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Sludge dryer

Sludge dryer production line generally includes the following system devices: heating system, conveying device, feeding system, discharging device, induced draft system, dust collector equipment, sludge dryer, instrument control system, etc.

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Brief introduction of sludge dryer

ZJN sludge dryer is made of wear-resistant and high temperature resistant stainless steel, which has better quality and longer service life than ordinary steel. The equipment can use natural gas, steam, biomass particles, fuel oil, coal, boiler exhaust and other heat sources for heating. From the appearance point of view, the main body of the sludge dryer adopts a multi return structure, which is shorter than the traditional single drum dryer, occupies a smaller area, and is convenient for installation and disassembly. It effectively solves the problems of easy adhesion and wall sticking in the drying process of high humidity and high viscosity sludge. The new internal structure of the cylinder greatly expands the application scope of the equipment, making ZJN sludge dryer suitable for drying different types of high humidity and high viscosity sludge in many industries.
In addition, ZJN provides users with perfect customized service of sludge dryer. According to the characteristics of materials, output, drying degree, site size and other requirements, scientific and reasonable drying scheme can be designed to meet the diversified drying needs of users.

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Advantages and disadvantages of sludge dryer

1. Design of high humidity and high viscosity sludge
In order to achieve the purpose of non sticking and non sticking, the internal structure of sludge dryer has been upgraded and modified by ZJN. Through the combined lifting device, the material moves at high speed under centripetal force, and is gradually dispersed into smaller particles, and fully contacts with hot air, increases heating energy utilization and drying speed, and avoids sludge sticking to the wall of the cylinder due to its loss of vitality It’s on.
2. Energy saving and low operating cost
The special multi return structure makes ZJN sludge dryer occupy less land area and effectively reduce the investment in infrastructure. In addition, the equipment has good thermal insulation performance and small heat loss. Compared with the traditional single drum equipment, fuel consumption is greatly reduced and the equipment operation cost is low.
3. Clean and dry, environmental protection up to standard
The equipment has good sealing performance, no dust particles overflow during drying process, and the production environment is clean. The waste gas can be discharged after being collected and filtered by bag dust collector, and can meet the environmental protection standards and discharge again. The user enterprise can use it without worry.
4. Wide range of applications
The traditional single drum equipment is directly in and out, single stage drying mode is changed, and the performance and advantages of the equipment are greatly expanded, which can be applied to drying high humidity and high viscosity materials in many industries.

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Applicable materials of sludge dryer

The sludge dryer is suitable for electroplating sludge, heavy metal sludge, leather sludge, chemical sludge, printing and dyeing sludge, textile sludge, pharmaceutical sludge, paper sludge, sewage plant sludge, municipal sludge, industrial hazardous waste sludge, alkali sludge, slag and other materials drying.

It is widely used in electroplating enterprises, metal processing enterprises, paper enterprises, textile printing and dyeing enterprises, pharmaceutical plants, sewage treatment plants, chemical enterprises and other industries.

Working principle of sludge dryer

During the production process of ZJN sludge dryer, the wet sludge is transported into the drum through the feeding device. The “rotary rake crushing” dispersal device set in the drum first breaks the sludge into small particles, then, under the rotation of the combined lifting device, the material is constantly thrown up and scattered, and the uniform material curtain is lifted on the cross section of the cylinder. The area of heat exchange is greatly increased, the evaporation intensity of the equipment in unit time is greatly increased, the heat energy is effectively used and the heat loss is reduced. Therefore, ZJN sludge dryer will work efficiently and dry well.

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The special exhaust mode can effectively avoid the phenomenon of moisture return at the end of the material and uneven drying. The whole drying process can be divided into three stages. While the sludge evaporates rapidly, the water vapor can be discharged from the end of each stage of drying. Compared with traditional drying equipment, ZJN sludge dryer has faster breaking speed, more scientific and reasonable arrangement of lifting device, making wet materials not easy to stick to wall and agglomerat

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