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Blower Purge Desiccant Dryer

The KXB series blower purge desiccant dryer employs an air blower and an external electrical heater for the regeneration process. The blower intakes the ambient air required during the heat regeneration cycle through the heater, and then the air flows through the desiccant bed to remove moisture. As a result, the blower purge desiccant air dryer eliminates the demand for purge air, which ensures increased energy saving when compared with other regenerative desiccant dryers.

This range of blower purge compressed air dryer has a large flow capacity, ranging from 23m3/min to 510m3/min, and dew point at outlet is -40°C.

Features
1. High Efficiency Centrifugal Blower

The blower purge desiccant dryer is equipped with a centrifugal blower to produce purge air in a reliable and quiet way. Moreover, an intake filter is applied, making it very easy to replace the filter element.

2. Low-Watt Heater with High Temperature Interlock
The external heater for this adsorption dryer has a sheath that is made of Incoloy alloy, and it features very low energy consumption. The temperature of heater sheath is monitored to ensure continuous normal and safe operation, and the power supply of heater will be cut off if the temperature exceeds a certain value.

3. High Quality Desiccant
Our desiccant air dryer adopts high quality activated alumina and molecular sieve as the desiccant material to ensure efficiency.

4. Advanced PLC Controller
This blower purge desiccant dryer uses Siemens S7200 or S7300 PLC controller to execute all the actions, and the 7" touch screen is used to display the operation status.

5. Pressure Gauges
The pressure gauges are manufactured by stainless steel, and they are fixed on two towers to indicate the pressure during drying and generation stages.

6. Dew Point Display
The high precision ceramic sensor is applied to detect the dew point at the outlet, and high dew point alarming function is available.

7. High Performance Pneumatic Valves
These specially designed oil-less pneumatic valves are applicable for high temperature conditions, and they have stainless steel internals as well as PTFE seats.

8. Low Noise but High Safety
The blower purge desiccant dryer is available with a large muffler to reduce noise level, and a built-in safety relief valve is also available to enhance safety.

9. Particulate Filter
A particulate filter is available to remove fine desiccant particles, thus preventing damages to downstream equipment.

10. ASME Pressure Vessels (Optional)
This range of compressed air purification system can be optionally outfitted with pressure vessels that conform to ASME Section VIII, Div. 1.

11. Mounted Pre-filter and After-filter (Optional)
KXB series blower purge desiccant dryers can be optionally fixed with pre-filter and after-filter before leaving factory, so as to offer better working performance.

12. Tower Insulation (Optional)
The insulation layer is used to optimize regeneration efficiency, and contact barrier is also provided to realize safe working.

13. NEMA 4 Electrical Enclosure (Optional)
The NEMA 4 and IP66 rated electrical enclosure is provided to protect the electrical components against falling.

Operating Conditions
Normal Inlet Pressure 7 bar (g)
Normal Inlet Temperature 38℃
Pressure Dew Point -40℃
Purge Loss Zero purge or 1%
Max. Operating Pressure 10 bar
Min. Operating Pressure 4 bar
Max. Inlet Temperature 50℃
Min. Inlet Temperature 10℃
Standard Power Supply 380V/3Ph/50Hz
Technical Specifications
Model Flow Capacity Heater (kW) Blower (kW) Dimensions Air Connection Weight (kg)
m3/min CFM L (mm) W (mm) H (mm)
KXB-200 23 812 15 3.3 1560 1630 2780 DN80 1380
KXB-250 27 953 18 4.2 1870 1830 2880 DN80 1720
KXB-300 34 1200 24 5.5 2090 1990 3070 DN80 2060
KXB-400 45 1588 32.4 7.2 2530 2180 2920 DN100 2750
KXB-500 55 1941 42 8.8 2750 2390 3100 DN100 3430
KXB-600 65 2294 48 10.8 2920 2510 3080 DN125 4120
KXB-800 87 3071 64.8 13.8 3040 2780 3120 DN150 5500
KXB-1000 110 3883 81 17.5 3210 2920 3200 DN150 6300
KXB-1200 130 4589 95.4 20.8 3380 3080 3280 DN150 7810
KXB-1500 160 5648 119.7 25.8 3520 3180 3410 DN200 9200
KXB-2000 210 7413 162 34.5 3680 3320 3560 DN200 11300
KXB-2500 260 9178 205.2 43.2 3720 3400 3640 DN250 14000
KXB-3000 320 10943 240 51.8 3820 3480 3720 DN250 14900
KXB-3500 360 12708 285 59.2 3950 3560 3810 DN300 16200
KXB-4000 410 14473 318 67.8 4520 3720 3890 DN300 17900
KXB-5000 510 18003 398 78.2 5380 3980 3970 DN350 19200
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