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      1. PWI Co., Ltd.

        Solutions

        Solutions

        Glass process wastewater

        Three years warranty

        Three years warranty

        Skidding assembly

        Skidding assembly

        Commissioning and training

        Commissioning and training

        Specificities

        Wastewater classification


        1、Saw blade cutting wastewater (sawmill wastewater)


        The main polluting components of glass processing wastewater are "coolant" and saw blade cooling water. Usually, the main components of the coolant are resin acid and its saponification products, unsaturated fatty acids and their saponification products, lignin and its degradation products. Resin acids are mainly rosin acid and hippuric acid and so on.


         2、grinding wastewater and trimming machine wastewater


        After processing the raw materials, the surface of the board is usually required to carry out further processing, there will be a lot of dust pollutants in the process. In order to reduce pollution, water is usually used as an auxiliary dust remover.


        The water consumption in the glass further processing industry is mainly in the pre-treatment process, including water for edge grinding, cooling water for drilling and water for washing. The wastewater generated from the pre-treatment process contains a large amount of glass silica powder as well as a small amount of silica powder, diamond grit, cutting paraffin, washing agent and citric acid. Therefore, the wastewater is characterised by large volume, high concentration of glass powder, difficult biochemical degradation, etc. In addition, there are some additives and oils in the water, and the wastewater is generally acidic.


        Process flow diagram

        Equipment list

        Capacity 5-75m3/h

        Name

        Basic system

        Quantity

        Senior system

        Quantity

        Full system

        Quantity

        System description

         Reaction system

        Feeding pump

        1 unit

        Feeding pump

        1 unit

        Feeding pump

        2 units

        The reaction system mainly doses right chemicals such as coagulants and coagulants to the sludge to induce flocculation of the sludge particles and improve their dewatering properties.

        Pipeline mixers

        2 pieces

        MR reaction cell

        1 set

        MR reaction cell

        1 set

        PAM dosing drum

        1 piece

        PAM dosing drum

        2 pieces

        PAM integrated dosing device

        1 set

        PAM dosing pump

        1 unit

        PAM dosing pump

        1 unit

        PAM dosing pump

        2 units

        PAC dosing drum

        1 piece

        PAC dosing drum

        2 pieces

        PAC dosing drum

        2 pieces

        PAC dosing pump

        1 unit

        PAC dosing pump

        1 unit

        PAC dosing pump

        2 units

        Flowmeter

        /

        Flowmeter

        /

        Flowmeter

        1 piece

         Sedimentation system

        VMC

        1 unit

        VMC

        1 unit

        VMC

        1 unit

        The sedimentation system is mainly for thickening the effluent and facilitating filter presses.

        Pneumatic Drainage Valve

        1 piece

        Pneumatic Drainage Valve

        1 piece

        Pneumatic Drainage Valve

        1 piece

        Mud pump

        1 unit

        Mud pump

        1 unit

        Mud pump

        2 units

        Water reuse system

        Water collection tanks

        1 piece

        Water collection tanks

        1 piece

        Water collection tanks

        1 piece

        The water collection system is mainly to reuse the supernatant after concentration to reduce cost and save money.

        Drainage pump

        1 unit

        Drainage pump

        1 unit

        Drainage pump

        2 units

        Filtration system

        Mixing tanks

        1 piece

        Mixing tanks

        1 piece

        Mixing tanks

        1 piece

        The main function of the filter press system is solid-liquid separation

        Feeding pump

        1 unit

        Feeding pump

        1 unit

        Feeding pump

        2 units

        KMP

        1 set

        KMP

        1 set

        KMP

        1 set

        Control system

        PLC control cabinet

        1 set

        PLC control cabinet

        1 set

        PLC control cabinet

        1 set

        The automation of all our equipment will be integrated into this system and will be fully automated.

        Accessaries

        Pipes, valves, cables, etc.

        1 batch

        Pipes, valves, cables, etc.

        1 batch

        Pipes, valves, cables, etc.

        1 batch

        Cables and pipe and valve fittings required within the system, depending on the customer's site.

        Please request a detailed list of system from our sales consultant.

        Function comparison

        Function

        Basic system

        Senior system

        Full system

        Fully automated control

        Faulty alarm

        Automatic reaction vessels

        -

        Automatic standby switchover

        -

        -

        Automatic dosage adjustment

        -

        -

        Inverter control or not

        -

        -

        Time between infusions

        4 hours

        8 hours

        Fully automatic


        Optional features

        Serial number

        Name

        Specifications

        Function

        1

        Special anti-corrosion

        FRP Coating for the liquid connection parts

        Prevents corrosion from high acid, salt, fluorine, etc.

        2

        Special materials

        304/316L etc.

        According to the user's material characteristics

        3

        skid mounted

        Patterned steel platform + fixed bracket + wire channel, piping, cables, etc.

        Easy to install, transport and flexible to move

        4

        PH automatic adjustment

        PH online monitoring + integrated control + acid and alkali dosing system

        Enables the effluent water to reach the standard PH value.

        5

        Precision filters

        Containing multistage centrifugal pumps

        Reducing the suspended solids content of filtrate and regulating water quality

        6

        flameproof

        DIIBT4/CT4 etc.

        Electrical components, motors, etc. placed in explosion-proof areas are classified according to different levels.

        7

        Conveyor systems/staging systems

        Conveyor / Hopper

        Mud cake can be collected by conveying equipment or staging systems, reducing labour.


        +86-523-88638888

        info@pwi-de.com

        66 Wuliangsi Road, Taizhou, Jiangsu, China

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