Electrostatic filter cotton
Technical Field
The utility model relates to the technical field of electrostatic filter cotton, in particular to electrostatic filter cotton.
Background
Electrostatic filter cotton is a filter material that removes fine particulate matter from air by electrostatic adsorption.
The Chinese patent CN220071011U discloses a composite electrostatic filter cotton, which comprises a composite filter layer, wherein the composite filter layer comprises filter cotton, binding layers for shaping are arranged on the front surface and the back surface of the filter cotton, a gauze layer for fixing the surface is arranged on one side surface of the binding layers away from the filter cotton, and a limiting strip for wrapping is arranged on the side surface of the composite filter layer. According to the utility model, the binding layer, the gauze layer, the limiting strips and the melt-pressing strips are matched on the filter cotton, so that the binding layer and the gauze layer are used for primarily fixing and shaping the filter surface of the filter cotton, the melt-pressing strips are used for secondarily shaping the filter cotton to prevent the binding layer and the gauze layer from misplacement, and finally the limiting strips are used for positioning and edge-sealing the side edges of the filter cotton, thereby preventing the problem that the adhesive effect between the filter cotton and other material layers is easy to lose efficacy or weaken after a long time, so that the filter cotton and other material layers lose adhesion and loose, and the problem of reduced and weakened filter effect is caused.
However, although the above-mentioned filter cotton can promote static filter effect, the filter cotton surface structure is comparatively loose, and when the dust in the filtered air, great granule can directly get into the filter cotton inside, when the wind speed is great or the dust accumulation is more, takes place to drop easily and causes secondary pollution.
Disclosure of utility model
The utility model provides electrostatic filter cotton for solving the problems in the background technology.
In order to achieve the above purpose, the utility model provides the technical scheme that the static filter cotton comprises a filter cotton body, wherein the upper surface of the filter cotton body is fixedly connected with the lower surface of a polypropylene fiber upper layer, the lower surface of the filter cotton body is fixedly connected with the upper surface of a polypropylene fiber lower layer, one side, far away from the filter cotton body, of the surface of the polypropylene fiber upper layer is fixedly connected with the lower surface of a hot melt adhesive silk layer, one side, far away from the polypropylene fiber upper layer, of the hot melt adhesive silk layer is fixedly connected with the lower surface of a composite filter layer, one side, far away from the hot melt adhesive silk layer, of the surface of the composite filter layer is fixedly connected with the lower surface of a waterproof breathable film layer, one side, far away from the filter cotton body, of the surface of a polypropylene fiber lower layer is fixedly connected with the upper surface of an antistatic fiber filter cloth, one side, far away from the surface of the antistatic fiber filter cloth is fixedly connected with the upper surface of a non-woven fabric layer, and one side, far away from the antistatic fiber filter cloth is fixedly connected with the upper surface of an active carbon fiber layer.
Furthermore, the surface of the waterproof breathable film layer is provided with a needled filtering hole, and the needled filtering hole penetrates through the waterproof breathable film layer, the composite filtering layer, the hot melt adhesive silk layer and the polypropylene fiber upper layer and extends to the inside of the filter cotton body.
Further, the surface of the waterproof breathable film layer and one side far away from the composite filter layer are fixedly connected with the lower surface of the melt-extrusion strip, and limiting strips are fixedly arranged on the front side and the rear side of the waterproof breathable film layer.
Further, the surface of the activated carbon fiber layer and one side far away from the non-woven fabric layer are fixedly connected with the upper surface of the nanofiber layer.
Further, the surface of the nanofiber layer and one side far away from the activated carbon fiber layer are fixedly connected with the upper surface of the binding layer.
Further, the front surface of the polypropylene fiber lower layer and the antistatic fiber filter cloth is fixedly provided with a marking area.
Compared with the prior art, the utility model provides the electrostatic filter cotton, which has the following beneficial effects:
The static filter cotton comprises a polypropylene fiber upper layer, a polypropylene fiber lower layer, a hot melt adhesive silk layer, a waterproof breathable film layer, an active carbon fiber layer, a nanofiber layer and a marking area, wherein the polypropylene fiber upper layer, the polypropylene fiber lower layer and the active carbon fiber layer can play a role in filtering air, the active carbon fiber layer is made of active carbon viscose fibers, the active carbon fiber layer made of the active carbon viscose fibers can play a role in filtering air, in addition, the active carbon viscose fibers can effectively prevent active carbon particles from falling off, the filtering effect of the static filter cotton can be prolonged, the hot melt adhesive silk layer can enable dust to be accumulated on one surface covered by the hot melt adhesive silk while the filtering effect of the static filter cotton is maintained, particles in external air are directly intercepted on the surface when contacting the surface to form a filter cake, the interception efficiency of dust is further improved, the permeability of the dust is reduced, the breathable film layer is a high molecular compound formed by polymerizing tetrafluoroethylene, the waterproof breathable film layer can prevent the waterproof breathable film from penetrating through the waterproof film layer, and the waterproof film layer can face towards the surface of a finished product, and the static filter cotton can be printed on the surface, and the surface of the static filter cotton can be rolled up, and the static filter cotton can be finally packaged, and the static filter cotton can be prevented from rolling up, and the static filter film can be printed on the surface.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
fig. 3 is a schematic cross-sectional enlarged structure of the present utility model.
The filter cotton comprises a filter cotton body, a polypropylene fiber upper layer, a polypropylene fiber lower layer, a hot melt adhesive silk layer, a composite filter layer, a waterproof and breathable film layer, a needled filter hole, a fusion pressing bar, a 205, a limiting bar, a 3, antistatic fiber filter cloth, a 301, a non-woven fabric layer, a 302, an active carbon fiber layer, a 303, a nanofiber layer, a 304, a binding layer and a 4, wherein the filter cotton body is provided with the filter cotton body, the polypropylene fiber upper layer, the polypropylene fiber lower layer, the hot melt adhesive silk layer, the 201, the composite filter layer, the 202, the waterproof and breathable film layer, the 203, the needled filter hole, the 204, the fusion pressing bar, the 205 and the limiting bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model discloses an electrostatic filter cotton, which comprises a filter cotton body 1, wherein the upper surface of the filter cotton body 1 is fixedly connected with the lower surface of a polypropylene fiber upper layer 101, the lower surface of the filter cotton body 1 is fixedly connected with the upper surface of a polypropylene fiber lower layer 102, one side, far from the filter cotton body 1, of the surface of the polypropylene fiber upper layer 101 is fixedly connected with the lower surface of a hot melt adhesive silk layer 2, one side, far from the polypropylene fiber upper layer 101, of the hot melt adhesive silk layer 2 is fixedly connected with the lower surface of a composite filter layer 201, one side, far from the hot melt adhesive silk layer 2, of the composite filter layer 201 is fixedly connected with the lower surface of a waterproof breathable film layer 202, one side, far from the filter cotton body 1, of the surface of the polypropylene fiber lower layer 102 is fixedly connected with the upper surface of an antistatic fiber filter cloth 3, one side, far from the polypropylene fiber lower layer 102 is fixedly connected with the upper surface of a non-woven fabric layer 301, and one side, far from the antistatic fiber filter cloth 3 is fixedly connected with the upper surface of an active carbon filter cloth 302.
Specifically, the surface of the waterproof and breathable film layer 202 is provided with a needled filtering hole 203, and the needled filtering hole 203 penetrates through the waterproof and breathable film layer 202, the composite filtering layer 201, the hot melt adhesive filament layer 2 and the polypropylene fiber upper layer 101 and extends to the inside of the filter cotton body 1.
In this embodiment, through setting up waterproof ventilated membrane layer 202 and acupuncture filtration pore 203, waterproof ventilated membrane layer 202 is the macromolecular compound that is formed by tetrafluoroethylene through the polymerization, and waterproof ventilated membrane layer 202 can prevent moisture infiltration to play waterproof effect, acupuncture filtration pore 203 can increase the area of attachment on waterproof ventilated membrane layer 202, and then strengthen the filter effect, has stronger practicality, has facilitated the user to use.
Specifically, the surface of the waterproof and breathable film layer 202 and the side far away from the composite filtering layer 201 are fixedly connected with the lower surface of the melt-down strip 204, and limiting strips 205 are fixedly arranged on the front side and the rear side of the waterproof and breathable film layer 202.
In this embodiment, through setting up melt layering 204 and restriction strip 205, carry out the secondary design through melt layering 204 to filter cotton body 1 and also prevent to tie up layer 304 dislocation, fix a position and banding through the side of restriction strip 205 to filter cotton body 1 at last, and then prevent that the bonding effect between filter cotton body 1 and other material layers from ineffectively or weakening easily after a long time for take place between filter cotton body 1 and other material layers to lose adhesion and loosen, take place the problem that the filter effect reduces and weakens, have stronger practicality, facilitated the user use.
Specifically, the surface of the activated carbon fiber layer 302 and the side far away from the non-woven fabric layer 301 are fixedly connected with the upper surface of the nanofiber layer 303.
In this embodiment, by providing the activated carbon fiber layer 302 and the nanofiber layer 303, the activated carbon fiber layer 302 is made of activated carbon viscose fiber, and the activated carbon fiber layer 302 made of activated carbon viscose fiber can play a role in filtering gas, and in addition, the activated carbon viscose fiber can effectively avoid the falling of activated carbon particles, so that the filtering effect of electrostatic filter cotton can be prolonged, and the nanofiber layer 303 can play a role in resisting bacteria.
Specifically, the surface of the nanofiber layer 303 and the side far away from the activated carbon fiber layer 302 are fixedly connected with the upper surface of the binding layer 304.
In this embodiment, through setting up constraint layer 304, can prevent the membrane layer position of being wrong, improve the life of filter pulp, have stronger practicality, convenient to use.
Specifically, the front surface of the polypropylene fiber lower layer 102 and the antistatic fiber filter cloth 3 is fixedly provided with a marking area 4.
In the embodiment, the marking area 4 is provided with a prompt slogan, such as the face is upward or downward, and the electrostatic filter cotton is subjected to shaping treatment, inspection, slitting, trimming, rolling and finally packaging to obtain a finished product.
When the waterproof and breathable label is used, the polypropylene fiber upper layer 101, the polypropylene fiber lower layer 102, the hot melt adhesive filament layer 2, the waterproof and breathable membrane layer 202, the activated carbon fiber layer 302, the nanofiber layer 303 and the label area 4 are arranged, the polypropylene fiber upper layer 101, the polypropylene fiber lower layer 102 and the activated carbon fiber layer 302 can play a role in filtering air, wherein the activated carbon fiber layer 302 is made of activated carbon viscose fibers, the activated carbon fiber layer 302 made of the activated carbon viscose fibers can play a role in filtering air, in addition, the activated carbon viscose fibers can effectively prevent the activated carbon particles from falling off, so that the filtering effect of static filter cotton can be prolonged, the hot melt adhesive filament layer 2 can accumulate on one surface covered by the hot melt adhesive filament while the filtering effect of the static filter cotton is maintained, particles in the outside air can be directly intercepted on the surface by larger particle sizes or fibrous pollutants, the efficiency of the dust is further improved, the waterproof and breathable membrane layer 202 is made of tetrafluoroethylene and the waterproof and breathable membrane layer 202 can face to the label area, and the label area can be printed and formed by the waterproof and breathable label is prevented from being printed on the label area, such as the waterproof and breathable label is printed on the label area 4.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.