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Advanced Sludge Thickening Screw Press for Efficient Dewatering

FULL HEAT SOURCE DRYING TECHNOLOGY

The EKOSEP Belt type Dryer is suitable for gentle drying of wet materials such as sludge, wood chip, bark, grass, husk, fermentation waste, household waste, coal and animal waste.
Belt type drying technology belongs to conventional drying technology. BT series belt dryer is environmental-friendly, high-efficient, energy-saving and compact.
It can reduce sludge moisture from 85%~60% to below 10% dryness (adjustable between 50%~10%). It meets pasteurization conditions and truly achieves sludge reduction, stabilization and pollution-free objectives.

Full Heat Source Drying Technology Belt Type Dryer

DRYING PROCESS
The wet mechanically dewatered product (18-30% DM) is continuously fed into the top of the dryer through a distribution hopper that spreads the product evenly on the belt.
Products such as sewage sludge must be granulated first to increase material surface area for more efficient heat transfer and evaporation. Full drying up to 95% DM is achievable.
A perforated stainless steel belt transports the product gently through the dryer to avoid friction, thereby reducing dust explosion risk.
As the product passes through successive chambers, internal air temperature increases progressively to heat the material to the desired level (approx. 70-130°C).
At the end of the upper belt, the product transfers to the second belt where evaporation is completed. The product is cooled as it returns to the dryer outlet.
Chamber temperatures are constantly monitored to automatically control belt speed and feeding device, ensuring optimal drying time and consistent product quality.
Full Heat Source Drying Technology Belt Type Dryer

Various Heating Methods Are Available

The outstanding advantage of the EKOSEP Belt Dryer is its ability to utilize low-temperature heat sources often regarded as waste heat.
Structure can be adjusted to site requirements, supporting direct or indirect heating.
Common optional heat sources: heat pumps, steam, natural gas, biogas, hot water, waste gas and other low-grade heat sources.
 

EVAPORATION MECHANISM

Water evaporation rate can be expressed by the formula:
 
W = a · Tb · Pc · Vd· He
 
  • . W: Water Evaporation Rate
  • . T: Temperature
  • . P: Atmospheric Pressure
  • . V: Surface Air Velocity
  • . H: Surface Humidity
  • . a, b, c, d, e: regression coefficients (c and e are negative)
Full Heat Source Drying Technology Belt Type Dryer
Higher temperature and air velocity → faster evaporation.
Lower surface pressure and humidity → faster evaporation.
 

Full Heat Source Drying Technology Belt Type DryerFLOW PROCESS

Simple, Reliable, and Safe
 
1.Dewatered or digested sludge is continuously fed into the molding zone of the dryer.
2.Sludge is compressed into a spaghetti-like strip shape in the molding machine.
3.Strips are evenly distributed on the perforated conveyor belt; increased surface area improves heating and dewatering efficiency.
4.Belt runs at several centimeters per minute to avoid dust generation.
5.Temperature rises gradually (60-130°C depending on heat source); sludge is heated to 80°C for evaporation.
6.Heat exchangers recover heat from condensate to maximize thermal efficiency.
7.Blowers maintain process gas circulation and system negative pressure.
8.High-temperature heat pump supplies 90°C hot liquid for drying and cold liquid for condensation.
9.Full PLC control; compatible with plant remote control / DCS system.
10.After 50-70 minutes, final product is discharged; constant temperature and retention ensure pathogen kill meeting USEPA and EU Class A standards.
 

Full Heat Source Drying Technology Belt Type Dryer
DRY SLUDGE WITH 90% SOLIDS

Full Heat Source Drying Technology Belt Type DryerFull Heat Source Drying Technology Belt Type Dryer

EKOSEP Belt Dryer can be customized to meet your solution.
  • . Particle size: 3-5 mm
  • . Dust content (particle size <0.3 mm): ≤1% by weight at >90% DS
  • . Low dust, biologically stable, good handling performance
  • . Modular design: capacity expandable by adding drying modules
  • . Customizable per customer requirements
  • . BT series water evaporation capacity: 1-6 tons per hour
  • . Suitable for all kinds of biochemical sludge treatment
  • . Supports multi-unit parallel operation for large centralized drying plants to small regional stations
  

ADVANTAGES OF THE BELT DRYING PROCESS

  1. Flexible Processing Capacity
    Semi-drying or full-drying based on process requirements.
     
  2. Low dust load
    <5 mg/Nm³; static conveying with no mechanical force on product.
     
  3. Low maintenance costs
    Simple design, slow-moving parts, easy maintenance.
     
  4. Low gas emission
    High-efficiency gas circulation with steam condensation; exhaust treated by BF filter.
     
  5. Low COD load
    Evaporated condensate COD <200 mg/L due to low drying temperature (60-140°C).
     
  6. Pasteurization
    Product core temperature reaches 80°C and holds for 40-60 minutes to effectively kill pathogens.
     
  7. Product disposal & utilization
    Dried sludge is safe for direct landfill, incineration or composting.
     
  8. Low energy consumption
    Full insulation + high-efficiency internal hot air circulation.
     
  9. Low supporting investment
    Compact, scientific structure reduces plant investment.
     
  10. Fast start/stop
    Full load in 15 minutes; shutdown in 20 minutes.
     
  11. Multi heat source compatibility
    Adaptable to on-site heat sources: natural gas, oil, steam, hot water, thermal oil, engine waste heat, flue gas.
     
  

BELT DRYING MACHINE - CONTROL SYSTEM

Dust explosion risk

Sludge conveyed in static state; dust concentration <5 mg/Nm³ → no explosion risk.
 

Fire risk

  • Online temperature & CO monitoring
  • Chamber temperature limited ≤150°C (below sludge smoldering point)
  • Integrated fire sprinkler system
 

Combustible gas explosion risk

  • Drying temperature only 80°C; low organic volatile emission
  • Exhaust and fresh air dilution keep gas concentration below explosion limit
  • No need for inert gas or oxygen control
  • Longitudinal active circulating air prevents local gas accumulation


TECHNICAL SPECIFICATIONS
1. Heat Source: Steam

Model Water Evaporation Capacity (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate Capacity m³/h (Δt=10)
PBT 2/2000-04 350 26 7000 - 2700 28500 27
PBT 2/2000-06 530 41 9000 - 2900 29500 41
PBT 2/2000-08 700 47 11000 - 3300 33000 52
PBT 2/2000-10 900 60 13000 - 3900 39500 68
PBT 2/2000-12 1080 66 15000 - 4300 43000 82
PBT 2/2000-14 1250 75 17000 - 4700 47500 93
PBT 2/2000-16 1400 87 19000 - 5300 53000 109
PBT 2/2000-18 1600 93 21000 - 5600 56000 120
PBT 2/2000-20 1800 103 23000 - 6200 62500 136
PBT 2/3000-08 1050 63 11000 - 4300 43000 82
PBT 2/3000-10 1350 73 13000 - 4800 48000 100
PBT 2/3000-12 1600 91 15000 - 5300 53000 120
PBT 2/3000-14 1850 101 17000 - 5800 58000 143
PBT 2/3000-16 2100 128 19000 - 6600 66900 159
PBT 2/3000-18 2400 135 21000 - 7700 77700 181
PBT 2/3000-20 2600 143 23000 - 8700 87500 204
PBT 2/3000-22 2900 158 25000 - 9600 96800 227
PBT 2/3000-24 3200 165 27000 - 10600 106100 238
PBT 2/3000-26 3500 173 29000 - 11200 112400 261
PBT 2/3000-28 3700 196 31000 - 11800 118500 283
 

2. Heat Source: Natural Gas

Model Water Evaporation (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-04 320 30 7000 3300 2800 28500 25
PBT 2/2000-06 480 40 9000 - - 29500 36
PBT 2/2000-08 640 51 11000 - - 33000 49
PBT 2/2000-10 800 64 13000 - - 39500 61
PBT 2/2000-12 950 70 15000 - - 43000 73
PBT 2/2000-14 1100 79 17000 - - 47500 86
PBT 2/2000-16 1280 83 19000 - - 53000 97
PBT 2/2000-18 1440 98 21000 - - 56000 111
PBT 2/2000-20 1600 112 23000 - - 62500 122
PBT 2/3000-08 960 67 11000 - 2800 43000 73
PBT 2/3000-10 1200 77 13000 4300 - 48000 91
PBT 2/3000-12 1400 95 15000 - - 53000 110
PBT 2/3000-14 1680 106 17000 - - 58000 127
PBT 2/3000-16 1900 132 19000 - - 66900 147
PBT 2/3000-18 2150 140 21000 - - 77700 165
PBT 2/3000-20 2400 148 23000 - - 87500 184
PBT 2/3000-22 2650 165 25000 - - 96800 204
PBT 2/3000-24 2880 172 27000 - - 106100 218
PBT 2/3000-26 3100 180 29000 - - 112400 238
PBT 2/3000-28 3400 204 31000 - - 118500 260


3. Heat Source: 90°C Hot Water

Model Evaporation (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-04 190 26 7000 3300 2800 29500 15
PBT 2/2000-06 280 41 9000 - - 30500 22
PBT 2/2000-08 390 47 11000 - - 34000 28
PBT 2/2000-10 480 60 13000 - - 41500 37
PBT 2/2000-12 575 66 15000 - - 45000 45
PBT 2/2000-14 670 75 17000 - - 47500 51
PBT 2/2000-16 770 87 19000 - - 55000 59
PBT 2/2000-18 860 93 21000 - - 58000 65
PBT 2/2000-20 960 103 23000 - - 64500 74
PBT 2/3000-08 580 63 11500 - 2800 46000 45
PBT 2/3000-10 720 73 13500 4300 - 51000 55
PBT 2/3000-12 860 91 15500 - - 56000 65
PBT 2/3000-14 1000 101 17500 - - 62000 78
PBT 2/3000-16 1150 128 19500 - - 69300 87
PBT 2/3000-18 1290 135 21500 - - 82500 99
PBT 2/3000-20 1440 143 23500 - - 93500 111
PBT 2/3000-22 1580 158 25500 - - 101600 124
PBT 2/3000-24 1720 165 27500 - - 113300 130
PBT 2/3000-26 1870 191 29500 - - 118400 142
PBT 2/3000-28 2010 196 31500 - - 124500 154


4. Heat Source: Heat Pump / Electricity

Model Evaporation (kg/hr) Heat Pump Qty Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-06 280 2 120 9500 3300 2800 31500 7
PBT 2/2000-08 390 3 169 11500 - - 36000 10
PBT 2/2000-10 480 4 219 13500 - - 43500 13
PBT 2/2000-12 575 5 268 15500 - - 48000 15
PBT 2/2000-14 670 5 292 17500 - - 52500 18
PBT 2/2000-16 770 6 342 19500 - - 59000 20
PBT 2/2000-18 860 7 396 21500 - - 63000 22
PBT 2/2000-20 960 7 427 23500 - - 70500 24
PBT 2/3000-16 1150 9 503 19000 4300 2800 70500 28
PBT 2/3000-18 1290 10 563 21000 - - 84500 33
PBT 2/3000-20 1440 11 628 23000 - - 95500 36
PBT 2/3000-22 1580 12 683 25000 - - 107000 40
PBT 2/3000-24 1720 13 744 27000 - - 117500 43
PBT 2/3000-26 1870 14 811 27000 - - 128000 47
PBT 2/3000-28 2010 15 866 29000 - - 139500 50


GENERAL NOTES (All Models)

  • Wet sludge moisture range: 85%-55% (varies by sludge type)
  • Dry sludge moisture: 10% (adjustable 10%-40%); final particle size 3-5 mm
  • Applicable to most sludge types; actual evaporation varies slightly with sludge characteristics
  • Control: PLC + touch screen; customizable DCS integration
  • Meets EPA 503a standard (pasteurization qualified)
  • Material: Main body SS304; condenser SS316L
  • Dryers can be fully customized per requirements
PROJECT REFERENCES
  1. Ningbo Ruihai Refining & Chemical Co., Ltd.
    Capacity: 24 ton/day; Sludge: Petrochemical; Evaporation: 850 kg/hr; Heat: Steam
     
  2. Zhengzhou New District Sewage Treatment Plant
    Capacity: 100 ton/day; Sludge: Sewage
     
  3. Shijiazhuang Refining & Chemical Co., Ltd.
    Capacity: 24 ton/day; Sludge: Petrochemical; Evaporation: 850 kg/hr; Heat: Steam
     
  4. Cixi North Sewage Treatment Plant
    Capacity: 130 ton/day; Sludge: Sewage; Evaporation: 1780 kg/hr; Heat: Steam
     
  5. China Shenhua Coal-to-Liquids Chemical Co., Ltd
    Capacity: 20 ton/day; Sludge: Coal chemical; Evaporation: 600 kg/hr; Heat: Steam
     
  6. Changsha Liantai Water Purification Co., Ltd
    Capacity: 125 ton/day; Sludge: Sewage; Evaporation: 3700 kg/hr; Heat: Natural Gas
     
  7. Meishan Municipal Sludge Drying Project
    Capacity: 150 ton/day; Sludge: Sewage; Heat: 90°C Hot Wate

FULL HEAT SOURCE DRYING TECHNOLOGY

The EKOSEP Belt type Dryer is suitable for gentle drying of wet materials such as sludge, wood chip, bark, grass, husk, fermentation waste, household waste, coal and animal waste.
Belt type drying technology belongs to conventional drying technology. BT series belt dryer is environmental-friendly, high-efficient, energy-saving and compact.
It can reduce sludge moisture from 85%~60% to below 10% dryness (adjustable between 50%~10%). It meets pasteurization conditions and truly achieves sludge reduction, stabilization and pollution-free objectives.

Full Heat Source Drying Technology Belt Type Dryer

DRYING PROCESS
The wet mechanically dewatered product (18-30% DM) is continuously fed into the top of the dryer through a distribution hopper that spreads the product evenly on the belt.
Products such as sewage sludge must be granulated first to increase material surface area for more efficient heat transfer and evaporation. Full drying up to 95% DM is achievable.
A perforated stainless steel belt transports the product gently through the dryer to avoid friction, thereby reducing dust explosion risk.
As the product passes through successive chambers, internal air temperature increases progressively to heat the material to the desired level (approx. 70-130°C).
At the end of the upper belt, the product transfers to the second belt where evaporation is completed. The product is cooled as it returns to the dryer outlet.
Chamber temperatures are constantly monitored to automatically control belt speed and feeding device, ensuring optimal drying time and consistent product quality.
Full Heat Source Drying Technology Belt Type Dryer

Various Heating Methods Are Available

The outstanding advantage of the EKOSEP Belt Dryer is its ability to utilize low-temperature heat sources often regarded as waste heat.
Structure can be adjusted to site requirements, supporting direct or indirect heating.
Common optional heat sources: heat pumps, steam, natural gas, biogas, hot water, waste gas and other low-grade heat sources.
 

EVAPORATION MECHANISM

Water evaporation rate can be expressed by the formula:
 
W = a · Tb · Pc · Vd· He
 
  • . W: Water Evaporation Rate
  • . T: Temperature
  • . P: Atmospheric Pressure
  • . V: Surface Air Velocity
  • . H: Surface Humidity
  • . a, b, c, d, e: regression coefficients (c and e are negative)
Full Heat Source Drying Technology Belt Type Dryer
Higher temperature and air velocity → faster evaporation.
Lower surface pressure and humidity → faster evaporation.
 

Full Heat Source Drying Technology Belt Type DryerFLOW PROCESS

Simple, Reliable, and Safe
 
1.Dewatered or digested sludge is continuously fed into the molding zone of the dryer.
2.Sludge is compressed into a spaghetti-like strip shape in the molding machine.
3.Strips are evenly distributed on the perforated conveyor belt; increased surface area improves heating and dewatering efficiency.
4.Belt runs at several centimeters per minute to avoid dust generation.
5.Temperature rises gradually (60-130°C depending on heat source); sludge is heated to 80°C for evaporation.
6.Heat exchangers recover heat from condensate to maximize thermal efficiency.
7.Blowers maintain process gas circulation and system negative pressure.
8.High-temperature heat pump supplies 90°C hot liquid for drying and cold liquid for condensation.
9.Full PLC control; compatible with plant remote control / DCS system.
10.After 50-70 minutes, final product is discharged; constant temperature and retention ensure pathogen kill meeting USEPA and EU Class A standards.
 

Full Heat Source Drying Technology Belt Type Dryer
DRY SLUDGE WITH 90% SOLIDS

Full Heat Source Drying Technology Belt Type DryerFull Heat Source Drying Technology Belt Type Dryer

EKOSEP Belt Dryer can be customized to meet your solution.
  • . Particle size: 3-5 mm
  • . Dust content (particle size <0.3 mm): ≤1% by weight at >90% DS
  • . Low dust, biologically stable, good handling performance
  • . Modular design: capacity expandable by adding drying modules
  • . Customizable per customer requirements
  • . BT series water evaporation capacity: 1-6 tons per hour
  • . Suitable for all kinds of biochemical sludge treatment
  • . Supports multi-unit parallel operation for large centralized drying plants to small regional stations
  

ADVANTAGES OF THE BELT DRYING PROCESS

  1. Flexible Processing Capacity
    Semi-drying or full-drying based on process requirements.
     
  2. Low dust load
    <5 mg/Nm³; static conveying with no mechanical force on product.
     
  3. Low maintenance costs
    Simple design, slow-moving parts, easy maintenance.
     
  4. Low gas emission
    High-efficiency gas circulation with steam condensation; exhaust treated by BF filter.
     
  5. Low COD load
    Evaporated condensate COD <200 mg/L due to low drying temperature (60-140°C).
     
  6. Pasteurization
    Product core temperature reaches 80°C and holds for 40-60 minutes to effectively kill pathogens.
     
  7. Product disposal & utilization
    Dried sludge is safe for direct landfill, incineration or composting.
     
  8. Low energy consumption
    Full insulation + high-efficiency internal hot air circulation.
     
  9. Low supporting investment
    Compact, scientific structure reduces plant investment.
     
  10. Fast start/stop
    Full load in 15 minutes; shutdown in 20 minutes.
     
  11. Multi heat source compatibility
    Adaptable to on-site heat sources: natural gas, oil, steam, hot water, thermal oil, engine waste heat, flue gas.
     
  

BELT DRYING MACHINE - CONTROL SYSTEM

Dust explosion risk

Sludge conveyed in static state; dust concentration <5 mg/Nm³ → no explosion risk.
 

Fire risk

  • Online temperature & CO monitoring
  • Chamber temperature limited ≤150°C (below sludge smoldering point)
  • Integrated fire sprinkler system
 

Combustible gas explosion risk

  • Drying temperature only 80°C; low organic volatile emission
  • Exhaust and fresh air dilution keep gas concentration below explosion limit
  • No need for inert gas or oxygen control
  • Longitudinal active circulating air prevents local gas accumulation


TECHNICAL SPECIFICATIONS
1. Heat Source: Steam

Model Water Evaporation Capacity (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate Capacity m³/h (Δt=10)
PBT 2/2000-04 350 26 7000 - 2700 28500 27
PBT 2/2000-06 530 41 9000 - 2900 29500 41
PBT 2/2000-08 700 47 11000 - 3300 33000 52
PBT 2/2000-10 900 60 13000 - 3900 39500 68
PBT 2/2000-12 1080 66 15000 - 4300 43000 82
PBT 2/2000-14 1250 75 17000 - 4700 47500 93
PBT 2/2000-16 1400 87 19000 - 5300 53000 109
PBT 2/2000-18 1600 93 21000 - 5600 56000 120
PBT 2/2000-20 1800 103 23000 - 6200 62500 136
PBT 2/3000-08 1050 63 11000 - 4300 43000 82
PBT 2/3000-10 1350 73 13000 - 4800 48000 100
PBT 2/3000-12 1600 91 15000 - 5300 53000 120
PBT 2/3000-14 1850 101 17000 - 5800 58000 143
PBT 2/3000-16 2100 128 19000 - 6600 66900 159
PBT 2/3000-18 2400 135 21000 - 7700 77700 181
PBT 2/3000-20 2600 143 23000 - 8700 87500 204
PBT 2/3000-22 2900 158 25000 - 9600 96800 227
PBT 2/3000-24 3200 165 27000 - 10600 106100 238
PBT 2/3000-26 3500 173 29000 - 11200 112400 261
PBT 2/3000-28 3700 196 31000 - 11800 118500 283
 

2. Heat Source: Natural Gas

Model Water Evaporation (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-04 320 30 7000 3300 2800 28500 25
PBT 2/2000-06 480 40 9000 - - 29500 36
PBT 2/2000-08 640 51 11000 - - 33000 49
PBT 2/2000-10 800 64 13000 - - 39500 61
PBT 2/2000-12 950 70 15000 - - 43000 73
PBT 2/2000-14 1100 79 17000 - - 47500 86
PBT 2/2000-16 1280 83 19000 - - 53000 97
PBT 2/2000-18 1440 98 21000 - - 56000 111
PBT 2/2000-20 1600 112 23000 - - 62500 122
PBT 2/3000-08 960 67 11000 - 2800 43000 73
PBT 2/3000-10 1200 77 13000 4300 - 48000 91
PBT 2/3000-12 1400 95 15000 - - 53000 110
PBT 2/3000-14 1680 106 17000 - - 58000 127
PBT 2/3000-16 1900 132 19000 - - 66900 147
PBT 2/3000-18 2150 140 21000 - - 77700 165
PBT 2/3000-20 2400 148 23000 - - 87500 184
PBT 2/3000-22 2650 165 25000 - - 96800 204
PBT 2/3000-24 2880 172 27000 - - 106100 218
PBT 2/3000-26 3100 180 29000 - - 112400 238
PBT 2/3000-28 3400 204 31000 - - 118500 260


3. Heat Source: 90°C Hot Water

Model Evaporation (kg/hr) Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-04 190 26 7000 3300 2800 29500 15
PBT 2/2000-06 280 41 9000 - - 30500 22
PBT 2/2000-08 390 47 11000 - - 34000 28
PBT 2/2000-10 480 60 13000 - - 41500 37
PBT 2/2000-12 575 66 15000 - - 45000 45
PBT 2/2000-14 670 75 17000 - - 47500 51
PBT 2/2000-16 770 87 19000 - - 55000 59
PBT 2/2000-18 860 93 21000 - - 58000 65
PBT 2/2000-20 960 103 23000 - - 64500 74
PBT 2/3000-08 580 63 11500 - 2800 46000 45
PBT 2/3000-10 720 73 13500 4300 - 51000 55
PBT 2/3000-12 860 91 15500 - - 56000 65
PBT 2/3000-14 1000 101 17500 - - 62000 78
PBT 2/3000-16 1150 128 19500 - - 69300 87
PBT 2/3000-18 1290 135 21500 - - 82500 99
PBT 2/3000-20 1440 143 23500 - - 93500 111
PBT 2/3000-22 1580 158 25500 - - 101600 124
PBT 2/3000-24 1720 165 27500 - - 113300 130
PBT 2/3000-26 1870 191 29500 - - 118400 142
PBT 2/3000-28 2010 196 31500 - - 124500 154


4. Heat Source: Heat Pump / Electricity

Model Evaporation (kg/hr) Heat Pump Qty Power (kW) Length (mm) Width (mm) Height (mm) Weight (kgs) Condensate m³/h
PBT 2/2000-06 280 2 120 9500 3300 2800 31500 7
PBT 2/2000-08 390 3 169 11500 - - 36000 10
PBT 2/2000-10 480 4 219 13500 - - 43500 13
PBT 2/2000-12 575 5 268 15500 - - 48000 15
PBT 2/2000-14 670 5 292 17500 - - 52500 18
PBT 2/2000-16 770 6 342 19500 - - 59000 20
PBT 2/2000-18 860 7 396 21500 - - 63000 22
PBT 2/2000-20 960 7 427 23500 - - 70500 24
PBT 2/3000-16 1150 9 503 19000 4300 2800 70500 28
PBT 2/3000-18 1290 10 563 21000 - - 84500 33
PBT 2/3000-20 1440 11 628 23000 - - 95500 36
PBT 2/3000-22 1580 12 683 25000 - - 107000 40
PBT 2/3000-24 1720 13 744 27000 - - 117500 43
PBT 2/3000-26 1870 14 811 27000 - - 128000 47
PBT 2/3000-28 2010 15 866 29000 - - 139500 50


GENERAL NOTES (All Models)

  • Wet sludge moisture range: 85%-55% (varies by sludge type)
  • Dry sludge moisture: 10% (adjustable 10%-40%); final particle size 3-5 mm
  • Applicable to most sludge types; actual evaporation varies slightly with sludge characteristics
  • Control: PLC + touch screen; customizable DCS integration
  • Meets EPA 503a standard (pasteurization qualified)
  • Material: Main body SS304; condenser SS316L
  • Dryers can be fully customized per requirements
PROJECT REFERENCES
  1. Ningbo Ruihai Refining & Chemical Co., Ltd.
    Capacity: 24 ton/day; Sludge: Petrochemical; Evaporation: 850 kg/hr; Heat: Steam
     
  2. Zhengzhou New District Sewage Treatment Plant
    Capacity: 100 ton/day; Sludge: Sewage
     
  3. Shijiazhuang Refining & Chemical Co., Ltd.
    Capacity: 24 ton/day; Sludge: Petrochemical; Evaporation: 850 kg/hr; Heat: Steam
     
  4. Cixi North Sewage Treatment Plant
    Capacity: 130 ton/day; Sludge: Sewage; Evaporation: 1780 kg/hr; Heat: Steam
     
  5. China Shenhua Coal-to-Liquids Chemical Co., Ltd
    Capacity: 20 ton/day; Sludge: Coal chemical; Evaporation: 600 kg/hr; Heat: Steam
     
  6. Changsha Liantai Water Purification Co., Ltd
    Capacity: 125 ton/day; Sludge: Sewage; Evaporation: 3700 kg/hr; Heat: Natural Gas
     
  7. Meishan Municipal Sludge Drying Project
    Capacity: 150 ton/day; Sludge: Sewage; Heat: 90°C Hot Wate
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