Gas cryogenic air separation unit Bleaching Gas GOX GAN for Produce Oxygen and Nitrogen

Cryogenic Air Separation Plant 600/600Nm³/h KDON-600/600 Gas Air Separation Unit Bleaching Gas GOX GAN

Specifications:

Standard Product List for the Cryogenic Air Separation Plant KDON 500~750 Nm3/h (GOX) Series

Typical Product:600/600Nm³/h KDON-600/600 Air Separation Unit
Output, purity and pressure

Description:

The proposed plant employs a process in which air is purified by molecular sieve and refrigerated by boosting turbine expander; fractionating column is sieve trays column.

The feed air sucked through air intake is cleaned of dust and other mechanical impurities in air filter AF and compressed to a pressure by air compressor. The compressed air flows into air precooling system for temperature to be reduced.

The air comes from the air precooling system flows into switched molecular sieve adsorber where such impurities as moisture, CO2, C2H2 and other impurities are adsorbed by molecular sieve.

The purified air is divided into three streams: one stream is fed out to be instrument air; another stream enters main heat exchanger (E1) to be cooled to the saturated temperature by reflux gas and then enters nitrogen column (C1); the air keeps rising in the nitrogen column and being condensed to increase the nitrogen content, and the nitrogen will be obtained at the top. Part nitrogen will be sent to oxygen column to be as completion heat source of liquid oxygen evaporator. And the rest nitrogen is withdrawn as product, and then goes out of cold box after being rewarmed with main heat exchanger, and after being boosted to the required pressure of user with the boosting end of expander, it is fed into the nitrogen pipe network.

The oxygen enriched liquid air at the bottom of nitrogen column goes into the liquid air subcooler to be subcooled, and then part liquid air to be throttled goes into the nitrogen column condensation evaporator. And the rest goes into the oxygen column as reflux liquid.

The oxygen enriched liquid air is evaporated to be oxygen enriched air which is withdrawn from the top and goes into the main heat exchanger to be rewarmed, and then it toes into the expander tor expansion refrigeration after being withdrawn from the middle of main heat exchanger.

The expanded oxygen enriched air enters main heat exchanger to be rewarmed, and then goes out of cold box.

Part of the oxygen enriched air which goes out of cold box enters electric heater, and then goes into another molecular sieve adsorber as the regeneration gas. The rest will be discharged.

The liquid oxygen will be obtained after the oxygen enriched liquid air is rectified in oxygen column. The liquid oxygen goes into the main heat exchanger to be rewarmed after being boosted with liquid oxygen pump, and then it goes out of cold box as product.

Applications:

1. Hardening Gas

2. Sterilization Gas

3. Electronic Gas

4. Nitrogen Purging & Pressurize Test

5. Cutting Gas


Competitive Advantage:

1. Long service life

2. Low-power high-efficiency

3. Convenient operation and maintenance

4. Low power consumption.

       Hangyang Cryogenic Liquefaction Equipment Co., Ltd. is one of the holding subsidiaries of Hangyang Co.,Ltd.(stock code:002430), it is organized on the basis of the original Small Scale of ASU Company of Hangzhou Hangyang Co,.Ltd. It is the major engineering, research and manufacturing base for small size of ASU and liquefaction plants in China, It is located in Hangyang Manufacturing Base in Lin'an Economic Development Zone, the address of sales office is No. 592, Zhongshan North Road, Hangzhou. It undertakes engineering consulting, design and manufacture, assembled construction design, installation and commissioning and supply of parts for medium and small size of ASU with its professional quality. It is the main base of design, research and manufacture for the domestic medium and small size of oxygen/nitrogen generating plants, liquid oxygen/liquid nitrogen plants, oxygen/nitrogen liquefiers, high-purity nitrogen generators, vacuum pipes and Pressure Swing Adsorption (PSA) for oxygen/nitrogen generating, etc.; Meanwhile, it is also the professional manufacturer for integrated assembly or skid type of medium size of ASU for leaving workshop by Hangyang, its abilities of design and manufacture for integrated assembly of medium size of ASU reach the leading domestic level. Our company has the independent import and export trade qualification.

      Our company possesses professional technical personnel teams of design and EPC engineering of ASU and also possesses design ability of product such as independent process calculation, project design, unit design, project EPC. The manufacture base of our company was relocated to new site in 2009. Recently, the floor area is 40.34 acres. Combinating with relocation, the imported and set-up professional manufacture production tools, moulds and equipment forms the manufacture ability for manufacture ASU whose capacity is below 30,000Nm3/h. Our company carries out the international administration concept and obtains authentication certificates of management system such as ISO9001, ISO14001 and OHSAS18001 of DET NORSKE VERITAS. Meanwhile, we obtains manufacturing license for pressure vessels manufacture D1 and D2, Zhejiang new high-tech enterprise certificate and small and medium-sized technology-based enterprise certificate, our company possesses impeccably professional manufacturing credentials for medium and small size of ASU.   

     Our company sets product research, manufacture, marketing and service in one to elaborately provide general customers superiorly coordinated service on the basis of decades experience in design and manufacture and administration concept by Hangyang. Products involve aspects such as metallurgy, petrifaction, electron, machinery, building materials and aerospace. Our products are not only sold well throughout China, but also sold to the West, and our company becomes the designated supplier for several well-known gases investment companies abroad. In the cooperation with transnational large gases companies, our company absorbs and imports the advanced design concept, strict administration program, exquisite manufacturing technology so as to lead our company to develop in the direction of diversification, exquisite products and large-scale. Hangzhou Hangyang Cryogenic Liquefaction Engineering Co., Ltd. undertakes EPC works of ASU under our company.