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CJYDetailed content of the series of new desorption and deoxygenation devices

1Overview:
CJYA series of new desorption and deoxygenation devices are used to remove dissolved oxygen from boiler feedwater or heating network supply water, as well as various industrial process water. The processing standards have been metGB1576-96The Water Quality Standards for Low Pressure Boilers require2T/hThe above steam boilers and water temperatures95Deoxygenation standards for water quality of hot water boilers above ℃. This device overcomes the shortcomings of deoxygenation methods such as thermal deoxygenation, vacuum deoxygenation, oxidation-reduction resin deoxygenation, and sodium sulfite dosing deoxygenation,Improve and develop on the basis of third-generation desorption and deoxygenation. Through the use of a large number of users, it has the advantages of small footprint, simple operation, integrated equipment and instrument control, low one-time investment, convenient design, installation, and operation management, low operating costs, no influence of thermal load changes, and can meet the standards for continuous and intermittent operation. It is a deoxygenation method for industrial boilers and hot water boilers.

2、 Working principle:
According to the Henry's Law, the solubility of gases in liquids[C]The equilibrium partial pressure of the gas at the water vapor interface[P]Proportional means:C=KP
The partial pressure of oxygen in gas is directly proportional to the oxygen content in the gas. Therefore, by strongly mixing oxygen-containing water with deoxygenated high-purity inert gas, a large amount of oxygen dissolved in water diffuses into the gas, thereby meeting the water quality standards for boiler feedwater; The oxygen-containing gas is circulated back to the deoxygenation reactor through the system, and reacts again to generate anaerobic gas for further circulation. This device uses a newly developed catalytic reactant, which has the characteristics of high strength, fast reaction, low reaction temperature, large water treatment capacity, and high deoxygenation efficiency.

3、 Characteristics:
1.energy conservation. The deoxygenated water does not require heating pre-treatment, meaning that desorption and deoxygenation can be carried out at room temperature, without the problem of increasing boiler capacity due to self consumption of heat energy, which saves energy and energy.
2.Less investment. After combination assembly, the desorption and deoxygenation device can be arranged in both high and low positions, occupying less space and saving space. The pipeline system is simple, and the design and installation are convenient. The entire system not only saves equipment and plant investment, but also overcomes the problem of water tank sealing.
3.The effect is obvious. The device has a large water output, high airtightness, and strong adaptability to heat load. It can remove oxygen from normal water and the residual dissolved oxygen concentration in the effluent is as low as0.03～0.1mg/lThe deoxygenation efficiency has reached98～99%.
4.Easy to operate. The device is automatically controlled and can run with just one press of the button. The electric heating element can switch automatically according to the load situation, saving energy consumption. After the reaction of the deoxygenation reagent, no residue is left and there is no need for manual slag discharge.
5.Automatic detection. The control part is equipped with a controller and a dissolved oxygen analyzer, which can directly monitor the oxygen content in the effluent without the need for laboratory sampling and measurement. The dissolved oxygen content in the effluent can be directly read from the table.
6.Widely applicable. Can be widely used for work pressure ≤1.6MPaThe use of desorption deoxygenation method is economically reasonable for steam boilers and hot water boilers with frequent fluctuations in boiler load. This is particularly suitable for single-layer layout of quick installation and assembly boiler rooms, as well as for boilers that require the installation of deaerators.