Are you looking for the most energy efficient pressure dewpoint -40°C/-70°C compressed air treatment solution? If so, experience the “GCBD” combination dryer of GSA Co., Ltd.
For the companies that use a lot of compressed air and are concerned about condensate, we recommend our GCBD combination dryer. You can experience a surprising amount of energy savings compared to using a desiccant dryer alone or using a desiccant and refrigeration dryer in series.
Since the air supplied to the adsorption dryer has already been dried to a pressure dew point of 4°C, the burden on the adsorbent is reduced incomparably with untreated air.
Since the thermodynamic and mechanical stresses acting on the GCBD adsorption dryer are greatly reduced, not only can the service life of the adsorbent be extended dramatically, but also the amount of adsorbent filling is reduced. Maintenance costs are thus minimized.
I will briefly explain the operating principle of the GCBD combination air dryer.
The high-temperature saturated compressed air introduced into the primary heat exchanger of the refrigeration dryer is primarily cooled while exchanging heat with the cold outlet air.
Most of the moisture present in compressed air is removed in the process of passing through the secondary heat exchanger where air and refrigerant exchange heat. In the process of exchanging heat with cold refrigerant, the dew point drops to 4℃. Condensate generated in this process is discharged to the outside through an automatic discharge device.
Compressed air that has been cooled through the refrigeration dryer passes through the adsorption dryer, and in this process, the dew point drops below the guaranteed dew point (-40℃ or -70℃).
Compressed air from which moisture has been removed to the guaranteed dew point is reheated while passing through the primary heat exchanger of the refrigeration dryer before being supplied to the production line.
Next, I will take a look at the information display items of the GCBD combination dryer.
In the case of refrigerant dryers, dryer operation and stop status, Dew point (dew point), inlet air temperature, refrigerant pressure, and alarm occurrence are displayed.
For adsorption dryers, operation and stop status, operation mode, process in progress and process duration, dew point temperature, valve operation status according to the process, blower and heater operation status, regenerated air temperature after heater, alarm occurrence display, alarm history check, process time Functions such as settings, regeneration air temperature settings, and other option settings are provided.
Let’s take a look at why the use of a GCBD combination dryer is essential, not optional.
Our GCBD dryer can save 87% of energy compared to using non-heated adsorption dryer alone. Compared to using the heating adsorption dryer alone, you can save 67% of energy.
Compressed air entering the desiccant dryer already has a pressure dew point down to 4°C, so the load on the desiccant is much less than that of air without water removal. This extends the lifetime of the adsorbent by nearly 10 years, resulting in significantly lower maintenance costs.
The thermodynamic and mechanical stress on the GCBD adsorption dryer is greatly reduced, which not only increases the lifetime of the adsorbent but also reduces the filling amount. This means maintenance costs are minimized.
Let’s take a look at the benefits you can enjoy using the GCBD combination air dryer.
Compared to using a non-heated adsorption dryer alone without a refrigeration dryer, up to 87% power savings can be achieved by using a GCBD combination dryer with no purge consumption.
Equipped with a dependable thermostat control system, GCBD dryers are able to automatically switch from the frost prevention operation mode in winter to the refrigeration dryer single operation mode during the warmer months.
Even end users who already use refrigeration dryer and adsorption dryer can enjoy 100% of these combination dryer functions by replacing existing refrigeration dryer with GSA refrigeration dryers that enables combination function.
Air compressor and dryer suppliers can have more marketing options with GCBD combination air dryers.
At a time when energy prices are soaring, the end users’ desire for energy saving is inevitably soaring. Air compressor and air dryer suppliers can now offer their customers the best energy saving solutions with the GSA GCBD combination dryer. Whether it’s a new installer or an existing user.
GCBD dryers are not one-off custom-produced systems. Rather, they can be optimally configured to suit the needs of virtually any application simply by selecting the appropriate components from GSA’s extensive range of refrigeration and desiccant dryers. Users are therefore able to benefit from optimum system reliability and cost-effective compressed air drying year-round.
GCBD dryers are quick and easy to install. GSA standard components are mounted on a base frame ready for immediate operation – quick, easy and effortless.
A dry compressed air system is essential to maintain the reliability of production processes and the quality of end products. Untreated air can cause corrosion in pipe work, premature failure of pneumatic equipment, and product spoilage.
Desiccant dryers or twin tower dryers consist of two towers filled with desiccant such as activated alumina or silica gel. While one tower is drying compressed air, the other is being regenerated. Desiccant dryers can achieve dew-points of down to -40°C/-40°F and -70°C/-100°F.
Five (5) types of desiccant dryer are widely used throughout industry: heatless, heated purge, blower purge and zero purge loss and combination types.
- Heatless dryers use about 14% portion of the dried compressed air for regeneration
- Heated purge dryers use about 8% heated portion of the dried compressed air for regeneration.
- Blower purge dryers use about 4% compressed air and heated ambient air for regeneration.
- Zero purge dryers use a portion of heated ambient air for regeneration.
- Combination dryers do not use compressed air for regeneration, equal to zero purge dryers
Desiccant dryer selection should be based on the required dew-points and the cost of energy required to operate the dryer, and not only the initial capital cost.
The energy costs are heavily dependent on the way in which the desiccant is regenerated. The illustration compares the lifecycle cost for 5 types of desiccant dryers sized to dry 7200 N㎥/h.
In the case of “H” Steel, a company that requires a large amount of compressed air of 20,000 Nm3 per hour, we compared the electricity cost for two cases: one that relied on one heating regenerative type adsorption air dryer and one that used a GCBD combination air dryer.
When using only one heating regenerative adsorption air dryer, annual electricity cost was about 570 million won, but after changing to GCBD combination dryer, annual electricity cost was about 130 million won, which is 440 million won, or 77% of the annual electricity cost. You can see the savings.
It is really a huge amount. A company that uses a lot of compressed air like this company can recover the facility investment in a short period of time.
Then, let’s take a look at where to use the GCBD combination air dryer.
Exceptional reliability for critical processes
Dry air is used to remove microscopic debris from the surfaces of computer chips and boards. Moisture can play havoc with sensitive processes and cause oxidation of micro-terminal strips, resulting in product failure. The electronics industry needs desiccant dryers offering a dewpoint as low as -70°C/-100°F , 24/7 availability and maximum uptime.
A reliable supply of high quality dry air
The next is Food and Beverage industry. The presence of moisture during the preparation of foods and beverages can cause contamination of end products. Processing machinery can also be affected by moisture, which interferes with their operation and obstructs the free and easy movement of the ingredient or item of food.
100% availability in a demanding environment
The next is Oil and Gas industry. Moisture-laden air is unacceptable for the oil and gas industry, particularly on offshore establishments. It causes rust and pipe scale that can clog orifices, foul transmitters and other delicate sensing equipment, and distort instrument readings. If tools become rusty or corroded they soon become inoperable, and replacements are expensive. Oil & gas installations need 24/7 availability of dry compressed air at a low dewpoint.
A tight control an quality
Strict moisture control is a key factor in the manufacture of most drugs and medicines. Many materials used to produce pharmaceuticals have a physical affinity for moisture, which can cause powdered material to aggregate. Other powders that are formed into a tablet under high pressures will adhere only when in a dry state. Humidity can cause a tablet to crumble or the drug to decompose and diminish in its therapeutic value. To assure consistently high-quality drugs, the presence of dry air in the processing area and machinery is therefore vital.
We learned about the GCBD combination air dryer produced by us with you.
Due to the rapid rise in electricity prices, production costs are also rising rapidly.
If you are a company that uses a lot of compressed air, I don’t think there is any reason to hesitate to change to a combination dryer. Customer satisfaction is the ultimate value we pursue.
If you have any further questions about the GCBD combination air dryer produced by our company, please feel free to contact us through the contact information below. Thank you so much.
