, after the stirring is accomplished, rotating electrical machines 30 through setting up on discharging mechanism 10 drive spiral blade 32 and can derive the material that will export fast, also can realize stirring material at the in-process of deriving, make the material be in under the mobile state always, take place to block up when can avoiding material output, avoided salvaging the phenomenon that causes the unstable output because of blockking up frequent shutdown.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A preparation method of high-viscosity high-elasticity asphalt is characterized by comprising the following steps: the preparation method comprises the following steps:
S1: selecting raw materials: selecting the following raw materials in percentage by weight: 6 to 6.5 percent of compatilizer, 4.5 to 5 percent of rubber particles, 5 to 6 percent of SBS modifier, 2 to 5 percent of viscosity regulator, 0.2 to 0.5 percent of stabilizer and the balance of matrix asphalt;
S2: heating the base asphalt weighed in proportion in S1 to 185-190 ℃, adding the compatilizer and the rubber particles into the base asphalt in proportion, putting the mixture into a preparation device, controlling the temperature to be 185-190 ℃, and stirring and circularly shearing the mixture until the rubber particles are fine and uniform;
s3: adding the SBS modifier into the preparation device in S2 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
S4: adding the viscosity regulator into a preparation device in S3 in proportion, controlling the temperature to be 185-190 ℃, stirring and circularly shearing until no obvious particles exist;
s5: slowly adding the stabilizer into a preparation device in S4 in proportion, controlling the temperature at 185-190 ℃, stirring and circularly shearing for 15-20 minutes to obtain high-viscosity asphalt;
The preparation facilities who adopts in above-mentioned S2 includes a jar body (1), the bottom of jar body (1) is equipped with blast pipe (2), and through blast pipe (2) fixedly connected with air purification case (3), the top fixedly connected with driving motor (4) of jar body (1), the output shaft tip of driving motor (4) is connected with (mixing) shaft (5) through the shaft coupling transmission, and the lower extreme of (mixing) shaft (5) is located jar body (1), the middle part fixedly connected with annular stirring rake (6) of (mixing) shaft (5), the both ends fixedly connected with stirring vane (7) of annular stirring rake (6), the outside fixedly connected with of jar body (1) presss from both sides cover (8), the bottom of jar body (1) is equipped with discharge gate (9), and through discharge gate (9) fixedly connected with discharge mechanism (10).
2. The method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: middle part fixedly connected with discharge valve (11) of blast pipe (2), the right side of air purification case (3) is equipped with import (12), and is connected with blast pipe (2) through import (12), the left side of air purification case (3) is equipped with export (13), the inside of air purification case (3) is equipped with from right side to left side in proper order and just imitates filter screen board (14), active carbon filter screen board (15) and photocatalyst filter screen board (16).
3. the method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the bottom of the tank body (1) is fixedly connected with a support (17), and the discharging mechanism (10) is arranged on a cross beam of the support (17).
4. the method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the utility model discloses a modified liquid level meter, including jar body (1), the left end top of jar body (1) is equipped with level gauge (18) and electronic thermometer (19) from a left side to the right side in proper order, the sense terminal of level gauge (18) and electronic thermometer (19) all extends to in jar body (1), the right-hand member top of jar body (1) is equipped with modifier feed pipe (20) and feeder hopper (21) from a left side to the right side in proper order.
5. The method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the stirring blades (7) distributed at two ends of the annular stirring paddle (6) are arranged in a staggered mode, and conical teeth (22) are uniformly distributed on the surface of each stirring blade (7).
6. The method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the heat source heat pump is characterized in that a heat source inlet (23) is formed in the left side of the jacket (8), a first shut-off valve (24) is fixedly connected to the middle of the heat source inlet (23), a heat source outlet (25) is formed in the right side of the jacket (8), and a second shut-off valve (26) is fixedly connected to the middle of the heat source outlet (25).
7. the method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the top of the discharging mechanism (10) is provided with a buffer bin (27) which is connected with the discharging port (9) through the buffer bin (27), and the middle part of the buffer bin (27) is fixedly connected with a valve (28).
8. The method for preparing high-viscosity high-elasticity asphalt according to claim 1, which is characterized by comprising the following steps of: the discharging mechanism (10) comprises a material conveying cylinder (29), a rotating motor (30), a connecting shaft (31) and a spiral blade (32), a discharging opening (33) is formed in the left side of the material conveying cylinder (29), the rotating motor (30) is fixedly installed on the right side of the material conveying cylinder (29), the connecting shaft (31) and the spiral blade (32) are located in the material conveying cylinder (29), the spiral blade (32) is fixedly installed on the connecting shaft (31), and the connecting shaft (31) is in transmission connection with the end portion of an output shaft of the rotating motor (30) through a coupler; the fan blades (34) are installed between the rotating motor (30) and the connecting shaft (31), and the fan blades (34) are communicated with the outlet (13).
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Cited By (1)
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| CN112058133A (en) * | 2020-09-11 | 2020-12-11 | 李楠 | Stirring equipment for modified asphalt |
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