Introduction:
The melt blown method is one of polymer web
forming methods. Through the extrusion of the screw extruder and the extreme
stretching of high speed, high temperature or other method, the PP form very
thin fiber, then it assembled to web forming machine, finally the PP become the
melt blown fabric after cohesion.
1. Raw material: Polypropylene
chip, MFI=900 ~ 1500
2. Product weight: 10 ~200g/㎡
3. Width of product:1600mm﹑2400mm﹑3200mm.
4. Production rate: 10 ~100m/min
5. Fiber fineness: 2 ~ 5μm
6. Total power capacity:800 ~ 1200KW
Main parts:
1. Extruder
Function: the polypropylene chip is
extruded as melt
2. Melt Measuring Pump
Function: measure accurately, control the
output and fineness of the fiber, and continuously and evenly deliver the melt
to the Spinneret plate.
3.
Screen Changer
Function: filtering the impurities in the
melt, avoiding clogging of Spinneret plate
4. Die and Spinneret Plate:
This part is the core of the melt-blown
production line. The uniformity and stability of the output of die plays a decisive
role of quality of the melt-blown fabric.
5. Winding Machine:
Function: wrapping the melt-blown fabric in
rolls.
Advantage:
1. Short technical process, high
production efficiency.
2. Thin fiber, uniform web
surface, soft feel.
3. The melt-blown fabric has
salient advantage of filtering, antisepsis, and adsorption.
Application:
The melt-blown
fabric is widely applied to filtration material, padding material, medicine
material and wiping materials.
Medicine material: surgical gown﹑protective clothing﹑face masks﹑operating cap﹑operating gauze, etc.
Singlerow Meltblown Production Line, Meltblown Lines With One Die, Meltblown Fabric Production Line, Melt-blown Nonwoven Machine Yangzhou Yuyang Nonwoven Machinery Co., Ltd , https://www.yy-machinery.com
The general lighting is usually evenly arranged on the work site above or on the side wall, lighting the entire work surface, the need to use more powerful metal halide lamp, sodium lamp, electrodeless lamp or a large number of fluorescent lamps, of course, there is more energy-efficient high-power LED mining lamp, etc., most of the mining lights are such. General lighting has higher requirements on the distribution of light, and two types of light distributions, direct illumination and semi-direct illumination, are widely used, especially the latter. Some of the semi-direct lighting types emit light upwards to illuminate the ceiling, which increases the ceiling brightness and creates a more comfortable and brighter environment.
LED explosion-proof lamp is a kind of explosion-proof lamp. Its principle is the same as that of explosion-proof lamp, except that the light source is an LED light source. It refers to various specifics adopted to prevent ignition of surrounding explosive mixtures such as explosive gas environment, explosive dust environment, gas gas, etc. Measure lamps. One of the most important explosion-proof principles of LED explosion-proof lighting fixtures is to limit the temperature of the surface of the enclosure that contacts the explosive gas, explosive dust, the surface of components or electronic components, and to limit the temperature of the electrical contact surface below its minimum ignition temperature or ignition temperature. . 
The shell is made of aluminum alloy die-casting and the surface is electrostatically sprayed with high pressure;
Tempered glass lampshade, protective net cover is galvanized, sprayed on the surface and double-preserved;
The flameproof lamp adopts explosion-proof structure design. The material is high-strength die-cast aluminum. The surface of the lamp is spray-coated. The transparent cover is made of high-strength tempered glass. It is corrosion-resistant, beautiful and durable. 
Development and use of LED explosion-proof mining lamp
Industrial and mining lamps are lamps used in production areas of factories and mines. In addition to the various lighting lamps used in the normal environment, mining and mining lamps also have explosion-proof lights and anti-corrosion lamps used in special environments, and mining lamps are used in some large high-rise buildings.