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    Shandong Luwo Environmental Engineering Co., Ltd  Welcome to the official website of Luwohuayu


    Double screw sludge dewatering equipment
    Current location:Home ? Products

    Wechat customer service

    Consultation hotline:+86-186-6065-5623

    1、 Product overview

    The main body of lwhy spiral sludge dewatering machine is a filtering device which is composed of a fixed ring and a moving ring, and a spiral shaft runs through it. The front section is the concentration part, and the rear section is the dehydration part; the filter gap formed between the fixed ring and the swimming ring and the pitch of the screw shaft gradually decrease from the concentration part to the dehydration part. The rotation of the screw shaft pushes the sludge from the thickening section to the dewatering section, and at the same time, it constantly drives the movable ring to clean the filter seam to prevent blockage.

    The screw type sludge dewatering machine integrates automatic control cabinet, flocculation modulation tank, sludge thickening and dewatering body and liquid collecting tank. It can realize high-efficiency flocculation under the condition of full-automatic operation, and continuously complete sludge thickening and pressing dehydration, and return or discharge the collected filtrate.

    During the operation of the equipment, the sludge enters the filter cartridge from the feed port and moves to the discharge port by the screw shaft rotating blade. As the pitch between the spiral shaft and the rotating blade is gradually reduced, the pressure on the sludge is also increasing, and the water begins to dehydrate under the effect of the pressure difference, and the water flows out from the filter gap between the fixed plate and the movable plate. At the same time, the equipment relies on the self-regulation between the fixed plate and the movable plate The cleaning function is to clean the filter gap to prevent clogging, and the mud cake is discharged from the discharge port under the propulsion of screw shaft after sufficient dehydration.

    2、 Scope of application

    1. The screw type sludge dewatering machine can be widely used in municipal sewage treatment engineering and water treatment system in petrochemical, light industry, chemical fiber, paper-making, pharmaceutical, leather and other industrial industries.

    2. It is suitable for sludge in municipal sewage, food, beverage, chemical industry, leather, welding material, papermaking, printing and dyeing, pharmacy and other industries.

    3. Suitable for dewatering of high and low concentration sludge. When dewatering low concentration sludge (2000mg / L ~), there is no need to build thickening tank and storage tank, which can reduce construction cost, release phosphorus and produce anaerobic odor.

    3、 Process flow

    Process flow chart of stacked screw sludge dehydrator

    4、 Advantages of stacked screw sludge dehydrator

    1. It is suitable for dewatering of high and low concentration sludge. When the sludge with low concentration (2000mg / L) is dewatered, there is no need to build thickening tank and storage tank, which can reduce the construction cost, release phosphorus and produce anaerobic odor.

    2. It is not blocked, reduces the water consumption, saves the water cost and reduces the internal circulation burden caused by the return of cleaning water.

    3. The electric control cabinet, flocculation mixing tank and dehydration main body are integrated to reduce the floor area, and the installation is simple and convenient.

    4. The dehydrator is basically in closed operation, and the treatment is stable and timely, so as to reduce the odor on site and improve the working environment of workers.

    5. Through the electric control cabinet, the automatic 24-hour operation can be realized by connecting with the medicine soaking machine, mud pump and dosing pump, so as to reduce the labor intensity of the operators.

    6. The speed of screw shaft is low, 2-3 revolutions per minute, low power consumption, and there is no vibration and noise on site.

    7. Almost all the body is made of stainless steel, which can greatly extend the service life. The replacement parts only have spiral shaft and floating ring, which has a long service life.

    8. The daily maintenance time is short and the maintenance work is simple.

    9. The design is compact. The dehydrator contains electric control cabinet, metering tank, flocculation mixing tank and main body of dehydrator.

    10. It occupies a small space and is convenient for maintenance and replacement; it is small in weight and easy to carry.

    11. It has the function of self-cleaning. In order to reduce the amount of water needed to clean the inner seam, it is not necessary to clean the inner seam.

    12. Good at dehydration of oily sludge.

    5、 Quality assurance:

    Warranty period of 1 year, free maintenance, free replacement of parts not damaged by the buyer;

    After the warranty period, free technical support, cost price to provide accessories


    Shandong luwo Environmental Engineering Co., Ltd., the manufacturer of sewage treatment equipment, is a high-tech enterprise integrating sewage treatment technology research and development, equipment manufacturing, engineering installation and commissioning. It has developed and produced stacked screw sludge dewatering machine for many years. Luwohuayu lwhy stacked screw sludge dewatering machine has complete qualification, reliable quality, up to standard effluent and preferential price. It is your purchase of stacked screw sludge dehydrator The first choice of sludge dehydrator. If you want to know more about sludge dehydrator technology, please feel free to contact us!

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