Interstage dewatering unit for CNG filling stations

Interstage dewatering units for CNG filling stations

Device Description:
　　The interstage dewatering device is located at the first stage outlet of the compressor (it can also be set at the second stage outlet, and the working pressure is suitable for not more than 4.0MPa). This series is suitable for the city network whose pressure is too low (front dewatering investment is too high), and the compressor can leave the interface configuration.

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Product Detail

Equipment model	Inlet and outlet	Processing gas volume Nm3/hr						Weight Kg	Total power KW	Overall dimensions mm
Equipment model	Inlet and outlet	0.7MPa	1.2MPa	1.6MPa	2.5MPa	3.2MPa	4.0MPa	Weight Kg	Total power KW	Length	Width	Height
MND50	DN50	1200	1800	2200	3800	4800	6000	2980-4650	36	3100	2000	2950
MND55	DN65	1500	2500	3000	4500	6000	7000	3120-4650	36	3200	2000	3000
MND60	DN65	1800	2500	3500	5500	6800	8500	3150-4870	36	3200	2100	3050
MND65	DN65	2000	3200	4200	6500	8000	10000	3550-5350	48	3200	2100	3050
MND70	DN80	2500	3800	4800	7500	9500	12000	3630-5410	48	3300	2200	3050
MND80	DN80	3000	5000	6500	9500	12000	15000
MND90	DN100	4000	6000	8000	12000	15000	20000
MND100	DN100	5000	8000	10000	15000	20000	25000

Brief description of the process.

From the first (or second) stage of the compressor exhaust into the pre-filter to remove free oil, water and dust through the valve 1 into the A tank, gas dehydration through the check valve and post-filter sent to the outlet. The regeneration circuit gas is led from the outlet of the dewatering unit through the circulation fan into the heater, after warming up, it enters the desorption bed in tank B through the check valve, and then enters the cooler through valve 4, after cooling, it separates the liquid water precipitated in the gas, and then returns to the inlet of the dewatering unit.

Device features.

　　Appropriately increasing the pressure level is conducive to reducing the size of the device and reducing the manufacturing cost and operating cost. Using low pressure front regeneration and zero emission technology in the same pressure adsorption regeneration, there is no drain loss when switching, and it is not affected by the compressor shutdown, and the whole regeneration process is completed independently.