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            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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