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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