详细内容

Basic knowledge of adsorption dryer equipment

1 What is adsorption? How does the adsorption effect occur?


Adsorption is a condition in which the content of substances is automatically changed at the two-phase page. All solids have the ability to adsorb the molecular structure, molecules or positive ions in the surrounding materials to its surface. From the perspective of thermodynamics, what the solid surface can absorb from other substances is actually the kinetic energy appearing on the solid surface, which is called "surface random enthalpy" in physics, and it can digest and absorb other components to digest and absorb its own surface energy. This is because it tends to decrease.


2.What is adsorbent? What is an adsorbent?


Organic substances that exhibit significant adsorption effect on special substances are called "adsorbents". The adsorbed organic matter is called "adsorbent". Under a certain standard, the larger the surface area of the adsorbent, the higher the adsorption capacity. Therefore, in order to better improve the adsorption capacity of the adsorbent, the surface area of the adsorbent must be increased as much as possible.


3.What is the mild heat of compressed air and its characteristics?


The compressed air dryer is a compressed air dryer. Its characteristics depend on that the adsorbent has a lot of adsorption for water vapor in the air at normal temperature. Its advantages are that the leakage point of compressed air is low, the moisture content is low, but the energy consumption is high after mild heating treatment.


4. What are the common adsorbents for adsorption dryers with mild calorific value?


Carbon molecular sieve and alumina micropowder


5 * What role does it play in the ironing adsorption dryer?


*Its function is to reduce the noise of low fat recirculating vapor. Regenerated organic waste gas has a stable working pressure when it is discharged, so the rate of organic waste gas is high. Vapor vibration and obvious organic waste gas noise will occur, usually 80 to 110 dB. According to the requirements, if the exhaust pipe noise exceeds 75 dB, sound insulation and noise reduction measures must be taken. In the case of low fat, a lot of dust and water will adhere to the regenerated organic waste gas, so the condensate will accumulate at the most appropriate temperature, * which is very easy to block. Therefore, the operation standard in the weak popularity is very poor, and it is one of the fragile parts of the weak popularity.


6 Why is compressed air dry?


In the compressed air system software, the operating system composed of the machines and equipment that create, solve and store compressed air is called the pneumatic valve system software. After the compressed air, the air in the air compressor contains a lot of residues, which are immediately discharged from the gas press according to the actor into the actor according to the actor, in which the primary water, oil and cereal residues are formed and solved. If it is not applied immediately, the sundries in the air will seriously damage the system software components, increase the cost of equipment maintenance and management, reduce the service life, and cause serious damage and safe operation regulations for machinery and equipment.


7 Principle of adsorption dryer:


The adsorption dryer equipment can get the actual effect of drying according to the change of working pressure, and because the ability of steam entering the air is inversely proportional to the working pressure, a part of the steam after drying is relieved and swelled to the atmospheric pressure, and the working pressure changes. An air dryer that swells. After that, clean a layer of moisture-proof agent that must be regenerated without indoor ventilation. The addictive substance after drying will digest and absorb the moisture of the moisture-proof agent and take it to the dryer to achieve the purpose of dehumidification. The two towers of other circulating systems are working and continue to provide customers with dry compressed air.


8 The work content of the driver software is shown below.


Compressed air enters suction tower A through inlet valve IA, and the gas is dried. The dry gas arrives at the inlet and outlet according to the stop valve CA, and some gases exit from the cyclone branch system, and then arrive at the inlet and outlet as regeneration. According to the flow monitoring of the re-regulating valve RV, it enters the electric heater H, and then enters the electric heater. The regenerated gas is heated and the temperature rises, and then it is injected into suction tower B again according to the stop valve OB. In adsorption tower B, water is adsorbed in the first half of the circulating system, and the water is sucked in and discharged from the regeneration valve RB and muffler MF, which is set as the heating regeneration process. With the increase of heating time, the ambient temperature of tower B rises,


After a certain time, turn off the electric heater and cool the regeneration gas, which is also the refrigeration regeneration process. Determine the time of repeated elimination according to the set cycle time. After that, close the regeneration valve RB, and gradually increase the pressure of the oil removal tower B until the burden between the two oil towers is balanced. The pressure must be increased for a certain time to ensure the balance of the burden between the two towers. After one and a half cycles, valve IA is closed and valve IB is opened at the same time. In full consideration of the operation time of the gate valve, the regeneration gate valve RA is opened again after 6 seconds. Now, the gas from adsorption tower b is dry, and adsorption tower a enters into regeneration, during which there is cycle time of circulating system. Each adsorption tower undergoes three steps in a cycle system time - additional regeneration - cold regeneration - pressurized adsorption. Logo operates the program controller in the actual operation of steam body and regeneration valve.


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