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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: QWell
  • Model Number: QW-DRO-20
  • Capacity: 20m3/day
  • Seawater Temp.: 5-35°C
  • Environment Temp.: 0-45°C
  • Feed water: no more than 550000ppm
  • Inlet temperature: 5-35°C
  • Feed water flow: 2 m3/h
  • PH value of Feed Water: 3-9
  • Feed Water inlet pressure: 3-4kg/cm2/(Positive)
  • Desalination rate: more than 98%
  • Product water pressure: no more than 0.3Mpa

Packaging & Delivery

Packaging Details wooden case
Delivery Time 15 days after receipt of deposit
welcome

 

Desalination RO water treatment puficication system 

 

Function and service description

1              The flow diagram of the system attached to this subject proposal is designed to meet with standard requirement of the customer.

1.1 Model of Reverse Osmosis

1.2 One stage Reverse Osmosis

2              Boosting of feed water pressure and pre-treatment system

2.1 Real-time monitoring device of Reverse Osmosis System

2.2 Automatic cleaning and forward & backward flushing system with compressed air acceleration of the sand filter

2.3 Automatic chemical cleaning system

2.4 PLC monitoring and control device

2.5 Provision of spares parts accordance with manufacturers’ standards

2.6 On-site commissioning and training available upon demand of customers in China

3              Performance

3.1 System function

3.2 Sea water 75000ppm, for desalinating sea water into fresh water 600ppm

3.3 System under control and monitoring via PLC

3.4 Automatic cleaning and back-flushing system equipped for sand filter.

3.5 Over-pressure protection available for high pressure pump.

3.6 High pressure pump equipped with low-pressure protection device.

3.7 Working parameters(Feed water flow, product flow, brine flow, operation pressure, product water conductivity)

3.8 If the product water does not meet the required standard(i.e. salt content more than 600ppm), the system will discharge automatically and signaling alarm for attention.

3.9 Continuous alarm signaling system

 

Design and manufacture

1              Space required for maintenance at site : front & back>1000mm;left& right>1100mm

2              Pump module with compact design

3              Pump can be maintained without dismantling parts

4              Pump equipped with flexible jointer

5              Interface connection

                Feed sea water inlet pipe:DN50

                Concentrated water outlet:DN50

                Product water outlet:DN25

6              Material and corrosion proof requirement

                The components and piping that contact sea water are made in stainless steel 316L .

7              Color, name plate and mark

8              Name plate made in stainless steel, description in English.

9              Electric drawing with plastic coated is available in control cabinet.

10            Quality control

10.1        The filters are able to carry pressure under 1.0Mpa without deformation and damages.

10.2        Pressure damper under test 9.0Mpa without deformation and damages

11           Compatibility

11.1        The system consists of standardized parts, which are replaceable conveniently. Key parts components of high pressure pump speck, and the membrane from DOW (USA) are readily available world-widely.

12          Safety

12.1       Please fully follow the operation and guidance of subject specification

12.2       Please adjust the rotation of the motor to the correct direction before initial start-up

12.3       The unit is to be required for good earthing

12.4       Carbon steel coated support framework to be coated with anti-rusting agent

 

 

The system mainly includes follow parts

No

Item

Specification

Qty(set)

Remark

1

dosing syste

P056

3

USA

Reducing agent, scale inhibitor, ph regulator

2

Sand filter

D·H=1200X1800mm

1

Fiber glass

3

Valve sets

1-1/4

1

USA

4

Fine filter

1*40*5um

1

316L 10u

5

micro filter

1*20*5um

1

316L 3u

6

Seawater desnlination ptut

20t/d

1

Danfoss pump, GE RO membrane

 

Motor

Maker standard

1

15KW

 

High pressure pump

2m3/h

1

Danfoss

 

Membranes

SW-365

6

USA DOW

 

Membranes vessel

Ropv

3

1000psi

7

Pressure regulator

DN25

1

316L

8

Pressure gauge

0.4-10Mpa

8

316L

9

Flow meter

Maker standard

2

 

10

Conductivity meter

CM-230

1

0-2000ppm

11

Pressure switch

0.065-1.2Mpa

1

 

12

Solenoid valve

DN25

1

316L

13

Safety valve

DN25

1

 

14

Frame

stainless steel

1

 

15

Cleaning tank

300L

1

PE

16

PLC controller

 

1

High pressure pump frequency conversion start

17

Alarm System

 

1

 

18

Piping system

DN25

1

316L 

 

Pictures show:

 

service features

 

company introduction

 

contact
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