Waste Heat Dryer

Overview

Yipu Waste Heat Regenerative Adsorption Dryer achieves three core value breakthroughs through innovative waste heat utilization technology:

• Significant Economic Benefits: Saves over 80% energy compared to traditional dryers, with an investment payback period typically within 2 years.
• Outstanding Environmental Benefits: Fully utilizes waste heat resources to reduce carbon emissions, complying with green manufacturing and sustainable development requirements.
• Superior Technical Performance: Delivers stable dew point to ensure process quality, featuring high automation and low maintenance costs.

This product is particularly suitable for manufacturing enterprises with annual operating hours exceeding 6,000 hours and high electricity costs, serving as the preferred solution for energy-saving transformation of compressed air systems.

I. Market Pain Point Analysis

1. Excessive Energy Consumption of Traditional Dryers
   • Heat-regenerative dryers require additional electrical energy for heating, resulting in high energy costs.
   • Heatless regenerative dryers consume large amounts of compressed air, leading to substantial operational expenses.
2. Severe Energy Waste
   • High-temperature exhaust heat from air compressors is directly discharged without effective utilization.
   • Enterprises suffer from low comprehensive energy efficiency and persistently high operating costs.
3. Insufficient Dew Point Stability
   • Conventional adsorption dryers exhibit significant dew point fluctuations.
   • This affects precision manufacturing and process stability.

II. System Process Flow

Dual-Tower Alternating Working System:

1. Adsorption Drying Stage
   • High-temperature compressed air (110-150℃) enters Adsorption Tower A.
   • The adsorbent maintains excellent adsorption performance at high temperatures.
   • Dry air with a pressure dew point of -40℃ to -70℃ is produced.
2. Waste Heat Regeneration Stage
   • A portion of high-temperature dry air (≤6%) enters Tower B.
   • The adsorbent is regenerated using exhaust heat from the air compressor.
   • Regenerated waste gas is discharged through a silencing system.
3. Cooling and Purification Stage
   • The system automatically switches after regeneration is completed.
   • An air cooler and gas-liquid separator ensure the quality of the outlet air.

Intelligent Control System:

• PLC automatically controls the alternating operation of the two towers.
• Optional dew point meter control enables precise regeneration.

III. In-Depth Technical Principle Analysis

Temperature Swing Adsorption (TSA) Mechanism:

• Utilizes the adsorbent’s varying adsorption capacity at different temperatures.
• Adsorption capacity decreases at high temperatures, enabling thorough regeneration.
• Adsorption capacity increases at low temperatures, ensuring deep drying.

Waste Heat Utilization Technology:

• Directly uses exhaust heat (110-150℃) from the air compressor.
• Eliminates additional energy consumption, achieving true energy savings.

IV. Core Competitive Advantages

1. Exceptional Energy-Saving Effect
   • Reduces regeneration energy consumption by over 80%.
   • Fully utilizes air compressor waste heat to improve comprehensive energy efficiency.
2. Stable Low Dew Point Output
   • Pressure dew point stably maintained at -40℃ to -70℃.
   • Combined adsorption bed design ensures deep adsorption.
3. Intelligent Operation Control
   • PLC microcomputer controller enables precise control.
   • Supports communication and joint control for easy system integration.
4. Long-Life Design
   • Unique gas diffusion device ensures uniform air distribution.
   • High-quality adsorbent significantly extends service life.

V. Technical Strength

Innovative Technology Application:

• High-temperature adsorbent formulation technology.
• Intelligent heat management system.
• Low-resistance air distribution design.

Manufacturing Process Advantages:

• Integrated skid-mounted design ensures installation precision.
• Specialized adsorbent filling process.
• Strict airtightness testing standards.

VI. Product Series Introduction

Standard Series Configuration:

• YR-100 Series: Processing capacity 85.5-120 Nm³/min
• YR-200 Series: Processing capacity 150-250 Nm³/min
• YR-300 Series: Processing capacity 300-400 Nm³/min
• YR-500 Series: Processing capacity 450-510 Nm³/min

Optional Configurations:

• Auxiliary electric heating system (backup for extreme working conditions).
• Online dew point monitoring system.
• Remote monitoring interface.

VII. Application Scenario Solutions

Large Manufacturing Enterprises:

• Automotive Manufacturing: Gas for spraying and welding processes.
• Electronic Manufacturing: Gas for chip and LCD panel production.

Process Industry:

• Chemical Production: Instrument air and process gas.
• Pharmaceutical Industry: Gas for sterile production environments.

Energy-Intensive Industries:

• Iron and Steel Metallurgy: Blast furnace control systems.
• Power Industry: Power plant instrumentation and control systems.

VIII. Detailed Technical Specifications

Parameter Category	Technical Indicators	Remarks
Working Conditions
Inlet Air Temperature	≥110℃~150℃	Utilizes high-temperature exhaust from air compressor
Working Pressure Range	0.6-1.0 Mpa	Standard: 0.7 Mpa
Inlet Oil Content	≤0.1 PPM	Pre-installed precision filter required
Cooling Water Pressure	0.2~0.4 Mpa	Industrial circulating water
Cooling Water Inlet Temp	≤32℃
Performance Indicators
Pressure Dew Point	≤-40℃~-70℃	Under 0.7 Mpa condition
Regeneration Air Consumption	≤6%	Far lower than traditional dryers
Pressure Loss	≤0.04 Mpa	Low-resistance design
Air Processing Capacity	85.5-510 Nm³/min	Multiple specifications available
Technical Configuration
Adsorbent	High-strength specialized adsorbent	Long-life design
Working Cycle	8 hours (standard) or dew point control (optional)	Intelligently adjustable
Control Mode	PLC programmable control	Supports communication and joint control
Installation Method	Indoor flat ground, no foundation required	Rapid deployment
Utility Requirements
Power Supply	220V/50HZ
Power Consumption	100W	Low operating power consumption
Water Consumption	32-200 T/h	Determined by processing capacity
Structural Parameters
Equipment Weight	4100~18500 kg	Determined by specification
Overall Dimensions (L×W×H)	(3050~8000)×(2100~3300)×(2200~2850) mm	Integrated skid-mounted design