A research team in Australia said that they have found an effective way to kill the crown spines that are destroying coral reefs in the Pacific Ocean and the Indian Ocean.
Studies at the Coral Reef Research Centre at James Cook University in Queensland, Australia have shown that over the past 27 years, reef coverage in the Great Barrier Reef has disappeared by more than half, and 82% of it is associated with the explosion of toxic and spiny starfish. Swallow the corals.
Australian researchers said that a method has been invented to make such starfish infected with a bacterium that can kill them within 24 hours. And this bacteria can spread to close or contact with other species like the carrier starfish.
Next they will begin testing to see if this approach is safe for marine life, especially fish. The center professor Plantch said: "When studying a biological control method, you must be very careful to limit the target to the species you need to ensure that it does not harm other species or the environment."
If the new method is determined to be safe, it is only necessary to poke every starfish to send the bacteria to the starfish. Once a diver launches water, he can kill as many as 500 starfish.
Spinneret For Non-woven Production Line
In spinning, the spinning solution or melt passes through these micropores and is squeezed into the coagulation bath or air in a fine flow state, that is, it solidifies or cools to become fibers. The spinneret assembly is composed of spinneret, distribution plate and filter material. The distribution plate evenly disperses the glue liquid or melt into many small holes.
300mm Meltblown Spinneret for Meltblown Medical Mask Nonwoven Fabric Producing
Melt-blown spinning is to blow a molten polymer through a high-temperature high-speed gas to refine the polymer into a filament to form a nonwoven fabric.
1. Stainless steel wear resistant and corrosion resistant.
2. Hole number encryption, more output, energy efficient.
3. L/D( Length to diameter ratio) of 1:15, not easy to deform and long service life, reducing replacement costs
4. Automated machining center production, spinneret detail is perfect.
5. Innovative static mixer design for more uniform discharge.
1) :Meltblown Die Head Can be Customized within 100-3200mm
2):Hole size Can be produced ≥0.06mm(0.0024 inch)
3):Tolerance: ±0.002(0.000078inch)
Optimized design, hole number encryption, high output, reduced production costs
The number of holes per spinneret is 13% less than jier. Less of holes, then less of yield.
High-performance Brand Compressor; Mature Technology, Stable performance; Wide Range of Use, Long Service LIfe
L/D ratio (small hole length): Common 1:10, Our Company 1:15, our length is 50% longer than common spinneret, the top of the spinneret is strengthened, not easy to deform, ordinary hardness HRC (25-28° ),jier hardness HRC (34-38 °) has a longer service life.
Use CNC high-speed machining centers , the verticality and straightness are good.
Common spinneret use 'Electric spark punching and manual drilling'. Shortcoming: The hole is not straight, multi-slanted hole, hole wall is not smooth, the verticality and straightness are not good. Our company uses CNC high-speed machining center processing, the holes of our product without slanting holes, verticality and straightness is very good, There will be no serious phenomenon of "spot" floating wire caused by merged wire and broken wire.
(Fig. 3-1) is the product straightness of the jier company under the Nikon projector, (Fig. 3-2) is the straightness of the artificial drilling straightness under the same projector.
New baffle design, uniform output, perfect product quality
Due to the structural factors of the conventional spinneret, there is often uneven discharge. Our company adds static mixing deflector to the melt chamber channel for the defects of the spinneret., so that the melt is evenly mixed in all parts of the chamber while the air duct structure data is improved. Make the quality of the products more perfect.
1. Encrypted holes, more output
2. 1:15 aspect ratio, making strength and hardness higher, not easy to deform
3. CNC high-speed machining center processing, the hole wall is smoother and more refined.
4.Innovative design of the deflector, more uniform discharge, better quality silk.
5.Available in a variety of materials, any detail can be customized, meet your needs
Changzhou JIER precision machinery manufacturing Co., Ltd is specializing in the production of various kinds of spray wire plate.We have introduced comprehensive domestic and foreign advanced spray wire plate. For years, through the production process ,technology process and high precision machining testing equipment continuously and automatically innovation and training, together with all staff meticulous work attitude, our spinneret manufacturing level completely meet your requirements of stringent quality of products .
Packing Details : Packing, cardboard box or wooden case
Delivery Details : 30 working days
Q: Are you trading company or manufacturer ?
A: We are factory. And we can supply spinning packs according to your requirements.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for extra charge and do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance after the goods have been manufactured. We will arrange the shipment after your payment.
If you have another question, please feel free to contact us.
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Changzhou Jier Precision Machinery Manufacturing Co., Ltd. , https://www.jier-spinneret.com
