GHLW series refrigerated dryer

Focus on post-treatment system of compressed air and medical gas system

National high-tech enterprise focusing on post-treatment and purification system of compressed air and medical gas system. It has the ability of completely independent research and development, has applied for/obtained nearly 100 patents, and has formed a three-dimensional intellectual property protection system. Its products are sold to foreign countries and won many awards. He is responsible for formulating a number of national and industrial standards. For the purification and post-treatment of compressed gas and the research, development and production of medical gas system. Product scope: freezing dryer, adsorption dryer, pipeline precision filtration, oxygen generator, nitrogen generator, gas water separator, filter element, pneumatic element, etc.

Parameters
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Model	GHL150(W)	GHL200(W)	GHL250(W)	GHL300(W)	GHL400(W)	GHL500(W)	GHL600(W)	GHL800(W)	GHL1000(W)	GHL1200(W)
Maximum handling capacity（m3/min）	17	23	27	33	42	55	65	85	110	130
Power Supply	380V50Hz
Air line connection	DN65Flange	DN80Flange		DN100Flange			DN125		DN150Flange
Evaporator type	Shell and tube type
Cooling mode	Air cooled, tube fin type
Refrigerant model	R22
Maximum system pressure drop （Mpa）	= 0.025
Display interface	LED dew point temperature display, LED alarm code display, operation status indication
temperature control	Automatic control of condensation temperature/dew point temperature
High voltage protection	Temperature sensor & Pressure sensing intelligent protection
Low voltage protection	Temperature sensor & Pressure sensing intelligent protection
Operating Weight（kg）	360	420	520	630	800	960	1150	1250	1650	2010
Overall dimensions L * W * H（mm）	1410	1710	1710	1910	2160	2260	2360	2700	2820	3050
	710	760	810	980	1050	1050	1050	1400	1500	1650
	1330	1440	1580	1720	1835	1765	1840	2160	2240	2340

The reference formula for the selection of the processing capacity of the refrigerated dryer:

• Processing capacity of cold dryer at rated ambient temperature=air compressor discharge/C1 * C2 * C3 * C4
C1: ambient temperature correction coefficient C2: intake temperature correction coefficient ＜ 3: working pressure correction coefficient ＜ 4: pressure dew point correction coefficient

C1: Number of environmental defects

°C	20	25	30	36	40	45	50
Correction factor	1.25	1.12	1.06	1.00	0.9	0.8	0.7

C2: Correction coefficient of intake air temperature

°C	30	35	40	45	50	55	60
Correction factor	1.15	1.1	1.05	1.00	0.85	0.7	0.45

C3: Correction coefficient of working pressure

Mpa	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1.0	1.2	1.5	2
Correction factor	0.64	0.73	0.82	0.89	0.95	1.00	1.05	1.07	1.1	1.15	1.26	1.38

C4: Pressure dew point correction factor

°C	3	5	7	10
Correction factor	1.0	1.1	1.2	1.3

Selection of adsorption dryer:

• The processing capacity of the rated suction dryer is determined according to the GB10893-89 standard under the condition that the inlet pressure is 7bar and the inlet saturated air temperature is 38.
When the inlet air pressure does not meet this working condition, it shall be corrected as follows:

Model	GHL150(W)	GHL200(W)	GHL250(W)	GHL300(W)	GHL400(W)	GHL500(W)	GHL600(W)	GHL800(W)	GHL1000(W)	GHL1200(W)
Maximum handling capacity（m3/min）	17	23	27	33	42	55	65	85	110	130
Power Supply	380V50Hz
Air line connection	DN65Flange	DN80Flange		DN100Flange			DN125		DN150Flange
Evaporator type	Shell and tube type
Cooling mode	Air cooled, tube fin type
Refrigerant model	R22
Maximum system pressure drop （Mpa）	= 0.025
Display interface	LED dew point temperature display, LED alarm code display, operation status indication
temperature control	Automatic control of condensation temperature/dew point temperature
High voltage protection	Temperature sensor & Pressure sensing intelligent protection
Low voltage protection	Temperature sensor & Pressure sensing intelligent protection
Operating Weight（kg）	360	420	520	630	800	960	1150	1250	1650	2010
Overall dimensions L * W * H（mm）	1410	1710	1710	1910	2160	2260	2360	2700	2820	3050
	710	760	810	980	1050	1050	1050	1400	1500	1650
	1330	1440	1580	1720	1835	1765	1840	2160	2240	2340

The reference formula for the selection of the processing capacity of the refrigerated dryer:

C1: Number of environmental defects

°C	20	25	30	36	40	45	50
Correction factor	1.25	1.12	1.06	1.00	0.9	0.8	0.7

C2: Correction coefficient of intake air temperature

°C	30	35	40	45	50	55	60
Correction factor	1.15	1.1	1.05	1.00	0.85	0.7	0.45

C3: Correction coefficient of working pressure

Mpa	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1.0	1.2	1.5	2
Correction factor	0.64	0.73	0.82	0.89	0.95	1.00	1.05	1.07	1.1	1.15	1.26	1.38

C4: Pressure dew point correction factor

°C	3	5	7	10
Correction factor	1.0	1.1	1.2	1.3

Selection of adsorption dryer:

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GHLW series refrigerated dryer

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