Emulsified asphalt is an emulsion formed from asphalt and water through the action of an emulsifier and emulsified asphalt production equipment. It offers advantages such as ease of use and storage. Emulsified asphalt production equipment is used to prepare emulsified asphalt and typically consists of an asphalt heating system, a water heating system, an emulsifier-water solution mixing system, an asphalt and water metering system, an emulsifier, and a finished product storage tank.

Among the many stages of road paving, the application of tack coat is a fundamental yet crucial step. It acts like applying a uniform layer of “glue” between the subgrade and the asphalt surface layer, ensuring a strong bond between the structural layers and preventing moisture intrusion and interlayer slippage. Traditional manual or semi-mechanized spreading methods face numerous challenges in terms of precision, uniformity, and the working environment. The emergence of the multifunctional automatic asphalt spreader represents a technological innovation specifically addressing this process. It doesn’t simply mechanize manual operations; rather, through an integrated control system, it transforms asphalt spreading from an experience-dependent “craft” into a precisely controllable “industrial process.”
01 From Fuzzy Experience to Precise Parameters: The Shift in Control Logic
The quality of traditional spreading operations largely depends on the operator’s experience. Their judgment of vehicle speed, pump pressure, and nozzle operation directly determines whether the asphalt spreading amount meets standards and whether the distribution is uniform. This experience-based model inherently contains uncertainties and is easily affected by personnel condition and environmental changes, leading to fluctuations in the spreading amount and localized over- or under-thickening of the asphalt.
The core innovation of the multi-functional automatic spraying truck lies in the establishment of a closed-loop feedback control logic. The vehicle is no longer a simple actuator, but an intelligent unit with sensing, decision-making, and execution capabilities. Its workflow can be broken down into three interconnected stages: parameter presetting, real-time monitoring, and dynamic adjustment.

Installation in Highway Construction
01 Asphalt Mixing Plants in Highway Construction
With economic prosperity, highway construction in my country has made significant progress. Quality requirements for highway construction are becoming increasingly stringent, and mechanized construction has become an industry trend. This not only reduces labor intensity but also significantly shortens the construction cycle, thus showcasing the modernization of highway construction. In the construction of highway pavements, mixing, paving, and compaction are the three core stages, with the mixing stage being crucial for ensuring construction quality. Asphalt concrete mixing equipment, as a key factor in this stage, has a decisive impact on the progress and quality of the project. This equipment integrates mechanical, electrical, and automation technologies and is an indispensable and important link in highway construction.
02 Site Selection and Layout Before Installation
In the highway construction process, the installation of the asphalt plant is a crucial step. It involves not only the selection of the equipment site but also a reasonable layout plan. Correct installation location and layout can ensure the production efficiency and quality of asphalt concrete, thereby affecting the progress and quality of the entire highway project. Therefore, the installation of the asphalt plant must be carefully considered and planned before construction.

01 Overview of Large Asphalt Mixing Plants
In the field of high-grade highway construction, the assembly and installation technology of large asphalt concrete mixing equipment has become increasingly mature. To further improve work efficiency, we must conduct a detailed selection and matching analysis of large mixing equipment and its auxiliary equipment, and clarify the installation and commissioning process of the asphalt plant. Improving the efficiency of the mixing plant requires optimization of the selection and matching of mature equipment and the installation process; intermittent equipment has become the mainstream due to its advantages.
02 Installation Key Points
> Foundation and Equipment Installation
In the installation process of a large asphalt mixing plant, site selection and application technology are the primary considerations. At the same time, mastering the installation methods of the foundation and equipment is also crucial. Site selection and technology application are key during installation; comprehensive equipment commissioning and geological condition adaptation are the focus of foundation construction; and reasonable installation procedures help save costs.
When installing a large asphalt mixing plant, the first thing to focus on is the installation of the foundation and equipment. When selecting a site, ensure that the asphalt mixing plant is far away from residential areas and farmland to avoid interference. Before installation, comprehensive commissioning of the equipment is essential, including checking for scratches or wear, and lubricating the bearings according to regulations. Comprehensive equipment commissioning and geological condition adaptation are key aspects of foundation construction. Simultaneously, technicians must carefully inspect the equipment and electrical systems to ensure they are in good working order and promptly identify and eliminate potential safety hazards.
Furthermore, considering the large amount of materials involved in the mixing plant, surrounding resources must be comprehensively considered. Based on geological conditions, appropriate foundation types, such as solid foundations and soft soil foundations, must be selected. For solid foundations, appropriate treatment of the bottom layer is required after excavation, and attention must be paid to the construction procedure of the foundation concrete. For soft soil foundations, after layout and excavation, techniques such as staggered piles and vibratory retaining walls must be used to reinforce the foundation bottom.
During foundation construction, close monitoring of the pouring of the foundation for the main building and the dry aggregate section is necessary to ensure that the same horizontal plane does not exceed the standard height, thereby minimizing the risk of resonance. Through a reasonable installation procedure, equipment installation should radiate outwards from the main building on three sides, while efficiently completing the basic tasks of large cranes to achieve cost savings.
> Cable Installation With the increase in the number of mixing plants, the power consumption of the motors also increases accordingly, typically in the range of 500-1000 kW. Due to the large cross-sectional area of ??the power supply lines, cable trenches and concealed channels must be used for proper planning during installation. Cable layout must be rationally planned, emphasizing insulation and protection to avoid electromagnetic interference.
Cable surfaces must be carefully inspected to ensure there are no open circuits, and self-adhesive high-voltage tape should be used for secure connections. When controlling system circuits, signals should be shielded first, and then the layout should be carried out as required. To prevent external electromagnetic interference, the wiring must be concealed and protected, and safety warnings must be installed. This effectively ensures power supply and equipment safety.

I. What is a Synchronous Chip Seal Truck?
This engineering vehicle, resembling a Transformer, is actually a “grout sealer” for road construction. It can simultaneously complete two key processes while in motion: spraying emulsified asphalt and evenly spreading chipped aggregate. Compared to traditional step-by-step construction, efficiency is increased by approximately 40%, and the adhesion effect is more ideal. Currently, the mainstream models can be divided into two types based on chassis structure: self-propelled and towed.
II. Practical Comparison of Two Vehicle Types
Self-propelled: Self-powered, highly maneuverable, suitable for urban roads and small-scale projects; turning radius is typically within 8 meters.
Trailer-mounted: Requires a tractor unit, but has a larger loading capacity; the crushed stone bin can reach 15 cubic meters, designed specifically for large projects such as highways.
Hybrid: An emerging modular design that allows for quick replacement of asphalt tanks or crushed stone bins according to project needs.
III. The New Trend of Intelligentization
Modern vehicles are transforming into ‘thinking’ construction robots:
Laser ranging systems automatically adjust spray volume
BeiDou positioning achieves centimeter-level path tracking
Touchscreen control replaces traditional mechanical joysticks
Real-time cloud-based analysis of construction data
These upgrades reduce material waste per square meter by approximately 12%, while improving construction accuracy by 30%.

I. Equipment Operation Status Inspection
The core of an asphalt mixing plant is its equipment. During inspection, the following should be emphasized:
Mixing System: Observe the wear of the mixing arms and ensure there is no abnormal vibration.
Heating System: Check the stability of the burner flame and the accuracy of temperature control.
Transmission Components: Ensure belt tension is appropriate and bearings are well-lubricated and free of noise.
Metering Devices: Calibrate the weighing sensors to ensure batching accuracy.

Routine maintenance of asphalt concrete pavements is crucial for ensuring their service life and driving safety. Specifically, the following measures can be taken:
1. Regular Cleaning: Regularly remove dust, garbage, and other debris from the pavement to prevent these substances from affecting drainage performance or causing wear and tear during vehicle traffic.
2. Crack Inspection: Regularly inspect the pavement for cracks and promptly repair any small, fine cracks. Larger cracks require more specialized repair methods.
3. Disease Prevention: Observe the pavement for ruts, bumps, and other defects. Address any issues promptly to prevent escalation.
4. Maintaining a Good Drainage System: Ensure that drainage facilities are unobstructed to prevent water accumulation and erosion of the asphalt layer. If necessary, add or improve existing drainage systems.

On China’s crisscrossing road network, a group of “road doctors” work silently every day. Wherever they pass, damaged pavements are restored to their former glory, and road lifespan is extended—this is the Sinoroader intelligent asphalt distributor truck, redefining the standards of road maintenance with technology.
Traditional road maintenance often faces problems such as material waste, poor uniformity, and low construction efficiency. The Sinoroader asphalt distributor truck is equipped with a high-precision control system, achieving millimeter-level control of asphalt distribution, with an error rate 30% lower than the industry standard. Its intelligent temperature control system ensures that the asphalt is always in an optimal working condition, preventing material performance degradation.
Even more noteworthy is its “intelligent brain.” Through IoT technology, each distributor truck becomes a mobile data terminal, collecting real-time data such as construction temperature, distribution volume, and geographical location, and automatically generating construction reports. Managers can monitor the construction quality and progress of various sites across the country from their offices, realizing a transformation in road maintenance from “experience-driven” to “data-driven.”

As -20°C temperatures blanket northern China, an innovative practice integrating green materials and digital sensing is quietly reshaping highway maintenance in these areas. Industrial solid waste is being transformed into cold-resistant “smart patches,” which, combined with microchips embedded in the road surface, not only allow winter repairs to proceed smoothly but also mark a crucial step towards green and intelligent transportation infrastructure maintenance. This is not only a technological breakthrough but also a vivid illustration of the transformation of development methods.
It is understood that the core material used in this test is an environmentally friendly asphalt that “grows on solid waste.” Industrial solid waste such as fly ash and coal gangue account for 60%-65% of its raw materials. Through independently developed modification technology, it enables normal construction even in temperatures as low as -20°C.
“Traditional hot-mix asphalt requires temperatures of 130℃ to 160℃, while ordinary cold-mix asphalt basically stops working below 0℃. This new material breaks free from these temperature constraints,” explained on-site technicians. This not only solves the problem of road repair in cold regions during winter but also significantly reduces raw material costs—by 15%-20% compared to traditional materials, labor and energy costs are reduced by over 20%, and overall maintenance costs are reduced by approximately 20%-25%.
The repaired road surface can be opened to traffic 1-2 hours after compaction, reaches its design strength within 24 hours, and has a durability period of 3-5 years, three times that of ordinary cold-mix asphalt. This means that road “wounds” heal faster and more firmly, making repeated repairs a thing of the past.

The core function of asphalt drum decanting equipment is to process and recycle the material resources in waste asphalt drums. With the acceleration of urbanization and the booming development of transportation construction, the demand for asphalt pavement is increasing, which also brings the problem of disposing of a large number of waste asphalt drums. If these waste asphalt drums are discarded at will, they will cause environmental pollution and resource waste. Asphalt drum decanting equipment solves this problem precisely. It can crush, melt, and reprocess waste asphalt drums into new raw materials for reuse. This not only reduces the pressure of waste emissions on the environment but also achieves sustainable resource utilization and maximizes economic value.

This equipment safely and efficiently heats and melts bagged (usually ton bags) solid or semi-solid asphalt, then transports it to asphalt storage tanks or production equipment. It achieves automated and clean operation, replacing the dangerous and inefficient traditional methods of manual bag breaking and open-flame heating.
I. Pre-Operation Preparation
Personnel Preparation:
Certified Operators: Operators must be professionally trained and familiar with the equipment structure, principles, processes, and emergency measures.
Personal Protective Equipment:
Wear Full Personal Protective Equipment: This includes: heat-resistant work clothes, heat-resistant gloves, safety helmet, face shield (or goggles), and safety shoes. Synthetic fiber clothing, short sleeves, and shorts are strictly prohibited.
Equipment Inspection:
Structural Inspection: Inspect the main body of the equipment (bag removal chamber, heating system, screw conveyor, hydraulic or electric lifting system) for obvious deformation, cracks, and loose bolts.

Colloid Mill: Clean residual asphalt from the stator-rotor gap weekly; check bearing lubrication monthly (add high-temperature grease); inspect shear clearance annually (replace parts if wear exceeds 0.2mm).
Heating System: Change heat transfer oil every 6 months; regularly clean coking from the inner wall of the heating coil (to prevent decreased thermal efficiency); check fuel/gas burner nozzles (to prevent blockage leading to uneven heating).
Control System: Calibrate temperature sensors and flow metering pumps monthly; back up PLC programs regularly (to prevent data loss).

I. Where Do Losses in Asphalt Production Come From? Asphalt production is like baking a cake; improper temperature control leads to wasted raw materials. During crude oil distillation, the volatilization of light components causes a 3-5% loss; in high-temperature oxidation processes, excessive reaction hardens the asphalt, resulting in a loss of approximately 2%. Adhesion residues during transportation are also significant—each tanker truck leaves an average of 0.8% asphalt behind.
II. The Hidden Secrets of Concrete Mixture Losses When asphalt meets aggregate, the loss story becomes even more intriguing: Aggregate Moisture Content: Wet aggregate needs to be dried, resulting in an additional 1.5% asphalt loss per ton. Uneven Mixing: Localized overheating can lead to 0.3% asphalt aging and failure. Transportation Bumps: 0.2% of the mixture will fall off every 10 kilometers the finished material truck travels.
III. Three Key Strategies for Controlling Losses
Precise Temperature Control: Segmented heating avoids localized overheating and carbonization of the asphalt.
Aggregate Pretreatment: Installing a vibrating screen removes excessively large particles, reducing mixing resistance.
Pipeline Insulation Design: Encasing the delivery pipeline with an insulation layer reduces adhesion by 40%.
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I. Essential Attributes from a Functional Perspective
Asphalt distributor trucks are typical special-purpose engineering vehicles, their core function being the precise spraying of high-temperature asphalt. Equipped with specialized equipment such as asphalt tanks, heating systems, and spraying devices, they are designed specifically for road construction scenarios. This deep customization for a single operational scenario fundamentally differs from the multi-purpose transportation positioning of ordinary trucks.
II. Usage Scenarios Determine Classification
These vehicles only appear in specific situations: construction sites for new road paving, old road renovation, etc. Their working mode is fixed-point operation rather than long-distance transportation, with an average speed typically not exceeding 20 kilometers per hour. This limited usage scenario contrasts sharply with the cross-regional mobility of trucks, better aligning with the definition logic of a special-purpose vehicle.
III. Special Structural Design
Observing their physical characteristics reveals clues: the complete isolation between the cab and the work area ensures construction safety; the hydraulic control system achieves spraying precision; some models also have a stone chip spreading function. These designs optimized for a single operation make their overall structural complexity far exceed that of ordinary trucks, further confirming their special-purpose vehicle attributes.
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Installing a large asphalt mixing plant is indeed a complex project. Let me outline the key steps and precautions for you:
I. Pre-Installation Preparation
Site Selection and Geological Assessment: Prioritize areas far from residential areas and farmland to avoid construction interference.
Foundation Type Selection Based on Geological Conditions: For existing foundations, the bottom layer needs to be compacted; for soft soil, reinforce with piling piles or vibratory casing.
Equipment Debugging and Inspection: Conduct a comprehensive inspection of the equipment before installation, ensuring no scratches or wear, and complete bearing lubrication.
Technicians must carefully inspect the electrical system to eliminate potential safety hazards.
II. Foundation Construction
On-Site Foundation Treatment: After excavation, properly treat the bottom layer, paying attention to the foundation concrete construction procedure.
Ensure the main building and the dry aggregate portion of the foundation are poured on the same horizontal plane to reduce resonance hazards.
Soft Soil Foundation Treatment: After layout and excavation, reinforce the bottom of the foundation using piling piles or vibratory casing.
Monitor foundation cracking and settlement to ensure bearing capacity.

The standard for road asphalt thickness is not fixed but is determined comprehensively based on factors such as road grade, traffic load, material type, and design specifications. The following content will systematically introduce the asphalt thickness requirements in different scenarios.
General Thickness Range
In conventional design, the total thickness of the asphalt concrete surface layer is usually 15 to 20 centimeters. This range applies to most ordinary highways, but the specific value needs to be adjusted according to the actual project.

Asphalt pavement construction is a crucial part of road construction. Proper construction ensures roads have good smoothness, durability, and compressive strength, extending their service life. This article will provide a detailed analysis of all aspects of asphalt pavement construction, revealing its secrets.
I. Material Preparation The first step in asphalt pavement construction is material preparation, including purchasing asphalt materials, aggregates, and fillers according to project requirements. When selecting asphalt materials, their quality and stability should be prioritized to ensure the quality of road construction.

Asphalt mixing plant burners are a crucial part of the heating equipment, involving knowledge of mechanical systems, natural gas control, and electrical control systems. Operators of asphalt mixing plant burners need to possess professional skills in understanding and handling daily maintenance and troubleshooting.
The service life of asphalt mixing plant burners is closely related to their maintenance. More professional maintenance can improve combustion efficiency, extend the lifespan of the burner, and directly generate economic benefits for customers. So, how should asphalt mixing plant burners be maintained?
1. Gas Filter Cleaning
Natural gas contains many fine particles. Long-term neglect can cause the gas filter to become clogged, resulting in insufficient natural gas flow. It is recommended to clean it once a year.
2. Ignition Rod Carbon Deposits Cleaning
Ignition rods will also accumulate carbon deposits after a certain period of use. It is recommended to clean them every six months.
3. Flame Detector Cleaning and Inspection
Flame detectors will also develop carbon buildup and deformation after a period of use, requiring inspection every six months. Carbon buildup and deformation impair flame detection.

Cleaning the nozzles of an asphalt distributor truck typically follows these steps:
Preparation: First, ensure the asphalt distributor truck is stopped and turn off the relevant oil valves and power.
Activate Cleaning Mode: Turn the “Control Selection” switch on the rear control panel to “Background” and switch the “Asphalt Control Valve” to “On”. Next, turn on the “Asphalt Pump” switch and open the pipeline air valves (usually two).
Start Cleaning: Switch the “Asphalt Control Valve” to the “Nozzle Cleaning” position to start the automatic nozzle cleaning program. This will typically circulate the cleaning fluid (such as diesel) through the nozzles to remove residual asphalt. It is recommended to circulate twice to ensure thorough cleaning.

Modified emulsified asphalt equipment consists of four parts: a production unit, an additive feeding device, a heating unit, and a finished product tank. Our modified emulsified asphalt equipment also uses two heating methods, which we will explain below.
Generally, the water heating methods for modified emulsified asphalt equipment are mainly coal-fired heating or heat transfer oil heat exchange. We rarely use electric heating. The former two each have their advantages and disadvantages. Coal-fired heating requires a dedicated person to add coal and constantly monitor the water temperature. Its advantage is that it does not require heat transfer oil pipeline connections. As for heat transfer oil heat exchange, it has a compact structure, stable heat exchange, and is easy to automate. Its disadvantage is that it requires a dedicated heat transfer oil circulation pipeline.
We will conclude our explanation of the heating methods for our modified emulsified asphalt equipment here. We hope this information is helpful. If you would like to know more about our products, please contact us. We will answer your questions and welcome your cooperation!

I. Causes of Asphalt Pump Oil Pump Not Drawing Oil
The following are possible causes of an asphalt pump oil pump not drawing oil:
1. Pump Malfunction: Damaged gears, poor sealing, worn bearings, or loose drive gears can all cause the pump to stop operating or operate poorly.
2. Oil Circuit Blockage: Blockage in the oil circuit obstructs oil flow, preventing smooth entry and exit from the pump, resulting in the pump not operating or operating poorly.
3. Air Leakage at the Pump Inlet: Air leakage at the asphalt pump inlet can also cause the pump to not draw oil. Causes of inlet air leakage may include aging seals, worn sealing surfaces, or misaligned sealing surfaces.
II. Solutions for Asphalt Pump Oil Pump Not Drawing Oil
To address the above problems, we can take the following steps:
1. Check the Pump: Inspect the pump gears, bearings, seals, and other components to ensure they are functioning properly. Check that the drive gears are properly engaged with the bearings.
2. Clean the Oil Circuit: Clean the oil circuit, including the pump inlet, outlet, air inlet, and oil tank, to ensure the oil circuit is unobstructed. 3. Repair or replace faulty components: Depending on the specific situation, repair or replace faulty components such as oil pump gears, seals, and reinforce bearing supports.
In general, there can be various reasons why an asphalt pump might not produce oil, requiring specific analysis based on the specific circumstances to find an effective solution. When using an asphalt pump, regular inspection and maintenance are necessary to ensure the equipment functions properly and improve work efficiency and quality.

What are the characteristics of bitumen emulsifiers? What are the differences between bitumen emulsifiers currently on the market? The manufacturer has compiled the following information to answer your questions and provide a more detailed understanding of the characteristics of asphalt emulsifier products.
1. The bitumen emulsifier produced by this manufacturer is a commonly used waterproofing material. During use, this asphalt emulsifier has undergone rigorous testing and has excellent self-adhesive properties. It is highly practical and widely used.
2. The bitumen emulsifier produced by this manufacturer is very convenient to apply. No special equipment is required; only a few people and a small vehicle are needed for normal application. The operation is simple, convenient, and fast, and no professional training is required for workers. Importantly, the asphalt emulsifier has good water resistance, good low-temperature performance, and strong adhesion. After application, it does not deform and is not easily deformed by rainwater.

Asphalt road construction is a systematic project, and its operational process is as follows: First, in the preparation stage, the construction site must be cleaned and leveled, obstacles and debris removed, ensuring the base layer is solid, flat, and meets design requirements. Simultaneously, the required asphalt, aggregates, and other materials must be rigorously inspected to ensure quality standards are met, and the construction equipment must be properly tested. Next is the paving operation, where a paver is used to evenly spread the hot-mix asphalt mixture on the base layer, controlling the paving speed and thickness to ensure smoothness and uniformity. During the paving process, a dedicated person should inspect the paving quality and address any problems promptly. Then comes the compaction stage, where a road roller is used to compact the paved asphalt mixture in three stages: initial compaction, intermediate compaction, and final compaction. Initial compaction closely follows the paver to initially stabilize the mixture; intermediate compaction increases density; and final compaction eliminates wheel tracks. Strict requirements govern the compaction speed and number of passes at each stage. Finally, quality inspection is conducted to check whether the road’s smoothness, compaction, thickness, and other indicators meet design standards. After passing inspection, a smooth and durable asphalt road is built.

Details determine success or failure, and details should not be underestimated. What details need attention during the construction of an asphalt mixing plant? Today, the asphalt mixing plant manufacturer will introduce them to you: Qualified soil and lime cement plants are built on stable soil mixing plants. Concrete mixing plants have a mixing volume of cubic meters per hour. The tightness of the screw feeder blades should be checked regularly. Responsible for the daily management work of the department and the management and guidance of department employees. First, the evaluation and assessment of the roadbed before and after the main beam. The distance between the left and right points is calculated as the distance below the bed surface.
First, light, heavy, slow, fast, low to high. The fourth part of the system software design is the mixing plant workflow. Cleaning and shutting down, shutting down after shutting down, shutting down. The inlet method for achieving high-pressure or low-pressure pumping is shown in the figure. Antifreeze is mixed with the cement concrete surface during winter construction. The quality supervision station is required to determine the quality of the asphalt mixing plant.

as key equipment in road maintenance, possess comprehensive functions including cooling, dust removal, washing, and emergency response. Their technological value is reflected in the following dimensions:
I. Road Protection: Cooling and Structural Maintenance Utilizing a front-flush device (92 m3/h flow rate) and a 30-meter range water cannon in tandem, maintaining a travel speed of 25 m/min and a spraying interval of 90 minutes. The Zhengzhou case shows that during high-temperature periods, the road surface temperature decreased by 11℃, rut depth decreased by 38%, and the lateral temperature difference monitored by infrared sensors was ≤±2℃.
II. Air Purification: Dust Suppression and PM2.5 Control An external mixing self-priming pump (≤7-meter self-priming height) combined with a 45° upward-angle side spray maintains a stable water pressure of 0.8-1.2 MPa. By switching the droplet size (120μm/80μm) at different times, PM10 concentration is reduced by 42 μg/m3, and respirable dust is reduced by 38%. III. High-Pressure Washing: Rainwater and Sewage Co-operation

The world is rapidly moving towards carbon neutrality, and the road construction industry is undergoing a green transformation. Asphalt mixing plants are at the heart of this shift, contributing to low-carbon and sustainable road construction. They support carbon emission reduction, improved energy efficiency, material recycling, and intelligent management. With these capabilities, modern asphalt mixing plants offer technical, economic, and environmental benefits to contractors, regulators, and investors.

Asphalt mixing plants (also known as asphalt batching plants) are complete sets of equipment used to produce asphalt concrete. According to different classification standards, Shandong asphalt mixing plants can be classified into the following types:
I. Classification by Mixing Method
1. Continuous Drum Type:
Features: Employs a continuous, uninterrupted mixing method. The heating and drying of aggregates and the mixing of the mixture are carried out continuously in the same drum.
Advantages: Simple process flow and relatively simple equipment.
2. Intermittent Forced Type:
Features: First, the pre-mixed cold aggregates are added to the drying drum for drying. Then, the hot aggregates are lifted to a vibrating screen for screening. After being metered in the hot storage silo, they are added to the mixing pot along with metered mineral powder and asphalt to form an asphalt mixture. The heating and drying of aggregates and the mixing of the mixture are carried out periodically and by force.
Advantages: Due to the secondary screening of aggregates and the secondary metering of asphalt, the aggregate ratio and the ratio of aggregate to asphalt are more accurate.

Cold-applied pavement patching is suitable for repairing various types of road surface damage.
It is effective for repairing general potholes and cracks. For example, small potholes caused by vehicle wear on urban roads can be quickly filled with cold-applied patching, restoring the road surface smoothness and ensuring smooth vehicle passage.
In rural roads, cold-applied patching can also be used for localized damage caused by natural settlement or small vehicle traffic. It requires no complex construction equipment or high-temperature heating and can be applied at room temperature, saving time and costs.
It is also suitable for road surface damage in parking lots. Cold-applied patching effectively repairs wear and potholes caused by frequent vehicle traffic, keeping the parking lot surface in good condition and improving the user experience.
In addition, small-area damage to roads within residential communities can also be repaired with cold-applied patching. Its application is convenient, quickly solving residents’ travel problems and minimizing the impact on daily life.
In summary, cold-applied pavement patching is a practical road repair material with advantages such as convenient application and good results when dealing with various small-scale and relatively simple road surface damage.