This scheme for the preparation of purity 99.5% nitrogen, the product gas Pu nitrogen oxygen content is less than 0.1%, dew point less than -40 ° C, nitrogen ≥ 99.99%, dew point less than -60 ° C was prepared.

Nitrogen technical parameters: S & P nitrogen:

1, gas production: ≥ 10Nm3 / h, the product gas purity: ≥ 99% 3, outlet pressure: 0.25 ~ 0.6MPa adjustable gas dew point: ≤ -40 ° C high purity nitrogen gas production: 1: ≥ 10Nm3 / h 2, the product gas is nitrogen content: ≥ 99.99%

3, the outlet pressure: High pressure: 0.2 ~ 0.4MPa adjustable base pressure: 0.05MPa

4, the product gas dew point: ≤ -60 ° C.

Second, the equipment components:

, Air compressor, pre-filter, freeze dryer, filter 5, PSA Nitrogen Generator, purifying and drying device 7, gas tank, and the supporting instrumentation

3,2 device features

⑴, performance and reliability: all equipment materials, instrumentation and control devices are selected domestic and international well-known manufacturers.

⑵, low cost: production 10Nm3 / h 99.9% N2 gas, the air consumption 40Nm3 / h.

(3) long life: high-quality BF carbon molecular sieve, The Proudly pneumatic valve to ensure that extend the time to failure of the entire device.

⑷, the device is compact, small footprint without the construction of a dedicated plant, construction investment Province: device structure is simple.

⑸, simple operation, PLC control unmanned operation.

, Equipment:

1, the air compressor:

2, in charge of passing through the filter:

3, the freeze-drying machine

4, air line filter:

5, efficient oil removal filter:

6, pressure swing adsorption (PSA) Nitrogen host:

7, nitrogen purification unit:

8, the gas tank