RDL352 Type Wastewater Treatment Sludge Dewatering Multi Disc Screw Press

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RDL352 Type Wastewater Treatment Sludge Dewatering Multi Disc Screw Press

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RDL352 Type Wastewater Treatment Sludge Dewatering Multi Disc Screw Press

Multi Disc Screw Press is widely used to dewater sludge of municipal administration wastewater, food, drink, slaughtering and breeding, printing, petrochemical engineering, papermaking, tannery and pharmaceutical.

Model: RDL352
Brand: Ryde Environment

Availability:

Technical Specification

Type	RDL352	Dry Sludge(DS) treating capacity	200-240kg/h
Solid content	10000-50000mg/L	Output sludge moisture content	75-85%
Power supply	According to customer's requirement	Motor protection level	IP55 F
Net weight	2100kg	Operating weight	3250kg
Dimension	4390mm(Length)×1650mm(Width) ×2130mm(Height)
Energy consumption of the whole machine
Power consumption	3.3kw
Water consumption	120L/h	Water supply pressure	0.1-0.2MPa
Flocculant consumption	2-8g-PAM/kg-DS, when the concentration of PAM is 0.1-0.2% (PAM means Polyacrylamide)
Detailed list of pipeline connection
Pipe port for sludge inlet		DN80 Flange Connection PN1.0Mpa JB/T81-94
Pipe port for filtrate outlet		DN150 Flange Connection PN1.0Mpa JB/T81-94
Pipe port for return flow		DN100 Flange Connection PN1.0Mpa JB/T81-94
Pipe port for sewage outlet of mixing tank		DN65 Flange Connection PN1.0Mpa JB/T81-94
Pipe port for flushing water inlet		DN20 Internal Thread Connection G3/4"
Pipe port for polymer inlet		DN25 External Thread Connection G1"
Material
Screw body		SS304/SS316
Mixing tank		SS304/SS316
Electric control panel		SS304/SS316
Note
1. The electronic control system can be customized according to customers'requirements. It can add PLC and communication module.
2. For detailed information and drawings, please contact our engineer.

Product Description

Multi disc screw press which uses the screw extrusion principle is a new type of solid-liquid separation device.

It reaches the goal of extrusion dewatering sludge by the powerful extrusion pressure of changing the screw diameter and distance, and the tiny spacing between moveable annular plates and fixed annular plates.

2根轴

Sludge will be transported to the dewatering department after being thickened in the thickening department.

In the advancing process, great pressure has been produced because of the gradually decreasing filter spacing and screw distance, and the back platen clogging.

Then the volume decreases continously, and the purpose of fully dewatering will be achieved.

Overall-structure

The main body of the Multi disc screw press is made of multiple fixed annular plates and moveable annular paltes with the screw shaft running through it.

The front part is thickening department and the ending part is dewatering department.

It can thicken and dewater sludge in one box, and has taken place of traditional filter clothes and centrifugal filtration method for its distinctive filter model.

Model Selection

Model-Selection

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Product Details

Electric-control-panel

包装照片

Application

Application-1

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Nowadays, environmental problems are becoming more and more serious, so sludge dewatering is becoming more and more widely used. Sludge dewatering machines include Plate and frame sludge dewatering machine; Belt Filter Press;Centrifugal sludge dewatering machine;Multi Disc Screw Press.
What factors affect use of flocculants？

Flocculants are most commonly used in wastewater treatment and sludge treatment. In the process of sludge concentrating and dewatering from secondary clarifier, flocculants should be added to mix with sludge evenly and then enter other equipment such as multi disc screw press or belt filter press. This can improve the sludge dewatering effect and enhance the efficiency of sludge dewatering. In the process of using flocculants, there are many factors that will affect the effect of using flocculants.
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Flocculants are most commonly used in wastewater treatment and sludge treatment. Flocculant should be added to mix with sludge evenly and then enter other equipment such as multi disc screw press or belt filter press. Flocculants can be divided into inorganic flocculants, organic flocculants and microbial flocculants.
What is flocculant for wastewater and sludge treatment?

Flocculants are most commonly used in wastewater treatment and sludge treatment. For example, the first step in the use of multi disc screw press or belt filter press is to add a certain amount of flocculant into the sludge to make the sludge flocculate into flocs, and then further treat the flocs. In use, it is necessary to dissolve the solid flocculant into a certain concentration of viscous water solution.
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The treatment of Sludge from Sewage-treatment is becoming a thorny problem. After long-term exploration and testing, A number of sewage treatment plants built in the early stage have still not found a good disposal plan. General sludge treatment process of Sewage-treatment Plant : Sludge concentration -> Sludge dewatering -> Sludge drying -> Sludge transportation -> Sludge landfill. Mud scraper and concentrator are usually used in concentrating stage. Multi disc screw press and belt filter press are usually used in dewatering stage. Sludge dryer is usually used in drying stage. There are fewer and fewer resources for storage, disposal and landfill. Enhanced supervision by environmental protection authorities around the world has led to unprecedented growth and expansion of sewage treatment worldwide. We will discuss this issue from several aspects.
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