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Test: Pexgol vs HDPE for Brine Transportation

Test Of Pexgol Pipes Vs Hdpe Pipes For Brine Transportation

Estudo de Caso Nº

43

Cliente

YBL
Bolivia

|

2017

Condições de Trabalho

Concentration: 1.25 gr / ml of salts dissolved in brine Bomb: Gurman Rupp Series T4A Tension: 380 V three-phase 50 HZ 1470 RPM Average operating hours: 12 hours

Solução Pexgol

Aplicação

x

Comprimento

Categorias

Test Of Pexgol Pipes Vs Hdpe Pipes For Brine Transportation

Objective

Establish the best behavior of Pexgol pipes to the formation of scale that produce the transport of brine. This will be done by obtaining less scale deposited on the internal surface of the Pexgol pipe compared to an HDPE pipeline operating both under the same conditions.

Measuring Variables

The above will be determined by evaluating the results of the following
measurement variables:

  • Thickness of the deposited incrustation, this will be measured with a flexometer. The unit of measurement will be in millimeters.
  • Amount of washing cycles required during the test period, the number of times it was necessary to wash the HDPE line and the Pexgol line during the 30 days of the test will be established.

Results

First 7 days of trial:

HDPEPexgol
Stainless steel 316L, Sch. 20With 3/4 of incrustation of the internal diameter of the pipe in all its length, as much in the suction as in the discharge.No incrustation along the pipe, both in the suction and in the discharge. There are only rings of inlays in the joints.
WashingYesNo
Wash-out time3 hoursN/A
Amount of incrustation in suction43 kg2,4 kg
CavitationYesNo
Flow rate at the end of the test21 m3/h35 m3/h
Volume5768 m37140 m3

Note: At the request of the YLB supervisors after 7 days, the pipes were repositioned.

 

Results after 14 days of testing:

HDPEPexgol
Stainless steel 316L, Sch. 20With 3/4 of incrustation of the internal diameter of the pipe in all its length, as much in the suction as in the discharge.No incrustation along the pipe, both in the suction and in the discharge. There are only rings of inlays in the joints.
WashingYesNo
Wash-out time3 hoursN/A
CavitationYesNo

 

Pexgol Pipe:

Test Of Pexgol Pipes Vs Hdpe Pipes For Brine Transportation

HDPE Pipe:

Test Of Pexgol Pipes Vs Hdpe Pipes For Brine Transportation

Results in Images

Discharge to the pools: Pexgol vs HDPE

Suction from the pumps: Pexgol vs HDPE

Discharge elbows: Pexgol vs HDPE

Discharge to the pools: Pexgol vs HDPE

Results in Video

Discharge after 7 days: Pexgol vs HDPE

Cleaning process of an HDPE pipe

Cleaning process of a Pexgol pipe

Cavitation of a HDPE pipe

Economic Savings

CAPEX Costs

CAPEX CostsHDPE PipePexgol Pipe
Pipe Cost2000 USD3000 USD
Washing System Cost3850 USD0 USD
Total5850 USD3000 USD
CAPEX Savings49%

Monthly OPEX Costs

HDPE PipePexgol Pipe
Monthly Maintenance Costs1800 USD20 USD
Frequency of maintenance15 Monthly1 Monthly
Maintenance Staff4 People4 People
Maintenance Time3h0.5h
HH Maintenance180h2h
Price HH10 USD10 USD
Monthly Water Consumption Cost18 USD1 USD
Water Cost per 1m31.5 USD1.5 USD
Water Consumption0.8 m30.4 m3
Monthly washing time (1 hour per wash)15 h1 h
Total1818 USD21 USD
Montly OPEX Savings99%

Economical Benefits

HDPEPexgol
Price Monthly Brine Volume23,072 USD28,560 USD
Brine Price per m31 USD1 USD
Transported Volume after 1 week5,738 m37,140 m3
Transported Volume after 1 month23,072 m328,560 m3
Pexgol Benefits5,488 USD

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