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Wuhan Junqihui Technology Co., Ltd. was founded in 2009, located in Wuhan East and West Lake District,8 Hongtu Road, Wuhan living room.
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Double-stage reverse osmosis equipment
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Reverse osmosis equipment
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Detailed
1. Overview
Including two-stage RO device, cleaning system and intermediate water tank.
RO reverse osmosis mainly removes dissolved salts, organic matter, silica colloids, macromolecular substances and pre-removed particulate matter in water. The two-stage RO process can effectively remove the ions in the water, and at the same time make the effluent meet the requirements of the subsequent EDI device process influent.
The reverse osmosis system consists of one 5μ filter, two high-pressure pumps, pressure vessels and reverse osmosis membrane. The first-stage reverse osmosis device RO is arranged in a 2:1, using 6 8-inch membranes in series arrangement, the water production is m3/h, and the recovery rate is 75%; the second-stage reverse osmosis device RO is arranged in a 1:1, using 3 The 8-inch membranes are arranged in series, the water production is m3/h, and the recovery rate is 85%. For the first stage of membrane elements, choose Hyde Energy's low-pressure composite membrane CPA3, and for the second stage, choose Hyde Energy's ultra-low pressure composite membrane ESPA2. (Select ESPA3 membrane)
2. Maintenance of reverse osmosis equipment
In order to ensure the stable operation of the RO device, a UV sterilizer and scale inhibitor dosing system were installed in front of the RO. One UV sterilizer with a processing capacity of 17.6m3/h. Its main function is to kill bacteria in the water and prevent the RO membrane from being blocked. The emission wavelength of the ultraviolet lamp is 254 nm, the intensity is 30000 μWs/cm2, and the sterilization rate is 99%.
In order to prevent scaling on the concentrated water side of the RO device, a scale inhibitor must be added to the influent water. The scale inhibitor uses FLOCON260 and the designed dosage is 2.4 mg/L. Or use PTP0100 scale inhibitor, the designed dosage is 1 mg/L.
In order to remove CO2 in water, NaOH was added between the two-stage RO to adjust the pH of the first-stage RO effluent to 7.83, and the designed dosage of NaOH was 4.5 mg/L.
RO cleaning system is skid-mounted equipment, including cleaning box, 5 μm filter and cleaning pump. When scaling or fouling occurs in the RO system, the RO device can be cleaned, as well as the EDI.
The function of the intermediate water tank is to store RO production water and adjust the water volume, so that the system operation can be flexibly adjusted.
Two-stage RO system produced water conductivity <10 μs/cm, SiO2 content <500 μg/L, TOC <50 μg/L
3. Process flow
Raw water booster pump-multi-media filter-activated carbon filter-water softener-security filter-first stage reverse osmosis machine-second stage reverse osmosis machine-water storage tank-pure water delivery pump-water point
4. Application scope of reverse osmosis device
1. Purification of purified water, distilled water, food and beverage water.
2. Preparation of ultra-pure water in electronics, medicine, food and other industries.
3. Light industry, chemical industry, food industry and other industries are used for separation, concentration, liquid decolorization process engineering.
4. Desalination of seawater and brackish water.
5. Characteristics of reverse osmosis
1. Large water permeability and high desalination rate. Normally ≥98%
2. It has a high retention and removal effect on organic matters, colloids, particles, bacteria, viruses, heat sources, etc.
3. Low energy consumption, high water utilization rate, and lower operating costs than other desalination equipment.
4. There is no phase change in the separation process, and it has reliable stability.
5. The equipment is small in size, easy to operate, easy to maintain, strong adaptability and long service life
6. Installation conditions of reverse osmosis equipment
1. After the device is transported to the site, it should be placed indoors. The minimum ambient temperature should not be lower than 5℃, and the highest temperature should not be higher than 38℃. When the temperature is higher than 35 ℃, ventilation measures should be strengthened.
2. After the device arrives, it should be installed within one month, and the water test run should be carried out immediately.
3. Before the device is tested for water running, no valves should be opened to prevent the protection solution from flowing out and causing damage to the components.
4. After the device is in place, the support point of the device should be adjusted so that the component is at a basic horizontal position and reliable contact with the foundation.
5. The pipeline and valve connected to the water supply pump should be degreased before connection, and the overflow part of the water supply pump should also be degreased.
6. The maximum output height of the product water output pipe of the device should be less than 8 meters.
Note: Points 2 and 3 are only for devices with membrane elements installed in the RO device.
We specialize in {reverse osmosis equipment, ultrafiltration equipment, protein gelatin ion exchange equipment, demineralized water equipment, pure water equipment, ion exchange resin, etc.}, and can customize various water treatment equipment and gelatin ion exchange equipment according to customer requirements.
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1.Technical documentation provided 2.Flow chart 3.Process specification 4.Equipment piping installation drawing 5.Electrical control circuit diagram |
1.Equipment Theory Training 2.Design and Construction Training 3.Equipment maintenance training 4.Equipment operation training |
1.One year warranty 2.Lifetime maintenance of equipment 3.24-hour telephone consultation |
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Contact person: Xu Yanhui
Mobile phone: 13627110979
Sales Hotline: 027-85308187
Fax: 027-85308187
Chinese website: junqihui. China
Address: 1801, 18th floor, building a, Wuhan living room, No. 8, Hongtu Road, Dongxihu District, Wuhan
Factory: Aolian Industrial Park, airport economic port, Huangpi District, Wuhan
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