CN103623764A - Horizontal reactor suitable for fluid with ultrahigh viscosity - Google Patents
Horizontal reactor suitable for fluid with ultrahigh viscosity Download PDFInfo
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- CN103623764A CN103623764A CN201310645965.1A CN201310645965A CN103623764A CN 103623764 A CN103623764 A CN 103623764A CN 201310645965 A CN201310645965 A CN 201310645965A CN 103623764 A CN103623764 A CN 103623764A
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Abstract
A horizontal reactor suitable for a fluid with ultrahigh viscosity solves the preparation problems that synthetic rubber, polyester and the like cannot be well prepared by the conventional equipment through adopting a bulk polymerization method, and comprises a casing and a drive device, wherein a stirring shaft is arranged in the casing; one end of the stirring shaft is connected with the drive device; a feeding hole communicated with a feeding valve is formed in one end of the casing, and an extruding device arranged vertical to the stirring shaft is arranged at the other end of the casing; a helical blade belt is arranged on the stirring shaft; a plurality of backflow holes are formed in the helical blade belt; the number of the backflow holes gradually and sequentially decreases and the hole diameter of the backflow holes sequentially increases from the position close to the drive device end to the extruding device end. According to the invention, the transformation and adjustment of molecular weight from relatively low viscosity to ultrahigh viscosity, and technical processes such as degradation can be completed under certain pressure and temperature control as per the characteristics of a bulk polymerization technology, and the horizontal reactor has the advantages of high efficiency, low consumption, environment protection and the capability of continuous operation.
Description
Technical field
The present invention relates to a kind of blender, be specifically related to a kind of horizontal reactor that is applicable to hyperviscosity fluid.
Background technology
The preparations such as at present domestic and international synthetic rubber or polyester, generally all adopt solution or emulsion polymerization technique, these two kinds of polymerisations need to add various solvents and auxiliary agent in course of reaction, and these will produce byproduct of reaction, later stage must be with various process meanses to give processing, and its process is complicated, difficulty is large, cost is high.Raising and the requirement of people to low consumption environment protection along with industrial technology level, both at home and abroad scientific research personnel is making great efforts to have gone to resemble by bulk polymerization method the preparation of the hyperviscosity polymer such as polymer melt or high concentration polymer solution, but because the material viscosity of polymerisation in bulk end reaction is far away higher than solution or emulsion polymerization, and be a kind of non-newtonian fluid (non-newtonian fluid, refer to the fluid that does not meet newton's stickiness experiment law, be between its shear stress and shear strain rate, not to be the fluid of linear relationship), more than viscosity Gao Shikeda u=1000 pa.s, bring great difficulty therefore to bulk polymerization industrialization.
Existing high viscosity polymerization equipment is used vacuum volatilization technology or Screw Extrusion technology conventionally, and these two kinds of technology are all difficult to solve the problem in the technical process such as the molecular weight transformation, dissolving, mass transfer of polymerisation in bulk.Vacuum volatilization technology is generally by leaving gap between screw rod function, screw rod, when material enters screw rod, from membranaceous through forming between the slot of screw rod, in vacuum with degraded under higher than the state of volatile ingredient boiling point, gasification, devolatilization, though this equipment is repeated work repeatedly, can make accessory substance devolatilization in polymer, but the heat producing in polymerization process is wayward, the amount of heat producing in can not timely and effective reduction polymerization process, can cause the reduction of polymeric articles quality, even occur implode.Screw Extrusion technology is under the effect of screw rod engagement, due in the same way or counter rotating, can complete the technical process such as blended homogenizing, devolatilization of middle and high viscosity material, but screw extruder is during for hyperviscosity material, because material viscosity is large, Yi Rong piles up obstruction, carry weak effect, consume energy high, productivity is little, one of the reaction needed of hyperviscosity material process slowly particularly, and screw extruder residence time of material is shorter, cannot meet hyperviscosity material chemical reaction.
Summary of the invention
For solving existing equipment in background technology, can not well adopt bulk polymerization to prepare the problem of the preparations such as synthetic rubber or polyester, the invention provides a kind of horizontal reactor that is applicable to hyperviscosity fluid.
Technical scheme of the present invention is: a kind of horizontal reactor that is applicable to hyperviscosity fluid, comprise housing, drive unit, in described housing, be provided with shaft, one end of described shaft is connected with drive unit, one end of described housing is provided with the charging hole for being communicated with inlet valve, the other end is provided with and the vertically disposed extrusion device of shaft, described shaft is provided with helical blade band, described helical blade band is provided with a plurality of return ports, the quantity of described return port is from successively decreasing and the aperture of return port increases successively to extrusion device end successively near drive unit end.
As a modification of the present invention, the return port of the pitch of being separated by is itself and relative shifting to install on the parallel linear position of shaft axis.
As a further improvement on the present invention, described housing is provided with the fluid passage of cooling, medium passing.
As a further improvement on the present invention, described drive unit is connected with shaft by reductor, shaft coupling.
As a further improvement on the present invention, the two ends of described shaft are equipped with fluid-tight rotating ring and fluid-tight stationary seat, described fluid-tight stationary seat is provided with fluid inlet and outlet, on described fluid-tight rotating ring, be fixed with seal, between described fluid-tight stationary seat and shaft, form the fluid cavity of annular cooling, medium passing, described fluid cavity seals by seal, described shaft is hollow body, described hollow body shaft is provided with through hole, and the fluid inlet and outlet on described fluid-tight stationary seat is connected with the through hole on hollow body shaft by fluid cavity.
As a further improvement on the present invention, described fluid-tight rotating ring comprises the first slide block and the second slide block, the logical holding screw of described the second slide block is fixed on shaft, the first described slide block is connected by drive bolt with the second slide block, and the first described slide block and the second slide block coordinate along the slippage of drive bolt axial direction.
As a further improvement on the present invention, between the first described slide block and the second slide block, form chute, in described chute, be provided with back-moving spring
As a further improvement on the present invention, described extrusion device comprises the variable-frequency motor of extrusion screw rod and control extrusion screw rod speed.
As a further improvement on the present invention, described drive unit is for driving reducing motor.
The invention has the beneficial effects as follows, by the feature of hyperviscosity bulk technique, under certain pressure and temperature control, complete transformation, the adjusting to hyperviscosity molecular weight compared with low viscosity, the technical process such as degraded.When low viscosity, on helical blade, a plurality of return ports can make that material mixes fully, fluid, increase along with the viscosity of material in mixing, return port quantity on helical blade reduces and the aperture of return port increases successively, make the material blending that constantly misplaces, polymerisation nearly finishes, polymer cannot flow voluntarily, on flight, no longer include return port, by propelling and the extrusion screw rod discharging of helical blade, the cooling water in the shaft of the fluid passage on housing and hollow body is taken away the amount of heat that polymerization produces simultaneously completely.The present invention can avoid stopping up in housing, carries weak effect, high, the defect such as productivity is little, the reaction time is short consumes energy.In the present invention along with the effect of polymerisation, material viscosity progressively raises, return port on helical blade band reduces, aperture increases, realize polymer mixes, admixes between every joint helical blade, more adapt to the feature press bulk technique, make polymerisation in bulk technology progressively realize industrialization, and the present invention also has efficiently, low consumption, environmental protection, the advantage such as can work continuously.
Accompanying drawing explanation
The structural representation that accompanying drawing 1 is the embodiment of the present invention.
Accompanying drawing 2 is the structure enlarged diagram at I place in accompanying drawing 1.
Accompanying drawing 3 is the structure enlarged diagram at II place in accompanying drawing 2.
In figure, 1, housing; 11, charging hole; 12, fluid passage; 2, drive unit; 3, shaft; 31, helical blade band; 311, return port; 32, through hole; 4, inlet valve; 5, extrusion device; 51, extrusion screw rod; 52, variable-frequency motor; 6, reductor; 7, shaft coupling; 8, fluid-tight rotating ring; 81, the first slide block; 82, the second slide block; 83, drive bolt; 84, chute; 85, back-moving spring; 86, O shape circle; 87, holding screw; 9, fluid-tight stationary seat; 91, fluid inlet and outlet; 92, fluid cavity; 10, seal.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
By Fig. 1 in conjunction with shown in Fig. 2, Fig. 3, a kind of horizontal reactor that is applicable to hyperviscosity fluid, comprise housing 1, drive unit 2, in described housing 1, be provided with shaft 3, one end of described shaft 3 is connected with drive unit 2, specifically, described drive unit 2 is connected with shaft 3 by reductor 6, shaft coupling 7.One end of described housing 1 is provided with the charging hole 11 for being communicated with inlet valve 4, the other end is provided with and the vertically disposed extrusion device 5 of shaft 3, described shaft 3 is provided with helical blade band 31, described helical blade band 31 is provided with a plurality of return ports 311, and the quantity of described return port 311 is from successively decreasing and the aperture of return port 311 increases successively to extrusion device 5 ends successively near drive unit 2 ends.The invention has the beneficial effects as follows, by the feature of hyperviscosity bulk technique, under certain pressure and temperature control, complete transformation, the adjusting to hyperviscosity molecular weight compared with low viscosity, the technical process such as degraded.When low viscosity, on helical blade, a plurality of return ports can make that material mixes fully, fluid, increase along with the viscosity of material in mixing, return port quantity on helical blade reduces and the aperture of return port increases successively, make the material blending that constantly misplaces, polymerisation nearly finishes, polymer cannot flow voluntarily, on flight, no longer include return port, by propelling and the extrusion screw rod discharging of helical blade, the cooling water in the shaft of the fluid passage on housing and hollow body is taken away the amount of heat that polymerization produces simultaneously completely.The present invention can avoid stopping up in housing, carries weak effect, high, the defect such as productivity is little, the reaction time is short consumes energy.In the present invention along with the effect of polymerisation, material viscosity progressively raises, return port on helical blade band reduces, aperture increases, realize polymer mixes, admixes between every joint helical blade, more adapt to the feature that needs long period slow reaction by bulk technique, make polymerisation in bulk technology progressively realize industrialization, and the present invention also has efficiently, low consumption, environmental protection, the advantage such as can work continuously.
The return port 311 of the pitch of being separated by is itself and relative shifting to install on the parallel linear position of shaft 3 axis.According to the variation of viscosity and material gravity flow performance, the return port of dislocation is set on diverse location, realized fluid and reallocated at every joint helical blade interband, be more conducive to the mixing of material.
The two ends of described shaft 3 are equipped with fluid-tight rotating ring 8 and fluid-tight stationary seat 9, described fluid-tight stationary seat 9 is provided with fluid inlet and outlet 91, on described fluid-tight rotating ring 8, be fixed with seal 10, between described fluid-tight stationary seat 9 and shaft 3, form annular cooling, the fluid cavity 92 of medium passing, described fluid cavity 92 is by seal 10 sealings and 86 sealings of O shape circle, described shaft 3 is hollow body, described hollow body shaft 3 is provided with through hole 32, fluid inlet and outlet 91 on described fluid-tight stationary seat 9 is connected with the through hole 32 on hollow body shaft 3 by fluid cavity 92.Specifically, described fluid-tight rotating ring 8 comprises the first slide block 81 and the second slide block 82, described the second slide block 82 is fixed on shaft 3 by holding screw 87, the first described slide block 81 is connected by drive bolt 83 with the second slide block 82, and the first described slide block 81 and the second slide block 82 coordinate along drive bolt 83 axial direction slippages.In particular, between the first described slide block 81 and the second slide block 82, form chute 84, in described chute 84, be provided with back-moving spring 85.Such structure can provide hot and cold medium in time, and control and regulation polymeric reaction temperature, avoids the reduction of polymeric articles quality or the appearance of implode.The second slide block is fixed on shaft 3 by holding screw, and first slide block be connected by drive bolt with the second slide block, the first slide block, the second slide block are all rotated with shaft, first slide block that is arranged so that of back-moving spring can compress fluid-tight rotating ring reliably, makes the fluid-tight rotating ring can be sealed reliably.
Described extrusion device 5 comprises extrusion screw rod 51 and controls the variable-frequency motor 52 of extrusion screw rod 51 motions.Described drive unit 2 is for driving reducing motor.According to initial material and terminal material viscosity, adjust the rotating speed that drives reducing motor and variable-frequency motor, can reach the control of material flow and polymerization reaction time, conversion ratio, make mixing of materials more controlled.
Every technical staff's notice: although the present invention describes according to the above-mentioned specific embodiment, invention thought of the present invention is not limited in this embodiment, and the repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (9)
1. a horizontal reactor that is applicable to hyperviscosity fluid, it is characterized in that: comprise housing (1), drive unit (2), in described housing (1), be provided with shaft (3), one end of described shaft (3) is connected with drive unit (2), one end of described housing (1) is provided with the charging hole (11) for being communicated with inlet valve (4), the other end is provided with and the vertically disposed extrusion device of shaft (3) (5), described shaft (3) is provided with helical blade band (31), described helical blade band (31) is provided with a plurality of return ports (311), the quantity of described return port (311) is from successively decreasing and the aperture of return port (311) increases successively to extrusion device (5) end successively near drive unit (2) end.
2. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, the return port (311) of the pitch that it is characterized in that being separated by is itself and relative shifting to install on the parallel linear position of shaft (3) axis.
3. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, is characterized in that described housing (1) is provided with the fluid passage (12) of cooling, medium passing.
4. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, is characterized in that described drive unit (2) is connected with shaft (3) by reductor (6), shaft coupling (7).
5. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, the two ends that it is characterized in that described shaft (3) are equipped with fluid-tight rotating ring (8) and fluid-tight stationary seat (9), described fluid-tight stationary seat (9) is provided with fluid inlet and outlet (91), on described fluid-tight rotating ring (8), be fixed with seal (10), between described fluid-tight stationary seat (9) and shaft (3), form annular cooling, the fluid cavity of medium passing (92), described fluid cavity (92) is by seal (10) and O shape circle (86) sealing, described shaft (3) is hollow body, described hollow body shaft (3) is provided with through hole (32), fluid inlet and outlet (91) on described fluid-tight stationary seat (9) is connected with the through hole (32) on hollow body shaft (3) by fluid cavity (92).
6. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 5, it is characterized in that described fluid-tight rotating ring (8) comprises the first slide block (81) and the second slide block (82), described the second slide block (82) is fixed on shaft (3) by holding screw (87), described the first slide block (81) is connected by drive bolt (83) with the second slide block (82), and described the first slide block (81) and the second slide block (82) coordinate along drive bolt (83) axial direction slippage.
7. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 6, is characterized in that forming chute (84) between described the first slide block (81) and the second slide block (82), is provided with back-moving spring (85) in described chute (84).
8. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, is characterized in that described extrusion device (5) comprises the variable-frequency motor (52) of extrusion screw rod (51) and control extrusion screw rod (51) speed.
9. the horizontal reactor that is applicable to hyperviscosity fluid according to claim 1, is characterized in that described drive unit (2) is for driving reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645965.1A CN103623764B (en) | 2013-12-06 | 2013-12-06 | Be applicable to the horizontal reactor of hyperviscosity fluid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310645965.1A CN103623764B (en) | 2013-12-06 | 2013-12-06 | Be applicable to the horizontal reactor of hyperviscosity fluid |
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| Publication Number | Publication Date |
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| CN103623764A true CN103623764A (en) | 2014-03-12 |
| CN103623764B CN103623764B (en) | 2016-05-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383840A (en) * | 2014-11-04 | 2015-03-04 | 无锡市华明化工有限公司 | Vacuum horizontal stirrer for stirring high-viscosity substances |
| CN104743757A (en) * | 2015-03-11 | 2015-07-01 | 鲁韧 | Oil-sludge-sand three-phase separation treatment system and application thereof |
| CN105797612A (en) * | 2016-05-20 | 2016-07-27 | 四川省农业科学院蚕业研究所 | Stirring, cooling and extruding machine |
| CN111617709A (en) * | 2020-05-29 | 2020-09-04 | 上海泽淦环境技术有限公司 | Material transmission shaft |
| CN112124873A (en) * | 2020-08-19 | 2020-12-25 | 平顶山神马工程塑料有限责任公司 | Horizontal polymerizer capable of quickly conveying high-viscosity molten materials |
| CN113000002A (en) * | 2021-03-22 | 2021-06-22 | 洛阳海惠新材料股份有限公司 | Horizontal tackifying reactor for preparing PBT |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383840A (en) * | 2014-11-04 | 2015-03-04 | 无锡市华明化工有限公司 | Vacuum horizontal stirrer for stirring high-viscosity substances |
| CN104743757A (en) * | 2015-03-11 | 2015-07-01 | 鲁韧 | Oil-sludge-sand three-phase separation treatment system and application thereof |
| CN105797612A (en) * | 2016-05-20 | 2016-07-27 | 四川省农业科学院蚕业研究所 | Stirring, cooling and extruding machine |
| CN111617709A (en) * | 2020-05-29 | 2020-09-04 | 上海泽淦环境技术有限公司 | Material transmission shaft |
| CN112124873A (en) * | 2020-08-19 | 2020-12-25 | 平顶山神马工程塑料有限责任公司 | Horizontal polymerizer capable of quickly conveying high-viscosity molten materials |
| CN113000002A (en) * | 2021-03-22 | 2021-06-22 | 洛阳海惠新材料股份有限公司 | Horizontal tackifying reactor for preparing PBT |
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| CN103623764B (en) | 2016-05-04 |
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