CN105460395A - Production technology of woven bag for cement packaging - Google Patents
Production technology of woven bag for cement packaging Download PDFInfo
- Publication number
- CN105460395A CN105460395A CN201510895807.0A CN201510895807A CN105460395A CN 105460395 A CN105460395 A CN 105460395A CN 201510895807 A CN201510895807 A CN 201510895807A CN 105460395 A CN105460395 A CN 105460395A
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- Prior art keywords
- woven bag
- drying
- rolling
- production technology
- film
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
Abstract
The invention discloses a production technology of a woven bag for cement packaging. The technology comprises the following steps of drying stirring, extrusion forming, wire drawing and winding, circular knitting, film blowing and rolling, micro-hole punching, printing, cutting and tailoring. Polypropylene, polyethylene, silicon dioxide and a filling matrix serve as woven bag production raw materials; due to the fact that silica, calcium carbonate and the calcium carbonate are mixed with the matrix, toughness of the woven bag is improved, the breaking phenomenon in the follow-on production process can be prevented, and when cement is packaged, breaking is avoided; a drying plate is coated with glycerinum, the glycerinum is smeared to the surface of a flat wire, ductility of the flat wire is improved, and winding and circular knitting of the flat wire are facilitated; the low-density polyethylene and the low-density polypropylene are used for carrying out film blowing on the surface of the woven bag, the woven bag has the waterproof performance, micro holes are punched after film blowing, and the bag bursting phenomenon caused by the too high packaged cement temperature can be prevented.
Description
Technical field
The present invention relates to woven bag production technical field, specifically belong to a kind of cement packing woven bag production technology.
Background technology
Woven bag is the one of plastics, and packaging use, its raw material is generally that the various Xylonite raw material such as polyethylene, polypropylene adds some additives.Production line of plastic woven bag flow process is generally: PP, PE material or reworked material → dry puddle mixer → draw bench → winder → circular weaving machine → bag cutting machine → sack closer → printer → PP woven bag → compress.Cement enlivens due to its character, so the woven bag of packaging cement has to pass through special process process, to make its satisfied packaging demand.
Summary of the invention
The object of this invention is to provide a kind of cement packing woven bag production technology, polypropylene, polyethylene, silicon dioxide and filling master batch is used to be woven bag raw materials for production, owing to employing silicon dioxide and calcium carbonate, sodium carbonate mixing masterbatch, improve the toughness of woven bag, namely preventing the phenomenon of rupture in subsequent production, making again can not ftracture when encapsulating cement; Drying-plate applies glycerine, and flat filament surface smeared by glycerine, improves flat filament ductility, facilitates the rolling of flat filament and circle to knit; Utilize Low Density Polyethylene and polypropylene to woven bag surface blown film, make woven bag have water-proofness, after blown film, beat micropore, the fried bag phenomenon that encapsulation cement temperatures is too high can be prevented.
The technical solution used in the present invention is as follows:
A kind of cement packing woven bag production technology, comprises the following steps:
(1) dryly to stir: be 40 ~ 50% polypropylene by proportioning, 20 ~ 30% polyethylenes, 15 ~ 20% silicon dioxide and 10 ~ 15% filling master batch put into the mixing of dry puddle mixer inner drying, baking temperature is 150 ~ 200 DEG C, and drying time is 30 ~ 50 minutes;
(2) extrusion molding: the raw material after dry stirring is inhaled into barrel, and through the heating of barrel and the shearing of screw rod and machine barrel, be then extruded into film by extruder head, film utilizes water cooling while extruding, and water temperature maintains 20 ~ 30 DEG C;
(3) wire drawing rolling: by film by sub-wire cutter cutting sub-wire, and the toughness formation flat filament improving silk through drying-plate heating, then receive silk rolling by receiving silk machine, the temperature of drying-plate heating maintains 70 ~ 90 DEG C;
(4) circle is knitted: utilize circular weaving machine to be made into circular knit bag the lacing of rolling, then by winder rolling;
(5) blown film rolls, beats micropore: rolled its surperficial blown film by inflation film manufacturing machine by the circular knit bag of rolling, woven bag after blown film is first through a cool wind box cooling, cool wind box temperature is 20 ~ 30 DEG C, hardening time is 30 ~ 60 seconds, cool through cooling twice bellows again, cooling twice box temperature is 5 ~ 10 DEG C, hardening time is 5 ~ 10 seconds, and micropore beaten by recycling roll;
(6) printing, sanction are cut, are sewed: beat the woven bag after micropore and annotated and commented on by press printing trade mark and production, then utilize Cutting machine sanction to be slit into the woven bag of a rule, finally by sewing device sewing sack, finally become finished product woven bag.
Preferably, in described step (1), filling master batch is the compound of calcium carbonate and sodium carbonate.
Preferably, described calcium carbonate proportioning is 60 ~ 85%, ratio sodium carbonate is 15 ~ 40%.
Preferably, the drying-plate surface application in described step (3) has glycerine.
Preferably, blown film raw material is that Low Density Polyethylene and polypropylene are in the mixed compound of the ratio of 1:1 ~ 1:1.2 in described step (5).
Compared with the prior art, beneficial effect of the present invention is as follows:
The present invention uses polypropylene, polyethylene, silicon dioxide and filling master batch for woven bag raw materials for production, owing to employing silicon dioxide and calcium carbonate, sodium carbonate mixing masterbatch, improve the toughness of woven bag, namely prevent the phenomenon of rupture in subsequent production, making again can not ftracture when encapsulating cement; Drying-plate applies glycerine, and flat filament surface smeared by glycerine, improves flat filament ductility, facilitates the rolling of flat filament and circle to knit; Utilize Low Density Polyethylene and polypropylene to woven bag surface blown film, make woven bag have water-proofness, after blown film, beat micropore, the fried bag phenomenon that encapsulation cement temperatures is too high can be prevented.
Detailed description of the invention
Embodiment one
A kind of cement packing woven bag production technology, comprises the following steps:
(1) dryly to stir: be 50% polypropylene by proportioning, 20% polyethylene, 15% silicon dioxide silicon dioxide and 15% filling master batch put into the mixing of dry puddle mixer inner drying, baking temperature is 200 DEG C, and drying time is 30 minutes;
(2) extrusion molding: the raw material after dry stirring is inhaled into barrel, and through the heating of barrel and the shearing of screw rod and machine barrel, be then extruded into film by extruder head, film utilizes water cooling while extruding, and water temperature maintains 20 ~ 30 DEG C;
(3) wire drawing rolling: by film by sub-wire cutter cutting sub-wire, and the toughness formation flat filament improving silk through drying-plate heating, then receive silk rolling by receiving silk machine, the temperature of drying-plate heating maintains 70 ~ 90 DEG C;
(4) circle is knitted: utilize circular weaving machine to be made into circular knit bag the lacing of rolling, then by winder rolling;
(5) blown film rolls, beats micropore: rolled its surperficial blown film by inflation film manufacturing machine by the circular knit bag of rolling, woven bag after blown film is first through a cool wind box cooling, cool wind box temperature is 30 DEG C, hardening time is 30 seconds, cool through cooling twice bellows again, cooling twice box temperature is 5 DEG C, hardening time is 10 seconds, and micropore beaten by recycling roll;
(6) printing, sanction are cut, are sewed: beat the woven bag after micropore and annotated and commented on by press printing trade mark and production, then utilize Cutting machine sanction to be slit into the woven bag of a rule, finally by sewing device sewing sack, finally become finished product woven bag.
Preferably, in described step (1), filling master batch is the compound of calcium carbonate and sodium carbonate.
Preferably, described calcium carbonate proportioning is 85%, ratio sodium carbonate is 15%.
Preferably, the drying-plate surface application in described step (3) has glycerine.
Preferably, blown film raw material is that Low Density Polyethylene and polypropylene are in the mixed compound of the ratio of 1:1 ~ 1:1.2 in described step (5).
Embodiment two
A kind of cement packing woven bag production technology, comprises the following steps:
(1) dryly to stir: be 40% polypropylene by proportioning, 30% polyethylene, 20% silicon dioxide silicon dioxide and 10% filling master batch put into the mixing of dry puddle mixer inner drying, baking temperature is 150 DEG C, and drying time is 50 minutes;
(2) extrusion molding: the raw material after dry stirring is inhaled into barrel, and through the heating of barrel and the shearing of screw rod and machine barrel, be then extruded into film by extruder head, film utilizes water cooling while extruding, and water temperature maintains 20 ~ 30 DEG C;
(3) wire drawing rolling: by film by sub-wire cutter cutting sub-wire, and the toughness formation flat filament improving silk through drying-plate heating, then receive silk rolling by receiving silk machine, the temperature of drying-plate heating maintains 70 ~ 90 DEG C;
(4) circle is knitted: utilize circular weaving machine to be made into circular knit bag the lacing of rolling, then by winder rolling;
(5) blown film rolls, beats micropore: rolled its surperficial blown film by inflation film manufacturing machine by the circular knit bag of rolling, woven bag after blown film is first through a cool wind box cooling, cool wind box temperature is 20 DEG C, hardening time is 60 seconds, cool through cooling twice bellows again, cooling twice box temperature is 10 DEG C, hardening time is 5 seconds, and micropore beaten by recycling roll;
(6) printing, sanction are cut, are sewed: beat the woven bag after micropore and annotated and commented on by press printing trade mark and production, then utilize Cutting machine sanction to be slit into the woven bag of a rule, finally by sewing device sewing sack, finally become finished product woven bag.
Preferably, in described step (1), filling master batch is the compound of calcium carbonate and sodium carbonate.
Preferably, described calcium carbonate proportioning is 60%, ratio sodium carbonate is 40%.
Preferably, the drying-plate surface application in described step (3) has glycerine.
Preferably, blown film raw material is that Low Density Polyethylene and polypropylene are in the mixed compound of the ratio of 1:1 ~ 1:1.2 in described step (5).
Embodiment three
A kind of cement packing woven bag production technology, comprises the following steps:
(1) dryly to stir: be 45% polypropylene by proportioning, 25% polyethylene, 17% silicon dioxide and 13% filling master batch put into the mixing of dry puddle mixer inner drying, baking temperature is 175 DEG C, and drying time is 40 minutes;
(2) extrusion molding: the raw material after dry stirring is inhaled into barrel, and through the heating of barrel and the shearing of screw rod and machine barrel, be then extruded into film by extruder head, film utilizes water cooling while extruding, and water temperature maintains 20 ~ 30 DEG C;
(3) wire drawing rolling: by film by sub-wire cutter cutting sub-wire, and the toughness formation flat filament improving silk through drying-plate heating, then receive silk rolling by receiving silk machine, the temperature of drying-plate heating maintains 70 ~ 90 DEG C;
(4) circle is knitted: utilize circular weaving machine to be made into circular knit bag the lacing of rolling, then by winder rolling;
(5) blown film rolls, beats micropore: rolled its surperficial blown film by inflation film manufacturing machine by the circular knit bag of rolling, woven bag after blown film is first through a cool wind box cooling, cool wind box temperature is 25 DEG C, hardening time is 45 seconds, cool through cooling twice bellows again, cooling twice box temperature is 8 DEG C, hardening time is 8 seconds, and micropore beaten by recycling roll;
(6) printing, sanction are cut, are sewed: beat the woven bag after micropore and annotated and commented on by press printing trade mark and production, then utilize Cutting machine sanction to be slit into the woven bag of a rule, finally by sewing device sewing sack, finally become finished product woven bag.
Preferably, in described step (1), filling master batch is the compound of calcium carbonate and sodium carbonate.
Preferably, described calcium carbonate proportioning is 70%, ratio sodium carbonate is 30%.
Preferably, the drying-plate surface application in described step (3) has glycerine.
Preferably, blown film raw material is that Low Density Polyethylene and polypropylene are in the mixed compound of the ratio of 1:1 ~ 1:1.2 in described step (5).
Claims (5)
1. a cement packing woven bag production technology, is characterized in that, comprise the following steps:
(1) dryly to stir: be 40 ~ 50% polypropylene by proportioning, 20 ~ 30% polyethylenes, 15 ~ 20% silicon dioxide and 10 ~ 15% filling master batch put into the mixing of dry puddle mixer inner drying, baking temperature is 150 ~ 200 DEG C, and drying time is 30 ~ 50 minutes;
(2) extrusion molding: the raw material after dry stirring is inhaled into barrel, and through the heating of barrel and the shearing of screw rod and machine barrel, be then extruded into film by extruder head, film utilizes water cooling while extruding, and water temperature maintains 20 ~ 30 DEG C;
(3) wire drawing rolling: by film by sub-wire cutter cutting sub-wire, and the toughness formation flat filament improving silk through drying-plate heating, then receive silk rolling by receiving silk machine, the temperature of drying-plate heating maintains 70 ~ 90 DEG C;
(4) circle is knitted: utilize circular weaving machine to be made into circular knit bag the lacing of rolling, then by winder rolling;
(5) blown film rolls, beats micropore: rolled its surperficial blown film by inflation film manufacturing machine by the circular knit bag of rolling, woven bag after blown film is first through a cool wind box cooling, cool wind box temperature is 20 ~ 30 DEG C, hardening time is 30 ~ 60 seconds, cool through cooling twice bellows again, cooling twice box temperature is 5 ~ 10 DEG C, hardening time is 5 ~ 10 seconds, and micropore beaten by recycling roll;
(6) printing, sanction are cut, are sewed: beat the woven bag after micropore and annotated and commented on by press printing trade mark and production, then utilize Cutting machine sanction to be slit into the woven bag of a rule, finally by sewing device sewing sack, finally become finished product woven bag.
2. a kind of cement packing woven bag production technology according to claim 1, is characterized in that: in described step (1), filling master batch is the compound of calcium carbonate and sodium carbonate.
3. a kind of cement packing woven bag production technology according to claim 2, is characterized in that: described calcium carbonate proportioning is 60 ~ 85%, ratio sodium carbonate is 15 ~ 40%.
4. a kind of cement packing woven bag production technology according to claim 1, is characterized in that: the drying-plate surface application in described step (3) has glycerine.
5. a kind of cement packing woven bag production technology according to claim 1, is characterized in that: blown film raw material is that Low Density Polyethylene and polypropylene are in the mixed compound of the ratio of 1:1 ~ 1:1.2 in described step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895807.0A CN105460395A (en) | 2015-12-01 | 2015-12-01 | Production technology of woven bag for cement packaging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895807.0A CN105460395A (en) | 2015-12-01 | 2015-12-01 | Production technology of woven bag for cement packaging |
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| CN105460395A true CN105460395A (en) | 2016-04-06 |
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| CN201510895807.0A Pending CN105460395A (en) | 2015-12-01 | 2015-12-01 | Production technology of woven bag for cement packaging |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885234A (en) * | 2016-06-27 | 2016-08-24 | 安庆石油化工总厂联盟化工厂 | Preparation method for woven bag for cement packaging |
| CN108715055A (en) * | 2018-05-23 | 2018-10-30 | 枣阳市华星纺织有限公司 | A kind of manufacturing method of high ventilative woven bag |
| CN108774756A (en) * | 2018-07-31 | 2018-11-09 | 浙江亚设塑业有限公司 | A kind of woven bag production equipment and application method |
| CN108859263A (en) * | 2018-05-23 | 2018-11-23 | 枣阳市华星纺织有限公司 | A kind of manufacturing method of interior viscid film plastic woven bag |
| CN111363242A (en) * | 2020-04-13 | 2020-07-03 | 宜良县日发塑业有限公司 | Woven bag flat filament, preparation method thereof and woven bag |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613010A (en) * | 2008-06-25 | 2009-12-30 | 卢新宪 | Antibacterial fresh-keeping packaging bag special for rice and job operation thereof |
| CN202594481U (en) * | 2012-05-18 | 2012-12-12 | 黄冈市华源塑料制品有限责任公司 | Double-side punching device for cement propene polymer woven bag |
| CN203173049U (en) * | 2013-03-27 | 2013-09-04 | 陈庆明 | Plastic woven bag for filling cement |
| CN103524864A (en) * | 2013-10-08 | 2014-01-22 | 开原市升达塑料彩印厂 | Woven bag internally covering film |
| CN104149370A (en) * | 2014-07-11 | 2014-11-19 | 马志源 | Method for preparing fusible multilayer composite co-extrusion asphalt filling bags |
| CN104477490A (en) * | 2014-11-29 | 2015-04-01 | 安徽顺彤包装材料有限公司 | Production process of plastic woven bag |
| CN104786473A (en) * | 2015-03-31 | 2015-07-22 | 苏州市鼎立包装有限公司 | Modified polypropylene woven bag and preparation method thereof |
-
2015
- 2015-12-01 CN CN201510895807.0A patent/CN105460395A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613010A (en) * | 2008-06-25 | 2009-12-30 | 卢新宪 | Antibacterial fresh-keeping packaging bag special for rice and job operation thereof |
| CN202594481U (en) * | 2012-05-18 | 2012-12-12 | 黄冈市华源塑料制品有限责任公司 | Double-side punching device for cement propene polymer woven bag |
| CN203173049U (en) * | 2013-03-27 | 2013-09-04 | 陈庆明 | Plastic woven bag for filling cement |
| CN103524864A (en) * | 2013-10-08 | 2014-01-22 | 开原市升达塑料彩印厂 | Woven bag internally covering film |
| CN104149370A (en) * | 2014-07-11 | 2014-11-19 | 马志源 | Method for preparing fusible multilayer composite co-extrusion asphalt filling bags |
| CN104477490A (en) * | 2014-11-29 | 2015-04-01 | 安徽顺彤包装材料有限公司 | Production process of plastic woven bag |
| CN104786473A (en) * | 2015-03-31 | 2015-07-22 | 苏州市鼎立包装有限公司 | Modified polypropylene woven bag and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885234A (en) * | 2016-06-27 | 2016-08-24 | 安庆石油化工总厂联盟化工厂 | Preparation method for woven bag for cement packaging |
| CN108715055A (en) * | 2018-05-23 | 2018-10-30 | 枣阳市华星纺织有限公司 | A kind of manufacturing method of high ventilative woven bag |
| CN108859263A (en) * | 2018-05-23 | 2018-11-23 | 枣阳市华星纺织有限公司 | A kind of manufacturing method of interior viscid film plastic woven bag |
| CN108774756A (en) * | 2018-07-31 | 2018-11-09 | 浙江亚设塑业有限公司 | A kind of woven bag production equipment and application method |
| CN111363242A (en) * | 2020-04-13 | 2020-07-03 | 宜良县日发塑业有限公司 | Woven bag flat filament, preparation method thereof and woven bag |
| CN111363242B (en) * | 2020-04-13 | 2022-12-09 | 宜良县日发塑业有限公司 | Woven bag flat filament, preparation method thereof and woven bag |
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Application publication date: 20160406 |