Asian Construction Equipment Group Co., Ltd. (abbreviated as ACE Group) specializes in providing full lifecycle services for asphalt mixing plants, and understands that installation and lifting are critical stages in ensuring equipment performance and extending service life. This guide is based on practical experience, streamlining core processes and technical points to provide efficient guidance for project implementation.
(一) Site and Foundation Acceptance
Inspect the site’s topography, geological bearing capacity, surrounding environment, and underground pipelines to ensure they meet the equipment layout requirements; inspect the foundation according to specifications, verifying dimensions, elevation, flatness, and concrete strength, ensuring there are no structural defects, and that the deviation of the anchor bolt pre-drilled holes is ≤ ±2mm.
(二) Drawing Review and Technical Briefing
Organize a multi-party review of the drawings to clarify key details such as structural layout and lifting procedures, and resolve design conflicts; the technical supervisor will brief the construction team, clarifying technical parameters, quality standards, and safety procedures.
(三) Equipment and Tool Preparation
Configure lifting equipment (with a safety factor ≥ 1.2) and high-precision tools according to production capacity and component weight. All equipment will be inspected and certified, and tools will be pre-calibrated to ensure continuous and reliable operation.
(一) Lifting and Installation Sequence
Follow the principle of “main components first, then secondary components; larger components first, then smaller components; lower components first, then upper components”: Mixer base → Aggregate/powder/asphalt supply system main body → Mixer main body → Dust removal/control room and other components → Accessories.
(二) Key Technical Points
Heavy components are lifted using dual cranes or a single crane with multiple balanced lifting points to ensure even stress distribution and synchronized operation; long structural components are lifted as a whole or in sections as needed, with ground pre-assembly to ensure accurate alignment; small, precision components are lifted using flexible lifting equipment to prevent damage. The lifting speed is ≤0.5 m/min, ensuring precise positioning.
1. Mixing Host: Base levelness deviation ≤ 0.2 mm/m, transmission system coaxiality ≤ 0.2 mm, blade clearance 5-10 mm, discharge gate seal without leakage.
2. Aggregate Batching System: Silo verticality ≤ 1 mm/m, conveyor belt deviation ≤ 5 mm/10 m, weighing error ±0.5%.
3. Powder Supply System: Tank verticality ≤ 1 mm/m, grounding resistance ≤ 4Ω, conveying clearance 2-3 mm, weighing error ±0.3%.
4. Asphalt Supply System: Tank levelness ≤ 1 mm/m, asphalt temperature control 130-160℃, pipeline seal without leakage, metering error ±0.5%.
(一) Quality Control
Incoming components undergo strict inspection, and critical components are subjected to non-destructive testing/trial runs; installation accuracy is monitored in real time, and process verification is implemented; connecting parts are tightened and sealed according to regulations, and pressure tests are conducted to ensure no leaks.
(二) Safety Management
Personnel receive pre-job training and assessment; barricades, warning signs, and fire/first-aid facilities are set up on site; equipment is regularly inspected and maintained; high-altitude work, lifting operations, and electrical work strictly adhere to specialized procedures.
(一) Use Cases
Suitable for various new construction, expansion, and renovation projects of asphalt mixing plants, covering municipal, highway, and airport road engineering projects. It can serve as a core basis for construction, supervision, and guidance.
(二) Frequently Asked Questions
Q1: How long does it typically take to install and assemble asphalt mixing plants of different capacities?
A1: The installation and hoisting period mainly depends on the production capacity of the concrete mixing plant and the on-site construction conditions. The typical project timelines for ACE Group are as follows: for small mixing plants (2000 type and below), the period is approximately 15-20 days; for medium-sized mixing plants (3000-4000 type), the period is approximately 25-35 days; for large mixing plants (5000 type and above), the period is approximately 40-60 days. If the site is restricted, requires night work, or encounters adverse weather conditions, the period may be extended accordingly. We will develop a precise schedule based on the actual site conditions during the early stages of the project to ensure timely completion.
Q2: During the installation process, how can we ensure the installation accuracy of the concrete mixing plant to avoid problems such as excessive vibration and high noise during subsequent operation?
A2: ACE Group controls installation accuracy through a “three-tiered guarantee”: first, it uses high-precision measuring equipment (laser alignment instruments, electronic levels) for real-time monitoring to ensure that key indicators remain within the design specifications; second, it implements a “process handover inspection” system, where each accuracy-related process must be reviewed and approved by the technical supervisor before proceeding to the next step;third, after the equipment is installed, conduct no-load and load test runs. Use vibration sensors and noise detectors to monitor the equipment’s operating status. If abnormal vibration or noise occurs, troubleshoot and adjust the equipment promptly (such as adjusting the main unit’s levelness and optimizing the coaxiality of the transmission system) to ensure stable operation.
Q3: How should we deal with the risk of deformation of large components (such as the mixing unit) during the lifting process?
A3: We will take comprehensive preventive measures before lifting: firstly, we will determine the optimal lifting points through finite element analysis and use a special balancing beam to distribute the load and avoid local stress concentration; secondly, we will adopt temporary reinforcement measures for heavy components (such as welding reinforcing bars) to improve the rigidity of the components; and thirdly, we will select lifting equipment with matching performance, control the lifting speed and posture, and avoid impact loads. If any signs of deformation are detected during the lifting process, we will immediately stop lifting and address the issue by adjusting the lifting points, adding reinforcement measures, or changing the lifting plan to ensure the safety of the components before continuing the operation.
Q4: What after-sales support services will your company provide after the installation is complete?
A4: ACE Group provides comprehensive after-sales support services:
1.After installation, a professional team will conduct equipment commissioning (including no-load and load testing) to ensure that all equipment performance meets the standards;
2. We provide specialized training for the owner’s operators, covering equipment operation, daily maintenance, and troubleshooting;
3.We provide a one-year free warranty service, with dedicated personnel conducting regular inspections during the warranty period to promptly resolve any equipment operating issues;
4.We establish a long-term service mechanism, providing lifelong technical support and spare parts supply services to ensure the long-term stable operation of the equipment.
Q5: The construction site is located near a residential area. How can we control construction noise and dust pollution?
A5: For construction sites near residential areas, we will implement specific environmental protection measures:
1.Noise control: We will use low-noise construction equipment, set up noise barriers, and schedule work times appropriately (avoiding 10:00 PM to 6:00 AM and lunch breaks). We will also minimize horn use during lifting operations to reduce noise impact;
2. Dust control: The construction site ground will be hardened, material transport vehicles will be covered with tarpaulins, and mist cannons and sprinkler systems will be used to suppress dust. Enclosed measures will be taken during the handling of powdery materials to prevent dust dispersion and ensure compliance with local environmental emission standards.
Asian Construction Equipment Group Co., Ltd. ensures safe and efficient installation and lifting operations through an integrated system encompassing “preliminary planning, process control, and full-cycle support.” This guide serves as a core technical reference; specific implementation requires adjustments based on actual project conditions.
Note: The content of this guide is based on Asian Construction Equipment Group Co., Ltd. practical experience and current standards and is for reference only.
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