Filter net and preparation method thereof
A filter and fiber bonding technology, applied in the field of filter, can solve the problems of environmental pollution, non-degradable, high production cost, etc., and achieve the effect of easy degradation, low production cost and uniform density
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[0013] see figure 1 , the preparation method of filter screen of the present invention, take the plant fiber of crimp as main raw material, and comprise the following steps:
[0014] S10. Combing the raw material containing plant fibers to obtain loose fibers;
[0015] S20, laying the fibers to a predetermined thickness;
[0016] S30 , performing multiple needle-punching in a manner of alternately performing needle punching from top to bottom and punching from bottom to top or punching from bottom to top and punching alternately from top to bottom to obtain the filter net.
[0017] In order to make the obtained filter net stronger, preferably, the number of needle punching passes in the step S30 is 4-6 passes.
[0018] In order to make the filter net made stronger, and each part is more uniform, preferably, when needling in the step S30, from the first pass to the last pass at 1500-4000 needles / m 2 Within the range, needles are arranged according to the density of needles f...
Embodiment 1
[0030] The preparation method of the filter screen of the present embodiment, take the coir palm fiber of crimp as main raw material, and may further comprise the steps:
[0031] (S110) Carding the coconut palm fiber to loosen the fiber;
[0032] (S120) laying the coconut palm fiber to a preset thickness;
[0033] (S130) Perform 4 acupuncture sessions alternately from top to bottom and from bottom to top, respectively: the first
[0034] One row, from top to bottom, the needle density is 1500 / m 2 , the diameter of the needles is 3mm; the second pass, from bottom to top, the needle density is 2500 / m 2 , the diameter of the needles is 3.2mm; the third, from top to bottom, the needle density is 3500 / m 2 , the diameter of the needles is 3.4mm; the fourth way, from the bottom to the top, the needle density is 4000 / m 2 , the diameter of the needle is 3.5mm, the thickness is 0.5cm and the density is 100g / m 2 air filter suitable for air conditioners.
[0035] Step (S110) carding...
Embodiment 2
[0037] The preparation method of the filter net of the present embodiment, take the bamboo fiber of crimp as main raw material, and comprises the following steps:
[0038] (S210) carding the bamboo fibers to loosen the fibers;
[0039] (S220) Laying the bamboo fiber to a preset thickness;
[0040] (S230) Perform 6 acupuncture sessions alternately from top to bottom and from bottom to top, respectively: the first
[0041] One row, from top to bottom, the needle density is 1500 / m 2 , the diameter of the needles is 3mm; the second pass, from bottom to top, the needle density is 2000 / m 2 , the diameter of the needles is 3.1mm; the third way, from top to bottom, the needle density is 2500 / m 2 , the diameter of the needles is 3.2mm; the fourth way, from the bottom to the top, the needle density is 3000 / m 2 , the diameter of the needles is 3.3mm; the fifth way, from top to bottom, the needle density is 3500 / m 2 , the diameter of the needles is 3.4mm; the sixth way, from the bott...
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Abstract
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