Water Flow Engineering and Wastewater Management

Precise design, metallurgical analysis, and manufacturing of fluid control equipment and physical processes of water and wastewater treatment plants under international standards by the specialized department of Afra Sanat Kimia Holding.

1. Four-sided waterproof hatch

Screw Pump (Screw Pump)

This device is designed using a twin-screw and a chain drive power transmission system, and its driving force is provided by an electric motor and a helical gearbox. The device is designed in such a way that it allows fluid transfer at an installation angle of up to 42 degrees with high efficiency.

Main features

  • Suitable for transferring fluid with high flow rate
  • Durable and reliable industrial design
  • Customizability of most technical specifications
  • Driving force of the electric motor and helical gearbox

Applications

  • Water and sewage pumping stations
  • Urban and industrial treatment plants
  • Transporting raw water in large volumes
  • Transfer of industrial and urban wastewater
Screw Pump Screw Pump

3D image position Screw Pump

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Overall Dimention 3000X2200X2500 mm 13100X2700X3100 mm 13500X3400X3800 mm
Barrel Diameter (Screw Pipe Diameter) 52 inch 66 inch 87 inch
Screw Type Double Pitch Double Pitch Double Pitch
Screw Lead (Screw Pitch) 1100 mm 1400 mm 1850 mm
Max Installation Angle 42 ° 42 ° 42 °
Power (motor power) 45 Kw 90 Kw 160 Kw
Power Transmission System (Power Transmission System) Roller Chain Roller Chain Roller Chain
Screw Rotational Speed 47 rpm 43 rpm 38 rpm
Capacity (fluid transfer capacity) 300 lit/sec 500 lit/sec 900 lit/sec

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.

Four-sided sealed gate (Penstock)

A four-sided watertight gate is designed for precise control, reliable opening and closing of flow in channels, basins, and pressurized lines of water and wastewater facilities. The elastomeric sealing system on all four sides creates a strong and stable barrier against leakage.

Technical specifications

  • Equipped with a modern electric actuator
  • Sealing tape with an optimized P shape
  • PTFE guides for smooth motion
  • Inductive height-limiting sensors

Key applications

  • Water and wastewater treatment plants
  • Fluid pumping stations
  • Tank Flow Control Structures
Four-sided watertight valve Four-sided watertight valve

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Technical specifications / Opening dimensions 500X500 mm 800X800 mm 1000X1000 mm
Gearbox Type Worm Gearbox Worm Gearbox Worm Gearbox
Power Transmission (Power Transmission System) Universal Drive Shaft Universal Drive Shaft Universal Drive Shaft
Drive Axle Pitch (Threaded Shaft Pitch) TR 35X6 TR 35X6 TR 35X6
Gate Linear Speed 0.8 mm/rev 0.8 mm/rev 0.8 mm/rev
Materials (slide and frame materials) SS 304 SS 304 SS 304
Sealing Profile (Sealing System) P-Shaped EPDM Strip P-Shaped EPDM Strip P-Shaped EPDM Strip
Motor Power (Driving Motor Power) 0.25 Kw 0.55 Kw 0.7 Kw

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.

2. Three-sided watertight valve

Three-way Sealed Channel Penstock

The three-sided water-tight gate is designed for installation in open channels to control, block, or direct the flow of water and wastewater. The manual handwheel mechanism and mechanical power transmission system provide stable, smooth performance with low maintenance requirements.

Benefits of the structure

  • Manual steering wheel mechanism (handwheel)
  • Very strong lateral and bottom sealing EPDM
  • PTFE rail; smooth operation without the need for maintenance

Process-based user

  • Open process channels of treatment plants
  • Pretreatment paths and grit chamber
  • Temporary bypass flow stations
Three-way watertight valve Three-way watertight valve

Three-dimensional image position of the three-sided valve

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Technical specifications / Opening dimensions 500X500 mm 800X800 mm 1000X1000 mm
Drive Unit (Hydraulic Drive Unit) Manual Handwheel (Manual) Manual Handwheel (Manual) Manual Handwheel (Manual)
Gearbox Unit (Intermediate Gearbox Type) Worm Gearbox Worm Gearbox Worm Gearbox
Power Transmission (Power Transmission System) Universal Drive Shaft Universal Drive Shaft Universal Drive Shaft
Spindle Pitch (Threaded Shaft Pitch) TR 35X6 TR 35X6 TR 35X6
Main Material (Chassis and Slide Material) Stainless Steel 304 Stainless Steel 304 Stainless Steel 304
Slideways (Lubricating Rails) PTFE / Teflon PTFE / Teflon PTFE / Teflon
Sealing Strip (Three-Sided Water Seal Strip) EPDM P-profile EPDM P-profile EPDM P-profile

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.

3. Mechanical Trash Rack - Cable Type

Cable Mechanical Screen

An efficiently engineered system for collecting and separating waste and coarse solid particles in the inlet channels of treatment plants. In this equipment, the reciprocating movement of the cleaner bucket is controlled by a polyester belt and, by completely collecting the waste, it protects pumps and sensitive process equipment from blockage damage.

Motor features

  • Power transmission with ultra-strong polyester belt
  • Efficient automatic back-and-forth mechanism
  • Ability to install at an angle of 75 to 80 degrees
  • Sturdy chassis made of SS304 sheets

Operational advantages

  • Homogeneous and scheduled channel cleaning
  • High physical resistance to shear forces
  • Suitable for raw water and variable flow rates
  • Extremely high physical separation efficiency
Mechanical Cable Trash Rack Mechanical Cable Trash Rack

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Overall dimensions of the trash rack (W×L) 600X200 mm 700X200 mm 900X200 mm
Screen Bar Width (Width of the bar grid) 500 mm 700 mm 900 mm
Installation Angle (angle of installation to the horizon) 75 - 80 deg 75 - 80 deg 75 - 80 deg
Cable Linear Speed 350 mm/s 350 mm/s 350 mm/s
Drive Unit Power (Electric Motor Power) 0.75 kW 1.1 kW 1.5 kW
Transmission Material (Power Transmission Belt) Polyester Belt Polyester Belt Polyester Belt
Bucket Scrap Capacity 16 Liters 23 Liters 30 Liters
Volumetric Flow Capacity (Capacity at 10 meters height) 17 Lit/min 24 Lit/min 31 Lit/min

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.

4. Elevator Bucket Trash Screen

Mechanical Trash Separator of Bucket Elevator (Bucket Elevator Screen)

For deep inlet basins and channels that have very high organic and mineral loads, continuous bucket elevator screens are a selective, engineered, and efficient choice. The stainless steel chain transfer mechanism provides the strength and stability necessary to lift heavy waste from the bottom of the channel.

Robust mechanisms

  • A sturdy chain made of stainless steel
  • Vertical installation without the need for an angled foundation
  • Very short and optimal cycle speed
  • Exceptional mechanical stability under high flow

Operational efficiency

  • Waste extraction capacity up to 315 liters per minute
  • Continuous and focused cleaning of the channel floor
  • Reducing the need for human intervention in the process
  • Anti-lock system and torque control
Elevator bucket trash collector Mechanical bucket elevator screen

Position of the 3D image of the bucket trash trap

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Overall dimensions of the trash rack (W×L) 600X1050 mm 850X1050 mm 1050X1050 mm
Screen Bar Width (Width of the bar grid) 500 mm 700 mm 900 mm
Installation Angle (angle of installation to the horizon) 90 deg (full vertical) 90 deg (full vertical) 90 deg (full vertical)
Chain Linear Speed 660 mm/s 660 mm/s 660 mm/s
Power Transmission (Chain Drive System) Roller Chain Roller Chain Roller Chain
Motor Power (Electric Motor Power) 1.5 kW 2.2 kW 3.0 kW
Flow Extraction Capacity (Transfer capacity at 10 meters height) 175 Lit/min 245 Lit/min 315 Lit/min
Cycle Cleanup Time (Time of a full cycle) 7.5 sec 7.5 sec 7.5 sec

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.

5. Compactor Screw

Screw Conveyor Compactor

The wet waste output from the screening equipment contains a high percentage of free water. The screw compactor, while moving this waste horizontally or diagonally, performs an exceptional mechanical compression and dewatering process on it, resulting in a remarkable reduction of up to 50% in the volume and weight of the transported waste and preventing the generation of odor and pollution in the treatment plant.

Optimal water intake

  • Moisture reduction by continuous drainage of free water
  • Acid-resistant body made of SS304L stainless steel
  • Thick wear-resistant SS316 central shaft
  • Durable helical gearbox

Transportation facilitation

  • Reducing waste transportation costs
  • Complete prevention of organic sludge fluid secretion
  • Fully automatic and synchronized operation
  • Easy installation with adjustable angles
Compactor screw conveyor Compactor screw conveyor

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Overall dimensions (L×W×H) L4240 × W500 × H1300 mm L3750 × W500 × H1150 mm
Total Dry Weight (Total Dry Weight of Equipment) 430 kg 380 kg
Helical Gearbox Speed (Output speed of helical gearbox) 32 rpm 32 rpm
Main Shaft Thickness (Main Trunk Shaft) 4 inches (Stainless Steel 316) 4 inches (Stainless Steel 316)
Screw Rotational Speed 20 rpm 20 rpm
Screw Pitch (Pitch of Transit and Compact Helical Threads) 6×P300 + 10×P200 6×P250 + 9×P200
Flight Diameter (Propeller Blade Diameter) 300 mm 300 mm
Body Standard Material (Shell and Channel Material) SS304L (Low Carbon Hydraulic) SS304L (Low Carbon Hydraulic)

The above technical specifications can be changed and customized based on the client's needs and the project design conditions.