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Welcome to visit Hangzhou Chuankong General Equipment Co.,Ltd.
For sale high effectioncy low power consumption mini lng plant

Introduction
Our company began to develop LNG plant as early as in 1980s. By now, we have provided about 30 sets of LNG separation plants. The technique includes expander process, MRC mixed cold process, etc.

Natural gas pre-treatment and purification system including:
1. Desulphurization decarbonization system
Process: (MDEA+MEA) mixed amine method
(MDEA+ activator) MDEA method
Software: AMSIM which is recognized by Chinese authorities
Results: CO2<50ppm, H2S<4ppm
2. Dehydrating system
Dehydration by using 4A molecular sieve
Process by using three towers (or two towers): less regenerative gas is needed; more stable in operation
Molecular sieve dryer: it is designed in accordance with GB150 and tested by fatigue analysis
3. Mercury removal system: 10ng/nm3
The sulfur-loaded activated carbon is used to adsorb mercury, which can be used for 3-5 years. It is one tower or two towers, no need for regeneration. A filter is set behind the mercury removal system.
4. Aromatic hydrocarbon and heavy hydrocarbon removal system
From heavy hydrocarbon separator in the cold box, the heavy hydricarbon is separated and then adsorbed by scrubbing solution. After that, it goes out from tower bottom, gets separated, and at last gets stored in the storage tank.
Main processes/methods used for natural gas liquefaction by LNG plant:
1) expansion refrigeration circulation
Nitrogen methane expansion or nitrogen double expansion with freon as pretreatment;
Mainly used for small type liquefaction plant with a capacity of 300,000 m3/day or below;
2) single mixed refrigerant circulation
It is divided into single stage throttling and multi stages throttling.
Liquefaction capacity: 300-2,000,000 m3/day
3) multi-refrigerant circulation
Mixed refrigerant circulation with propane as pretreatment; liquefaction capacity: 2,000-10,000,000 m3/day.
Multi mixed refrigerant circulation with propane as pretreatment and mixed refrigerant circulation by nitrogen expansion for super cooling; liquefaction capacity: 10,000,000 m3/day or above;

| Product name | For sale high effectioncy low power consumption liquid gas mini lng plant | ||
SERIAL NO | SCALE |
LIQUEFACTION PROCESS
| CUSTOMER |
1 | 200 000 NM3/D NATURAL GAS LIQUEFACTION PLANT - TOTAL PACKAGE | TWO-LEVEL NITROGEN EXPANSION REFRIGERATING CYCLE + DENITRIFICATION LIQUEFIED PROCESS | EXPORT TO POLAND |
| 2 | 50 000 NM3/D NATURAL GAS LIQUEFACTION PLANT - TOTAL PACKAGE | MIXING WORKING MEDIUM WITH PRECOOLING N2-CH4 EXPANSION REFRIGERATION LIQUEFIED PROCESS | ORDOS, INNER MONGOLIA |
| 3 | 2 400 000 TONS/YR, 3 400 000 TONS/YR NATURAL GAS LIQUEFACTION TECHNOLOGY R&D INCLUDED | PROPANE PRECOOLING MIXED REFRIGERANT REFRIGERATION LIQUEFIED PROCESS | CNOOC NORTH PARS |
| 4 | 1 000 000 NM3/D NATURAL GAS LIQUEFACTION PLANT - TOTAL PACKAGE | MIXED REFRIGERANT REFRIGERATION LIQUEFIED PROCESS | ALXA, INNER MONGOLIA |


We are proud to have an experienced and passionate elite team. We have always been a pioneer in the industry, to keep competitive in the world market. Our team will be constantly committed to exploring the gas field, providing customers with a variety of tailor-made solutions for air resource exploitation.

As a top two brand in cryogenic equipment with almost 50 years history, We specialize in producing air separation units, LCO2 recovery plants, LNG plants, cryogenic liquid storage tanks(LO2, LN2, LAr, LCO2, LNG and LPG), cryogenic mobile tanks, semi-trailer tankers, vaporizers, gas filling stations,gas cylinders and dewars, dry ice making machines, dry ice blasting machines and cryogenic pumps etc.

In the gas equipment field, we are proficient in both design and manufacture, enjoying a good reputation worldwide. By our consistent efforts, we turned the invisible air into visible brilliance. With 50 years of experience, we can provide customers with a complete range of products and the most professional services. Taking advantage of the group company structure, we have an in-depth and comprehensive understanding of market. Customers can get all they need at one-stop purchase.
Our Mission:
Professional staffs are employed to serve the customers. The high quality and low price can ensure the customer dominating the marketing.
Buyer Reading
1. Q: What products I can order from your company?
Re: We specialize in producing air separation plants, CO2 recovery plants with or without source gas, cryogenic liquid storage tanks (LO2, LN2, LAr, LCO2, LNG and LPG), ISO tanks, semi-trailer tankers, vaporizers, LPG and LNG filling stations, cylinders and dewars, dry ice machines, compressors and cryogenic pumps etc. Any interests you can feel to contact us for details. Thanks.
2. Q: What is your production standard? Can you manufacture your products under ASME standard?
Re: Our products are designed, manufactured and tested as per reference standards of GB150, Safety technology supervision regulations of pressure vessels and some other reference Chinese standards.
Our company has obtained the A2 and C2, C3 Pressure Vessel Fabrication Certificates, Grade GC1 Pressure Pipe& Vessel Construction Certificates, ISO9001 Quality Certificate, ASME Certificate and U Stamp. So, if you ask for ASME stamp, we are able to manufacture your products under ASME standard.
3. Q: What’s the difference between Chinese GB standard and ASME standard?
Re: Our GB standard on PV is equivalent to ASME VIII and GB electrical standards are equivalent to IEC standards, for electrical products.
The following are used by European countries for export in Gulf and all of them have equivalent Chinese standards as per WTO rule.
- DIN-Standards
- VDI/VDE-Regulations
- IEC-Standards
- AD-Specifications
- UVV-Regulations
We can send you a document specifying relationship between GB150 and ASME on your request.
4. Q: Have you supplied tanks to any renowned companies?
Re: Our group company is a regular strategic partner of some big gas companies. We have supplied many storage tanks for them with different sizes. The biggest size we ever provided is 3000m3 ordinary pressure storage tank. We also made high pressure storage vessels for them, such as 100m3 LCO2 tanks, 10m3 (20m3, 30m3)LO2 (LN2, LAR) tanks.
As a giant cryogenic equipments company with more than 40 years history, we are a top two manufacturer producing air separation plants in China. The biggest air separation plant we have ever made is 60,000Nm3/h, famous for its advanced technology and reliable performance.
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