Zero Purge -20 to -70 Dew Point Blower Heat Desiccant Air Dryer for Air Compressor

Basic Info

Model NO.	SDXG-15
Operation Pressure	0.6-40MPa
Inlet Temperature	<80 Degree
Cooling Way	Air Cooling and Water Cooling
Type	All Size
Certification	CE, ISO9001
Feature	Cold-Resistant, Corrosion-Resistant
Standard	Standard
Material	Alloy
Transport Package	Wooden Case
Specification	810*544*1327
Trademark	SHANLI
Origin	Hangzhou, China
HS Code	8419399090
Production Capacity	50000pieces/Year

Product Description

Zero Air Consumption Blower Heat Regeneration Adsorption Compressed Air Dryer (PB Series)Detailed Photos

Process Flow Diagram of Heated Desiccant Air dryers

Working Principle :
The wet compressed air is from the butterfly valve 1 to the bottom of the tower A from the air inlet,Through the diffuser,The compressed air enters smoothly into the tower A,flowing through the dry bed,Moisture is absorbed,Make pressure dew point reduced to - 40 ºC,Dry compressed air flows from the top of the tower A,through the check butterfly valve C1 to enter the point of use of compressed air.While adsorbing the Tower A, the Tower B regenerates the adsorbent.At this point, the moisture content of the adsorbent in tower B is saturated,drain pressure in the tower to one atmosphere by dropping valve 4,5 and muffler OS.After reducing pressure,Air Blower BL starting,entering into the atmosphere,Heating up through the heater EH,The adsorbent in the tower B is regenerating, the air is heated between 120 ºC to 180 ºC.Hot air enter into Tower B,When flowing through the absorbent bed, the water is released from the surface of the adsorbent, and into the air, the heated regeneration air are released into the atmosphere by the butterfly valve 4,5 and muffler OS.After the heating stage, The adsorbent is regenerated, but adsorbent temperature is still high, before adsorbing the compressed air, must be to reduce the temperature, in order to obtain the optimal adsorption effect.The equipment is cooled by a water-cooled HT after cooler rather than a dry finished product, thus saving energy.In the process, through a series of Matching Application of the valve, the Blower and the tower B form a closed loop, avoid heaters, flowing through the after cooling, the blower cooling down the air into the tower B, the cooling air through the adsorption takes the heat away. And then enter the standby and voltage-sharing of Tower A , then the two towers at the same time adsorption for some time, the last two towers automatically switch to the next cycle.
Product Parameters

Model	Air capacity(Mm3/min)	Air connector dia	Heater power(KW)	Blower power(KW)	Desiccant weight (kg)	Dryer net weight(kg)	Dryer size (mm)	Cooling water circulation M³/h
SDXG-15PB-I	16	DN65	10	2.2	486	1100	1600×1480×2419	1.2
SDXG-20PB-I	22	DN65	12	5.5	606	1500	1650×1604×2442	1.2
SDXG-25PB-I	26.8	DN80	15	5.5	716	2000	1800×1757×2564	1.6
SDXG-30PB-I	32	DN80	18	5.5	860	2200	1800×1781×2544	2.2
SDXG-40PB-I	43.5	DN100	22	7.5	1158	2300	2060×1862×2657	3.3
SDXG-50PB-I	53	DN100	27	9	1422	3000	2170×2009×2726	3.3
SDXG-60PB-I	67	DN125	36	9	1608	4200	2546×2199×2831	5.5
SDXG-80PB-I	90	DN125	42	9	2436	5400	2600×2317×2940	5.5
SDXG-100PB-I	110	DN150	54	13	2926	6100	3250×2432×3087	9
SDXG-120PB-I	130	DN150	72	13	3476	8100	3350×2512×3153	9
SDXG-150PB-I	160	DN200	84	13	4710	11600	3800×2742×3428	9
SDXG-200PB-I	210	DN200	96	18.5	7008	16000	4700×2578×3532	16

Note:Design conditions: working pressure: 7bar, inlet temperature: 38ºC, pressure dew point: -20ºC

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