Large Biological Genetic Engineering Liquid Nitrogen Generator 99.99% Purity
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Product Highlights
- High Purity Output: Produces liquid nitrogen with purity up to 99.99% for various industrial applications.
- Wide Capacity Range: Models available from 0.3L/H to 50L/H, covering 120L/day to 1200L/day production.
- Low Noise Operation: Operates at low noise levels, typically under 50-78 dB depending on the model.
- Automated Control: Features one-button start and shutdown with high automation, requiring minimal training.
- Versatile Applications: Suitable for healthcare, food preservation, biotechnology, and scientific research.
- CE and ISO Certified: Meets international safety and quality standards with CE and ISO certifications.
- Flexible Customization: Offers OEM/ODM services, full customization, and minor customization options.
- Energy Efficient Design: Utilizes advanced PSA and cryogenic technologies to optimize energy consumption.
Product Attributes
- Customization
- Available
- Application Fields
- Chemical
- Certification
- CE, ISO, RoHS
- Model NO.
- LPLN-240
- Condition
- New
- Noise Level
- Low
- Parts
- Gas Tank
- Purpose
- Gas Manufacturing
- Usage
- Nitrogen
- Delivery
- Around 50days
- Power
- 30kw
- Capacity
- 120L
- Energy Consumption Level
- 1
- Machine Size
- Small
- Transport Package
- Export Standard Packing
- Specification
- standard and customerized
- Trademark
- LDH
- Origin
- China
- HS Code
- 841960
- Package Size
- 130.00cm * 150.00cm * 170.00cm
- Package Gross Weight
- 40.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
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Product Description
After the raw air is compressed by the air compressor, it enters the high-pressure air tank, and then goes through a filter to remove impurities and enters the adsorption tower of the PSA oxygen generator. After nitrogen and oxygen separation, pure nitrogen enters the high-pressure nitrogen tank, and then enters the refrigerating circulating nitrogen liquefier to be liquefied. The liquid nitrogen is restricted to atmospheric pressure and then enters Dewar for storage.
Exploring the Realm of Liquid Nitrogen Generation: A Comprehensive Overview of Applications, Technology, Industry Growth, and Future Prospects
I. Introduction
- Background: Introduce the significance of liquid nitrogen in various industries, emphasizing its unique properties and benefits over other cryogenic agents.
- Purpose: Outline the intent of the article to provide an in-depth understanding of liquid nitrogen generators, their functionality, and their role in shaping industrial practices.
- Working Principle: Detail the underlying processes involved in the production of liquid nitrogen, including:
- Cryogenic Distillation: Explain how atmospheric air is liquefied, fractionally distilled, and cooled below -196°C to separate nitrogen from oxygen and other gases.
- Pressure Swing Adsorption (PSA): Discuss PSA as an alternative method for generating gaseous nitrogen that can then be liquefied through additional cooling.
- Technological Advancements: Highlight recent innovations in cryogenic technology and how they have improved efficiency and reduced energy consumption in LN2 generators.
- Healthcare & Biotechnology: Describe the use in cryopreservation, cell/tissue storage, and medical applications such as dermatology and surgery.
- Food & Beverage: Explain freezing and chilling processes for food preservation, packaging, and transportation.
- Manufacturing & Materials Processing: Cover uses in metal treatment, electronics manufacturing, and rapid cooling for material hardening.
- Research & Laboratories: Mention LN2's importance in scientific experiments, chromatography, and sample preparation.
- Other Industries: Include pharmaceuticals, construction, and aerospace applications.

- Industry Overview: Provide statistics on global market size, growth rate, and segmentation by region, type, and end-user industry.
- Major Players & Competitive Analysis: Profile leading manufacturers and analyze their product offerings, market strategies, and technological advancements.
- Market Drivers & Challenges: Discuss factors driving demand, such as increasing adoption in healthcare and food sectors, and challenges like environmental concerns and energy costs.
- Sustainable Innovations: Explore emerging green technologies that reduce carbon footprint and improve energy efficiency in LN2 generation.
- Regulatory Framework: Discuss regulatory changes that may impact the sector, such as safety regulations and environmental policies.
- Potential New Markets: Anticipate future demands from growing industries or new applications, such as renewable energy storage and advanced materials processing.
- Technology Roadmap: Forecast potential developments in LN2 generator technology that could revolutionize current application areas.
- Summarize key points discussed in the paper, reiterate the importance of liquid nitrogen generators, and outline the anticipated trajectory of the industry.
- Technical specifications of representative models
- Case studies illustrating successful implementation
- Comparative charts and graphs depicting performance metrics and cost-effectiveness
| Mode | LPLN-10 | LPLN-20 | LPLN-40 | LPLN-80 | LPLN-120 | LPLN-240 | LPLN-480 | LPLN-720 | LPLN-960 | LPLN-1200 |
| Capacity | 0.3-0.4L/H 8-10L/day |
0.8-1L/H 20-24L/day |
1.6-2L/H 40-50L/day |
3L/H 72L/day |
5L/H 120L/day |
10L/H 240L/day |
20L/H 480L/day |
30L/H 720L/day |
40L/H 960L/day |
50L/H 1200L/day |
| Purity | ≥99% | ≥99% | ||||||||
| Votage | 220VAC 1P 50Hz |
380VAC 3P 50Hz 220VAC 1P 50Hz |
380VAC 3P 50Hz 220VAC 1P 50Hz |
|||||||
| Power(KW) | 2 | 4.5 | 7.5 | 12.5 | 15 | 27 | 45 | 55 | 84 | 92 |
| Area | 1 | 1.5 | 3 | 3.5 | 3.5 | 10 | 30 | 30 | 40 | 40 |
| Size | 750*650*1500 | 1150*850*2000 | 1250*2000*2000 | 1250*2000*2000 | 1250*2000*2000 | 6000*1100*2200 | 8000*1700*2300 | 8000*1700*2300 | 12000*1800*2350 | 12000*1800*2350 |
| Weight(kg) | 425kg | 710kg | ||||||||
| Ambient temperature | 0-30ºC | 0-30ºC | ||||||||
| Noise(dB) | <50Db | <50Db | <50Db | <50Db | <55Db | <72Db | <78Db | <78Db | <78Db | <78Db |




In the refrigerating stage, the mixed working substance is throttled by the single-stage compressor, condenser and regenerative heat exchanger to provide the cooling capacity for the cooling cycle. After passing through the compressor and condenser, the refrigerant is cooled by the throttling refrigerating stage of the mixed working medium in the regenerative heat exchanger. After throttling, the refrigerant enters the nitrogen liquefier to provide cold capacity for nitrogen liquefaction supplied by the pressure swing adsorption nitrogen production unit. Mixed working medium precooling machine is based on regenerative throttling refrigeration cycle, the refrigeration temperature from ambient temperature to the target, optimization of multiple components including the boiling point of pure quality, and the mixed working medium, the effective cooling temperature area covered with overlap each other, to improve the refrigeration temperature matching area distribution, and realize effective refrigeration temperature regions boiling point groups each yuan relay matching, thus making a big temperature across the efficient refrigeration, can obtain higher under relatively small pressure difference of throttling refrigeration effect. Therefore, it is possible to adopt a closed cycle throttling refrigerator driven by a single stage compressor.
During the use of the equipment, it can realize one-button startup and one-button shutdown with a high degree of automation. Generally, it can be achieved after simple training and does not require too much professional knowledge and skills.(1) Rapidly freezing and transporting food, or making ice products;
(2) Research on low temperature physics;
(3) Demonstrate the low temperature state in science education. At room temperature, a soft object soaked in liquid nitrogen will be as brittle as glass;
(4) Provides the temperature required for high temperature superconductors to show superconductivity.
(5) It can be used as refrigerant to quickly freeze biological tissue to prevent tissue damage.
(6) It is used for industrial nitrogenous fertilizer.
(7) For chemical detection.
Liquid nitrogen is a liquid with a low temperature of - 196 ºC and is obtained from nitrogen which occupies more than 70% of the air. Inert, colorless, non-toxic, volatile, very wide range of use. Liquid nitrogen is easy to volatilize at low temperature, so it is generally stored in a special container liquid nitrogen tank.
According to the use of liquid nitrogen purity classification, often divided into food grade liquid nitrogen, industrial grade liquid nitrogen. The purity of food grade liquid nitrogen is high, because considering the safety of human consumption, the purity reaches 5 9, that is 99.999%. The purity of industrial grade liquid nitrogen is not as high as that of food grade liquid nitrogen.
In the process of using liquid nitrogen, people often think that the safety is not good, but because of the low temperature of liquid nitrogen, it will gasify immediately when it meets air, so the safety is still guaranteed. Just pay a little attention to safety, and there should be safety awareness in any case. Performance requirements

About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR246765". Items marked "" are certified.
Company Profile
LDH Gas Systems Ltd. Is a company specializing in gas separation equipment. The main nitrogen generator, oxygen generator, liquid nitrogen generator design, research and development, production, sales as one of the integrated enterprises. In many years of production and sales, we have met friends from all over the world, to establish a good partnership. Products are exported to Bangladesh, Indonesia, Pakistan, Holland, Brazil, Australia and other countries.
The liquid nitrogen generator products produced by our company are the world's advanced technology using the working medium refrigeration method, and cold head method, the nitrogen liquefaction, generating -196 degrees of liquid nitrogen, applied in biology, medicine, laboratory and other fields.
The company has more than ten years engaged in gas design, research and development experience of professional technical team, to provide users with pre-sale, sale, after-sales technical support, including technical design, drawings, schedules, key projects, installation guidance, training...Our equipment conforms to international standards. Before leaving the factory, we will carry out a comprehensive inspection and test on each device, so that each device is up to the standard before leaving the factory.
Our working attitude is to make every reliable product, solve customers' practical problems, make every beautiful product, let customers feel not only easy to use, but also beautiful.
Our goal is to become the best company in the gas separation industry in China. We have modern factories, modern production tools and young and passionate colleagues. We will strive to go beyond ourselves to provide gas solutions for global enterprises. We will use the best service to reflect our professional!
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 1303, No. 10 Building, No. 10 Shuyuan South Street, Fangshan District, Beijing, China
-
Plant Area
- 122 square meters
-
Number of Employees
- 12
-
Registered Capital
- 8,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month, 1-3 months
Off Season Lead Time: one month -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 40
Our Production Capability & Technical Expertise
-
Main Products
- Nitrogen Generator, Oxygen Generator, Liquid Nitrogen Generator, Cryogenic N2/O2 Generator, Oxygen Filling Machine, Gas Generator, High Purity 99.5% Oxygen Generator, Membrane Nitrogen Generator
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-09-19
-
Export Year
- 6 years
-
Main Markets
- Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the purity of the liquid nitrogen produced?
- The generator produces liquid nitrogen with a purity of up to 99.99%, suitable for industrial and food-grade applications.
- What are the available production capacities?
- Capacities range from 0.3-0.4L/H (0.3-0.4L/day) to 50L/H (1200L/day), with multiple models available to suit different needs.
- Is customization available for this generator?
- Yes, we offer OEM and ODM services, including full customization, minor customization, and customization from samples or designs.
- What is the lead time for delivery?
- The average lead time is around 50 days. During peak seasons, it may take 1-3 months, while off-season lead time is about one month.
- What certifications does the product have?
- The product is certified with CE, ISO, and RoHS standards, ensuring safety and quality compliance.
- What are the main applications of this liquid nitrogen generator?
- It is widely used in healthcare, biotechnology, food preservation, scientific research, and industrial manufacturing.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1 unit, allowing for flexible purchasing options.
- How automated is the operation of the machine?
- The machine features high automation with one-button start and shutdown, requiring only simple training to operate.
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