Colored asphalt granulation equipment

Abstract

The utility model discloses colored asphalt granulation equipment. The colored asphalt granulation equipment comprises a colored asphalt treatment tank, a colored asphalt granulation device, a conveying device and a colored asphalt particle storage tank which are sequentially arranged along the flowing direction of colored asphalt, a multi-stage stirring mechanism is arranged in the colored asphalt treatment tank; the conveying device comprises a first conveying part and a second conveying part connected with the discharging end of the first conveying part, the first conveying part is covered with a flue gas gathering device, the discharging end of the colored asphalt granulation device penetrates through the flue gas gathering device and then is arranged above the feeding end of the first conveying part, and an asphalt waste gas multi-stage purification device is installed on the flue gas gathering device; a spraying device for spraying an isolating agent onto the colored asphalt particles is arranged above the discharging end of the first conveying part; and a cooling spraying device for cooling the colored asphalt particles is arranged below the first conveying part. The device is simple to operate, can realize batch and continuous production of colored asphalt particles, can ensure uniform mixing of the colored asphalt particles, and reduces pollution to the environment.

Description

Technical Field

[0001] The utility model relates to the technical field of colored asphalt, and particularly relates to a colored asphalt granulation device. Background Art

[0002] With the continuous development of urban construction, the decorative requirements for roads and pedestrian areas are gradually increasing. Traditional asphalt pavements are usually black, lacking visual attraction and difficult to meet people's requirements for personalization and aesthetics. Therefore, colored asphalt has emerged, providing a novel choice for road construction and endowing asphalt pavements with more colors and design inspirations.

[0003] However, the existing colored asphalt granulation devices generally have problems such as uneven particle mixing, complex operation, and environmental pollution, and cannot meet the processing requirements of colored asphalt granulation for existing road construction. Therefore, there is an urgent need for a colored asphalt granulation device. Summary of the Utility Model

[0004] In view of the deficiencies in the prior art, the utility model provides a colored asphalt granulation device.

[0005] The utility model discloses a colored asphalt granulation device, which comprises a colored asphalt treatment tank, a colored asphalt granulation device, a conveying device and a colored asphalt particle storage tank arranged in sequence along the flow direction of the colored asphalt;

[0006] A multi-stage stirring mechanism is arranged in the colored asphalt treatment tank, and an asphalt smoke outlet is arranged at the top of the colored asphalt treatment tank;

[0007] The conveying device comprises a first conveying part and a second conveying part connected to the discharge end of the first conveying part. The discharge end of the second conveying part is connected to the colored asphalt particle storage tank. A smoke converging device is arranged above the first conveying part. The discharge end of the colored asphalt granulation device passes through the smoke converging device and is placed above the feed end of the first conveying part. An asphalt waste gas multi-stage purification device is also installed on the smoke converging device;

[0008] A spraying device for spraying a release agent onto the colored asphalt particles is installed above the discharge end of the first conveying part, and a cooling spray device for cooling the colored asphalt particles above the first conveying part is installed below the first conveying part.

[0009] As a further improvement of the utility model, a temperature probe sensor for detecting the temperature of the asphalt in the tank is installed in the colored asphalt treatment tank, a temperature display screen is installed on the side wall of the colored asphalt treatment tank, and the temperature probe sensor is electrically connected to the temperature display screen;

[0010] A colored asphalt material outlet is installed on one side of the colored asphalt processing tank close to the bottom. The colored asphalt material outlet is connected to the colored asphalt granulation device through a feed pipeline. A flow valve and a colored asphalt pump are installed on the feed pipeline.

[0011] As a further improvement of the utility model, the multi-stage stirring mechanism includes a first frame stirrer, a second frame stirrer and a propeller stirrer arranged in sequence from top to bottom;

[0012] The first frame-type agitator, the second frame-type agitator and the propeller-type agitator are all connected to the driving motor on the top of the color asphalt treatment tank through a transmission shaft.

[0013] As a further improvement of the utility model, the colored asphalt granulation device includes an extruder and an extruder head installed at the end of the extruder;

[0014] The feed inlet of the extruder is connected to the colored asphalt material outlet of the colored asphalt processing tank through a feed pipeline;

[0015] The extruder head is placed above the feeding end of the first conveying part after passing through the smoke converging device, and the distance between the extruder head and the first conveying part is 10-50 cm.

[0016] As a further improvement of the present invention, the smoke converging device comprises a conical smoke collecting box with an opening at the bottom, the conical smoke collecting box is placed above the first conveying part, and the length of the conical smoke collecting box is adapted to the length of the first conveying part;

[0017] The multi-stage purification device for asphalt waste gas is fixedly installed on the top of the conical flue gas collecting box, and an exhaust port is provided on the top of the conical flue gas collecting box corresponding to the multi-stage purification device for asphalt waste gas.

[0018] As a further improvement of the utility model, the asphalt waste gas multi-stage purification device includes an asphalt fume inlet, an asphalt fume condensation system, a particle dust treatment system, a primary asphalt fume filter layer, a secondary asphalt fume filter layer and an exhaust gas discharge port connected in sequence from bottom to top;

[0019] The asphalt fume condensation system comprises a cold air circulation pump and a refrigeration unit, the outlet end of the cold air circulation pump is connected to the refrigerant inlet of the refrigeration unit, the inlet end of the cold air circulation pump is connected to the refrigerant outlet of the refrigeration unit, the fume inlet of the refrigeration unit is connected to the asphalt fume inlet, the asphalt fume inlet is connected to the exhaust port through a fume exhaust pipe, and the fume outlet of the refrigeration unit is connected to the particle dust treatment system;

[0020] The particulate dust treatment system includes multiple layers of steel wire meshes arranged vertically. An adsorbent is filled between adjacent layers of steel wire meshes, and the adsorbent includes one of an activated carbon layer, an alumina layer, and a dolomite powder layer.

[0021] Both the primary asphalt fume filtration layer and the secondary asphalt fume filtration layer are adsorbent layers, and the adsorbent layer includes one of an activated carbon layer, an alumina layer, and a dolomite powder layer.

[0022] As a further improvement of the present utility model, both the first conveying part and the second conveying part are steel conveyor belts.

[0023] The discharge end of the first conveying part is connected to the feed end of the second conveying part through a first unloader, and the discharge end of the second conveying part is connected to the feed port of the colored asphalt particle storage tank through a second unloader.

[0024] As a further improvement of the present utility model, the spraying device includes a storage tank and a spreader.

[0025] The discharge port of the storage tank is connected to the feed port of the spreader, and the spreader is placed above the discharge port end of the first conveying part.

[0026] The storage tank stores a release agent, and the release agent includes one of paraffin and polyol acid ester emulsion; a meter for monitoring the level of the release agent is also installed in the storage tank.

[0027] As a further improvement of the present utility model, the cooling spray device includes multiple rows of spray pipes.

[0028] The multiple rows of spray pipes are arranged below the first conveying part and are all laid along the conveying direction of the first conveying part. A plurality of nozzles are spaced at intervals in the direction towards the first conveying part for each row of spray pipes.

[0029] One ends of the multiple rows of spray pipes are all communicated with the input pipeline of the spray liquid, and the other ends of the multiple rows of spray pipes are all communicated with the output pipeline of the spray liquid.

[0030] As a further improvement of the present utility model, the distance between adjacent two nozzles is 5 - 20 mm, and the distance between adjacent two rows of spray pipes is 5 - 35 mm.

[0031] The distance between the plane where the multiple rows of spray pipes are located and the first conveying part is 10 - 100 cm.

[0032] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0033] The utility model is simple to operate, and can realize batch, continuous and automated production. By setting up a multi-stage purification device for asphalt waste gas, waste gas particles above 0.12μm can be efficiently captured, and the purification efficiency is as high as over 90%, fundamentally solving the problem of pollution transfer;

[0034] By arranging a multi-stage stirring mechanism in the colored asphalt treatment tank, the utility model can ensure that the colored asphalt particles have the same color, the materials are evenly mixed, and the performance is stable and uniform while mixing;

[0035] The colored asphalt particles prepared by the utility model are wrapped with an isolating agent at the end of the first conveying part, which can increase the cooling speed and cooling effect of the asphalt particles on the first conveying part, and solve the problem of easy adhesion in general granulation. The colored asphalt particle products produced by the colored asphalt particle manufacturing equipment of the present invention have the advantages of non-adhesion of particles, uniform coating layer, and beautiful particles. Description of the Drawings

[0036] Figure 1 It is a schematic structural diagram of a colored asphalt granulation device disclosed in an embodiment of the utility model;

[0037] Figure 2 It is a schematic structural diagram of a colored asphalt treatment tank of a colored asphalt granulation device disclosed in an embodiment of the utility model;

[0038] Figure 3 It is a schematic structural diagram of a multi-stage purification device for asphalt waste gas of a colored asphalt granulation device disclosed in an embodiment of the utility model;

[0039] Figure 4 It is a schematic structural diagram of a cooling spray device of a colored asphalt granulation device disclosed in an embodiment of the utility model.

[0040] In the figure:

[0041] 1. Color asphalt treatment tank; 11. Asphalt fume outlet; 12. Multi-stage purification system for asphalt fumes; 131. First frame-type stirrer; 132. Second frame-type stirrer; 14. Propeller stirrer; 15. Driving motor; 16. Temperature probe sensor; 2. Color asphalt granulation device; 21. Extruder; 22. Extruder head; 31. First conveying section; 32. Second conveying section; 4. Color asphalt granule storage tank; 5. Flue gas converging device; 6. Multi-stage purification device for asphalt waste gas; 61. Asphalt fume inlet; 62. Asphalt fume condensation system; 63. Granular dust treatment system; 64. First-stage asphalt fume filter layer; 65. Second-stage asphalt fume filter layer; 66. Exhaust gas discharge port; 7. Spraying device; 71. Storage tank; 72. Sprayer; 8. Cooling spray device; 81. Refrigerant and its circulating pumping assembly; 82. Spray pipe; 83. Nozzle; 84. Input pipeline for spray liquid; 85. Output pipeline for spray liquid; 91. First discharger; 92. Second discharger; 100. Feeding pipeline; 200. Flow valve; 300. Color asphalt pump; 400. Exhaust gas conveying pressure pump. Detailed implementation mode

[0042] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0043] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0044] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0045] The following further describes the present utility model in detail with reference to the accompanying drawings:

[0046] As Figure 1 shown, the present utility model provides a colored asphalt granulation device, which includes a colored asphalt treatment tank 1, a colored asphalt granulation device 2, a conveying device, and a colored asphalt particle storage tank 4 arranged in sequence along the flow direction of the colored asphalt. Among them, a multi-stage stirring mechanism is arranged inside the colored asphalt treatment tank 1, and an asphalt fume outlet 11 is arranged at the top of the colored asphalt treatment tank 1; the conveying device includes a first conveying part 31 and a second conveying part 32 connected to the discharge end of the first conveying part 31. The discharge end of the second conveying part 32 is connected to the colored asphalt particle storage tank 4. A flue gas converging device 5 is arranged above the first conveying part 31. The discharge end of the colored asphalt granulation device 2 passes through the flue gas converging device 5 and is placed above the feed end of the first conveying part 31. An asphalt waste gas multi-stage purification device 6 is also installed on the flue gas converging device 5; a spraying device 7 for spraying a release agent onto the colored asphalt particles is installed above the discharge end of the first conveying part 31, and a cooling spray device 8 for cooling the colored asphalt particles above the first conveying part 31 is installed below the first conveying part 31.

[0047] In this embodiment, the present utility model is simple to operate, and can achieve batch, continuous, and automated production. By setting the asphalt waste gas multi-stage purification device 6, waste gas particles above 0.12 μm can be efficiently captured, and the purification efficiency is as high as over 90%, fundamentally solving the problem of pollution transfer; by arranging a multi-stage stirring mechanism inside the colored asphalt treatment tank 1, it can ensure that the colored asphalt particles have the same color, the materials are evenly mixed, and the performance is stable and uniform; by coating a release agent on the end of the first conveying part 31 of the prepared colored asphalt particles, the cooling speed and cooling effect of the asphalt particles on the first conveying part 31 can be increased, solving the problem of easy adhesion in general granulation. The colored asphalt particle products produced by using the manufacturing equipment of the colored asphalt particles of the present invention have the advantages of non-sticking particles, uniform coating layer, and beautiful particles.

[0048] Specifically:

[0049] As Figure 2As shown, in the above embodiment, preferably, a temperature probe sensor 16 for detecting the temperature of asphalt in the tank is installed inside the colored asphalt processing tank 1, and a temperature display screen is installed on the side wall of the colored asphalt processing tank 1. The temperature probe sensor is electrically connected to the temperature display screen. The setting of the temperature display screen can facilitate the operator to grasp the temperature of the colored asphalt in the colored asphalt processing tank 1; a multi-stage stirring mechanism is arranged in the vertical direction at the center of the interior of the colored asphalt processing tank 1, and an asphalt fume multi-stage purification system 12 is installed near the top of the colored asphalt processing tank 1, and the outlet end of the asphalt fume multi-stage purification system 12 is connected to the asphalt fume outlet. In this embodiment, the asphalt fume multi-stage purification system 12 is consistent with the structure of the asphalt waste gas multi-stage purification device 6, as described below for details.

[0050] In the above embodiment, preferably, the multi-stage stirring mechanism includes a first frame stirrer 131, a second frame stirrer 132 and a propeller stirrer 14 arranged in sequence from top to bottom; the first frame stirrer 131, the second frame stirrer 132 and the propeller stirrer 14 are all connected to the driving motor 15 on the top of the color asphalt treatment tank 1 through a transmission shaft. The setting of the multi-stage stirring mechanism in this embodiment can ensure that the color of the color asphalt particles is consistent, the materials are mixed evenly and the performance is stable and uniform.

[0051] In the above embodiment, preferably, a colored asphalt material outlet is installed on the side close to the bottom of the colored asphalt processing tank 1, and the colored asphalt material outlet is connected to the colored asphalt granulation device 2 through a feed pipeline 100, and a flow valve 200 and a colored asphalt pump 300 are installed on the feed pipeline 100.

[0052] like Figure 1 As shown, in the above embodiment, preferably, the color asphalt granulation device 2 includes an extruder 21 and an extruder head 22 installed at the end of the extruder 21; the feed port of the extruder 21 is connected to the color asphalt material outlet of the color asphalt processing tank 1 through the feed pipe 100; the extruder head 22 passes through the smoke convergence device 5 and is placed above the feed end of the first conveying part 31. The extruder 21 and the extruder head 22 in this embodiment can realize the granulation processing of the color asphalt.

[0053] In the above embodiment, preferably, the distance between the extruder head 22 and the first conveying part 31 is 10-50 cm.

[0054] In the above embodiment, preferably, the smoke convergence device 5 includes a conical smoke collecting box with an opening at the bottom, the conical smoke collecting box is placed above the first conveying part 31, the asphalt waste gas multi-stage purification device 6 is fixedly installed on the top of the conical smoke collecting box, and the top of the conical smoke collecting box is provided with an exhaust port corresponding to the asphalt waste gas multi-stage purification device 6.

[0055] In the above embodiments, preferably, the length of the conical flue gas collection box is adapted to the length of the first conveying part 31;

[0056] As Figure 3 shown, in the above embodiments, preferably, the multi-stage purification system 12 for asphalt fume and the multi-stage purification device 6 for asphalt waste gas include, sequentially connected from bottom to top, an asphalt fume inlet 61, an asphalt fume condensation system 62, a particulate dust treatment system 63, a first-stage asphalt fume filter layer 64, a second-stage asphalt fume filter layer 65, and an exhaust gas outlet 66; wherein, the asphalt fume condensation system 62 includes a cold air circulation pump and a refrigeration unit. The outlet end of the cold air circulation pump is connected to the refrigerant inlet of the refrigeration unit, the inlet end of the cold air circulation pump is connected to the refrigerant outlet of the refrigeration unit, the flue gas inlet of the refrigeration unit is connected to the asphalt fume inlet, the asphalt fume inlet 61 is connected to the exhaust port through a smoke exhaust pipe, and the flue gas outlet of the refrigeration unit is connected to the particulate dust treatment system 63; the particulate dust treatment system 63 includes multiple layers of steel wire meshes arranged vertically, and an adsorbent is filled between adjacent two layers of steel wire meshes. The adsorbent includes one of an activated carbon layer, an alumina layer, and a dolomite powder layer; both the first-stage asphalt fume filter layer 64 and the second-stage asphalt fume filter layer 65 are adsorbent layers, and the adsorbent layer includes one of an activated carbon layer, an alumina layer, and a dolomite powder layer. The outlet side of the second-stage asphalt fume filter layer 65 in this embodiment is connected to the exhaust gas outlet 66. The exhaust gas outlet 66 in this embodiment is connected to an exhaust gas discharge pipe, and an exhaust gas conveying pressure pump 400 for facilitating the discharge of exhaust gas is further installed on the exhaust gas discharge pipe.

[0057] In the above embodiments, preferably, both the first conveying part 31 and the second conveying part 32 are steel conveyor belts. Both ends of the steel conveyor belt are respectively passed through a driving wheel 311 and a driven wheel, and the driving wheel 311 is connected to the output shaft of the driving motor. That is, both the first conveying part 31 and the second conveying part 32 realize the movement of the steel conveyor belt through the driving motor, the driving wheel 311, and the driven wheel. In this embodiment, the discharge end of the first conveying part 31 is connected to the feeding end of the second conveying part 32 through a first unloader 91, and the discharge end of the second conveying part 32 is connected to the feeding port of the colored asphalt particle storage tank 4 through a second unloader 92.

[0058] In the above embodiments, preferably, the spraying device 7 includes a storage tank 71 and a spreader 72. Among them, the discharge port of the storage tank 71 is connected to the feeding port of the spreader 72, and the spreader 72 is placed above the discharge port end of the first conveying part 31; an isolating agent is stored in the storage tank 71, and the isolating agent includes one of paraffin wax and polyol acid ester emulsion; a meter for monitoring the level of the isolating agent is further installed in the storage tank 71. The setting of the spraying device 7 in this embodiment can prevent the colored asphalt particles from sticking or adhering together by spraying an isolating agent or an isolating powder on the colored asphalt particles on the first conveying part 31.

[0059] As Figure 4 shown, in the above embodiment, preferably, the cooling spray device 8 includes a refrigerant and its circulating pumping main unit 81, a spray pipe 82, a nozzle 83, an input pipeline 84 for the spray liquid, and an output pipeline 85 for the spray liquid. Among them, multiple rows of spray pipes 82 are laid below the first conveying part 31 along the length direction of the first conveying part 31, and multiple rows of spray pipes 82 are arranged parallel to each other before and after on the same horizontal plane to form a spray pipe row. A plurality of nozzles 83 are arranged at intervals in the direction of each row of spray pipes 82 facing the first conveying part 31; one ends of the multiple rows of spray pipes 82 are all communicated with the input pipeline 84 for the spray liquid, and the other ends of the multiple rows of spray pipes 82 are all communicated with the output pipeline 85 for the spray liquid.

[0060] In the above embodiment, preferably, the refrigerant and its circulating pumping main unit 81 includes a refrigerator, a circulating pump, and a temperature controller. The connection manner of the refrigerator, the circulating pump and the spray pipe 82 is the prior art and will not be elaborated here.

[0061] In the above embodiment, preferably, the distance between two adjacent nozzles 83 is 5 - 20 mm, and the distance between two adjacent rows of spray pipes 82 is 5 - 35 mm; the distance between the plane where the multiple rows of spray pipes 82 are located and the first conveying part 31 is 10 - 100 cm.

[0062] In this embodiment, each equipment section can be flexibly combined. According to different purification treatment amounts and purification rate requirements, the number of units can be adjusted adaptively. By setting an asphalt fume multi-stage purification system 12 in the colored asphalt treatment tank 1 and an asphalt waste gas multi-stage purification device 6 at the flue gas converging device 5, the environmental pollution caused by the direct external discharge of asphalt fume can be reduced to the greatest extent, and the environment is protected to a certain extent.

[0063] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A colored asphalt granulation equipment, characterized in that: It includes a colored asphalt processing tank, a colored asphalt granulating device, a conveying device and a colored asphalt granule storage tank which are sequentially arranged along the flow direction of the colored asphalt; The colored asphalt processing tank is provided with a multi-stage stirring mechanism, and the top of the colored asphalt processing tank is provided with an asphalt smoke outlet; The conveying device comprises a first conveying part and a second conveying part connected to the discharge end of the first conveying part, the discharge end of the second conveying part is connected to the colored asphalt granule storage tank, a smoke convergence device is provided above the first conveying part, the discharge end of the colored asphalt granulation device passes through the smoke convergence device and is placed above the feed end of the first conveying part, and a multi-stage asphalt waste gas purification device is also installed on the smoke convergence device; A spraying device for spraying a release agent onto the colored asphalt particles is installed above the discharge end of the first conveying part, and a cooling spraying device for cooling the colored asphalt particles above the first conveying part is installed below the first conveying part; The multi-stage stirring mechanism comprises a first frame-type stirrer, a second frame-type stirrer and a propeller-type stirrer which are arranged in sequence from top to bottom; The first frame-type agitator, the second frame-type agitator and the propeller-type agitator are all connected to the driving motor on the top of the color asphalt treatment tank through a transmission shaft.

2. The colored asphalt granulation equipment according to claim 1, characterized in that: A temperature probe sensor for detecting the temperature of the asphalt in the tank is installed in the colored asphalt processing tank, and a temperature display screen is installed on the side wall of the colored asphalt processing tank, and the temperature probe sensor is electrically connected to the temperature display screen; A colored asphalt material outlet is installed on one side of the colored asphalt processing tank close to the bottom. The colored asphalt material outlet is connected to the colored asphalt granulation device through a feed pipeline. A flow valve and a colored asphalt pump are installed on the feed pipeline.

3. The colored asphalt granulation equipment according to claim 1, characterized in that: The colored asphalt granulation device includes an extruder and an extruder head installed at the end of the extruder; The feed inlet of the extruder is connected to the colored asphalt material outlet of the colored asphalt processing tank through a feed pipeline; The extruder head is placed above the feeding end of the first conveying part after passing through the smoke converging device, and the distance between the extruder head and the first conveying part is 10-50 cm.

4. The colored asphalt granulation equipment according to claim 1, characterized in that: The smoke converging device comprises a conical smoke collecting box with an opening at the bottom, the conical smoke collecting box is placed above the first conveying part, and the length of the conical smoke collecting box is adapted to the length of the first conveying part; The multi-stage purification device for asphalt waste gas is fixedly installed on the top of the conical flue gas collecting box, and an exhaust port is provided on the top of the conical flue gas collecting box corresponding to the multi-stage purification device for asphalt waste gas.

5. The colored asphalt granulation equipment according to claim 4, characterized in that: The asphalt waste gas multi-stage purification device comprises an asphalt fume inlet, an asphalt fume condensation system, a particle dust treatment system, a primary asphalt fume filter layer, a secondary asphalt fume filter layer and an exhaust gas discharge port, which are connected in sequence from bottom to top; The asphalt fume condensation system comprises a cold air circulation pump and a refrigeration unit, the outlet end of the cold air circulation pump is connected to the refrigerant inlet of the refrigeration unit, the inlet end of the cold air circulation pump is connected to the refrigerant outlet of the refrigeration unit, the fume inlet of the refrigeration unit is connected to the asphalt fume inlet, the asphalt fume inlet is connected to the exhaust port through a fume exhaust pipe, and the fume outlet of the refrigeration unit is connected to the particle dust treatment system; The particle dust treatment system comprises a plurality of steel screens arranged up and down, and an adsorbent is filled between two adjacent steel screens, wherein the adsorbent comprises one of an activated carbon layer, an alumina layer and a dolomite powder layer; The primary asphalt smoke filter layer and the secondary asphalt smoke filter layer are both adsorbent layers, and the adsorbent layer includes one of an activated carbon layer, an aluminum oxide layer and a dolomite powder layer.

6. The colored asphalt granulation equipment according to claim 1, characterized in that: The first conveying part and the second conveying part are both steel conveyor belts; The discharge end of the first conveying part is connected to the feed end of the second conveying part through a first discharger, and the discharge end of the second conveying part is connected to the feed port of the colored asphalt particle storage tank through a second discharger.

7. The colored asphalt granulation equipment according to claim 1, characterized in that: The spraying device comprises a storage box and a spreader; The material outlet of the material storage box is connected to the material inlet of the spreader, and the spreader is placed above the material outlet end of the first conveying part; The material storage box contains a release agent, which includes one of paraffin wax and polyol ester emulsion; and the material storage box is also equipped with a meter for monitoring the level of the release agent.

8. The colored asphalt granulation equipment according to claim 1, characterized in that: The cooling spray device comprises a plurality of rows of spray pipes; A plurality of rows of spray pipes are arranged below the first conveying part and are laid along the conveying direction of the first conveying part, and a plurality of nozzles are arranged at intervals in each row of spray pipes in the direction toward the first conveying part; One ends of the multiple rows of spray pipes are all connected to the input pipeline of the spray liquid, and the other ends of the multiple rows of spray pipes are all connected to the output pipeline of the spray liquid.

9. The colored asphalt granulation equipment according to claim 8, characterized in that: The distance between two adjacent nozzles is 5-20 mm, and the distance between two adjacent rows of spray pipes is 5-35 mm; The distance between the plane where the multiple rows of spray pipes are located and the first conveying part is 10-100 cm.

Images