CN105839200A - Suspension fluid uniform charging method and device - Google Patents
Suspension fluid uniform charging method and device Download PDFInfo
- Publication number
- CN105839200A CN105839200A CN201610156960.6A CN201610156960A CN105839200A CN 105839200 A CN105839200 A CN 105839200A CN 201610156960 A CN201610156960 A CN 201610156960A CN 105839200 A CN105839200 A CN 105839200A
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- China
- Prior art keywords
- suspension
- container
- circulatory mediator
- uniform suspension
- feeding device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a suspension fluid uniform charging method and device; the method comprises the following steps: adding prepared suspension liquid into a container, and using a stirrer to stir the liquid; using a circulation medium to cool down the container until the suspension liquid reaches the set temperature; regulating flow, and adding the suspension liquid into following procedures. The method and device can solve the problems that the suspension liquid will settle in the container and a blanking tube in tests and a production process, thus realizing uniform charging, and preventing following procedure inhomogeneities caused by sudden settlement of the suspension liquid. Compared with the prior art, the suspension fluid uniform charging method and device are simple to operate, obvious in effect, simple in equipment structure, and can shorten the uniform charging process flow.
Description
Technical field
The invention belongs to uniform suspension feeding technique field, be specifically related to a kind of uniform suspension charging process and
Feeding device.
Background technology
In industrial processes, suspension is ubiquitous, but for solute proportion/gravity > suspension of 1
Liquid, settlement issues has a strong impact on the stability of production technology.From the point of view of super high molecular weight polyethylene gel spinning,
The stability of suspension determines the uniformity of fiber strand silk, existing ultra-high molecular weight polyethylene suspension preparation side
Method generally, joins ultra-high molecular weight polyethylene and solvent and stirs in swelling still and heat swelling, prepares and suspends
Liquid, feeds screw rod by suspension at normal temperatures and pressures.Although merely can be to a certain extent by increase rotating speed of agitator
Improve uniform suspension, but in container, suspension still occurs sedimentation and there is certain Concentraton gradient.
Commercial production high-strength high-modulus polyethylene fiber now, the method for another kind of configuration suspension is first dissolving part
Polyvinyl resin with super-high molecular weight in solvent, improve solution viscosity, mix with swollen materials again after cooling configure outstanding
Supernatant liquid, has part resin to dissolve in this suspension, a part of resin is swelling, has after extruder
Solution may be caused uneven and this kind of method technique is tediously long.
Chinese patent CN 1803856A discloses the continuous feeding of a kind of unit for uniform suspension, and it uses stirring
Between container bottom and top, stirring container blanking pipe end overflow mechanism with stirring container head arrange circulation dress
The method put is to improve the uniformity of suspension in container, but stirring container blanking pipe is located at stirring container side wall
Middle and lower part, this design is used in the experiment line of discontinuous production and the stirring a part of buildup of container bottom can be caused to enter
Enter extruder.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of uniform suspension is provided
Charging process and feeding device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of uniform suspension charging process, joins in container by prewired suspension and is stirred by agitating device,
Container is cooled to suspension by circulatory mediator and reaches design temperature, regulates flow, suspension is added subsequent handling；
Compared with described design temperature point molten with the solvent of described suspension, more than or equal to more than described molten point 1 DEG C
-10 DEG C, less than or equal to more than molten point 20 DEG C-50 DEG C.
Further, compared with described design temperature point molten with the solvent of described suspension, it is not less than more than described molten point
1 DEG C-5 DEG C, more than the most described molten point 1 DEG C；It is not higher than more than described molten point 20 DEG C-40 DEG C, the most not
Higher than more than described molten point 20 DEG C.
Described suspension viscosity is 0.1Pa s-50Pa s, preferably 1Pa s-20Pa s.
The speed that circulates of described circulatory mediator is 1L/min-50L/min, preferably 5L/min-15L/min.
Described circulatory mediator includes at least one in methanol, ethanol, ethylene glycol or glycerol.
Described suspension stir speed (S.S.) is 10r/min-150r/min, preferably 30r/min-90r/min.
A kind of uniform suspension feeding device, including the container for containing suspension, is placed in stirring in described container
Mix device, metering switch, and for the cycle refrigerating plant making suspension lower the temperature.
Described agitating device has one or more shaft, and shaft arranges stirring paddle, and stirring paddle type is anchor
Formula, screw, frame, six curved leaves are circular, preferably anchor formula, frame.
Described metering switch is connected to the bottom of described container, is used for regulating blanking flow.
Described container outer layer has circulatory mediator circulation layer and heat-insulation layer, described circulatory mediator circulation layer flowing to follow
Ring medium.
Described circulatory mediator circulation layer is provided with circulatory mediator import and exports with circulatory mediator, described circulating frozen
Device includes that freezing generation and circulating device, described freezing generation and circulating device are entered with circulatory mediator by pipeline
Mouth, circulatory mediator outlet.
Described heat-insulation layer material includes at least one in polyurethane, nitrile rubber or polrvinyl chloride.
In the preferred embodiment of the present invention, the method and apparatus that the present invention provides is for ultra-high molecular weight polyethylene
Uniform suspension feeds.Wherein, when ultra-high molecular weight polyethylene uniform suspension feeds, solvent is preferably white
Oil or kerosene.
Owing to using technique scheme, suspension is frozen, and solvent is when close to molten some, and viscosity is relatively big, effectively
Avoid suspension settles, it is ensured that the feeding subsequent handling of uniform suspension, it is to avoid settle too fast cause follow-up
The inhomogeneities of operation.And feed opening is at container bottom, produce or test after terminating, still does not exist clout,
Avoid material waste and cleaning difficulty.
Compared with prior art, the present invention is simple and easy to do, and homogenizing effect is obvious, and device structure is simple, significantly
Shorten uniform charging technology flow process.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
In figure, 1-freezing generation and circulating device, 2-circulatory mediator import, 3-heat-insulation layer, 4-circulatory mediator, 5-
The outlet of container, 6-agitating device, 7-circulatory mediator, 8-metering switch.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, a kind of uniform suspension feeding device, including the container 5 for containing suspension, and
It is placed in the agitating device 6 in described container 5, is connected to the metering switch 8 bottom described container 5, makes suspension
Cycle refrigerating plant (freezing generation and circulating device 1, circulatory mediator import 2, the circulatory mediator outlet 7 of cooling
And pipeline).Metering switch 8 matches with subsequent machining technology in order to regulate feeding flow, and circulatory mediator 4 is in chamber
Body-internal-circulation, to reduce suspension temperature, increases solvent viscosity to stop the sedimentation generation of resin powder, heat-insulation layer 3
Slow down the extraneous heat exchange with freezing liquid.Agitating device in the present embodiment is single shaft stirring, and stirring paddle is anchor formula,
Freezing insulation material is polyurethane, and circulatory mediator is ethanol.
Preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 10%, and suspension is joined container
Middle stirring, speed of agitator 60r/min, circulatory mediator temperature is set to-15 DEG C, and circulating speed is 5L/min,
Suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and match with Screw Extrusion amount, freezing outstanding
Supernatant liquid enters into and extrudes through spinneret after screw rod dissolves, and after screw rod is stable, through Instrument measuring electric current is
2.48A, die pressure 2.8MPa, Continuous maching 3 hours, current/voltage all keeps stable, illustrates that extrusion is all
Even, suspension does not settle.
Embodiment 2
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 8%, will be outstanding
Supernatant liquid joins in container and stirs, and speed of agitator 30r/min, circulatory mediator temperature is set to-20 DEG C, circulates
Speed is 10L/min, and suspension reaches to open when-20 DEG C metering switch, and regulates feeding flow and Screw Extrusion amount
Matching, frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
Mensuration electric current is 2.39A, die pressure 2.6MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 3
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 12%, will
Suspension joins in container and stirs, and speed of agitator 90r/min, circulatory mediator temperature is set to-10 DEG C, recycle stream
Dynamic speed is 15L/min, and suspension reaches to open when-10 DEG C metering switch, and regulates feeding flow and Screw Extrusion
Amount matches, and frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
It is 2.58A that device measures electric current, die pressure 3.1MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 4
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/kerosene suspension of 8%, will be outstanding
Supernatant liquid joins in container and stirs, and speed of agitator 40r/min, circulatory mediator temperature is set to-15 DEG C, circulates
Speed is 10L/min, and suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and Screw Extrusion amount
Matching, frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
Mensuration electric current is 2.31A, die pressure 2.5MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 5
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 8%, will be outstanding
Supernatant liquid joins in container and stirs, and speed of agitator 50r/min, circulatory mediator temperature is set to-15 DEG C, circulates
Speed is 20L/min, and suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and Screw Extrusion amount
Matching, frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
Mensuration electric current is 2.39A, die pressure 2.6MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 6
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/kerosene suspension of 8%, will be outstanding
Supernatant liquid joins in container and stirs, and speed of agitator 60r/min, circulatory mediator temperature is set to-15 DEG C, circulates
Speed is 20L/min, and suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and Screw Extrusion amount
Matching, frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
Mensuration electric current is 2.31A, die pressure 2.5MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 7
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/kerosene suspension of 10%, will
Suspension joins in container and stirs, and speed of agitator 50r/min, circulatory mediator temperature is set to-15 DEG C, recycle stream
Dynamic speed is 15L/min, and suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and Screw Extrusion
Amount matches, and frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
It is 2.38A that device measures electric current, die pressure 2.6MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Embodiment 8
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 10%, will
Suspension joins in container and stirs, and speed of agitator 50r/min, circulatory mediator temperature is set to-15 DEG C, recycle stream
Dynamic speed is 15L/min, and suspension reaches to open when-15 DEG C metering switch, and regulates feeding flow and Screw Extrusion
Amount matches, and frozen suspension liquid enters into and extrudes through spinneret after screw rod dissolves, after screw rod is stable, through instrument
It is 2.48A that device measures electric current, die pressure 2.8MPa, Continuous maching 3 hours, and current/voltage all keeps stable,
Extrusion being described uniformly, suspension does not settle.
Comparative example
Device is with embodiment 1, and preparation mass concentration is the ultra-high molecular weight polyethylene/white oil suspension of 10%, will
Suspension joins in container and stirs, and speed of agitator 60r/min, circulatory mediator temperature is set to 30 DEG C, recycle stream
Dynamic speed is 5L/min, and suspension reaches to open when 30 DEG C metering switch, and regulates feeding flow and Screw Extrusion
Amount matches, and frozen suspension liquid enters into after screw rod dissolves after spinneret extrusion screw rod is stable, through instrument
Mensuration electric current is 2.52A, die pressure 2.9MPa, and Continuous maching is after 3 hours, and electric current becomes 2.44A, electricity
Buckling is 2.7MPa, and early stage die pressure is big, and suspension concentration is high, and later stage die pressure is little, suspension concentration
Low, illustrate that in the course of processing, suspension settles.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use to send out
Bright.These embodiments obviously easily can be made various amendment by person skilled in the art, and at this
The General Principle illustrated is applied in other embodiments without through performing creative labour.Therefore, the present invention does not limits
In above-described embodiment, those skilled in the art are according to the announcement of the present invention, without departing from changing that scope is made
Entering and revise all should be within protection scope of the present invention.
Claims (10)
1. a uniform suspension charging process, it is characterised in that prewired suspension is joined in container also
Being stirred by agitating device, container is cooled to suspension by circulatory mediator and reaches design temperature, regulates flow, will suspend
Liquid adds subsequent handling；
Compared with described design temperature point molten with the solvent of described suspension, more than or equal to more than described molten point 1 DEG C
-10 DEG C, less than or equal to more than molten point 20 DEG C-50 DEG C.
A kind of uniform suspension charging process the most according to claim 1, it is characterised in that setting temperature
Under degree, described suspension viscosity is 0.1Pa s-50Pa s.
A kind of uniform suspension charging process the most according to claim 1, it is characterised in that described circulation
The speed that circulates of medium is 1L/min-50L/min.
A kind of uniform suspension charging process the most according to claim 1, it is characterised in that described is outstanding
Supernatant liquid stir speed (S.S.) is 10r/min-150r/min.
5. for implementing a uniform suspension feeding device for method as described in any one of claim 1-4, its
It is characterised by, the agitating device that including the container for containing suspension, is placed in described container, metering switch,
And for the cycle refrigerating plant making suspension lower the temperature.
A kind of uniform suspension feeding device the most according to claim 5, it is characterised in that described stirs
Mix device and have one or more shaft, shaft arranges stirring paddle, stirring paddle type be anchor formula, screw,
Frame or six curved leaves are circular.
A kind of uniform suspension feeding device the most according to claim 5, it is characterised in that described meter
Amount switch is connected to the bottom of described container, is used for regulating blanking flow.
A kind of uniform suspension feeding device the most according to claim 5, it is characterised in that described appearance
Device outer layer has circulatory mediator circulation layer and heat-insulation layer, described circulatory mediator circulation layer flowing to have circulatory mediator.
A kind of uniform suspension feeding device the most according to claim 5, it is characterised in that described follows
Ring medium circulation layer is provided with circulatory mediator import and exports with circulatory mediator, and described cycle refrigerating plant includes freezing
Occurring and circulating device, described freezing generation and circulating device are by pipeline and circulatory mediator import, circulatory mediator
Outlet.
A kind of uniform suspension feeding device the most according to claim 5, it is characterised in that described guarantor
Temperature layer material includes at least one in polyurethane, nitrile rubber or polrvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156960.6A CN105839200A (en) | 2016-03-18 | 2016-03-18 | Suspension fluid uniform charging method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156960.6A CN105839200A (en) | 2016-03-18 | 2016-03-18 | Suspension fluid uniform charging method and device |
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| CN105839200A true CN105839200A (en) | 2016-08-10 |
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| CN201610156960.6A Pending CN105839200A (en) | 2016-03-18 | 2016-03-18 | Suspension fluid uniform charging method and device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797368Y (en) * | 2005-06-16 | 2006-07-19 | 上海氯碱化工股份有限公司 | Polymeric reactor for preparing polyvinyl-chloride by suspension process |
| CN201643797U (en) * | 2010-01-21 | 2010-11-24 | 山东海龙股份有限公司 | Ultrasonic continuous defoaming device for high viscous fluids |
| CN102041557A (en) * | 2010-06-10 | 2011-05-04 | 浙江金昊特种纤维有限公司 | Production method of high-intensity and high-modulus polyethylene fibers |
| WO2012039188A1 (en) * | 2010-09-21 | 2012-03-29 | 株式会社ゴーセン | Super-high-molecular-weight polyolefin yarn, method for producing same, and drawing device |
| CN204564154U (en) * | 2015-04-08 | 2015-08-19 | 宜宾运通塑料助剂有限公司 | A kind of reactor producing modified chlorinated polyethylene |
| CN104862791A (en) * | 2015-05-19 | 2015-08-26 | 上海化工研究院 | Homogenizing feeding device for ultra-high molecular weight polyethylene dry spinning production |
-
2016
- 2016-03-18 CN CN201610156960.6A patent/CN105839200A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797368Y (en) * | 2005-06-16 | 2006-07-19 | 上海氯碱化工股份有限公司 | Polymeric reactor for preparing polyvinyl-chloride by suspension process |
| CN201643797U (en) * | 2010-01-21 | 2010-11-24 | 山东海龙股份有限公司 | Ultrasonic continuous defoaming device for high viscous fluids |
| CN102041557A (en) * | 2010-06-10 | 2011-05-04 | 浙江金昊特种纤维有限公司 | Production method of high-intensity and high-modulus polyethylene fibers |
| WO2012039188A1 (en) * | 2010-09-21 | 2012-03-29 | 株式会社ゴーセン | Super-high-molecular-weight polyolefin yarn, method for producing same, and drawing device |
| CN204564154U (en) * | 2015-04-08 | 2015-08-19 | 宜宾运通塑料助剂有限公司 | A kind of reactor producing modified chlorinated polyethylene |
| CN104862791A (en) * | 2015-05-19 | 2015-08-26 | 上海化工研究院 | Homogenizing feeding device for ultra-high molecular weight polyethylene dry spinning production |
Non-Patent Citations (1)
| Title |
|---|
| 黄方言: "《现代实用中药新剂新型技术》", 30 April 2001 * |
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| CB02 | Change of applicant information |
Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant before: Shanghai Research Institute of Chemical Industry |
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Application publication date: 20160810 |
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