CN105367668A - Dissolving process for viscose glue preparation - Google Patents
Dissolving process for viscose glue preparation Download PDFInfo
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- CN105367668A CN105367668A CN201510831173.2A CN201510831173A CN105367668A CN 105367668 A CN105367668 A CN 105367668A CN 201510831173 A CN201510831173 A CN 201510831173A CN 105367668 A CN105367668 A CN 105367668A
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Abstract
The invention provides a dissolving process for viscose glue preparation. Viscose glue generated after yellowing is finished passes through a xanthate pulverizer, then successively enters a coarse grinding machine and an initial dissolving barrel, and is subjected to circular grinding dissolving between the initial dissolving barrel and the coarse grinding machine; the viscose glue after completion of initial dissolving and grinding successively enters a re-dissolving barrel, a fine grinding machine and a heat exchanger, and is subjected to circular grinding re-dissolving among the re-dissolving barrel, the fine grinding machine and the heat exchanger. The viscose glue after yellowing is ground by the grinding machine for one time before discharging and then enters the initial dissolving barrel for circular grinding, and the plate heat exchanger is mounted behind the fine grinding machine, so that the viscose glue is fully dissolved, and the production time and energy consumption are also saved.
Description
Technical field
The invention belongs to viscose fiber production field, be specifically related to dissolution process prepared by a kind of viscose glue.
Background technology
Viscose fiber forms soda cellulose by natural cellulose through alkalization, then generates cellulose xanthate with dithiocarbonic anhydride effect, is dissolved in the viscous solution obtained in sig water and claims viscose glue, viscose glue after wet-spinning and a series for the treatment of process viscose fiber.
The preparation of viscose glue comprises the operations such as dipping, squeezing, pulverizing, aging, yellow, dissolving, maturation, filtration, deaeration.Yellow is followed successively by yellow, thickness grinding and rear dissolving workshop section to dissolution process.The object of rear dissolving is by the cellulose xanthate dispersion of the highly-hydrophilic after just dissolving, and is dissolved in further in sig water or softening water, makes viscose glue colloidal solution.Also have many cellulose xanthate particles in viscose glue after first dissolving, these particles are commonly referred to blob of viscose.In rear dissolution process, blob of viscose expands further and dissolves under the effect of alkali lye, and carry out mechanical stirring, under mechanical abrasive action, blob of viscose is grated, and cellulose xanthate fully dissolves simultaneously, makes finely dispersed viscose glue colloidal solution.
201010609129.4, name is called the patent of invention of " a kind of rear dissolution process of viscose fiber ", pass through circular grinding, improve the dissolving polishing progress of viscose glue, simultaneously, control effectively to viscose glue temperature by the installation of heat-exchange equipment, the temperature of dissolving after ensureing can reach processing requirement accurately.But plate-type heat exchanger is connected with blender(viscose) by this patent, in order to control viscose glue temperature, must to the viscose glue cooling in dissolving machine, because dissolving machine is general all about 30-80 side, volume is comparatively large, needs to consume plenty of time and energy guarantee viscose glue lowering temperature uniform.
201220006380.6, the utility model patent that name is called " a kind of rear dissolution system producing rayon spinning stoste ", is connected with pulverizer and the toothed gear pump for transporting material in turn between xanthating machine and predissolve machine; Grinding machine kibbled by the toothed gear pump and at least one be connected with in turn between predissolve machine and blender(viscose) for transporting material; Described blender(viscose) lower part outlet place is connected with the toothed gear pump for transporting material, two-way pipeline is out divided into from toothed gear pump, each road pipeline all connects a smart runner milling, and two smart runner millings connect blender(viscose) top by a pipeline, form circulation loop.This dissolution system does not install heat sink, and material is in circulation mill processes, and temperature inevitably rises, and serious limit product quality, is unfavorable for carrying out of lower operation.
Summary of the invention
The present invention dissolves insufficient problem to solve blob of viscose in viscose glue preparation, provides dissolution process prepared by a kind of viscose glue.Viscose glue after yellow is first milled once through runner milling when discharging, then enters and just dissolve bucket circulation and mill, and plate-type heat exchanger is arranged on essence and mills after pump, viscose glue is fully dissolved, and saves production time and energy consumption.
In order to realize foregoing invention object, the present invention adopts following technical scheme:
A dissolution process prepared by viscose glue, is characterized in that: yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Because in mill processes, raised temperature wanted by viscose glue, plate-type heat exchanger is arranged on essence and mills after pump by the present invention, is convenient to control temperature in circulation mill processes; Meanwhile, the viscose glue amount of lowering the temperature in mill processes is less, easy control of temperature, viscose glue cooling evenly, be easier to technology controlling and process.
Of the present invention completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.Toothed gear pump must be installed treat that viscose glue is squeezed into by equipment and dissolve bucket again, simplify production process, save working cost; Meanwhile, while the first batch dissolves again, the first dissolving of the second batch can be carried out, shorten the production time, realize continuous seepage.
Temperature of just dissolving of the present invention is 25-30 DEG C, and viscose quality is the most stable.
Temperature of dissolving again of the present invention is 10-15 DEG C.
Because best viscose glue dissolving, maturation temperature are at 18-20 DEG C.Not only solute effect is good for the low temperature viscose glue of 10-15 DEG C, and is convenient to lower Working Procedure Controlling degree of ripeness, reduces the energy expenditure of a maturation heat exchange.
The abrasive disk space of rough grinding machine of the present invention is 4-10mm, and grinding temperature is 26-28 DEG C, and milling efficiency is best.
The abrasive disk space of precise grinding machine of the present invention is 4-6mm, and grinding temperature is 24-26 DEG C, and milling efficiency is best.
Interchanger of the present invention is plate-type heat exchanger, and heat interchanging area is large, and technology controlling and process is easy.
Of the present inventionly just dissolve the time of dissolving again of milling and mill and be respectively 80-90 minute, adhering process is stablized, the best in quality.
Beneficial effect of the present invention is:
1, the viscose glue after yellow is first milled once through runner milling when discharging by the present invention, then enters and just dissolve bucket circulation and mill, and the viscose quality after milling and homogeneity significantly promote, and stop the generation of dead angle viscose glue.The foreign matter content obtaining viscose products microscopy be 130-160 root/gram, KW value is 75-100ml, and viscose glue is fully dissolved.
2, plate-type heat exchanger is arranged on essence and mills after pump by the present invention, is convenient to control temperature in circulation mill processes; Meanwhile, the viscose glue amount of lowering the temperature in mill processes is less, easy control of temperature, viscose glue cooling evenly, be easier to technology controlling and process, save production time and energy consumption.
3, the present invention again dissolve mill after adopt interchanger to lower the temperature, control final solvent temperature 10-15 DEG C.Low temperature viscose glue not only solute effect is good but also be convenient to lower Working Procedure Controlling degree of ripeness, and the energy reducing a maturation heat exchange disappears.
4, the present invention is just dissolved the viscose glue after milling enter being completed and dissolve bucket again from kibbling grinding machine.Toothed gear pump must be installed treat that viscose glue is squeezed into by equipment and dissolve bucket again, simplify production process, save working cost; Meanwhile, while the first batch dissolves again, the first dissolving of the second batch can be carried out, shorten the production time, realize continuous seepage.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of dissolution process after viscose glue of the present invention preparation.
Embodiment
Below in conjunction with embodiment, essentiality content of the present invention is described in further detail.
Embodiment 1
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Embodiment 2
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Embodiment 3
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 25 DEG C.
Embodiment 4
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 30 DEG C.
The described circulation solvent temperature of dissolving again of milling is 10 DEG C, and grinding temperature is 24 DEG C.
Embodiment 5
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 26 DEG C.
The described circulation solvent temperature of dissolving again of milling is 15 DEG C, and grinding temperature is 26 DEG C.
The abrasive disk space of described rough grinding machine is 4.5mm.
Embodiment 6
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 27 DEG C.
The described circulation solvent temperature of dissolving again of milling is 11 DEG C, and grinding temperature is 25 DEG C.
The abrasive disk space of described rough grinding machine is 10mm.
The abrasive disk space of described precise grinding machine is 6mm.
Embodiment 7
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 28 DEG C.
The described circulation solvent temperature of dissolving again of milling is 12 DEG C, and grinding temperature is 25 DEG C.
The abrasive disk space of described rough grinding machine is 4mm.
The abrasive disk space of described precise grinding machine is 4mm.
Described interchanger is plate-type heat exchanger.
Embodiment 8
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 29 DEG C.
The described circulation solvent temperature of dissolving again of milling is 13 DEG C, and grinding temperature is 25 DEG C.
The abrasive disk space of described rough grinding machine is 5mm.
The abrasive disk space of described precise grinding machine is 4.5mm.
Described interchanger is plate-type heat exchanger.
Described just to dissolve the time of milling be 82 minutes, and the time of dissolving again of milling is 80 minutes.
Embodiment 9
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 26 DEG C.
The described circulation solvent temperature of dissolving again of milling is 10 DEG C, and grinding temperature is 24 DEG C.
The abrasive disk space of described rough grinding machine is 6mm.
The abrasive disk space of described precise grinding machine is 5mm.
Described interchanger is plate-type heat exchanger.
Described just to dissolve the time of milling be 80 minutes, and the time of dissolving again of milling is 85 minutes.
Viscose glue after milling and dissolving is cooled to 10 DEG C, and batch turning enters lower operation.
Embodiment 10
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 27 DEG C.
The described circulation solvent temperature of dissolving again of milling is 15 DEG C, and grinding temperature is 26 DEG C.
The abrasive disk space of described rough grinding machine is 7mm.
The abrasive disk space of described precise grinding machine is 5.5mm.
Described interchanger is plate-type heat exchanger.
Described just to dissolve the time of milling be 90 minutes, and the time of dissolving again of milling is 86 minutes.
Viscose glue after milling and dissolving is cooled to 15 DEG C, and batch turning enters lower operation.
Embodiment 11
A dissolution process prepared by viscose glue, yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
Described completing just is dissolved the viscose glue after milling and is entered dissolve bucket again from kibbling grinding machine.
Described temperature of just dissolving is 28 DEG C.
The described circulation solvent temperature of dissolving again of milling is 12 DEG C, and grinding temperature is 25 DEG C.
The abrasive disk space of described rough grinding machine is 8mm.
The abrasive disk space of described precise grinding machine is 5.6mm.
Described interchanger is plate-type heat exchanger.
Described just to dissolve the time of milling be 86 minutes, and the time of dissolving again of milling is 90 minutes.
Viscose glue after milling and dissolving is cooled to 12 DEG C, and batch turning enters lower operation.
Carry out mixing of viscose according to the technical process of patent 201010609129.4 and patent 201220006380.6, by microscopy testing inspection, foreign matter content is respectively 195 pieces/gram and 182 pieces/gram; Filter Examination obtains KW value and is respectively 62ml and 70ml.The viscose glue microscopy result that present invention process obtains is 135 pieces/gram, and KW value is 98ml, and viscose glue obtains abundant dissolving.
Claims (9)
1. the dissolution process prepared of viscose glue, is characterized in that: yellow terminates the viscose glue of rear generation by after xanthate acid pulverizer, enters successively and kibbles grinding machine and just dissolve bucket, to carry out circulation and mills and dissolve just dissolving bucket and kibble between grinding machine; Complete and just dissolve the viscose glue after milling and enter successively and dissolve bucket, smart runner milling and interchanger again, dissolving bucket again, carry out circulation between smart runner milling and interchanger and mill and dissolve again.
2. the dissolution process prepared of viscose glue, is characterized in that: described in complete and just dissolve the viscose glue after milling and enter dissolve bucket again from kibbling grinding machine.
3. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: described temperature of just dissolving is 25-30 DEG C.
4. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: the described circulation solvent temperature of dissolving again of milling is 10-15 DEG C, and grinding temperature is 24-26 DEG C.
5. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: the abrasive disk space of described rough grinding machine is 4-10mm.
6. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: the abrasive disk space of described precise grinding machine is 4-6mm.
7. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: described interchanger is plate-type heat exchanger.
8. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: describedly just dissolve the time of dissolving again of milling and mill and be respectively 80-90 minute.
9. the dissolution process prepared of a kind of viscose glue according to claim 1, is characterized in that: the viscose glue after milling and dissolving is cooled to 10-15 DEG C, and batch turning enters lower operation.
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| CN201510831173.2A CN105367668B (en) | 2015-11-25 | 2015-11-25 | Dissolution process prepared by a kind of viscose glue |
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| CN201510831173.2A CN105367668B (en) | 2015-11-25 | 2015-11-25 | Dissolution process prepared by a kind of viscose glue |
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| CN105367668B CN105367668B (en) | 2018-06-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400131A (en) * | 2016-11-28 | 2017-02-15 | 宜宾海丝特纤维有限责任公司 | Processing system for decreasing viscose particle number in spinning technology |
| CN109092527A (en) * | 2018-08-09 | 2018-12-28 | 宜宾丝丽雅股份有限公司 | A kind of viscose glue grinding technics |
| CN110964631A (en) * | 2019-12-06 | 2020-04-07 | 金银卡(广州)生物科技股份有限公司 | High-efficient heat dissipation formula fungus liquid fermentation cylinder |
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| CN102101890A (en) * | 2010-12-28 | 2011-06-22 | 成都丽雅纤维股份有限公司 | Post dissolution process of viscose |
| CN202465569U (en) * | 2012-01-09 | 2012-10-03 | 成都丽雅纤维股份有限公司 | After-dissolving system for producing mucilage spinning solution |
| CN104945922A (en) * | 2015-06-11 | 2015-09-30 | 宁波尼可海绵科技有限公司 | Method for producing wood pulp sponge |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101890A (en) * | 2010-12-28 | 2011-06-22 | 成都丽雅纤维股份有限公司 | Post dissolution process of viscose |
| CN202465569U (en) * | 2012-01-09 | 2012-10-03 | 成都丽雅纤维股份有限公司 | After-dissolving system for producing mucilage spinning solution |
| CN104945922A (en) * | 2015-06-11 | 2015-09-30 | 宁波尼可海绵科技有限公司 | Method for producing wood pulp sponge |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400131A (en) * | 2016-11-28 | 2017-02-15 | 宜宾海丝特纤维有限责任公司 | Processing system for decreasing viscose particle number in spinning technology |
| CN106400131B (en) * | 2016-11-28 | 2018-07-20 | 宜宾海丝特纤维有限责任公司 | A kind of processing system reducing viscose glue population suitable for spinning technique |
| CN109092527A (en) * | 2018-08-09 | 2018-12-28 | 宜宾丝丽雅股份有限公司 | A kind of viscose glue grinding technics |
| CN110964631A (en) * | 2019-12-06 | 2020-04-07 | 金银卡(广州)生物科技股份有限公司 | High-efficient heat dissipation formula fungus liquid fermentation cylinder |
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