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Problems in wire and cable cooking

Hits: 3891000 2020-03-30

Only silane crosslinked cables need cooking, so as to promote the crosslinking between molecules of insulating materials and make the linear structure become a net
Form structure. Other processes do not require cooking.
The wire is composed of one or several soft wires, which are covered with a light and soft protective layer; the cable is insulated by one or several wires
It consists of wires, and then it is covered with a tough outer layer made of metal or rubber. Cables and wires are generally covered by cores and insulation
The skin and the protective skin are composed of three parts.
Crosslinked cable usually refers to that the insulation layer of cable is made of crosslinked material. The most commonly used material is XLPE,
The process is to form a three-dimensional network of polyethylene (PE) materials with linear molecular structure through specific processing methods
Crosslinked polyethylene with split structure. The long-term allowable working temperature is increased from 70 ℃ to 90 ℃ (or higher), and the short-circuit is allowed
The allowable temperature is increased from 140 ℃ to 250 ℃ (or higher), and the original excellent electrical performance is maintained
The practical performance is improved.
There are three types of cross-linked cable production processes in cable manufacturing industry: peroxide chemical cross-linking (including saturated steam cross-linking and inerting
Gas crosslinking, molten salt crosslinking, silicone oil crosslinking), silane chemical crosslinking and irradiation crosslinking, all of which include mixing
The three processes of refining, extrusion and vulcanization are essential for the steam demand in the cable manufacturing process, and they are multi temperature
Control is also very strict.
In the process of producing the cable, the cable steam generator is used to fulfill the steam and temperature requirements. It is well known that the
In the process of cable extrusion, if the temperature is too high, it is easy to scorch, if the temperature is too low, it is not easy to gelatinize. In the process of vulcanization, the temperature is too low
It is easy to produce bubbles and pores when the temperature is too high. And the temperature and pressure requirements of each process are different, so
The control of temperature and pressure should be precise and adjustable!
At that time, when selecting the steam generator, the power of the cable steam generator can be adjusted in multiple gears to control the amount of steam
Size, and temperature and pressure can be adjusted, constant, stable. This feature can not only satisfy their electricity
Requirements of cable production line, and continuous gas production, no need to apply for inspection, no need to be supervised, with features of tail gas recovery device,
It also saves them a lot of costs.
How to build the steam room of steam cable?
With the development of energy conservation and environmental protection, the emergence of new electric steam generator equipment caters to the market
Exhibition needs. Nowadays, the steam generator supporting the steam cable process has become an indispensable good helper in the cable industry.
In the process of cable steaming, if the temperature is too high, it is easy to cause scorch, if the temperature is too low, it is not easy to gelatinize; if the temperature is too low, it is easy to generate gas
Bubble, too high temperature will appear pores. And each process requires different temperature and pressure, so the
Temperature and pressure control shall be adjustable and accurate. The temperature and power of the steam generator can be adjusted to precisely control the steam
High quality cable is produced according to the environmental requirements of cable.
So how to build the steam room of steam cable? Dig a cellar, build a steam room or simply cover it with oilcloth
Steam cable space can be built with a steam production equipment. Now there are many manufacturers of steam cable
In the process, steam generator is used to meet the temperature and humidity requirements, and there are not a few enterprises that are improving. very
Many cable factories use heating pipes to heat hot water to cook cables, but the effect is not ideal, and the power consumption is large and easy to damage,
However, the efficiency of steam generator with steam room and steam cable is greatly improved.
The high temperature steam is used in the steam generator of the steam cable to promote the cross-linking between the molecules of the insulating materials, so that the linear structure becomes a network structure,
When steam crosslinking is used, the temperature of two-step silane crosslinking material is generally 110-130 ℃. 8 to 12 hours pass. Coarser cable temperature
The lower the degree, the longer the time. Buy the steam generator with steam cable, please identify norbeth! The company has an experienced and technical team
Excellent team, focusing on the production and R & D of electric steam generator, in the steam generator and electric steam generator
It is in the leading position in the industry of accessories. The company is determined to provide high-quality products for the majority of small and medium-sized enterprises.
Enter the cable factory to explore the process flow of cable production with steam generator cable steamer
In the process, the cable process is mainly to generate steam from the steam generator, and then pass it into the cable steamer for steam curing. Steaming cable
In the process, the core technology is temperature control.
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