一、Product Introduction
The Haipuou Environmental Protection sludge drying system is a new generation of energy-efficient, integrated equipment for sludge volume reduction and resource recovery, independently developed by the company. It overcomes the drawbacks of traditional high-temperature drying processes by innovatively combining "high-pressure cell-disruption dewatering" with "air-source heat pump low-temperature drying." This system achieves superior deep dewatering and drying, serving as core specialized equipment for the harmless treatment, volume reduction, and resource recovery of municipal and industrial sludge.
Utilizing a dual-stage process—high-pressure cell-disruption pretreatment followed by low-temperature gradient drying—the system treats various types of wet sludge, consistently reducing moisture content to below 20%. The resulting dried sludge granules possess a low heating value of 2,200–3,500 kcal/kg (varying based on organic matter content), offering high value for resource recovery; they can be fed directly into biomass boilers or used as blended fuel in circulating fluidized bed (CFB) boilers. This effectively resolves industry pain points such as disposal difficulties, land-intensive stockpiling, secondary pollution, and resource waste. The equipment features a fully enclosed, modular design and an intelligent PLC control system, enabling fully automated temperature control and smart operation and maintenance. Operating temperatures are controlled within an ultra-low range of 35–85°C, with an output temperature below 45°C; this eliminates the need for secondary cooling, allowing for direct storage and transport, and ensures stable, continuous operation within the facility.
二、Product Advantages
1. Safe operation at ultra-low temperatures, eliminating safety hazards
The equipment utilizes an ultra-low-temperature drying design (35–85°C), completely eliminating safety risks associated with traditional high-temperature drying systems—such as dust generation, spontaneous combustion, and explosions. The system operates safely and stably without any safety hazards. With no high-temperature or high-pressure conditions involved, it complies with various industrial safety standards and supports long-term, continuous, stable operation, fundamentally ensuring the safety of both the equipment and the production facility.
2. Fully enclosed, eco-friendly design achieving zero-pollution emissions
The system features an integrated, fully enclosed structure; sludge feeding, drying, and discharge occur entirely within a sealed environment, preventing the escape of odors or dust and avoiding secondary pollution to the facility and surrounding areas. The discharge temperature is ≤45°C, eliminating the need for auxiliary cooling infrastructure; the dried material can be stored directly on the ground. This simplifies installation, keeps the site tidy, fully meets environmental compliance standards, and allows for direct deployment in various types of production facilities.
3. Intelligent modular design for convenient and efficient O&M
The equipment employs a standardized, modular integrated design, resulting in a compact structure, easy assembly, and high adaptability. Equipped with a fully automatic PLC intelligent control system, it supports automatic temperature adjustment, intelligent speed control, and fault self-diagnosis with display. The system autonomously manages the entire drying process without requiring constant manual monitoring, making operation and troubleshooting simple and minimizing daily maintenance requirements, thereby significantly reducing the complexity of operations and maintenance.
4. Significant energy savings and reduced operating costs
Leveraging core low-temperature, energy-efficient air-source drying technology, the system consumes far less energy than traditional hot-air or high-temperature drying equipment, delivering outstanding energy-saving performance. The equipment offers a long service life and stable operation; it requires no additional auxiliary equipment or civil engineering investment and operates fully automatically without the need for extensive manual labor. This effectively cuts labor, energy, and O&M costs, resulting in exceptional overall cost-effectiveness.
5. Excellent drying results and high resource recovery rates
Utilizing a dual process of high-pressure cell disruption and low-temperature drying, the system achieves thorough sludge dewatering and drying, consistently maintaining a moisture content below 20%. The resulting dried sludge consists of uniform granules with a high calorific value. It can be directly utilized for boiler incineration (power generation) or thermal energy recovery, transforming sludge from waste into a valuable resource and truly achieving the management goals of sludge volume reduction, harmless treatment, and resource recovery.
三、Scope of Application
The Haipuou sludge drying system is safe, energy-efficient, highly adaptable, and delivers outstanding results in resource recovery. It meets the requirements for the deep drying and disposal of various types of municipal and industrial sludge and is widely used in environmental protection projects across multiple sectors. Its core applications include:
1. Municipal Sewage Sludge Disposal: Suitable for the deep drying of biochemical sludge, excess sludge, and settled sludge from urban and township wastewater treatment plants. It addresses issues such as high moisture content, large land footprint for stockpiling, high transportation costs, and the risk of secondary pollution.
2. Industrial Sludge Treatment: Highly adaptable to the drying and disposal of organic and process sludge generated by wastewater treatment in industries such as petrochemicals, light industry, chemical fibers, papermaking, pharmaceuticals, leather processing, and chemicals. It meets the need for on-site sludge treatment within industrial facilities.
3. Sludge Resource Recovery Projects: Specifically designed for sludge incineration, thermal energy recovery, and biomass utilization projects. Dried sludge meeting relevant standards can be directly used as fuel for biomass boilers or circulating fluidized bed (CFB) boilers, supporting sludge-to-energy and power generation initiatives.
4. Environmental Standard Upgrading Projects: Suitable for upgrading sludge disposal systems in aging wastewater treatment plants and industrial facilities. It resolves challenges associated with traditional disposal methods—such as failure to meet standards, inability to recover resources, and high O&M costs—thereby helping enterprises achieve environmental compliance, save energy, and reduce costs.
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