Ldh Integrated Small Nitrogen Generator

• Usage: Nitrogen
• Purpose: Gas Manufacturing
• Parts: Gas Tank
• Application Fields: Chemical
• Noise Level: Low
• Machine Size: Small
• Condition: New
• Certification: RoHS, UR, ISO, CE, CCC
• Voltage: 380V
• Warranty: 1year
• Type: Psa
• Purity: 99-99.999%
• Industry: Cutting and Welding
• Transport Package: Wooden Case/Pallet at Export Standard
• Specification: 1000*1200*1500
• Trademark: LDH
• Origin: Beijing China
• HS Code: 841960
• Production Capacity: 500

Product Description

Application of Nitrogen in cable industry - Nitrogen Generator
In the cross-linked insulated wires and cables, the main cross-linking methods are inert gas (nitrogen) cross-linking, warm water cross-linking and irradiation cross-linking. For the production of 10-500kV cables with large cross section and high voltage level of more than 70mm2, it is mainly realized by inert gas cross-linking (dry chemical cross-linking). Inert gas cross-linking using polyethylene insulation material with peroxy compound cross-linking agent, through three layers of co-extrusion to complete the extrusion of conductor shielding layer - insulation layer - insulation shielding layer, continuous and uniform through the sealed cross-linking tube filled with high temperature, high pressure nitrogen to complete the cross-linking process. Heat transfer media for nitrogen (inert gas), crosslinked polyethylene electrical performance is excellent, production range up to 500KV class.

The test shows that nitrogen conforms to the technical requirements of GB3864 industrial nitrogen, and is used as the heating medium in the production of cross-linked cable, which can improve the quality of cross-linked cable products, save investment and have a high degree of automation. It requires nitrogen purity ≥ 99.5%; The nitrogen pressure is 1.2 ~ 1.6MPa; Dew point ≤-40 ºC. In the past, most of the cross-linking production line manufacturers chose bottled nitrogen, but because most of the bottled nitrogen is the by-production gas of the cryogenic oxygen production units of other manufacturers, the purity of most bottled nitrogen is not enough, and the oxygen and water indexes often exceed the standard. If the medium water content is too high, the temperature is too high to produce water vapor, the formation of bubbles contained in the plastic state of PE, PE aging in advance. Therefore, the selection of nitrogen gas source for dry cross-linking production line is very important.

NT nitrogen making machine using pressure swing adsorption (PSA) nitrogen making principle, it has a simple process, room temperature production, low energy consumption, high degree of automation, easy to start and stop, less maintenance, nitrogen purity products can be adjusted with the gas volume, is an efficient field nitrogen system.

Due to the special requirements of cross-linked cable production, the nitrogen pressure is 1.2 ~ 1.6mpa, and the nitrogen instantaneous gas consumption is large, so NT nitrogen machine is designed with the volume of 6m3, pressure of 3.0mpa medium pressure storage tank, to balance the gas fluctuation. According to the user's production line and production situation to configure the number of medium pressure tank.

The practical operation of PSA nitrogen production device in the cross-linked cable production line shows that the technology is advanced and highly automated, which can meet the nitrogen demand of the cross-linked cable production line, and solve the problem of nitrogen self-production and supply. Moreover, the investment can be paid back in about one year. PSA nitrogen production technology as a mature engineering technology, in addition to the cable industry, can be widely used in chemical industry, gold treatment, food and other occasions requiring inert gas protection, displacement, pressing and other processes



PSA Nitrogen Generator  full name: Pressure Swing Adsorption (PSA).PSA is a new gas separation technology, which has been developed rapidly in foreign countries since the late 1960s and early 1970s. Its principle is to separate the gas mixture by the difference of the "adsorption" performance of different gas molecules by molecular sieve. It takes air as raw material.The nitrogen and oxygen in the air are separated by the selective adsorption of nitrogen and oxygen with a high efficiency and high selection of solid adsorbent.

At present, carbon molecular sieves and zeolite molecular sieves are used more in the field of nitrogen and oxygen production.The separation of oxygen and nitrogen by molecular sieve is mainly based on the different diffusion rates of the two gases on the surface of molecular sieve. Carbon molecular sieve is a carbon-based adsorbent with some characteristics of activated carbon and molecular sieve.Carbon molecular sieves are composed of very small micropores with pore sizes ranging from 0.3nm to 1nm.The smaller diameter of the gas (oxygen) diffuses faster and more into the solid phase of the molecular sieve, so that nitrogen enrichment can be obtained in the gas phase.After a period of time, molecular sieve on oxygen adsorption balance, according to the carbon molecular sieve under different pressure on the adsorption of different gas adsorption characteristics, reduce the pressure to remove the carbon molecular sieve on oxygen adsorption, this process is called regeneration.PSA usually uses two towers in parallel, alternately pressurized adsorption and decompression regeneration to obtain a continuous flow of nitrogen.

With air as raw material, with carbon molecular sieve as adsorbent, the use of pressure change adsorption principle, the use of carbon molecular sieve on oxygen and nitrogen selective adsorption and separation of nitrogen and oxygen method, commonly known as PSA nitrogen.This method is a new technology of nitrogen production which developed rapidly in 1970s.Compared with the traditional method of nitrogen, it has simple process, high degree of automation, produce gas quickly (15 ~ 30 minutes), low energy consumption, product purity can be adjusted according to user needs in a wide range, convenient operation and maintenance, low operating cost, good adaptability device etc., in 1000 nm3 / h the following competitive in nitrogen making equipment,PSA is more and more popular among medium and small nitrogen users, and has become the choice method for medium and small nitrogen users.

1. Why choose PSA nitrogen generator ?
High  purity
PSA nitrogen generator plants allow production of high-purity nitrogen from air, which membrane systems are unable to provide - up to 99.9995% nitrogen.The nitrogen generators use CMS (carbon molecular sieve) technology to produce a continuous supply of ultra high purity nitrogen and are available with internal compressors or without.
Low operating costs
By substitution of out-of-date air separation plants nitrogen production savings largely exceed 50%. 
The net cost of nitrogen produced by nitrogen generators is significantly less than the cost of bottled or liquefied nitrogen.
Nitrogen Generators Create Less Impact on the Environment
Generating nitrogen gas is a sustainable, environmentally friendly and energy efficient approach to providing pure, clean, dry nitrogen gas. Compared to the energy needed for a cryogenic air separation plant and the energy needed to transport the liquid nitrogen from the plant to the facility, generated nitrogen consumes less energy and creates far fewer greenhouse gases.
Application of Nitrogen in cable industry - Nitrogen Generator

LDHGAS psa nitrogen making machine process and equipment introduction
1. The technological process of nitrogen generator is briefly introduced
Air through the air filter to remove dust and mechanical impurities into the air compressor, compressed to the required pressure, after strict oil removal, water removal, dust removal and purification treatment, output clean compressed air, the purpose is to ensure the service life of the molecular sieve. At work, one pot adsorption, the other pot desorption, two sub work alternately. Clean air into the working adsorption tower, through molecular sieve oxygen, carbon dioxide and water absorption, flow to the outlet end of the gas is nitrogen and trace argon and oxygen. In this way, the two towers take turns to separate nitrogen and oxygen and continuously output nitrogen. The purity of nitrogen produced by psa is 95% to 99.999%.

 The most reliable equipment
* Molecular sieve filling compaction, using a professional way to complete under a professional background, higher density, higher gas production efficiency.
* Optimized design, process and structure optimization to maximize its potential for higher reliability.
*LDH GAS's dedicated valve ensures 1,000,000 times of use, fail-safe switching and stable operation of the safety system.
* Can automatically record working time, working state, accumulated flow,
* More reasonable system design, smaller footprint, lower energy consumption
* Automatic operation, system, whole process can achieve unattended.

After-sales service and support

LDH GAS provide a range of services to help you maximize your benefits. For maximum convenience, we offer a fixed-price service agreement.
Time. Of course, all customers are welcome to inquire at any time. We are always willing to help you.

1) Consulting firms
Help with self-help, experience sharing and personal support.
If you have questions about the operation of the factory or need to find someone to troubleshoot, we will provide you with suggestions by phone, video or written form. It is very important for us to have direct contact with you, because it is the basis for our permanent cooperation as partners, which is beneficial to both of us.

2) debugging
Systematically from final acceptance of installation to approval of correct operation and assurance functions. This includes extensive operational testing, professional adsorbent and catalyst filling, proper start-up, optimal operating parameter setting and inspection of all safety features. At the same time, the operators of our users are trained so that they can operate and maintain independently
 

3) Spare Parts Service
Worldwide, quick and low-priced over the complete lifetime of your plant. The distinct tagging of all plant components delivered by us enables us to identify clearly the spare parts requested by you. We supply you with products designed for a long life and economic efficiency. 
For modifications and extensions we look for the most optimal and economic solution for your individual purpose. 
4) Maintenance/Revisions
Regular inspection and maintenance ensures permanent operation, avoids damage and prevents unexpected breakdowns. In the course of maintenance/revision works we check all relevant components for function and condition, exchange defect, used and worn parts and afterwards optimally eadjust your plant to the given operating conditions. Depending on the plant size and 
scope of work, our service range comprises also a detailed scheduling of revisions as well as coordination and supervision of contractors. As a matter of course we supply maintenance documentation in form of reports and spare part recommendations, and we coordinate our schedules according to your requirements. 
5) Training
Operation, maintenance and repair, electric measuring and control equipment or process engineering - we offer  you specific training by our experts. Whether on site working with theplant itself, or on our permises, we concentrate on your questions and problems. 

Our industry users:

1. Food packaging, such as Coca-Cola,

2. Pharmaceutical industry, such as Pfizer,

3, the electronics industry, such as Samsung mobile phones

4. Metal Heat Treatment Industry, Shougang Group

5, cable industry, such as Panda cable

6. Petrochemical industry, such as Shengli Oilfield,

In addition, nitrogen is used in many industries, and 3D printing is a new industry. We are willing to provide our professional nitrogen equipment to customers all over the world. To provide customers with better solutions.