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Water Purification Machine

Water purification machine in laboratory

What is water purification machine?

Water purification machine is a kind of water purification equipment using a multi-stage filter cartridge for water purification treatment, processing more physical methods such as filtration, adsorption, and reverse osmosis without adding chemicals. According to the water purifier, water purification accuracy can be divided into two categories: drinking water purifier and laboratory water purifier that can meet the requirements of laboratory pure water quality.
Laboratory water purifier is the most commonly used water purification system in the laboratory, is through filtration, reverse osmosis, electrodialysis, ion exchanger, ultraviolet sterilization, and other methods to remove all solid impurities, salt ions, bacteria, and viruses in the water treatment device.

Application of water purification machine

The application areas of water purifiers are as follows.
Platingplating because of its process, to ensure the purity and uniformity of plating, the water used in the electrical solution to meet the higher requirements.
Power plant The water quality of pure water used in power plants generally has to meet the standard.
Food and beverage food and beverage production, processing, ingredients and other water requirements are higher than ordinary domestic water, especially for mineral impurities in the water, microbial content has strict filtration requirements.
Pharmaceuticalpharmaceutical water requirements are strict, or even higher, using reverse osmosis equipment mostly used in EDI or polishing mixed bed to stabilize water quality, in order to reduce unnecessary depletion in the production process.
Medical medical injections, dialysis, laboratory tests and other links need to use ultrapure water.
Chemical industry the chemical industry has a wide range of branches, the scale is generally larger, basically will use ultrapure water, but because of the subdivision of a wide range of industries.

Water purification machine working principle

Laboratory water purification system is the use of pretreatment, reverse osmosis technology, ultra-purification treatment, and post-processing methods, the conductive media in the water are almost completely removed, but also the water is not dissociated from the colloidal substances, gases, and organic matter are removed to a very low degree of water treatment equipment.

1. Source Water Pretreatment System
The main task of the pretreatment system is to clean up these impurities to prevent structural phenomena from occurring in the reverse osmosis membrane and increase the life span of the membrane, as well as to remove impurities more efficiently.

2. Reverse osmosis system
Reverse osmosis membrane can quickly sieve out impurities in water with stable performance, and can sieve out insoluble substances in water under the pressure set by the equipment. So the equipment can precisely filter out most of the carcinogenic substances in the water. The desalination effect reaches more than 99%, and the reverse osmosis system has automatic cleaning function, which can effectively remove the blockage in the reverse osmosis membrane and ensure the continuous and efficient operation.

3. Purification column system
The nuclear-grade purification resin, in the treatment system equipment, allows the ions in the water to be removed in their entirety. The water quality of pure water produced through the system has high resistivity and also meets the requirements of some laboratory applications.

4. Ultraviolet sterilization
The UV sterilization system uses two wavelengths of UV lamps to be able to have great equipment performance at the same time. The ultra-pure water goes through a six-treatment process within the UV sterilization lamp to remove the remaining bacteria while explaining away the residual substances in the water.

5. Ultra microfiltration system
The use of terminal microfiltration technology, is through the terminal microfiltration equipment, a little higher than the usual terminal microfilter water production, greatly increasing the service life, to better ensure the output water high quality.

Types of water purification machine

Laboratory water purification machines are divided into the following categories according to the technical specifications and application areas of the instruments.

1. Conventional physical and chemical analysis type water purifier

Suitable for routine chemical analysis, qualitative analysis, buffer solution preparation, etc.

2. Ultra-low TOC type water purifier

Ultra-low organics, suitable for liquid chromatography, ion chromatography, gas chromatography, gas chromatography, total organic carbon (TOC) analysis, organic analysis, capillary electrophoresis, microelectronic parts rinsing, toxicology research, environmental experimental analysis, etc.

3. Heat source removal type water purifier

Removal of pyrogen (endotoxin), application in liquid/gas chromatography, amino acid analysis, protein purification, electrophoresis/gel analysis, toxicological research, animal and plant cell culture, tissue culture, in vitro fertilization, molecular biology experiments and other projects.

4. Basic application type water purifier

Suitable for liquid chromatography, ion chromatography, atomic absorption and emission spectroscopy, mass spectrometry analyzer, amino acid analyzer, PCR application and analysis, gas phase analysis instruments, high precision optical lens rinsing, analytical reagents and pharmaceuticals configuration, dilution, precision instrument analysis water, etc.

Water purification machine specifications

Laboratory ultrapure water instrument

Water inlet pressure0-0.2Mpa
Water production10/20/40/60/100L/hour
Outflow rate1.5-2.0L/min
RO water quality conductivity 2-10μS/cm
Total organic carbon TOCTOC<10ppb
Host size (mm)530*380*550mm
1. Laboratory ultrapure water instrument equipped with microcomputer large animation display LCD screen, with timing, fixed quality of water function.
2. PE material injection pre-treatment system, easy to replace, without the use of other tools.
3. Double rinsing function to extend the life of consumables.

Difference between laboratory water distiller and water purification machine

Laboratory water distillers and water purification machines are used to make pure water and pure water generator of two major instruments, water purifiers can be divided into ordinary water purifiers and ultrapure water machines, the following is the difference between laboratory water distillers and ultrapure water machines.
Laboratory water distillerWater purification machine
Water qualityUnable to remove all kinds of impurities, resistivity does not reach megohm level18.25MΩ/CM can be sterile, no heat source, ultra-low TOC. continuously obtain ultra-pure water
Water production capacity5-20L/H10-100L/H, more efficient water production
ConvenienceThe speed of water is slow, there is a potential problem of untimely water supplyTake as you go, make water in time, fully automatic water making, one key operation is more concise
Water consumption ratio1:18 (cooling + discharge)1:3 (concentrated water), more water saving, environmental protection, saving money
Electrical power400-20000W50-100W, save more than 99% on electricity bill
AutomationManually requires supervision and co-boiling phenomenonFully automatic water production, safer and more reliable, no azeotropic phenomenon
MaintenanceEasy to dry burn, easy to scale, difficult to clean, high operating costs, easy to interrupt useAutomatic cleaning function, Designed for easy maintenance
Low operating cost.

How to use water purification machine?

a. Before using water purification machine, please read the product manual carefully to understand the precautions and safety tips, etc.

b. Before installation, a thorough check should be made to observe whether the instrument placed on a flat bench is complete in appearance, with the plug intact and the power switch flexible. And check whether the instrument power socket is reliably grounded to ensure the safety of operation.

c. When using, first open the ball valve and turn on the power supply to ensure that the water source and power supply are connected.

d. Observe whether there is leakage, if water seepage timely turn off the power and water ball valve, to adjust.

e.If everything is normal, turn on the power switch after 10-20 seconds.

f. When taking pure water, lightly press the water button, you can easily take water, equipment dual flow path outlet, you can choose one of the water quality according to actual demand.

g. In the state of power failure or power switch off, before loading or replacing the purification column, and check whether its specifications and models match the performance requirements of the machine before replacement.

h. Water purifier installation environment to ensure that the temperature is not higher than 40 degrees in summer and higher than 4 degrees in winter. To avoid irrecoverable damage to the instrument.

i. Water purification instrument in each start or shutdown to ensure that the inlet water pressure is less than 0.4MPa rinse for 10 minutes.

Precautions for using water purification machine

1. It is strictly forbidden to move laboratory water purification machine when it is working, and avoid hard objects from hitting the instrument.

2. In order to inhibit algae production, avoid using translucent water tanks and pipes, and avoid installing the water storage tank in direct sunlight or near heat sources.

3. The pure/ultrapure water produced should be used as you take it out to avoid long-term storage and the growth of bacteria. Of course, if you are equipped with a special sterile water tank, you do not have to worry about pollution.

4. In daily use, you should pay attention to the alarm prompts of the equipment and replace the consumables regularly according to the prompts and instructions of the equipment, and pay attention to regular disinfection and pipe cleaning to avoid microbial reproduction affecting the water quality.

5. After the laboratory water purification systems malfunction, please ask professional and technical personnel to deal with it. The use of components not recommended by the manufacturer may affect the performance of the instrument.

How to maintain water purification machine?

Laboratory ultrapure water machine maintenance needs to pay attention to the following aspects.
Fine cartridge
Fine cartridge, also called filter cartridge, is divided into wire-wound cartridge and PP meltblown cartridge, which mainly filters large particles such as silt in raw water, and its filtration precision is 5 microns, 1 micron and so on. The new cartridge is white, and if the appearance of the cartridge will be silt for a long time, it will be brown, which indicates that the cartridge cannot be used, and it can be used for 1-2 weeks after the appearance of silt is flushed out with tap water, but it cannot be used for a long time.
The cartridge is placed inside the filter bottle, some of which are transparent and can visually investigate the color change of the cartridge, some of which are opaque and need to be unscrewed to investigate the change of the cartridge. From the experience data statistics, the life span of the fine cartridge is generally 3-6 months, such as more sediment in the original water, the life span is shorter, and the life span of the sediment and other particulate matter is a little longer.

Activated carbon cartridge
Activated carbon cartridge removes odor and organic matter from water through adsorption effect. There is residual chlorine in tap water, which has a great oxidizing effect on the reverse osmosis membrane, so it must be removed by activated carbon. Activated carbon cartridge has no intuitive change from the appearance, according to the experience, generally in about a year to reach saturation adsorption, need to replace.

Reverse osmosis membrane
Reverse osmosis membrane is a very important part of the laboratory ultrapure water machine, its pore size is very small, so in the process of use often have bacteria and other microscopic material siltation in its appearance, the general laboratory ultrapure water machine of various manufacturers have a backflush function, designed to wash away pollutants.
The amount of water used in 10 liters / day or less, can be flushed 3-5 times, more than 10 liters, more flushing several times. If a long time (such as more than 1 month) do not have to, need to take it out soaked in disinfectant solution to avoid the growth of bacteria, but the process is more trouble, it is recommended that even if you do not have to use water, are often turned on with a small amount of water, so that the formation of water circulation inside the machine, try to reduce the deposition of dead water for too long. Reverse osmosis membrane life span in 2-3 years, the primary by the amount of water to resolve, so in the selection of the time must be selected to match the standard.

Purification column
Purification column is sometimes called ultra-purification column according to the customer's water quality needs, since the effect is to reverse osmosis pure water for deep desalination, and finally reach the level of first-class water or ultra-pure water. The principle is ion exchange.
The longevity of the purification column is reflected by the resistivity online. Below a particular resistance means that the purification column is expired, which is more intuitive.

How to order water purification machine?

ANTITECK provide lab equipment, lab consumable, manufacturing equipment in life sciences sector.
If you are interested in our water purification machine or have any questions, please write an e-mail to [email protected], we will reply to you as soon as possible.

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