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Working principle of plasma generator

Working principle of plasma generator

Plasma generator is used to produce high temperature plasma arc device, mainly composed of anode, cathode and coil components. The anode and cathode components include two electrodes, anode and cathode, which are used to form an arc. A stable large current (280 ~ 350A) is added between the two electrodes. When the cathode advances and contacts the anode, the cathode moves away from the anode to pull arc discharge, and the compressed air between the electrodes is ionized to form a high-temperature plasma. Tubular type plasma spray gun (parallel flow type plasma spray gun) is spun with tangential air into the heater chamber, air heater in high speed rotation, with the radial pressure gradient forward flow of air, the air flow to control the arc heater near the central axis, and stretched, forward movement of the airflow direction consistent with the axis of the arc, and basic parallel to each other, therefore, airflow by electric arc heating time is longer, due to the increase of arc length and arc voltage also increased significantly, under the condition of the same power, arc current reduced accordingly, so as to improve the service life of the electrode.

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Wide - width plasma cleaning machine manufacturer

Wide - width plasma cleaning machine manufacturer

Low temperature wide width plasma cleaning machine, low temperature wide width plasma technology is almost suitable for all kinds of industrial applications, can provide different materials or composite materials with subsequent bonding, coating, pre-printing treatment, so that two different materials are effective and reliable together. Low temperature wide width plasma cleaning machine packaging industry: specializing in UV OPP PP PET gold and silver card polishing, plastic coated paper boxes or cartons before the surface treatment, after the low temperature wide width plasma machine treatment, can increase the fastness of the paste box, get rid of the trouble of glue. And can reduce the use of glue, effectively reduce the cost.   Low temperature wide width plasma cleaning machine printing and code jet industry: plastic glass metal composite surface screen printing, pre-processing low temperature wide width plasma cleaning machine, can improve the material surface of ink adsorption, penetration. IC card label, daily chemical containers. Plasma pretreatment before wire spraying code, improve ink adsorption. Low temperature wide width plasma cleaning machine plastic industry: plastic and rubber, metal, glass and other bonding pretreatment, can improve the surface bonding performance.

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Industry applications of plasma processors

Industry applications of plasma processors

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Plasma cleaning machine before flocking of sealing strip for vehicle

Plasma cleaning machine before flocking of sealing strip for vehicle

The plasma surface treatment system of sealing strip is composed of jet atmospheric plasma treatment host machine, transfer mechanism, speed ratio and control unit. It is mainly used for code spraying of PE and silicone rubber cable, pre-flocking treatment of rubber sealing strip, which can improve the binding force of printing ink and flocking layer and improve product quality. Plasma surface treatment system is an on-line treatment equipment, it can be fast and continuous material surface modification treatment, is a fast, efficient, environmental protection, energy saving green surface treatment process.    Plasma cleaning machine working principle: the plasma generator is activated in the nozzle tube to produce high voltage high frequency energy and control result in the low temperature plasma glow discharge, with the aid of compressed air plasma spray to the workpiece surface, when the plasma treated surfaces meet, the chemical and physical changes that got a clean surface, in addition to the hydrocarbon contaminants, such as grease, auxiliary additives, according to the material composition, surface its molecular chain structure has been changed. Free groups, such as hydroxyl group and carboxyl group, have been established, which can promote the adhesion of various coated materials, and have been optimized in adhesion and paint application. With the same effect, a very thin high tension coating surface can be obtained by plasma treatment. The plasma flow ejected is neutral and electrified, and will not damage or Pierce the cable insulation layer (the treatment layer only involves the material surface 10-1000A); After plasma treatment, the surface performance is stable for a long time; Dry treatment method has no pollution, no waste water, and meets the requirements of environmental protection; Can run on line to reduce cost; Each plasma nozzle speed protection control point can be set freely to prevent cable damage caused by low speed or shutdown for too long processing time; It has two modes of manual and automatic control, as well as the function of low wind pressure protection; The built-in fan can discharge waste gas and is beneficial to clean working environment.

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Plasma surface treatment equipment treatment system

Plasma surface treatment equipment treatment system

Plasma surface treatment equipment system belongs to a way of material surface activation, it has the characteristics of high efficiency, accurate processing result in place, easy integration used in all kinds of production line and production environment, energy conservation, environmental protection, save space and low cost operation of many advantages, so what is the role of plasma surface treatment system? First, plasma surface treatment system mainly using atmospheric pressure plasma technology, used for surface activation and clean, it replaces the traditional way of solvent, effectively avoid the influence and damage to the environment, is a kind of suitable for the new way of sustainable development, is also encouraging adopted an advanced technology in our country at present. Second, atmospheric pressure plasma is often effective application in the pretreatment process of all kinds of composite materials, as a result of the composite materials with different thermal conductivity as well as the conductive effect, so the traditional way to it is difficult to handle and more complex, use of atmospheric pressure plasma processing technology to produce low temperature plasma flame, no negative impact to the composite material, so it is very obvious advanced technological advantages. Finally, the core role of plasma surface treatment system is used to change the surface state of material, we in the use of plasma surface treatment system to operate, in investment of equipment cost saving, and it can produce effect is obvious, plasma surface treatment system can be used in a variety of surface treatment requirements, by changing the material's surface properties to achieve the purpose of further use. The plasma surface treatment system is a kind of treatment equipment based on advanced science and technology, which has been well received by the majority of customers in the process of being put on the market. Sing Fung Intelligent  Manufacturing series products, using today's advanced technology at home and abroad, imported brand-name electronic components, raw materials manufacturing, has formed more than 10 series, more than 100 specifications, a complete variety of standardized series products. Large non - standard products are realized PLC, industrial control network control, touch screen display.

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Low temperature plasma equipment is widely use

Low temperature plasma equipment is widely use

The plasma technology is simple, the adsorption method should consider the regular replacement of adsorbent, desorption may cause secondary pollution; Combustion requires very high operating temperatures; In the combined catalysis method, the catalyst is selective, some conditions (such as too high temperature) will cause the catalyst deactivation, photocatalysis can only use ultraviolet light, etc. The biological method must strictly control the pH value, temperature and humidity and other conditions, in order to suit the growth of microorganisms. However, the low-temperature plasma technology can better overcome the shortcomings of the above technologies. The reaction conditions are normal temperature and pressure, the reactor structure is simple, and the mixed pollutants can be eliminated at the same time (some cases have synergistic effects), and secondary pollution will not be generated, etc. In terms of economic feasibility, low temperature plasma reaction device itself to a single compact system structure, in terms of operating cost, microscopic, due to the discharge process improve the electron temperature and ion temperature only basic remains the same, this reaction system is to keep the low temperature, so not only high energy utilization, and make the equipment maintenance cost is low. Low temperature plasma technology has a wide range of applications, and gas velocity and concentration are two very important factors for the application of gas pollutant treatment technology. Biofiltration and combustion can be applied in high concentrations but are limited by the flow rate of the gas. Electron beam irradiation technology has only a very narrow range of gas velocity. Low temperature plasma technology has a wide range of applications for gas velocity and concentration, and its wide application is self-evident. Low temperature plasma technology has significant advantages in the treatment of gaseous pollutants. The basic principle is to produce high-energy electrons under the acceleration of electric field. When the average energy of electrons exceeds the chemical bond energy of the target molecule, the molecular bond will break, so as to eliminate gaseous pollutants. In the 1980s, the high-voltage pulsed corona discharge method proposed by Professor S. Masuda of The University of Tokyo in Japan is a simple and effective method to obtain low-temperature plasma at room temperature and pressure. It has become the current research frontier and is being used more and more in the treatment of gaseous pollutants. Mechanism of pollutant removal by low-temperature plasma: In the process of plasma chemical reaction, the energy transfer in the reaction process of plasma chemical energy is roughly as follows: (1) Electric field + electron → high energy electron (2) High-energy electron + molecule (or atom)→(excited atom, excited group, free group) active group (3) Active group + molecule (atom)→ products + heat (4) Active group + active group → products + heat As can be seen from the above process, electrons first obtain energy from electric field, and transfer energy to molecules or atoms by excitation or ionization. Molecules or atoms that obtain energy are excited, while some molecules are ionized, thus becoming active groups. After that, the stable products and heat are generated after the collision between these active groups and molecules or atoms or between the active groups and the active groups. In addition, high-energy electrons can be captured by substances with strong electron affinity such as halogens and oxygen and become negative ions. This kind of anion has good chemical activity and plays an important role in chemical reaction. Principle of removal of pollutants by low-temperature plasma equipment: Low temperature plasma technology to deal with the principle of pollutant is: under the action of applied electric field, the discharge of a large number of medium and electron bombardment of pollutants, and the ionization and dissociation and excitation, and then raises a series of complicated physical and chemical reaction, make complicated molecules pollutants into simple small molecule safe material, or make the poisonous and harmful substances into harmless non-toxic or low toxic less harmful material, hence leading to the degradation of pollutants removal. Since the average energy of electrons generated after ionization is at 10eV, the reaction conditions can be properly controlled to realize the chemical reactions that are difficult to realize or slow in general conditions and become very fast. As a new and high technology with potential advantages in the field of environmental pollution treatment, plasma has been highly concerned by the related disciplines at home and abroad. Low-temperature plasma equipment can be used in the electronic industry, such as mobile phone case printing, coating, dispensing and other pre-treatment, mob

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