1. Cooling and dehumidification
Cool the air below the dew point and then remove the condensed moisture. Valid when the dew point is above.
2. Compression dehumidification
Compress and cool humid air to separate its moisture. It is effective in situations with small air volume, but not suitable for large air volume.
3. Solid adsorption dehumidification
Using capillary action to adsorb water on the solid hygroscopic agent. It can lower the dew point, but when the adsorption area is large, the equipment also becomes larger.
4. Liquid absorption dehumidification
Use the spray of lithium chloride aqueous solution to absorb moisture. The dew point can be reduced to about 10%, but the equipment is larger and the absorbent fluid must be replaced.
5. Adsorption wheel dehumidification
The thin plate impregnated with hygroscopic agent is processed into a honeycomb wheel for ventilation. Its dehumidification structure is simple, and through special combination, the dew point can reach below -70℃. Widely used in various industries around the world. Our main customers include pharmaceuticals, wastewater treatment facilities, food processing, electronics, medical products, defense application industries, etc.
Processing and production fields
﹡Brewing﹡Chemistry and petrochemicals
﹡Electronics﹡Food
﹡Pharmaceuticals﹡Films
﹡Safety glass﹡Sandblasting, etc.
Storage
﹡Corrosive metals﹡Electronics
﹡Food﹡Leather
< p>﹡Military equipment﹡Precision parts﹡Seeds﹡Sugar, etc.
Packaging
﹡Chemistry﹡Dairy products
﹡Fertilizer ﹡Tea and coffee
﹡Hygroscopic powder, etc.
Protection
﹡Defense equipment﹡Power plant suspension equipment
﹡Water treatment plant, etc. etc. Continuously provide dry air. The air treatment is a high-performance dry dehumidifier using a honeycomb dehumidification wheel.
When the air treatment honeycomb wheel rotates, it continuously repeats the moisture absorption and regeneration action without affecting the air flow, and continuously provides ultra-low dew point dry air.
The runner of the dehumidifier adopts the American Eco-Fresh CS series full-heat runner/wheel core. The Eco-Fresh CS series full-heat runner is suitable for various purposes:
⑴The EcoFresh wheel metal silicate desiccant used in corrosive environments is synthesized on the inorganic fiber substrate to ensure high performance and high corrosion resistance, and can be washed with water.
⑵ Sensible heat runner EcoFresh sensible heat runner is either made of aluminum substrate or inorganic fiber substrate, which can provide maximum sensible heat recovery. The runner is made of alternating flat and corrugated aluminum foil with a uniform width. The runner honeycomb aluminum foil forms a medium with very good structural strength and rigidity through winding and adhesion, and will not crack or deform due to changes in temperature or humidity.
⑶ EcoFresh wheel for paint shop The painting system consumes a lot of energy, so energy recovery has become an important way to save operating costs in the system. The EcoFresh wheel used in paint shops maximizes energy recovery. The wheels are specially designed to ensure that the wheels do not become clogged with paint.
⑷Molecular sieve-coated EcoFresh heat recovery runner with high selectivity...almost no cross-contamination
Dehumidification principle of air treatment
The The system uses a dehumidification wheel with a honeycomb structure. As shown in the figure, the drive motor rotates the dehumidification wheel 8 to 18 times per hour and continuously repeats the moisture absorption and regeneration action to provide dry air.
The runner is divided into a moisture absorption area and a regeneration area. After the moisture in the air is removed in the hygroscopic area, the blower sends the dried air into the room.
The runner that has absorbed moisture moves to the regeneration area. At this time, the regeneration air (warm air) sent from the opposite direction will drive away the moisture and allow the runner to continue working.
The heating methods of regeneration air are divided into steam, natural gas, coal gas, gas, oil, electricity and other devices.
Due to the special performance of the American Eco-Fresh CS series full-heat rotors, the Jincaisheng series dehumidifiers can continuously dehumidify under large air volumes and achieve extremely low moisture content requirements.
After matching, the moisture content of the treated air can be lower than 0.0007g/kg
If you want the temperature of the dry air to remain stable, you can install air conditioning equipment or heaters to the dehumidifier outlet. The air is cooled or heated.
Characteristics of air treatment
In the product production process, the trouble caused by moisture to the product has always troubled humans. During the process of applying solid adsorbent to absorb moisture, the adsorbent after absorbing moisture is regenerated and dehydrated simultaneously, so that the solid adsorbent can be recycled and the entire moisture absorption work can be carried out continuously. It overcomes the shortcomings that static solid adsorption cannot continuously dehumidify and refrigeration condensation dehumidification is powerless under low temperature and low humidity conditions. It can take advantage of its characteristics of continuous stability and large dehumidification capacity under low temperature and low humidity conditions. The rotary dehumidifier of Jincaisheng Company is developed using this advanced technology and has special functions that others cannot. Compared with other dehumidification methods, the rotary dehumidifier has its unique characteristics;
it can easily obtain dry air with ultra-low humidity.
It can continuously provide ultra-low humidity dry air with a dew point below 6°C that cannot be achieved by cooling and dehumidification methods, and is low cost.
Easy to operate and maintain.
The structure is simple and the driving part is simple. Only the dehumidification wheel, the regeneration heater and the blower are operated to obtain dry air, so the operation is very simple. In addition, it is a dry dehumidification type that does not require replenishing moisture absorbers, is easy to maintain, and has low operating and maintenance costs.
Excellent durability.
In a clean air environment, the performance of the dehumidification wheel will hardly drop or degrade, and it can handle continuous operation for many years.
Complete range of machines.
From the standard type for general use to the low-humidity type that can obtain ultra-low humidity dry air, our company has a full range of machines suitable for various usage conditions.
The pollution-free green machine uses the American Eco-Fresh CS series full-heat runner molecular sieve hygroscopic agent, so the dehumidifier is safe, environmentally friendly, clean, free of floating dust and non-corrosive during use. Moreover, it can also sterilize, which is especially suitable for pharmaceutical, food, biochemical and other industries.
1. The dehumidification wheel is made of an aluminum inorganic fiber substrate with a temperature resistance of over 300°C. After the honeycomb-shaped wheel is formed by a molding machine, silica gel is coated on the aluminum and the material. Therefore, the dehumidification wheel will not have problems such as burning and deliquescence. Since its dehumidification function uses physical action rather than chemical action, it does not produce any harmful chemicals.
2. The dehumidification principle of the rotary dehumidifier is to use the silica gel coated on the rotor to physically adsorb the moisture in the air to the porous synthetic silica gel, and then in the rotor In the regeneration area, the water vapor adsorbed in the pores of the silica gel is heated and vaporized, and reaches the entrance of the AC heat exchanger to form high-temperature and high-humidity air. Then, when it passes through the heat exchanger that has been cooled by the indoor cold and humid air, due to the difference in dew point The condensed water is discharged.
Overview of air dehumidification: If the constant temperature and humidity system is a combined unit, it usually has a fresh air cooling and a rotor dehumidification section. When the processed air is cleaned by the fresh air filter, it contacts the surface of the surface cooler in the fresh air surface cooling section. Since the surface temperature of the fresh air surface cooler is lower than the temperature of the air, the air is cooled and the temperature decreases; at the same time, the water in the air The condensed water will precipitate and be discharged through the condensate pipe, and the temperature and moisture content of the air will be reduced. After that, the runner will perform adsorption and dehumidification to meet the low humidity requirements. Finally, all the air will be passed through the rear surface cooler. Or the heater controls the temperature, and the blower sends out the process air with temperature and humidity that meet the requirements.
2. Principle of cooling and dehumidification:
Because the air can hold different amounts of moisture at different temperatures and energies, the moisture content in the air changes with the temperature of the air. decrease to decrease. When the outdoor air passes through the fresh air surface cooler, the air is cooled by the surface cooling coil. As the temperature of the air decreases, the water vapor in the air gradually condenses and reaches a saturated state. When the dew point of the air continues to decrease, the center of the air The water vapor becomes condensed water and precipitates, so that the absolute moisture content in the air is reduced, and the air realizes the dehumidification process.
3. Dehumidification principle of adsorption wheel:
The dehumidification wheel is divided into a processing area and a regeneration area by a sealing system inside the dehumidification section. The dehumidification wheel rotates 8-10 times. Rotate slowly at a speed of / hour to ensure that the entire dehumidification is a continuous process.
When the treatment air passes through the processing area of ??the runner, the water vapor in it is adsorbed by the hygroscopic medium in the runner. The water vapor undergoes phase change at the same time and releases latent heat. The runner also gradually tends to absorb a certain amount of moisture. Saturated; at this time, the treatment air becomes dry and hot air due to the reduction of its own moisture and the release of latent heat. At the same time, in the regeneration area, another line of air first passes through the regeneration heater, becomes high-temperature air (generally 100-140 degrees) and passes through the saturated runner after absorbing moisture, causing the adsorbed water in the runner to evaporate, thus The dehumidification ability of the runner is restored; at the same time, the regeneration air becomes humid air due to the evaporation of water; then, the humid air is discharged to the outdoors through the regeneration fan.
As a rotary adsorption dehumidifier, its most important core component is the dehumidification rotor. The rotor is made of glass fiber and heat-resistant ceramic materials as the internal support carrier of the rotor, with special effects. Synthesized from hygroscopic media materials (such as high-efficiency silica gel). In this way, the high-efficiency hygroscopic agent and the special honeycomb structure of the runner itself not only ensure the huge surface area of ??the runner in contact with the air, but also improve the moisture absorption efficiency of the runner and increase the moisture absorption capacity; the runner can be cleaned by gas purging to facilitate removal Some mechanical pollutants on the surface of the runner, such as dust, oil, etc.
4. Advantages of combined dehumidification:
In the case of high temperature and high humidity in summer, the moisture load is the largest: at this time, the moisture load is borne by two treatment sections at the same time. First, give full play to the moisture load. The fresh air surface cooler has the characteristics of high dehumidification efficiency and large dehumidification capacity under high temperature and high humidity conditions. It can remove most of the moisture in the air and reduce the temperature of the air; when the refrigeration dehumidification efficiency decreases, it will pass through the runner again. Dehumidification makes the air humidity meet the low humidity control requirements; in this way, the system makes full use of the advantages of the two dehumidification methods. In other seasons, such as spring and autumn, due to the decrease in moisture load, at this time, the energy adjustment of the refrigeration system is used to control the air temperature after front cooling, and the moisture load is completely borne by the dehumidification runner section. The purpose of system post-cooling and heating is to accurately control the supply air temperature.
5. Things to note when purchasing a dehumidifier:
Since combined dehumidifiers involve many technical aspects, a comprehensive understanding of each component selected and the entire on-site application is required. Only by understanding can we design and produce reliable products. Nowadays, some manufacturers only focus on taking orders and making production, and lack corresponding technical personnel, resulting in a large number of flashy products flooding the market. Some so-called old manufacturers have been affected by the market in recent years. Competition is fierce. Relying on the good reputation that has been established, taking advantage of customers' lack of understanding of the product, and not wanting to reduce original profits, they sacrifice product quality, do everything possible to save costs, and use low-cost substandard materials to deceive customers with shoddy products.
So before purchasing, customers must fully understand the technical performance, product configuration and manufacturer's capabilities of the rotary dehumidifier, and communicate with professional technicians to choose a cost-effective product! ! !