Industrial Desiccant Dehumidifier

INDUSTRIAL DESICCANT DEHUMIDIFIER

WORKING PRINCIPLE

Type of dehumidification method

1. Cooling and dehumidification

Cool the air below the dew point and remove the condensed water. It is effective when the dew point is above.

2. Compressed dehumidification

The humid air is compressed, cooled, and separated. It is effective in the case of small air volume, but it is not suitable for large air volume.

3. Solid adsorption dehumidification

Capillary action is used to adsorb moisture onto the solid moisture absorbent. The dew point can be reduced, but the device will also become larger when the adsorption area is large.

4. Liquid absorption dehumidification

The water is absorbed by a spray of an aqueous solution of lithium chloride. The dew point can be reduced to the left or right, but the equipment is large and the absorbent must be replaced.

5. Adsorption wheel dehumidification

The sheet impregnated with the moisture absorbent is processed into a honeycomb rotor for ventilation. Its dehumidification structure is simple, and the dew point can be up to -70 °C after special combination.

Suitable range for dehumidification

It is widely used in various industries around the world. Our main customers include pharmaceuticals, wastewater treatment facilities, food processing, electronics, medical products, defense applications and more.

Processing and production

* Brewing * Chemistry and petrochemicals

*Electronics *Food

*Pharmaceutical *film

*Safety glass *Blasting treatment, etc.

Store

*Corrosive metals *Electronics

*food *leather

*Military equipment *Precision parts

*seed *sugar, etc.

package

*chemistry * dairy products

*fertilizer *tea coffee

*hygroscopic powder, etc.

protection

* Defense equipment * Power plant suspended equipment

*Water treatment plant, etc.

Principle of air treatment

Dry air is continuously supplied. Air treatment is a high performance dry dehumidifier with a honeycomb dehumidification wheel.

When the air-treated honeycomb wheel rotates, it continuously repeats the respiration regeneration operation, does not affect the air flow, and continuously provides dry air with ultra-low dew point.

The dehumidifier's runner uses the American Eco-Fresh CS series full heat runner/wheel. The Eco-Fresh CS series runner full heat runner is suitable for various purposes:

(1) EcoFresh wheel for corrosive environment The metal silicate desiccant is synthesized on an inorganic fiber substrate to ensure high performance and high corrosion resistance, and can be washed with water.

(2) sensible heat wheel EcoFresh sensible heat wheel has aluminum substrate, but also uses inorganic fiber substrate to provide maximum sensible heat recovery. The runners are made of alternating flat and corrugated aluminum foil with a uniform width. The rotor-shaped honeycomb aluminum foil is wound and adhered to form a medium having a very good structural strength and rigidity, which does not cause cracking or deformation due to changes in temperature or humidity.

(3) EcoFresh wheel for painting workshop The painting system consumes a lot of energy, so energy recovery becomes an important way to save operating costs in the system. The EcoFresh wheel used in the paint shop maximizes energy recovery. The wheels have been specially designed to ensure that the wheels are not blocked by paint.

(4) Molecular sieve coated EcoFresh heat recovery runner High selectivity... almost no cross contamination

Dehumidification principle of air treatment

The system adopts a honeycomb structure dehumidification runner. As shown in the figure, the drive motor rotates the dehumidification runner 8 to 18 times per hour, and continuously repeats the moisture absorption regeneration operation to provide dry air.

The runner is divided into a moisture absorption zone and a regeneration zone. After the moisture in the air is removed in the moisture absorption zone, the blower sends the dried air into the room.

The runner that has absorbed the moisture moves to the regeneration zone, and the regeneration air (warm air) sent from the reverse direction will drive off the water and continue the operation of the runner.

The heating method of the regeneration air is divided into steam, natural gas, gas, gas, fuel, electricity and the like.

Due to the special performance of the American Eco-Fresh CS series full heat runner, the Jincaisheng series dehumidifier can continuously dehumidify under a large amount of air, which can achieve extremely low moisture content. After the combination, the moisture content of the treated air can be less than 0.0007g/kg.

If the temperature of the dry air is to be stable, the air at the outlet of the dehumidifier can be cooled or heated by installing an air conditioner or heater.

Air handling characteristics

In the production process of the product, the troubles caused by moisture on the product are always plaguing humans. During the process of moisture absorption by using the solid adsorbent, the adsorbent after moisture absorption is synchronously dehydrated and treated, and the solid adsorbent is recycled, and the entire moisture absorption work can be continuously performed. Overcoming the shortcomings of static solid adsorption can not be continuously dehumidified, and refrigeration condensation and dehumidification can be powerless under low temperature and low humidity. It can exert its characteristics of continuous stability and large dehumidification under low temperature and low humidity conditions. Jin Caisheng's rotary dehumidifier is developed using this advanced technology and has special functions that can not be done by humans. The rotary dehumidifier has its unique characteristics compared with other dehumidification methods;

It is easy to obtain dry air with ultra-low humidity.

It can continuously provide ultra-low humidity dry air with a dew point below 6 °C which cannot be realized by cooling dehumidification method, and the cost is low.

Operation and maintenance are simple.

The structure is simple, the driving part is simple, and only the dehumidification wheel, the regeneration heater and the blower can be operated to obtain dry air, so the operation is very simple. In addition, it is a dry dehumidification type, no need to replenish moisture absorbent, convenient maintenance, low cost of operation and maintenance.

Durability is superior.

In a clean air environment, the performance of the dehumidification runner will hardly decrease or degrade, and it can be used for continuous operation for many years.

The machine range is complete.

From the standard type for general use to the low-humidity type for ultra-low humidity dry air, our company has a wide range of machines for a variety of different conditions.

The pollution-free green machine adopts the molecular sieve moisture absorber of the American Eco-Fresh CS series full heat runner, so the dehumidifier is safe, environmentally friendly, clean, free of floating dust and non-corrosive during use, and can also be sterilized. Food, biochemical and other industries are particularly suitable.

1. The dehumidification runner is made of aluminum inorganic fiber substrate with temperature resistance above 300 °C. After the honeycomb rotor is made through the molding machine, the silica gel is coated on aluminum and then the dehumidification runner is not Problems such as burning and deliquescence will occur. Since its dehumidification function utilizes physical rather than chemical action, it does not produce any harmful chemicals.

2. The dehumidification principle of the rotary dehumidifier uses the silica gel coated on the runner to physically adsorb the moisture in the air onto the porous synthetic silica gel, and then adsorbs it on the silica gel in the regeneration zone of the runner. The water vapor of the hole is heated and vaporized to the inlet of the AC heat exchanger to form high-temperature and high-humidity air, and then the heat exchanger which has been cooled by the indoor cold and humid air is cooled, and the condensed water is discharged due to the difference in dew point.

Air Dehumidification Overview

1.A constant temperature and humidity system, such as a combined unit, usually has a fresh air cooling and a rotor dehumidification section. When the treated air is cleaned by the fresh air filter, the surface of the fresh air cooler is in contact with the surface of the surface cooler. Since the surface temperature of the fresh air cooler is lower than the temperature of the air, the air is cooled and the temperature is lowered; meanwhile, the water in the air The condensate is precipitated and removed by the condensate pipe, and the temperature and water content of the air are reduced; after that, the wheel is adsorbed and dehumidified to achieve the low humidity requirement; finally, all the air is further cooled by the aftercooler. Or the heater controls the temperature, and the air is sent by the blower to meet the required process air temperature and humidity.

2. Cooling and dehumidification principle:

Since the air can hold different moisture at different temperatures and energies, the moisture content in the air decreases as the air temperature decreases. When the outdoor air passes through the fresh air cooler, the air is cooled and cooled by the cold coil. As the temperature 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 air is in the middle. The water vapor becomes condensed water and precipitates, so that the absolute water content in the air is reduced, and the air achieves the dehumidification process.

3. Dehumidification principle of adsorption wheel:

The dehumidification runner is divided into a treatment area and a regeneration area by a sealing system inside the dehumidification section, and the dehumidification rotor is slowly rotated at a speed of 8-10 rpm to ensure that the entire dehumidification is a continuous process. When the treatment air passes through the treatment area of the runner, the water vapor therein is adsorbed by the moisture absorption medium in the runner, the water vapor simultaneously undergoes a phase change, and the latent heat is released, and the runner gradually tends to absorb a certain amount of water. Saturated; at this time, the process air becomes dry, hot air due to its own water loss and latent heat release. At the same time, in the regeneration zone, the other air passes through the regenerative heater and becomes high-temperature air (generally 100-140 degrees) and passes through the saturated saturated revolving wheel to evaporate the adsorbed water in the reel. The dehumidification capacity of the runner is restored; at the same time, the regeneration air becomes wet air due to evaporation of water; after that, the humid air is discharged to the outside through the regeneration fan.

As the rotary adsorption dehumidifier, the most important core component is the dehumidification rotor. The rotor is made of glass fiber and heat-resistant ceramic material as the internal support carrier of the runner, and special moisture-absorbing medium material (such as high-efficiency silica gel). ) and synthesis. In this way, the high-efficiency moisture absorbent is added to the special honeycomb structure of the runner itself, which not only ensures a large surface area of the runner in contact with the air, but also improves the moisture absorption efficiency of the runner and increases the moisture absorption capacity; the runner can be cleaned by gas purging to remove Some mechanical pollutants on the surface of the runner, such as dust, oil, etc.

4, the advantages of combined dehumidification:

In the case of high temperature and high humidity in summer, the wet load is maximum: at this time, the wet load has two treatment sections at the same time, first of all, the fresh air cooler has high dehumidification efficiency under high temperature and high humidity conditions, and the dehumidification amount is large. It removes most of the moisture in the air and reduces the temperature of the air. When the efficiency of freezing and dehumidification decreases, it is dehumidified by the runner to make the air humidity reach the low humidity control requirement. In this way, the system makes full use of the two dehumidification methods. advantage. In other seasons, such as spring and autumn, due to the wet load drop, at this time, through the energy regulation of the refrigeration system, the temperature of the air before the cold is controlled, and the wet load is completely borne by the dehumidification rotor section. The purpose of system cooling and heating is to precisely control the supply air temperature.

5, need to pay attention to the purchase of dehumidifier:

Due to the technical aspects involved in the combined dehumidifier, it is necessary to have a comprehensive understanding of the selected components and the entire field application, in order to design and produce reliable products. Now some manufacturers are only taking orders and making Mainly, the lack of corresponding technical personnel, resulting in a lot of flashy products flooding the market. Due to fierce market competition in recent years, some so-called old manufacturers rely on the good reputation established by the original, use the customer's lack of understanding of the product, do not want to reduce the original profit, do not hesitate to sacrifice product quality, try every means to save costs and use low cost. Unqualified materials, shoddy to deceive customers.

Therefore, customers should fully understand the technical performance, product configuration and manufacturer's ability of the dehumidifier before purchasing, and communicate with professional technicians to choose a cost-effective product! ! !

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