Sedimentation Tank Educational Equipment Hydrology Trainers

TB221018S03 Sedimentation Tank Educational Equipment Hydrology Trainers for college, vocational training center, university. 

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TB221018S03 Sedimentation Tank Educational Equipment Hydrology Trainers

INTRODUCTION

Sedimentation is a separation stage of solids suspended in a water volume or current where particles heavier than water settle due to the action of gravity. In the industry, the equipment designed to carry out the sedimentation operations are generally the sedimentation tanks, also known as clarifiers. These types of systems are mounted in stages of primary treatment to eliminate the particles in suspension, such as sands. The use of these tanks is also very effective to remove the colloids formed in chemical stages.

The Sedimentation Tank is a teaching unit, to become familiar with the settling of discrete or coagulated particles inside a tank.

It will also allow the study of the hydraulic characteristics of a rectangular sedimentation tank working in continuous mode.

The equipment is supplied with the required material to study the tank efficiency under different circumstances, modifying the relevant variables of the process, such as flow rates and concentrations. It also includes an ink injection system to trace the flow direction through the sedimentation tank and locate dead spaces and/or flow short-circuits.

GENERAL DESCRIPTION

The Sedimentation Tank is a teaching unit, to demonstrate the sedimentation process and to familiarize with the settling principle of discrete particles settling into a tank. It will also allow to study the hydraulic characteristics of a rectangular sedimentation tank which works in continuous.

As it is a laboratory unit, it allows to obtain valid conclusions about its operation and to apply them to the operation of a real scale unit.

The great advantage of the Sedimentation Tank unit is that its sedimentation tank is made of transparent material. So, this allows the student to understand the sedimentation principles. This fact allows to carry out several practices, as well as to make easier the comprehension of the different variables influence on the process.

The practical exercises start preparing a suspension in the suspension tank, placed at the unit lower part. A pump drives the suspension from the suspension tank to the sedimentation tank with a flow selected by using a regulation valve and measured by a flowmeter. This suspension is mixed with clean water at the sedimentation tank inlet. The clean water flow is controlled by a flowmeter by using its regulation valve.

Once the fluids are mixed, the current is passed into the sedimentation tank through the inlet weir. Here, the solids in suspension settle at the bottom.

The clarified water outlet is produced through the outlet weir at the tank outlet section. In this tank outlet section there is a flexible pipe on which the outlet clarified water quality can be analyzed.

The unit has a dye injection and tracer system, which allows to study the fluid current lines into the sedimentation tank.

It also has two adjustable in height baffle plates, which can be placed at any point of the tank length, what makes easier for the student the

possibility of changing the flow lines direction and its study.

As support to carry out the practical exercises, the following accessories are supplied: two Imhoff cones and a graduated test tube of 1 l.

SPECIFICATIONS

Anodized aluminum frame and panels made of painted steel.

The unit includes wheels to facilitate its mobility.

Main metallic elements made of stainless steel.

Diagram in the front panel with distribution of the elements similar to the real one.

Sedimentation tank, made of transparent material; length: 1000 mm, width: 400mm, height: 250 mm.

Dye injection and tracer system, which allows to study the fluid current lines into thesedimentation tank.

Two baffle plates, adjustable in height, what makes easier for the student the possibility of changing the flow lines direction and its study.

Suspension installation, consists of:

Suspension tank of 140 l.

Constant stirring in the suspension tank by a flow bypass impelled by the pump.

 Centrifugal pump, flow up to 80 l/min. Maximum height: 20 m.

 Flow regulation valve.

 Flowmeter, range: 0.2 – 2 l/min.

Clean water installation, consists of:

 Flow regulation valve.

 Flowmeter, range: 1.5 – 10 l/min.

Accessories included for the samples analysis:

 Two Imhoff cones of 1000 ml, to measure the solids concentrations.

 Graduated test tube of 1 l.

Cables and Accessories, for normal operation.

DIMENSIONS AND WEIGHTS

 -Dimensions: 1300 x 1400 x 700 mm approx.

 (51.18 x 55.11 x 27.55 inches approx.)

 -Weight: 150 Kg approx.

 (330 pounds approx.)

 

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