阅读说明：本技术 一种乳化改性沥青制备方法 (Preparation method of emulsified modified asphalt ) 是由 周敏卫 宋叔苹 孙伟杰 于 2021-08-13 设计创作，主要内容包括：本发明涉及沥青生产领域,具体为一种乳化改性沥青制备方法,包括如下步骤：加料,前置破碎,沥青流转运输,运输沥青清理,沥青流研磨,沥青研磨清理,输出；本发明通过在动磨头的外侧设有恒温单元,使乳化沥青流从动磨头和恒温单元之间的间隙流过,从而使恒温单元内部嵌入的相变材料层,对动磨头研磨时,产生的高温进行吸收,使相变材料由液体变为固态,当剪切机构停机时,相变材料由固态变为液体进行放热,进而使乳化沥青流减少高温变性和停机低温凝固,再配合增加的剪切研磨的前置破碎工艺,使剪切研磨的沥青流体积减少,从而减少能耗,并在加工设备中对沥青流在运输研磨过程中的沥青残留进行及时清理,从而提高了生产效率。(The invention relates to the field of asphalt production, in particular to a preparation method of emulsified modified asphalt, which comprises the following steps: feeding, pre-crushing, asphalt circulation and transportation, conveying asphalt for cleaning, grinding asphalt flow, grinding and cleaning asphalt, and outputting; according to the invention, the constant temperature unit is arranged on the outer side of the movable grinding head, so that the emulsified asphalt flow flows through the gap between the movable grinding head and the constant temperature unit, the phase change material layer embedded in the constant temperature unit absorbs high temperature generated during grinding of the movable grinding head, the phase change material is changed from liquid to solid, when the shearing mechanism stops, the phase change material is changed from solid to liquid to release heat, and further the emulsified asphalt flow is reduced in high-temperature denaturation and stops and is solidified at low temperature, and then the volume of the sheared and ground asphalt flow is reduced by matching with an increased shearing and grinding pre-crushing process, so that the energy consumption is reduced, and asphalt residues in the conveying and grinding process of the asphalt flow in processing equipment are cleaned in time, and the production efficiency is improved.)

1. The preparation method of the emulsified modified asphalt is characterized by comprising the following steps:

feeding materials, namely feeding a molten asphalt flow and an emulsifier into a feeding hole (102) of a front mechanism (1);

secondly, pre-crushing, wherein the fed molten asphalt flow and the fed emulsifier are transmitted to the inside of a crushing bin (101), so that a crushing knife (103) in the crushing bin (101) is driven by a pre-driving mechanism (2) to pre-crush the molten asphalt flow;

thirdly, conveying the asphalt flow in a circulating manner, wherein the asphalt flow treated in the third step falls into the conveying mechanism (3), and the pushing unit (313) is rotated under the synchronous driving of the front driving mechanism (2), so that the pushing sheet (314) on the surface of the pushing unit (313) pushes the asphalt flow to be input to the shearing mechanism (4);

conveying asphalt to clean, namely cleaning the asphalt on the surface of the pushing sheet (314) under the positive and negative scraping actions of the diversion cleaning unit 322 when the pushing sheet (314) rolls back and forth in the pushing unit (313) through the surrounding design of the pushing sheet (314) on the surface of the pushing unit (313);

step five, the asphalt flow is ground, the pushing unit (313) transports the asphalt flow and the emulsifier to the bottom of the shearing mechanism (4), annular grooves (412) of the shearing mechanism (4) are distributed along the shape of the inclined threads, the asphalt flow and the emulsifier are ground and mixed in a rotating mode and are conveyed upwards synchronously, and the grinding temperature is controlled under the temperature control of the constant temperature unit (403);

step six, grinding and cleaning asphalt, intermittently controlling a cleaning driving unit (5) to operate, enabling the cleaning driving unit (5) to drive an extrusion column (507) to move towards the center of the shearing mechanism (4), enabling a grinding and cleaning unit (421) inside the shearing mechanism (4) to be extruded out, and further enabling the asphalt inside the ring groove (412) to be extruded out;

and step seven, outputting, namely enabling the emulsified asphalt flow after grinding and mixing to be rotationally extruded and conveyed to the inside of the output port (404) in the rotating and conveying of the shearing mechanism (4).

2. The emulsified and modified asphalt preparation method according to claim 1, wherein the transportation mechanism (3) comprises a diversion unit (311) and a diversion cleaning unit (322), a pushing unit (313) is arranged between the diversion unit (311) and the diversion cleaning unit (322), and pushing blades (314) are uniformly distributed on the surface of the pushing unit (313).

3. The preparation method of the emulsified and modified asphalt as claimed in claim 2, wherein the diversion cleaning unit (322) is internally provided with an upper scraper blade (326) and a lower scraper blade (326), the distance between the upper scraper blade (326) and the lower scraper blade (326) is less than the length of the scraper blade (326), the left side and the right side of the scraper blade (326) are respectively provided with a connecting rod (329), the top end of the upper scraper blade (326) is provided with a resetting unit (328), and the upper end and the lower end of the lower scraper blade (326) are respectively provided with the resetting unit (328) and a thrust unit (327).

4. The preparation method of the emulsified and modified asphalt as claimed in claim 3, wherein the scraper (326) is coupled with a limiting arm (3221) through a connecting rod (329), the diversion cleaning unit (322) is arranged between the connecting rod (329) and the limiting arm (3221), the front end of the limiting arm (3221) is provided with a baffle plate (3222), and the baffle plate (3222) is installed on the outer surface of the diversion cleaning unit (322).

5. The preparation method of the emulsified and modified asphalt as claimed in claim 3, wherein a hollow brush strip (324) is arranged on the top of the upper scraper (326), an oil bin (323) is arranged on the top of the hollow brush strip (324), a plurality of hollow brush strips (324) are uniformly arranged on the bottom surface of the oil bin (323), and an oil filling port is arranged on the top of the oil bin (323).

6. The method for preparing the emulsified and modified asphalt according to claim 1, wherein the shearing mechanism (4) comprises a shearing base (402), a shearing driving source (401) is arranged at the bottom of the shearing base (402), a constant temperature unit (403) is arranged on the top surface of the shearing base (402), a phase change layer is clamped in the constant temperature unit (403), and an output port (404) and a supporting bottom plate (405) are respectively arranged at one side of the constant temperature unit (403).

7. The preparation method of the emulsified and modified asphalt as claimed in claim 1, wherein a movable grinding head (411) is arranged inside the constant temperature unit (403), a through ring groove (412) is arranged on the surface of the movable grinding head (411) along the direction of the inclined thread line, a plurality of vertical grooves (413) are arranged on the upper and lower inner walls of the ring groove (412), and the direction of the inclined thread line is opposite to the rotation direction of the shearing driving source (401).

8. The method for preparing the emulsified and modified asphalt as claimed in claim 7, wherein the inner side of the movable grinding head (411) is provided with a grinding and cleaning unit (421), the inner side of the ring groove (412) is provided with a pushing plate (4211), the inner side of the pushing plate (4211) is provided with a cleaning and reciprocating unit (4210), and the shapes of the cleaning and reciprocating unit (4210) and the pushing plate (4211) are matched with the ring groove (412) distributed along the inclined threads.

9. The preparation method of the emulsified and modified asphalt as claimed in claim 8, wherein the cleaning reciprocating unit (4210) is connected with a flexible layer (4213) through an inner edge rod (4212), the inner side of the flexible layer (4213) is provided with a plurality of sleeved ring rods (4214), a plurality of sleeved ring rods (4214) surround a coaxial port (4215), the coaxial port (4215) and the sleeved ring rods (4214) are distributed along the height direction of the movable grinding head (411), the length of the sleeved ring rods (4214) is gradually reduced along the height direction of the movable grinding head (411), the coaxial ports (4215) distributed up and down are coaxially arranged, and the inner diameters of the coaxial ports (4215) distributed up and down are the same;

the constant temperature unit (403), the movable grinding head (411), the grinding and cleaning unit (421) and the cleaning reciprocating unit (4210) are inverted funnel-shaped.

10. The method for preparing the emulsified and modified asphalt as claimed in claim 6, wherein the supporting bottom plate (405) is connected with a fixed back plate (502) through left and right supporting legs (501), and the surface of the fixed back plate (502) is provided with a cleaning driving source (503);

an upper fixed plate (504) and a lower movable plate (505) are respectively arranged at the bottom of the cleaning driving source (503), and a buffer unit (506) is arranged between the upper fixed plate (504) and the lower movable plate (505);

the clearance driving source (503) pass through go up fixed plate (504) with lower loose plate (505) switch on and are connected with extrusion post (507), the internal diameter of extrusion post (507) is greater than the internal diameter of coaxial mouth (4215), just extrusion post (507) with coaxial mouth (4215) set up with the axle center.

Technical Field

The invention relates to the field of asphalt production, in particular to a preparation method of emulsified modified asphalt.

Background

With the development of the highway industry in China, the requirements of the highway construction department on the technical indexes of the modified asphalt are continuously improved; the emulsified modified asphalt is generally prepared by modifying asphalt with styrene-butadiene-styrene block copolymer (SBS), styrene-butadiene rubber (SBR) and the like, and then emulsifying under a special process.

Chinese patent 202011023236.9 discloses a preparation process of modified emulsified asphalt, belonging to the technical field of asphalt preparation, in particular to a preparation process of modified emulsified asphalt, comprising the following steps: firstly, cutting off the surface layer of an asphalt block: removing the surface layer of the cylindrical asphalt block, and removing an oxide layer and stains on the surface; step two, cutting into small asphalt blocks: cutting the asphalt block with the cut surface layer into small blocks, and inserting holes in the surfaces of the small asphalt blocks; step three, emulsifying after heating and melting: heating the cut small asphalt blocks into a molten state, and then adding an emulsifier; and uniformly stirring the mixed solution of the asphalt and the emulsifier to obtain the asphalt emulsion. Cooling the asphalt emulsion in a molten state to a solid state; however, in the melting process, partial asphalt small blocks are not completely melted, so that the subsequent grinding time of the colloid mill is increased, the principle of more grinding and less grinding is not met, and the energy is wasted.

Chinese patent 202010798308.0 discloses a colloid mill for asphalt, wherein a mill cavity and a mill cover body are connected at the end part of a mill shell main body, the setting of a movable cutter combination and a static cutter combination inside the mill cavity body is realized after the two are butted, and adjusting driving modules are arranged on the mill cover body and inside the mill cavity body to realize the adjustment of a gap between the movable cutter combination and the static cutter combination, and through the structural arrangement, the abrasion compensation of a cutter head can be realized, so that the asphalt is finely ground; in addition, the grinding cavity and the grinding cover body are hinged and fixed, and can be opened, so that the interior of the grinding cavity and the grinding cover body can be conveniently cleaned and maintained; in addition, the heat preservation cavity is arranged on the grinding cavity body, the conduction oil is guided in through the connecting pipeline, and through the arrangement, the continuous heat preservation of external media to the heat preservation cavity can be realized, so that the asphalt is prevented from being solidified inside. The product of the invention has simple and novel structure design, can solve the technical defects encountered by the prior colloid mill, improves the grinding efficiency, and is an ideal colloid mill for asphalt.

However, in the technical scheme, high temperature is generated between the dynamic grinding head and the static grinding head of the colloid mill in the grinding process of the asphalt flow, so that the asphalt flow is modified at high temperature, the product effect of the emulsified and modified asphalt is not facilitated, and meanwhile, the asphalt flow is influenced by the viscosity characteristics of the asphalt flow material in the processes of transportation and grinding in the processing equipment, so that the efficiency of transportation and grinding of the asphalt flow in the processing equipment is low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a preparation method of emulsified modified asphalt, wherein the volume of a shear-ground asphalt flow is reduced by adding a pre-crushing process of shear grinding, so that the energy consumption is reduced, asphalt residues in the transportation and grinding processes of the asphalt flow are cleaned in time in processing equipment, so that the production efficiency is improved, and the high-temperature denaturation and shutdown low-temperature solidification of the asphalt flow are reduced by carrying out grinding temperature conversion in the grinding process.

In order to achieve the purpose, the invention provides the following technical scheme:

the preparation method of the emulsified modified asphalt is characterized by comprising the following steps:

feeding materials, namely feeding a molten asphalt flow and an emulsifier into a feeding hole of a front mechanism;

secondly, pre-crushing, wherein the fed molten asphalt flow and the fed emulsifier are transmitted to the inside of a crushing bin, so that a crushing knife in the crushing bin is driven by a pre-driving mechanism to pre-crush the molten asphalt flow;

thirdly, conveying the asphalt in a circulating manner, wherein the emulsified asphalt flow treated in the third step falls into the conveying mechanism, and the pushing unit is rotated under the synchronous drive of the front driving mechanism, so that the pushing blade on the surface of the pushing unit pushes the emulsified asphalt flow to be input to the shearing mechanism;

conveying asphalt to clean, wherein the asphalt on the surface of the pushing sheet is cleaned under the forward and reverse scraping action of the diversion cleaning unit when the pushing sheet rolls back and forth in the pushing unit through the surrounding design of the pushing sheets on the surface of the pushing unit;

fifthly, grinding the asphalt flow, wherein the pushing unit conveys the asphalt flow and the emulsifier to the bottom of the shearing mechanism, the ring grooves of the shearing mechanism are distributed along the shape of the inclined threads, so that the asphalt flow and the emulsifier are rotationally ground, mixed and synchronously conveyed upwards, and the grinding temperature is controlled under the temperature control of the constant temperature unit;

step six, grinding and cleaning asphalt, intermittently controlling a cleaning driving unit to operate, enabling the cleaning driving unit to drive an extrusion column to move towards the center of the shearing mechanism, enabling the grinding and cleaning unit inside the shearing mechanism to be extruded out, and further enabling the asphalt inside the ring groove to be extruded out;

and step seven, outputting, namely enabling the emulsified asphalt flow after grinding and mixing to be rotationally extruded and conveyed to the inside of an output port in the rotary conveying of the shearing mechanism.

Preferably, the conveying mechanism comprises a flow guide unit and a flow guide cleaning unit, a pushing unit is arranged between the flow guide unit and the flow guide cleaning unit, pushing vane plates are uniformly distributed on the surface of the pushing unit, and the flow guide unit and the flow guide cleaning unit are connected through a mounting plate.

Preferably, the inside of water conservancy diversion clearance unit is equipped with two upper and lower scrapers, and upper and lower two distance between the scraper blade is less than the length of scraper blade, the left and right sides of scraper blade all is equipped with the connecting rod, the upside the top of scraper blade is equipped with reset unit, the downside the upper and lower both ends of scraper blade all are equipped with reset unit and thrust unit.

Preferably, the scraper is coupled with a limiting arm through a connecting rod, the diversion cleaning unit is arranged between the connecting rod and the limiting arm, a baffle is arranged at the front end of the limiting arm, and the baffle is arranged on the outer surface of the diversion cleaning unit.

Preferably, the top of the upper scraper is provided with a hollow brush strip, the top of the hollow brush strip is provided with an oil bin, the bottom surface of the oil bin is uniformly provided with a plurality of hollow brush strips, and the top of the oil bin is provided with an oil filling port.

Preferably, the shearing mechanism comprises a shearing base, a shearing driving source is arranged at the bottom of the shearing base, a constant temperature unit is arranged on the top surface of the shearing base, a phase change layer is clamped in the constant temperature unit, and an output port and a supporting bottom plate are respectively arranged on one side of the constant temperature unit.

Preferably, the inner side of the constant temperature unit is provided with a movable grinding head, the surface of the movable grinding head is provided with a through ring groove along the direction of an inclined thread line, the upper inner wall and the lower inner wall of the ring groove are provided with a plurality of vertical grooves, and the setting direction of the inclined thread line is opposite to the rotating direction of the shearing driving source.

Preferably, the inner side of the movable grinding head is provided with a grinding and cleaning unit, the inner side of the ring groove is provided with a pushing plate, the inner side of the pushing plate is provided with a cleaning reciprocating unit, and the cleaning reciprocating unit is matched with the pushing plate in shape and the ring groove distributed along the inclined threads.

Preferably, the cleaning reciprocating unit is connected with the flexible layer through an inner edge rod, a plurality of sleeved ring rods are arranged on the inner side of the flexible layer, a coaxial port is formed by surrounding the sleeved ring rods, the coaxial port and the sleeved ring rods are distributed along the height direction of the movable grinding head, the length of each sleeved ring rod is gradually reduced along the height direction of the movable grinding head, the coaxial ports distributed up and down are all arranged coaxially, and the inner diameters of the coaxial ports distributed up and down are the same;

the constant temperature unit, the movable grinding head, the grinding and cleaning unit and the cleaning reciprocating unit are in inverted funnel shapes.

Preferably, the supporting bottom plate is connected with a fixed back plate through left and right supporting legs, and the surface of the fixed back plate is provided with a cleaning driving source;

an upper fixed plate and a lower movable plate are respectively arranged at the bottom of the cleaning driving source, and a buffer unit is arranged between the upper fixed plate and the lower movable plate;

the clearance driving source passes through go up the fixed plate with the deflector switch on is connected with the extrusion post down, the internal diameter of extrusion post is greater than the internal diameter of coaxial mouthful, just the extrusion post with coaxial mouthful sets up with the axle center.

The invention has the beneficial effects that:

(1) according to the invention, the crushing knife in the crushing bin is driven by the front-mounted driving source to rotate and crush the asphalt flow and the emulsifier which fall into the crushing bin and stir and emulsify the asphalt flow and the emulsifier at the same time, so that the asphalt block in the asphalt flow is crushed, the grinding energy consumption of a subsequent shearing mechanism is further reduced, and the design principle of the device is in accordance with more crushing and less grinding.

(2) The emulsified asphalt flow crushed and stirred falls into the inner part of the flow guide unit at the bottom of the conveying mechanism under the action of gravity, so that the emulsified asphalt flow drives the pushing unit to rotate under the driving action of the front driving source, the linkage wheel and the synchronous shaft, and the rotating pushing unit and the pushing blade plate drive the emulsified asphalt flow to be conveyed to the bottom of the shearing mechanism, thereby facilitating the shearing, grinding and emulsification of the shearing mechanism.

(3) The rotary pushing unit moves to drive the pushing sheet on the surface to rotate to approach the bottom scraper on the outer side of the diversion cleaning unit, so that the bottom scraper scrapes the top surface of the pushing sheet, the top scraper can block the movement of the pushing sheet, the bottom scraper can clean the bottom surface of the pushing sheet in a recovery state under the elastic action of the pushing unit and the resetting unit, the surface cleanliness of the pushing sheet is guaranteed, the accumulation of asphalt on the surface of the pushing sheet is reduced, the cleaned pushing sheet can rotate to the bottom of the hollow brush strip at the bottom of the oil bin, the surface of the pushing sheet is lubricated by the hollow brush strip, and the adhesion of subsequent asphalt pushing is reduced.

(4) According to the invention, the shearing driving source is matched with the movable rod to drive the constant-temperature unit and the movable grinding head to synchronously rotate, so that the emulsified asphalt flow is driven to rotate, grind and mix to be transported upwards when the annular groove designed by the inclined threads is rotated and ground, and the vertical grooves above and below the inner wall of the annular groove are designed, so that the vertical grooves inside the annular groove can generate flocculation flow when the annular groove is ground, and further the transmission speed of the emulsified asphalt flow inside the annular groove is accelerated, thereby improving the shearing and grinding effect of the emulsified asphalt flow.

(5) According to the invention, the constant temperature unit is arranged on the outer side of the movable grinding head, so that emulsified asphalt flows flow through the gap between the movable grinding head and the constant temperature unit, and the phase change material layer embedded in the constant temperature unit absorbs high temperature generated during grinding of the movable grinding head, so that the phase change material is changed from liquid to solid, and when the shearing mechanism stops, the phase change material is changed from solid to liquid to release heat, so that the heat preservation effect is achieved, and further, the emulsified asphalt flow is reduced in high-temperature denaturation and stops low-temperature solidification.

(6) According to the invention, the cleaning driving source is started, so that the cleaning driving source drives the extrusion column to move downwards, the extrusion column is extruded to penetrate through the sleeving ring rod outside the coaxial port to move outwards, the sleeving ring rod drives the flexible layer and the inner edge rod to push the cleaning reciprocating unit and the pushing plate to move towards the outside of the annular groove, and therefore, the accumulation of emulsified asphalt flow inside the annular groove is reduced, and the transmission capability of the rotation of the annular groove is improved.

(7) According to the invention, the cleaning reciprocating unit and the pushing plate move towards the outer side of the ring groove, so that the inner depth of the ring groove can be changed intermittently, the extrusion kinetic energy of the ring groove during grinding is further improved, the emulsified asphalt flow flowing through the inner part of the ring groove is fully extruded, and the mixing effect of the asphalt flow and the emulsifier is further improved.

In conclusion, the invention has the advantages of low energy consumption, good emulsification modification effect, high production efficiency and the like.

Drawings

FIG. 1 is a schematic flow chart of the preparation method of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the transport mechanism of the present invention;

FIG. 4 is a schematic structural view of a transportation cleaning unit according to the present invention;

FIG. 5 is an enlarged schematic view of portion B of FIG. 4;

FIG. 6 is a schematic view of the transport cleaning unit in a normal scraping state;

FIG. 7 is a schematic view of a transport cleaning unit in a back-scraping state;

FIG. 8 is an enlarged view of portion A of FIG. 3;

FIG. 9 is a schematic view of the shearing mechanism of the present invention;

FIG. 10 is a schematic view of a polishing and cleaning unit according to the present invention;

FIG. 11 is an enlarged view of portion D of FIG. 10;

FIG. 12 is a schematic structural view of a thermostatic element according to the present invention;

FIG. 13 is a sectional view taken in the direction E-E of FIG. 12;

FIG. 14 is an enlarged view of portion F of FIG. 13;

FIG. 15 is an enlarged view of the portion C of FIG. 9;

FIG. 16 is a schematic structural diagram of a cleaning driving unit according to the present invention;

fig. 17 is an enlarged schematic view of a portion G in fig. 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1-2, a method for preparing emulsified modified asphalt comprises:

feeding, namely feeding a molten asphalt flow and an emulsifier into a feeding hole 102 of a front mechanism 1;

secondly, pre-crushing, wherein the fed molten asphalt flow and the fed emulsifier are transmitted to the inside of the crushing bin 101, so that the crushing knife 103 in the crushing bin 101 is driven by the pre-driving mechanism 2 to pre-crush the molten asphalt flow;

thirdly, conveying the asphalt in a circulating manner, wherein the emulsified asphalt flow treated in the third step falls into the conveying mechanism 3, and the pushing unit 313 rotates under the synchronous drive of the front driving mechanism 2, so that the pushing sheet 314 on the surface of the pushing unit 313 pushes the emulsified asphalt flow to be input into the shearing mechanism 4;

conveying asphalt, namely cleaning asphalt on the surface of the pushing plate 314 by a surrounding design of a plurality of pushing plates 314 on the surface of the pushing unit 313, so that when the pushing plates 314 roll back and forth in the pushing unit 313, the asphalt on the surface of the pushing plates 314 is cleaned under the positive and negative scraping actions of the diversion cleaning unit 322;

step five, the asphalt flow is ground, the pushing unit 313 transports the asphalt flow and the emulsifier to the bottom of the shearing mechanism 4, the ring grooves 412 of the shearing mechanism 4 are distributed along the shape of the oblique threads, the asphalt flow and the emulsifier are ground and mixed in a rotating mode and are conveyed upwards synchronously, and the grinding temperature is controlled under the temperature control of the constant temperature unit 403;

step six, grinding and cleaning asphalt, intermittently controlling the cleaning driving unit 5 to operate, enabling the cleaning driving unit 5 to drive the extrusion column 507 to move towards the center of the shearing mechanism 4, enabling the grinding and cleaning unit 421 inside the shearing mechanism 4 to be extruded out, and further enabling the asphalt inside the ring groove 412 to be extruded out;

and step seven, outputting, namely enabling the emulsified asphalt flow after grinding and mixing to be rotationally extruded and conveyed to the inside of the output port 404 in the rotating and conveying of the shearing mechanism 4.

Preferably, a crushing bin 101 is arranged at the bottom of the front-end mechanism 1, a feeding hole 102 is arranged at the top of the crushing bin 101, and a crushing knife 103 is arranged at the top of the crushing bin 101;

one side of the crushing bin 101 is provided with a front driving source 201, the front driving source 201 is connected with the crushing knife 103 through a transmission rod, the front driving source 201 is connected with the crushing bin 101 through a connecting table 202, the front driving source 201 is connected with a linkage wheel 203 through a transmission rod, the linkage wheel 203 is connected with a synchronizing shaft 312 through a linkage unit 204, and the synchronizing shaft 312 is arranged in the middle of a pushing unit 313.

The front driving source 201 is preferably a motor, and the linkage unit 204 is preferably a belt.

Wherein, broken sword 103 inside broken storehouse 101 makes broken sword 103 to flow and the emulsifier that falls into inside pitch of broken storehouse 101 carry out rotatory breakage also to flow and the emulsifier stirs the emulsification simultaneously to pitch under the drive of leading driving source 201, makes the inside pitch piece of pitch flow broken, and then reduces follow-up shearing mechanism 4's grinding energy consumption, makes the design principle of device accord with many garrulous less mills.

Example two

As shown in fig. 3 to 7, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

preferably, as shown in fig. 2, the transportation mechanism 3 includes a guide unit 311 and a guide cleaning unit 322, a pushing unit 313 is disposed between the guide unit 311 and the guide cleaning unit 322, pushing sheets 314 are uniformly distributed on the surface of the pushing unit 313, and the guide unit 311 and the guide cleaning unit 322 are connected by a mounting plate 325.

Preferably, as shown in fig. 2 to 7, an upper scraper 326 and a lower scraper 326 are arranged inside the diversion cleaning unit 322, a distance between the upper scraper 326 and the lower scraper 326 is smaller than a length of the scraper 326, a connecting rod 329 is arranged on each of the left side and the right side of the scraper 326, a reset unit 328 is arranged at the top end of the upper scraper 326, the reset unit 328 and a thrust unit 327 are arranged on each of the upper end and the lower end of the lower scraper 326, the reset unit 328 is preferably a conical spring, and the thrust unit 327 is preferably a tension spring.

Preferably, as shown in fig. 2 to 7, the scraper 326 is coupled to a limiting arm 3221 through a connecting rod 329, the diversion cleaning unit 322 is disposed between the connecting rod 329 and the limiting arm 3221, a baffle 3222 is disposed at a front end of the limiting arm 3221, and the baffle 3222 is mounted on an outer surface of the diversion cleaning unit 322, so that the baffle 3222 limits and blocks a movement state of the connecting rod 329 and the scraper 326.

Preferably, as shown in fig. 3 to 4, a hollow brush bar 324 is arranged at the top of the upper scraper 326, an oil bin 323 is arranged at the top of the hollow brush bar 324, a plurality of hollow brush bars 324 are uniformly arranged on the bottom surface of the oil bin 323, an oil filling port is arranged at the top of the oil bin 323, and lubricating oil is arranged inside the oil bin 323.

The emulsified asphalt flow after being crushed and stirred falls into the diversion unit 311 at the bottom of the conveying mechanism 3 under the action of gravity, so that the emulsified asphalt flow is driven by the front driving source 201, the linkage wheel 203 and the synchronizing shaft 312 to drive the pushing unit 313 to rotate by the synchronizing shaft 312, and the emulsified asphalt flow is driven by the rotating pushing unit 313 and the pushing vane 314 to be conveyed to the bottom of the shearing mechanism 4, so that the shearing, grinding and emulsifying of the shearing mechanism 4 are facilitated.

The rotating pushing unit 313 drives the pushing sheet 314 on the surface to rotate to approach the bottom scraper 326 outside the diversion cleaning unit 322, so that the bottom scraper 326 scrapes the top surface of the pushing sheet 314, the scraper 326 at the top can block the movement of the pushing sheet 314, and the scraper 326 at the bottom can clean the bottom surface of the pushing sheet 314 when the scraper 326 is in a recovery state under the elastic action of the pushing unit 327 and the resetting unit 328, thereby ensuring the cleanliness of the surface of the pushing sheet 314, further reducing the accumulation of asphalt on the surface of the pushing sheet 314, the cleaned pushing sheet 314 can rotate to the bottom of the hollow brush strip 324 at the bottom of the oil bin 323, so that the surface of the pushing sheet 314 is lubricated by the hollow brush strip 324, and further reducing the adhesion of subsequent asphalt pushing.

EXAMPLE III

As shown in fig. 8 to 17, in which the same or corresponding components as in the first and second embodiments are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first and second embodiments will be described below for the sake of convenience. The third embodiment is different from the first and second embodiments in that:

preferably, as shown in fig. 8, the shearing mechanism 4 includes a shearing base 402, a shearing driving source 401 is provided at a bottom of the shearing base 402, a thermostatic cell 403 is provided on a top surface of the shearing base 402, a phase change layer is interposed in the thermostatic cell 403, an output port 404 and a support base plate 405 are provided at one side of the thermostatic cell 403, respectively, and a sealing base 422 is provided at a bottom of the shearing base 402, wherein the shearing driving source 401 is preferably a motor.

Preferably, as shown in fig. 12-13, the inside of the thermostatic unit 403 is provided with a movable grinding head 411, the surface of the movable grinding head 411 is provided with a through ring groove 412 along the direction of the inclined thread, the upper and lower inner walls of the ring groove 412 are provided with a plurality of vertical grooves 413, the direction of the inclined thread is opposite to the rotation direction of the shearing driving source 401, and the thermostatic unit 403 is preferably made of a phase-change material.

Preferably, as shown in fig. 9-12, the inner side of the movable grinding head 411 is provided with a grinding cleaning unit 421, the inner side of the ring groove 412 is provided with a push plate 4211, the inner side of the push plate 4211 is provided with a cleaning reciprocating unit 4210, the shape of the cleaning reciprocating unit 4210 and the shape of the push plate 4211 are matched with the ring groove 412 distributed along the inclined threads, and the cleaning reciprocating unit 4210 is preferably a conical spring.

Preferably, as shown in fig. 9 to 12, the cleaning reciprocating unit 4210 is connected with a flexible layer 4213 through an inner edge rod 4212, the inner side of the flexible layer 4213 is provided with a plurality of sleeved ring rods 4214, the plurality of sleeved ring rods 4214 enclose a coaxial port 4215, the coaxial port 4215 and the sleeved ring rods 4214 are distributed along the height direction of the movable grinding head 411, the length of the sleeved ring rods 4214 is gradually reduced along the height direction of the movable grinding head 411, the coaxial ports 4215 distributed up and down are all arranged coaxially, the inner diameters of the coaxial ports 4215 distributed up and down are the same, and the flexible layer 4213 is preferably made of a rubber material;

the constant temperature unit 403, the movable grinding head 411, the grinding and cleaning unit 421 and the cleaning and reciprocating unit 4210 are shaped like an inverted funnel.

Wherein, drive constant temperature unit 403 and move bistrique 411 synchronous revolution through shearing driving source 401 cooperation movable rod, make the annular 412 of oblique screw thread design when rotatory grinding, drive the rotatory grinding of emulsified asphalt stream and mix and upwards transport, and at the design of the perpendicular groove 413 about the annular 412 inner wall, make annular 412 when grinding, can make the inboard perpendicular groove 413 of annular 412 can produce the wadding flow, and then make the transmission speed that the inside emulsified asphalt of annular 412 flows accelerated, thereby the shearing grinding effect that emulsified asphalt flows has been improved.

Wherein, through being equipped with constant temperature unit 403 in the outside at moving bistrique 411, make emulsified asphalt flow from the clearance flow through between driven bistrique 411 and the constant temperature unit 403 to the phase change material layer of the inside embedding of constant temperature unit 403, when moving bistrique 411 and grinding, the high temperature of production absorbs, makes phase change material become solid-state by liquid, and when shearing mechanism 4 stopped the machine, phase change material becomes liquid by solid-state and carries out exothermic, thereby plays the heat preservation effect, and then makes emulsified asphalt flow reduce high temperature denaturation and shut down the low temperature solidification.

Preferably, as shown in fig. 14 to 17, the supporting bottom plate 405 is connected to a fixed back plate 502 through left and right supporting legs 501, and a cleaning driving source 503 is disposed on the surface of the fixed back plate 502;

an upper fixed plate 504 and a lower movable plate 505 are respectively arranged at the bottom of the cleaning driving source 503, and a buffer unit 506 is arranged between the upper fixed plate 504 and the lower movable plate 505;

the cleaning driving source 503 is conductively connected with an extrusion column 507 through the upper fixed plate 504 and the lower flap 505, the inner diameter of the extrusion column 507 is larger than the inner diameter of the coaxial port 4215, the extrusion column 507 and the coaxial port 4215 are coaxially arranged, the cleaning driving source 503 is preferably driven by a cylinder, and the buffer unit 506 is preferably a spring.

Wherein, by starting the cleaning driving source 503, the cleaning driving source 503 drives the extrusion column 507 to move downwards, so that the extrusion column 507 is extruded to pass through the outer side of the coaxial port 4215 and the sleeved ring rod 4214 moves outwards, the sleeved ring rod 4214 drives the flexible layer 4213 and the inner edge rod 4212 to push the cleaning reciprocating unit 4210 and the pushing plate 4211 to move towards the outer side of the ring groove 412, thereby reducing the accumulation of emulsified asphalt flow inside the ring groove 412 and further improving the rotating transmission capability of the ring groove 412; the cleaning reciprocating unit 4210 and the push plate 4211 move towards the outer side of the ring groove 412, so that the inner depth of the ring groove 412 can be changed intermittently, the extrusion kinetic energy of the ring groove 412 during grinding is improved, the emulsified asphalt flow flowing through the inner part of the ring groove 412 is fully extruded, and the mixing effect of the asphalt flow and the emulsifier is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.