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Heat pump type box type sludge drying system

E-mail:info@diawee.com

Sludge is made of suspended solids in wastewater that are agglomerated and coagulated in different ways, with loose structure, irregular shape, very high water content in specific surface area and porosity, and poor dewatering.

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Heat pump type box type sludge drying system
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Beschreibung

  Sludge is made of suspended solids in wastewater that are agglomerated and coagulated in different ways, with loose structure, irregular shape, very high water content in specific surface area and porosity, and poor dewatering. The water in sludge has different forms of existence and thus the difficulty of removing water is also different. The main purposes of sludge treatment are:1. to reduce the volume of sludge, i.e. to reduce the water content of sludge, to create conditions for sludge transport, digestion, dewatering and comprehensive use, and to reduce the volume of sludge before final treatment.2. to sanitize and stabilize sludge, which contains a large amount of organic matter, various pathogens and other harmful substances (e.g. heavy metals), and if not stabilized will definitely become "Secondary pollution" leads to environmental pollution and spread of germs 3. Improving the composition and some properties of sludge through treatment in order to facilitate sludge resource utilization. The principles of sludge treatment are reduction, stabilization, non-hazardous and resourcefulness, and the most important operation in reduction and stabilization is the removal of water from sludge.

  The sludge low-temperature dryer adopts heat pump low-temperature dehumidification to evaporate the water in sludge, and then carry out closed condensation dehumidification ﹑ without losing heat in the process of dehumidification, without odor and dust emission, automatic operation, and large drying processing capacity. It provides a more convenient way of sludge treatment for the majority of enterprises, and further reduces the sludge treatment cost and transportation cost for enterprises.

 

Optional kits are inorganic nano-membrane ceramics, PH adjustment device, and oil removal equipment.

 

Closed type low temperature dryer
Stabilization and non-pollution Reduction Resourcefulness
The effective sterilization of dry mud reaches 90%, stable in nature and without secondary pollution. It can dry 83% water content sludge to 10%, with 80% reduction. Dried sludge pellets can be gasified, blended, incinerated, and can be used as biofuel, green soil, and for cement plants/building materials, etc.

 

Dryer principle

 

  Using the heat pump system, the wet air from the drying chamber is cooled down and dehumidified by the evaporator, and at the same time heated up and reheated by the condenser to dry hot air and sent into the drying chamber, so that the water in the sludge is separated through air circulation and discharged into the cesspool with the evaporator condensate.

 

Dryer features

  ☆ Deep dewatering and reduction infinite

  Multi-stage energy integrated processing, powerful drying reduction capacity, reduction up to 80% or more, overturning the traditional drying method exists in the high moisture content of dry mud, the technical bottleneck of weak reduction capacity.

  ☆ High efficiency dehumidification cost free

  Several invention patents innovation design, high efficiency and energy saving, dewatering per dry watt power can reach more than 4kg per hour, reducing the cost of more savings. More than 50% cost saving than traditional low temperature drying equipment.

  ☆ Closed cycle environment friendly

  It adopts closed cycle drying design, no odor emission, no need to install expensive deodorization system at secondary cost, and can be installed directly in the plant for centralized sludge disposal, low COO of condensate, and simple treatment.

  ☆Cold and heat balance energy saving and consumption reduction

  Adopting comprehensive energy application technology, heat and cold balance treatment and utilization, no heat loss, system working energy efficiency is more outstanding than the open type drying equipment with continuous moisture dissipation and heat supply.

  ☆ Heat pump drying without dust and explosion

  The heat pump is fully enclosed low-temperature drying operation, safe and environmental protection, no dust and explosion hazards, the discharge temperature is lower than 48C, no secondary cooling, and can be stored directly.

  ☆ Complete varieties of drying flexibility

  The drying capacity of the product is from 3kg ~ 100kg per hour to meet the drying requirements of different places, while the product is designed for comprehensive anti-corrosion to ensure the quality of the product and a longer service life.

  ☆Free setting of drying degree adjustable

  The drying time and drying temperature can be set freely to meet the requirements of the drying moisture content that is not needed, and the degree of control drying is more accurate, solving the difficulties of the traditional drying time and the degree of drying imprecision.

 

Model OML- D2400KSII D4800KSII D7200KSII D9600KSII D14400KSII D19200KSII D24000KSII
Standard water removal kg/24h 2400 4800 7200 9600 14400 19200 24000
Water removal kg/h 100 200 300 400 600 800 1000
Operating power kW 26 52 78 106 159 212 265
Number of heat pump modules 1 2 3 2 3 4 5
Number of compressor units 4 8 12 8 12 16 20
Cooling method Water-cooled (air-cooled optional) Water cooling

Cooling water flow rate

(temperature difference 15℃)

1.5 3 4.5 6 9 12 15
Refrigerant R134a
Power supply 380V/3N~50HZ
Drying temperature 48~56℃(return air)/65~80℃(supply air)
Control System Touch screen + PLC programmable controller
Scope of application of wet clay Moisture content (40%~60%) (different adaptability to different moisture content)
Water content of dry material

Variable frequency adjustment, moisture content (10%-60%)

(different adjustment range of dry material moisture content for different water content of incoming mud)

Forming method cut strips
Overall dimension length mm 3910 6610 9310 8000 11250 14500 17750
Dimension width mm 2250 2250 2250 3150 3150 3150 3150
Overall dimension height mm 2480 2480 2480 3250 3250 3250 3250
Structure form Assembling Assembling Assembling Assembling Assembling Assembling Assembling
Weight 3.1T 5.7T 7.8T 8.9T 12 T 15.2 T 17.5T
操作
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Kontakt

Nationales Kundentelefon:086-523-88858618

Verkaufs hotline: 8618052658218

E-mail: info@diawee.com

Adresse: No.88 Xingjiang Road, Jiangyan District, Taizhou, Jiangsu Provinz


Urheberrecht:Jiangsu Diawee Environmental Protection Technology Co., Ltd