CN107537223A - A kind of method that high temperature resistant filter cloth is manufactured using mineral fibres - Google Patents
A kind of method that high temperature resistant filter cloth is manufactured using mineral fibres Download PDFInfo
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- CN107537223A CN107537223A CN201610479990.0A CN201610479990A CN107537223A CN 107537223 A CN107537223 A CN 107537223A CN 201610479990 A CN201610479990 A CN 201610479990A CN 107537223 A CN107537223 A CN 107537223A
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Abstract
The invention discloses a kind of method that high temperature resistant filter cloth is manufactured using mineral fibres, it is characterised in that：The filter cloth is made up of double-layer structure, i.e.,:Base cloth layer and filter layer, the base cloth layer of the filter cloth do the woven web frame of longitude and latitude intertexture for chemical fibre monofilament；Its filter layer is the nonwoven fabric construct being molded by short basalt fiber through acupuncture；Then, short basalt fiber layer surface is subjected to calendering processing.The present invention not only there is excellent resistance to elevated temperatures, moreover, solve in the past single Woven filter cloth filter efficiency is not high, be easily deformed and single nonwoven filtration cloth insufficient strength, be easy to breakage contradiction and problem.
Description
Technical field
The present invention relates to a kind of filter cloth, is a kind of method that high temperature resistant filter cloth is manufactured using mineral fibres specifically.
Background technology
At present, industrial nonwoven filtration cloth is widely used in the filter progress of the working condition of the industry high temperature hostile such as smelting, chemical industry, building materials, thermoelectricity, waste incinerator, coal-burning boiler, one deficiency of these filter cloth generally existings is can not to bear to filter the hot environment in production process, causes the service life of filter cloth of short duration and production cost rises.
The content of the invention
Based on above-mentioned technical problem, it is desirable to provide a kind of filter cloth, this filter cloth had both had the sturdy and durable performance of Woven filter cloth, the efficient filter effect with the performance that can be resistant to high temperature and nonwoven acupuncture filter cloth；This filter cloth should integrate all advantages of Woven filter cloth and nonwoven acupuncture filter cloth, and abandon the shortcomings that their own institute is intrinsic.To achieve the above object, the invention provides High-temperature resistant fibre non-woven filter cloth a kind of being manufactured using mineral fibres and using monofilament woven net as base fabric.
The present invention to achieve the above object, is achieved through the following technical solutions：The filter cloth is made up of double-layer structure, i.e.,:Base cloth layer and filter layer, the base cloth layer of the filter cloth do the woven web frame of longitude and latitude intertexture for chemical fibre monofilament；Its filter layer is the nonwoven fabric construct being molded by short basalt fiber through acupuncture.
Wherein, the woven net as base cloth layer is the woven net institutional framework that longitude and latitude interweaves, and its warp thread and weft yarn are the chemical fibre polypropylene fibre and/or nylon monofilament fiber of monofilament structure.Fibrous raw material as the non-woven fabrics of filter layer for inorganic short basalt fiber and is the nonwoven fabric construct being molded by needling process and equipment acupuncture.Described base cloth layer and filter layer are combined as a whole structure by needling process and equipment again, then, the surface of the filter layer carries out calendering processing again, makes its surface smooth and smooth.
As can be seen here, according in the above-mentioned technical proposal of the present invention, the nonwoven acupuncture filter layer that described inorganic short basalt fiber is formed carries filtering function, and, inorganic basalt fibre is mineral fibres,, still can continuous normal work in the environment of 250 DEG C~700 DEG C with excellent resistance to elevated temperatures.And the woven net as base cloth layer that monfil is formed then has mechanical strength, fracture strength and the excellent elongation percentage higher than conventional woven fabric, hardly deforms.
Described is this using mineral fibres manufacture and somewhat following as the main performance of the High-temperature resistant fibre non-woven filter cloth of base fabric using monofilament woven net：
1st, high temperature resistant：Inorganic basalt fibre is mineral fibres, has excellent resistance to elevated temperatures, in the environment of 780 DEG C still can continuous normal work, and do not burn;
2nd, high mechanical strength：Fracture strength is higher than 3200Mpa;
3rd, deform small：Overall elongation percentage is less than 3%;
4th, it is corrosion-resistant：Inorganic basalt fibre is that mineral fibres has excellent environmental corrosion resisting performance；The monofilament structure fiber of chemical fibre equally has good acid-proof alkaline.
5th, porosity is high：It is minimum that the filter layer of non-woven constructions provides preferably filtering hole, filtration system operting differential pressure.
Therefore, the described this High-temperature resistant fibre non-woven filter cloth using monofilament woven net as base fabric solves conventional Woven filter cloth or nonwoven filtration cloth non-refractory, filter efficiency is not high, be easily deformed and single nonwoven filtration cloth insufficient strength, is easy to damaged contradiction and problem.Filter cloth of the present invention is compared to the filter cloth being commonly used, not only with excellent resistance to elevated temperatures, moreover, substantially increasing filter efficiency, reducing filtration system operting differential pressure.In filtration operation especially suitable for the industry worst hot case condition such as smelting, chemical industry, building materials, thermoelectricity, waste incinerator, coal-burning boiler.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will be apparent and be readily appreciated that from the following description of the accompanying drawings of embodiments, wherein：
Fig. 1 is the schematic diagram of the filter cloth of one embodiment of the present of invention；4 in figure be filter layer, and 2 in figure are base cloth layer, 3 in figure for calendering processing filter layer working faces.
Fig. 2 is the filter cloth schematic rear view of one embodiment of the present of invention；1. in figure is warp-wise, 2. in figure is broadwise.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in attached Fig. 1 and 2.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In the present invention, there is provided a kind of High-temperature resistant fibre non-woven filter cloth using monofilament woven net as base fabric, described filter cloth are made up of double-layer structure, i.e.,:Base cloth layer 2 and filter layer 4 (in accompanying drawing 1).Its base cloth layer is the warp thread of chemical fibre monofilament raw material and the woven web frame of weft yarns.The woven net base cloth layer that this longitude and latitude interweaves only serves support and the effect of reinforcement, thus the density that its longitude and latitude interweaves is small as far as possible on the premise of support and reinforcement effect is ensured.That is woven net supporting layer mesh number (unit area endoporus purpose quantity, such as:20 mesh/cm2) it is the smaller the better on the premise of support and reinforcement effect is ensured.It so can not only save raw material, can be more importantly that the filter layer of the nonwoven fabric construct of acupuncture shaping is that pricker process reserves enough acupuncture spaces when combination with its acupuncture, in order to avoid pricker pricks warp or parallel on supporting layer fabric, broken needle or the warp or parallel pricked on disconnected supporting layer fabric are caused.Because the combination of supporting layer and filter layer is that the material of the two structures is combined as a whole by needling process and equipment.By shown in the filter layer 4 in accompanying drawing 1, the filter layer middle short fiber of the nonwoven fabric construct of acupuncture shaping is in the presence of continuous needle, tangle, wind in the areal extent of whole filter cloth with the warp on supporting layer fabric or parallel, adhesion or being entangled with, the result is that the fabric of two structures of envoy fits tightly on together, and then form an entirety.
Its filter layer of described filter cloth is then the nonwoven fabric construct of acupuncture shaping.The raw material for forming filter layer is short basalt fiber, and this is a kind of mineral fibres, has excellent resistance to elevated temperatures, in the environment of 780 DEG C still can continuous normal work, and do not burn.
After base cloth layer and filter layer the two fabric tightness are combined as a whole by needling process, then with calender calendering processing is carried out to the working surface of filter layer, to obtain smooth working surface.The filter cloth manufactured in this way not only has excellent resistance to elevated temperatures, moreover, drastically increasing filter efficiency, reducing filtration system operting differential pressure.In filtration operation especially suitable for the industry worst hot case condition such as smelting, chemical industry, building materials, thermoelectricity, waste incinerator, coal-burning boiler.After the present invention is finished, examination experiment is carried out, through certification test, has obtained expected good result.
Its concrete technology step is as follows：
（1）100% short basalt fiber is chosen, fiber length ranges are：30-50mm, Denier range：It is 12.5tex standby.
（2）Using Nylon 6 Monofilament fiber as the woven woven fabric into plain weave construction of warp and weft, the fiber number of its middle longitude Nylon 6 Monofilament fiber is 150D, and the fiber number of parallel Nylon 6 Monofilament fiber is 150D, and the cross sectional shape of Nylon 6 Monofilament fiber is circle.Its thread count is equivalent to 20-40 mesh/cm2.It is standby.
（3）Above-mentioned standby short basalt fiber is placed in cotton blender machine and carries out mixed cotton.
（4）Progress shredding processing in opener is entered back into after mixed cotton.
（5）Raw material after shredding is handled again, which is sent into cotton blender machine, carries out fine mixed cotton, to obtain more fine raw material.
（6）Then the raw material after fine mixed cotton is sent into carding machine combing to reticulate.
（7）The reticular fibre after combing is inserted into the paved fibrous layer into required thickness of lapping machine again.
（8）The fibrous layer after lapping and woven meshi fabric are combined as a whole using needing machine, acupuncture is pierced in advance at twice and once main thorn, depth of needling are followed successively by：18mm, 15mm and 11mm.
（9）Then, the good short basalt fiber layer surface of acupuncture is subjected to calendering processing.Calendering working roll uses nylon smooth roll, 80 tons of theoretical pressure.200 degree of temperature.
（10）Tailored subsequently into finished product.
The foregoing is only a preferred embodiment of the present invention, not does any formal limitation to the present invention.The those of ordinary skill of all industry, can be shown in by specification accompanying drawing and described above, swimmingly implements the present invention.But all those skilled in the art, technical solution of the present invention scope is not being departed from, is being equivalent embodiment of the invention when the equivalent variations for a little variation, modification and evolution made using disclosed above technology contents；Meanwhile all variation, modification and evolution of any equivalent variations for being made to above example of substantial technological according to the present invention etc., still fall within the scope of technical scheme.
Claims (1)
- A kind of 1. method that high temperature resistant filter cloth is manufactured using mineral fibres, it is characterised in that：The filter cloth is made up of double-layer structure, i.e.,:Base cloth layer and filter layer, the base cloth layer of the filter cloth do the woven web frame of longitude and latitude intertexture for chemical fibre monofilament；Its filter layer is the nonwoven fabric construct being molded by short basalt fiber through acupuncture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479990.0A CN107537223A (en) | 2016-06-27 | 2016-06-27 | A kind of method that high temperature resistant filter cloth is manufactured using mineral fibres |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479990.0A CN107537223A (en) | 2016-06-27 | 2016-06-27 | A kind of method that high temperature resistant filter cloth is manufactured using mineral fibres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107537223A true CN107537223A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610479990.0A Pending CN107537223A (en) | 2016-06-27 | 2016-06-27 | A kind of method that high temperature resistant filter cloth is manufactured using mineral fibres |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107537223A (en) |
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2016
- 2016-06-27 CN CN201610479990.0A patent/CN107537223A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |
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| WD01 | Invention patent application deemed withdrawn after publication |