CN103361882B - A kind of chopped fiber needle-punched geotextiles production technology - Google Patents
A kind of chopped fiber needle-punched geotextiles production technology Download PDFInfo
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- CN103361882B CN103361882B CN201310207231.5A CN201310207231A CN103361882B CN 103361882 B CN103361882 B CN 103361882B CN 201310207231 A CN201310207231 A CN 201310207231A CN 103361882 B CN103361882 B CN 103361882B
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Abstract
The invention discloses a kind of chopped fiber needle-punched geotextiles production technology, control pre-pricker frequently for 280-310 time per minute, the pre-thorn degree of depth is 7.6-9.8mm, anti-main pricker be frequently 320-350 time per minute, the anti-main thorn degree of depth is 7.1-8.1mm, sting in advance and anti-main thorn time keep cloth surface temperature between 43-45 degree Celsius, the geotextiles combination property of being produced by this invention is high, is applicable to high ferro and builds etc. and require harsh engineering-environment to geotextiles combination property.
Description
Technical field
The present invention relates to geotextiles manufacturing technology field, particularly the chopped fiber needle-punched geotextiles production technology of one.
Background technology
Geotextiles is a kind of New Building Materials, and raw material is the synthetic fiber of the high molecular polymers such as terylene, polypropylene fibre, acrylic fibers.Be divided into according to manufacture method: Woven geofabric and non-woven geotextile two type.Common engineering mainly uses non-woven geotextile.Non-woven geotextile has the several functions such as antiseepage, anti-filter, draining, isolation, reinforcing, protection, sealing, compared with its stone-laying with routine and concrete material anti-seepage effect, has investment low, construction technology is simple, duration is short, good seepage-proof property, channel effective utilization coefficients advantages of higher.
Country's high ferro is built and is needed a large amount of nonwoven polypropylene geotextiles (relative to the geotextiles that the materials such as terylene are made, weathering degradation time is short, at about 10 years, little to environmental hazard), isolates for non-fragment orbit.The combination property being applied to the geotextiles that high ferro is built requires very high, and every Gram Mass is in the geotextiles of about 700g, and vertical cross-breaking strength should reach 48KN/m, and bursting strength reaches more than 8500N, and also require that geotextiles compactedness is good, cloth cover is strong.Geotextiles production technology disclosed in prior art is difficult to reach above-mentioned technical indicator.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of chopped fiber needle-punched geotextiles production technology, to reach the combination property improving geotextiles, making it be applicable to require geotextiles combination property the object of harsh engineering-environment.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of chopped fiber needle-punched geotextiles production technology, comprises the steps:
A, 3D fiber, 6D fiber and antistatic finish to be mixed;
B, shredding is carried out to the mixture of described 3D fiber, described 6D fiber and described antistatic finish;
After c, shredding complete, described mixture is sent into carding machine and carry out combing;
After d, combing complete, described mixture is sent into lapping machine lapping and compacting;
E, send into high speed pre-needling machine and sting sizing in advance, pre-pricker frequently be 280-310 time per minute, stinging the degree of depth is in advance 7.6-9.8mm, and pre-Ci Wendu is 43-45 degree Celsius;
F, send into high speed main needing machine and carry out anti-main thorn, anti-main pricker be frequently 320-350 time per minute, the anti-main thorn degree of depth is 7.1-8.1mm, and anti-main Ci Wendu is 43-45 degree Celsius;
G, carry out blanching light, make cloth cover smooth, blanching light temperature is 110-113 degree Celsius.
Preferably, comprise the steps:
A, 3D fiber, 6D fiber and antistatic finish to be mixed;
B, shredding is carried out to the mixture of described 3D fiber, described 6D fiber and described antistatic finish;
After c, shredding complete, described mixture is sent into carding machine and carry out combing;
After d, combing complete, described mixture is sent into lapping machine lapping and compacting;
E, send into high speed pre-needling machine and sting sizing in advance, pre-pricker be frequently 285 times per minute, the pre-thorn degree of depth is 9mm, and pre-Ci Wendu is 44 degrees Celsius;
F, send into high speed main needing machine and carry out anti-main thorn, anti-main pricker be frequently 325 times per minute, the anti-main thorn degree of depth is 8mm, and anti-main Ci Wendu is 44 degrees Celsius;
G, carry out blanching light, make cloth cover smooth, blanching light temperature is 111 degrees Celsius.
Pass through technique scheme, the geotextiles combination property that a kind of chopped fiber needle-punched geotextiles production technology provided by the invention is produced is high, every Gram Mass is in the geotextiles of about 700g, vertical cross-breaking strength reaches 52KN/m, bursting strength reaches more than 8500N, is applicable to high ferro and builds etc. and require harsh engineering-environment to geotextiles combination property.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below.
The invention provides a kind of chopped fiber needle-punched geotextiles production technology, 3D fiber, 6D fiber and antistatic finish are mixed in proportion, concrete ratio is determined by every Gram Mass of geotextiles, such as every Gram Mass is the geotextiles of 700g, the ratio of 3D fiber and 6D fiber is one to one, and described 3D fiber is the polypropylene fibre of tensile fracture 5.6KN, elongation at break 38-48%, described 6D fiber is the polypropylene fibre of tensile fracture 6.1KN, elongation at break 40-50%; Shredding is carried out to the mixture of described 3D fiber, described 6D fiber and described antistatic finish, opening processes be divided into once slightly open and once essence open; After shredding completes, described mixture is sent into carding machine and carry out combing, after combing completes, described mixture is sent into lapping machine lapping, after lapping completes, the compaction tool of use air cylinder driven is by cloth cover compacting; Send into high speed pre-needling machine and sting sizing in advance, pre-pricker be frequently 285 times per minute, the pre-thorn degree of depth is 9mm, send into the main needing machine of high speed after pre-thorn completes again and carry out anti-main thorn, anti-main pricker be frequently 325 times per minute, the anti-main thorn degree of depth is 8mm, and above-mentioned pin frequency and depth of needling can will drop to minimum to the weakening of fibre strength while guarantee geotextiles cloth face thickness; When carrying out pre-thorn and anti-main thorn, high speed acupuncture can cause cloth cover to generate heat, along with temperature raises, fibre density also can raise, and can cause the damage of fiber, but temperature is too low, the insufficient strength of fiber, linking between fiber is bad, the too high and too low quality that all can affect geotextiles of temperature, and when pre-Ci Wendu and anti-main Ci Wendu remains on 44 degrees Celsius, cloth cover fixed effect is good; Finally carry out blanching light, make cloth cover smooth, blanching light temperature is 111 degrees Celsius.
Use the geotextiles that a kind of chopped fiber needle-punched geotextiles production technology provided by the invention is produced, combination property is high, every Gram Mass is at the polypropylene fibre needle-punched geotextiles of about 700g, vertical cross-breaking strength reaches 52KN/m, bursting strength reaches more than 8500N, compactedness is good, and cloth cover is strong, is applicable to high ferro and builds etc. and require harsh engineering-environment to geotextiles combination property.
To the above-mentioned explanation of disclosed a kind of chopped fiber needle-punched geotextiles production technology embodiment, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a chopped fiber needle-punched geotextiles production technology, is characterized in that, comprise the steps:
A, 3D fiber, 6D fiber and antistatic finish to be mixed;
B, shredding is carried out to the mixture of described 3D fiber, described 6D fiber and described antistatic finish;
After c, shredding complete, described mixture is sent into carding machine and carry out combing;
After d, combing complete, described mixture is sent into lapping machine lapping and compacting;
E, send into high speed pre-needling machine and sting sizing in advance, pre-pricker frequently be 280-310 time per minute, stinging the degree of depth is in advance 7.6-9.8mm, and pre-Ci Wendu is 43-45 degree Celsius;
F, send into high speed main needing machine and carry out anti-main thorn, anti-main pricker be frequently 320-350 time per minute, the anti-main thorn degree of depth is 7.1-8.1mm, and anti-main Ci Wendu is 43-45 degree Celsius;
G, carry out blanching light, make cloth cover smooth, blanching light temperature is 110-113 degree Celsius.
2. the chopped fiber needle-punched geotextiles production technology of one according to claim 1, is characterized in that, comprise the steps:
A, 3D fiber, 6D fiber and antistatic finish to be mixed;
B, shredding is carried out to the mixture of described 3D fiber, described 6D fiber and described antistatic finish;
After c, shredding complete, described mixture is sent into carding machine and carry out combing;
After d, combing complete, described mixture is sent into lapping machine lapping and compacting;
E, send into high speed pre-needling machine and sting sizing in advance, pre-pricker be frequently 285 times per minute, the pre-thorn degree of depth is 9mm, and pre-Ci Wendu is 44 degrees Celsius;
F, send into high speed main needing machine and carry out anti-main thorn, anti-main pricker be frequently 325 times per minute, the anti-main thorn degree of depth is 8mm, and anti-main Ci Wendu is 44 degrees Celsius;
G, carry out blanching light, make cloth cover smooth, blanching light temperature is 111 degrees Celsius.
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| CN201310207231.5A CN103361882B (en) | 2013-05-29 | 2013-05-29 | A kind of chopped fiber needle-punched geotextiles production technology |
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| CN103361882B true CN103361882B (en) | 2016-03-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108978033A (en) * | 2017-06-01 | 2018-12-11 | 无锡市振基土工材料有限公司 | A kind of production technology of terylene short fiber needle-punched geotextiles |
| CN108978030A (en) * | 2017-06-01 | 2018-12-11 | 无锡市振基土工材料有限公司 | A kind of production technology of degradable geotextile |
| CN109267233A (en) * | 2017-07-17 | 2019-01-25 | 无锡市振基土工材料有限公司 | Short fine geotextiles of one kind and preparation method thereof |
| CN108716062B (en) * | 2018-06-08 | 2020-11-03 | 苏州大学 | Non-woven fabric culture medium, preparation method thereof and application thereof in ecological restoration of grouted hard shore zone |
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| CN103074739A (en) * | 2013-01-29 | 2013-05-01 | 大连华阳化纤科技有限公司 | Production method for polypropylene spun-bonded needle-punched geotextile |
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| JP3147633B2 (en) * | 1993-12-27 | 2001-03-19 | 東レ株式会社 | Non-woven and civil engineering materials |
| US20030093948A1 (en) * | 2001-11-20 | 2003-05-22 | Daniel Elmaliach | Geotextile mat based soilless sod |
| US7870965B2 (en) * | 2007-11-05 | 2011-01-18 | Huesker, Inc. | Geotextile composite for filtration of contaminated liquids and sediments |
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| CN2132756Y (en) * | 1992-08-06 | 1993-05-12 | 安徽省蚌埠无纺布厂 | Needle bonded non-tertile geoten ile |
| CN101255635A (en) * | 2007-12-18 | 2008-09-03 | 上海新纺织产业用品有限公司 | Geotextile and method for manufacturing same |
| CN102454046A (en) * | 2010-10-25 | 2012-05-16 | 江苏远大新纺织联合发展有限公司 | Method for manufacturing high-strength needling nonwoven geotextiles |
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Denomination of invention: Production technology of staple fiber needle punched geotextile Effective date of registration: 20180308 Granted publication date: 20160309 Pledgee: Bank of China Limited by Share Ltd Yizheng branch Pledgor: Yizheng Yili Geosynthetics Co., Ltd. Registration number: 2018320000026 |
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Date of cancellation: 20190408 Granted publication date: 20160309 Pledgee: Bank of China Limited by Share Ltd Yizheng branch Pledgor: Yizheng Yili Geosynthetics Co., Ltd. Registration number: 2018320000026 |
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Denomination of invention: Production technology of staple fiber needle punched geotextile Effective date of registration: 20190415 Granted publication date: 20160309 Pledgee: Bank of China Limited by Share Ltd Yizheng branch Pledgor: Yizheng Yili Geosynthetics Co., Ltd. Registration number: 2019320000181 |