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1、 Equipment name: automatic secondary reverse osmosis purified water equipment

2、 Specification and model: hdnro grade II 20000l

3、 Equipment brand: Wenzhou Haineng wzhdn

4、 Product function description:

1. Mechanical filter:

It is mainly used to remove rust, sediment, algae, suspended solids and other impurities in the water, reduce the turbidity of water, make the turbidity of effluent less than 0.5ntu, CODMn less than 1.5mg/l, iron content less than 0.05mg/l, SDI ≤ 5. The control valve can be used for backwashing and forward washing at any time to wash off the dirt on its surface, prevent its blockage and restore its filtration capacity.

2. Activated carbon filter:

Activated carbon has a strong adsorption and filtration performance, and has a strong adsorption effect on residual chlorine, heterochromatic, peculiar smell and organic matter in water. As the reverse osmosis membrane is very sensitive to residual chlorine and organic matter, activated carbon must be configured to absorb residual chlorine and organic matter, so that the residual chlorine in the effluent is less than 0.1mg/l, and SDI is less than 4. Firstly, it can meet the water supply requirements of reverse osmosis membrane. Second, it can greatly improve the original taste of the source water. It can be backwashed at any time through the multi-channel control valve or steam butterfly valve to wash off the colloid and other pollutants on the surface, prevent the surface of activated carbon from being surrounded by impurities, and prevent its blockage, and restore its treatment capacity.

3. Security filter:

After pretreatment, a security filter is installed in front of the high-pressure pump to prevent impurities larger than 1um from entering the high-pressure pump and damaging the high-pressure pump and reverse osmosis membrane. The PP filter core with loose outside and tight inside (with framework and good strength) is adopted. The water is filtered from outside to inside, which can prolong the time of filter core being blocked. The upper part has an exhaust valve, which can prevent air from entering the pump and damaging the pump; the lower part has a drain valve, which can discharge the retained impurities at any time.

4. Secondary reverse osmosis device:

Reverse osmosis technology is a mature desalination technology in the world at present, and it is also a kind of water treatment process widely used in the market. It can precisely filter out bacteria, viruses, metal ions, salts, pesticides and various carcinogens in water. Its working pressure is low, water production is large, desalination rate is high, and it is easy to maintain. The design of automatic washing device can prolong its service life. The design of automatic flushing device can prolong its service life.

Five. Features of the machine:

◇ Automatic and manual operation / washing of secondary RO membrane, optional touch screen control and man-machine interface;
◇ The secondary RO membrane can be cleaned by manual chemical medicine in the machine;
◇ The purified water automatically stops at high water level and starts up automatically at low water level;

◇ Water shortage protection and overload and over-voltage protection of multi-stage high-pressure pump;

◇ Loss of voltage, under voltage, over-current, short circuit, open circuit, leakage protection;

◇ The equipment is made of stainless steel and operates automatically without manual operation.

Medicine, medical devices, biological agents, cosmetics, electronics, electroplating, electrophoresis, batteries, vacuum coating, detergent, glue, chemical industry, pigment, surface treatment, brackish water treatment, etc. It can be applied as follows:

◇ The secondary ro purified water device is used as the primary desalting equipment for ultra-high purity water production;

◇ Electronic industry water integrated circuit, silicon chip, display tube and other electronic components, PCB flushing water;

◇ Water infusion, injection, tablet, biochemical products, equipment cleaning, etc;

◇ Other processes use purified water for water motorcycle auto parts, home appliance coating, coated glass, cosmetics, fine chemicals, etc.

1. The influent water quality is urban tap water or equivalent water source.

2. Technical index of water production:

(1) Production water flow: 20 T / h (water temperature 25 ℃) secondary reverse osmosis

(2) Water production standard: in accordance with the national standard a for reverse osmosis equipment (GB / t19249-2003)

(3) It is in line with the national industrial deionized water quality standard cj94-2005

(4) Conductivity ≤ 5 μ M / cm (raw water conductivity ≤ 1000 μ M / cm)

1. The system equipment enjoys one-year free warranty, and the warranty date is calculated from the date of product acceptance, and consumable filter materials are not included.
2. In case of equipment quality problems (except caused by misoperation or unforeseen factors) within the warranty period, the supplier shall repair the equipment free of charge and be responsible for replacing the damaged parts.
3. After the expiration of the warranty period, only a certain amount of material fee and appropriate technical service fee will be charged.
4. In case of system failure, which cannot be solved by itself or by telephone, our technical maintenance personnel shall make solutions (including temporary measures) and schedule within 24 hours after receiving the written notice from the demander, and report to the competent leaders of both parties.
5. After the delivery of the equipment, our company will have engineers to pay a return visit to understand the operation of the equipment and provide technical services in a timely manner. We welcome any technical questions and we will reply in time.

(1) The user shall provide the detailed data of raw water test, so that our company can carry out relevant selection and arrangement calculation.
(2) The user shall explain the water quality requirements, use and water yield.
(3) Our company has a variety of pressure vessels, membranes, accessories, etc. if the user gives special instructions, we will try our best to meet the requirements.
(4) Our company provides installation and debugging for the designed and sold equipment and training for users' operation personnel.
(5) Our company implements the principle of one-year warranty and life-long service for users, establishes files and provides tracking service to ensure the quality level.

If the above-mentioned equipment fails to meet your requirements, please contact us. We will formulate detailed engineering scheme according to your actual situation to realize low-cost, high-efficiency and scientific process combination, so as to make water production meet your ideal requirements.