CN2756310Y - Solid-liquid heterogeneous mixing reaction device - Google Patents
Solid-liquid heterogeneous mixing reaction device Download PDFInfo
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- CN2756310Y CN2756310Y CN 200420066789 CN200420066789U CN2756310Y CN 2756310 Y CN2756310 Y CN 2756310Y CN 200420066789 CN200420066789 CN 200420066789 CN 200420066789 U CN200420066789 U CN 200420066789U CN 2756310 Y CN2756310 Y CN 2756310Y
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- Prior art keywords
- solid
- reactor
- chuck
- inner bag
- kettle cover
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 title abstract description 14
- 238000002156 mixing Methods 0.000 title description 5
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 235000012773 waffles Nutrition 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 238000010528 free radical solution polymerization reaction Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000004711 α-olefin Substances 0.000 description 9
- 229920006158 high molecular weight polymer Polymers 0.000 description 8
- 239000000376 reactant Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
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- Polymerisation Methods In General (AREA)
Abstract
The utility model discloses a reaction solution and solid particle catalyst carry out the heterogeneous low temperature reaction unit who mixes of solid-liquid of solution polymerization. The device consists of a stirring system formed by connecting a motor 14, a speed reducer 15 and a stirrer 10 through a coupling 16, a cooling system and a reaction kettle, wherein the cooling system and the reaction kettle are wrapped outside a reaction kettle inner container 21, and are formed by a jacket 5 enclosed by a shell 22 and a cooling pipe 20 arranged in the kettle. The device is characterized in that a partition plate 7 is fixedly connected between the upper end of a reaction kettle liner 21 and a kettle cover 9 and then connected with the kettle cover 9 through a flange and a sealing ring, a motor 14 arranged on a support frame 8 between the kettle cover 9 and the partition plate 7 downwards penetrates through the partition plate 7 through a speed reducer 15 and a coupler 16 to be connected with a flap paddle type stirrer 10, a plurality of groups of U-shaped inner refrigerating pipes 20 are vertically and uniformly arranged on the circumferential surface of the reaction kettle close to the liner 21, and a jacket 5 is a half-pipe spiral pipe. The device well solves the sealing problem of isolated air, the stirring is uniform, and the heat exchange efficiency is improved.
Description
Technical field
The utility model is the heterogeneous reaction unit that mixes of solid-liquid that reactant liquor and solid particle catalyst carry out solution polymerization, the reaction unit when particularly alpha-olefin super high molecular weight polymer reactant is liquid.Relate to general chemical devices and pipe-line system field.
Background technology
Reactant liquor and solid particle catalyst carry out a kind of method that polymerisation is alpha-olefin super high molecular weight polymer preparation in reactor, as " a kind of preparation method of alpha-olefin super high molecular weight polymer and device " (application number 03134881.5) of our company's application on September 27th, 2003 be exactly that the alpha-olefin super high molecular weight polymer reactant of the heterogeneous mixing of a kind of solid-liquid just can be produced when being liquid continuously, heat exchange efficiency height, production efficiency height, product preparation method and device convenient to remove.This method requires its process units to stir under the condition of secluding air and low temperature and makes solid particle catalyst evenly distribution in reactant liquor.Owing to do not have qualified reaction unit, can only adopt the closed reactor that adds the cool cycles chuck to add a cover and give cooling device.This is obviously with regard to some complexity.Though also occurred some new reaction units in recent years successively, (ZL9022066.1.3) in being arranged, the reactor of chuck plugs one group of replaceable frame or dasher as the utility model " suspension polymerization still " of authorizing on April 24th, 1991, be equipped with three groups of damper bars in the still, make in the polymerization whipping process reactor fluid level less in the linear velocity difference at difference place, it is even that the flow velocity of each medium fluid layer more becomes, can obtain the comparatively polymerization single polymerization monomer of homogeneous of granularity, but this kind agitator also has circular flow up and down except horizontal loops to stream, still stir even inadequately, and the poor performance at low temperatures of reactor, airtight performance is poor, still owes desirable for the polymerisation of the alpha-olefin super high molecular weight polymer that produces high heat; " the low-temp reaction still " of authorizing on July 3rd, 2002 be existing vacuum heat-insulating layer and chuck and pass to liquid nitrogen in chuck (ZL01234582.2), in still, be provided with spiral coil again and pass to liquid nitrogen, can realize the ultralow temperature polymerisation, but its agitator is common dasher, be that horizontal loops is to stream during low speed, be radial flow during high speed, be difficult to the heterogeneous mixing and stirring of solid-liquid, and seal be bad.Above-mentioned two patented technologies are respectively given priority to, and are all undesirable for the polymerisation of the alpha-olefin super high molecular weight polymer of the heterogeneous mixing of solid-liquid, can not meet the demands in other words.
The utility model content
The purpose of this utility model is the solution polymerization device of the heterogeneous mixing of solid-liquid that design a kind ofly stirs under secluding air and cryogenic conditions, heat exchange efficiency is high.
Requirement according to the heterogeneous mixed polymerization reaction pair of solid-liquid reactor, deficiency at existing reactor existence, the utility model proposes a kind of improvement design, its structure as shown in Figure 1, it is the same with the popular response still, also by stirring system, refrigeration system and reactor are formed, stirring system is by motor 14, decelerator 15 connects to form by shaft coupling 16 and agitator 10, refrigeration system is by being wrapped in the reactor inner bag 21 outer chucks of being sealed by shell 22 5, place interior refrigerator pipes 20 and refrigerant inlet 2 in the still, 18, refrigerant outlet 6,19 form, reactor is for having charge door 12, discharging opening 23, sewage draining exit 1, the cylindrical inner bag 21 in the oval end that bell kettle cover 9 cap seal outsourcing chucks 5 are arranged on temperature sensor sleeve pipe 17 and the bearing 4, and this apparatus features is to be connected to add sealing ring by flange again behind the dividing plate 7 and be connected with kettle cover 9 between inner bag 21 upper ends of reactor and kettle cover 9, be installed in motor 14 on the bracing frame 8 between kettle cover 9 and the dividing plate 7 through decelerator 15, shaft coupling 16 down passes dividing plate 7 and is connected with hinged joint dasher 10, closely vertical on every side evenly layout of inner bag 21 organized refrigerator pipes 20 in " U " shapes, chuck 5 inner discs have semicanal helix tube refrigerator pipes more in reactor.Dividing plate 7 wherein is a double-decker, and the upper strata is metallic porous sheet or waffle slab, and lower floor is perforating foamed plastics or polyethylene foam sheet.This kind structure both can have been born the weight of motor 14, decelerator 15, shaft coupling 16 and agitator 10, can ventilate again and every liquid, reactant liquor can not be splashed on the dividing plate 7 and nitrogen can be by entering motor 14 chambeies, and through nitrogen replacement outlet 13 to nitrogen circulating system, on dividing plate 7, also have charging aperture 12 and temperature sensor sleeve pipe 17 to pass.Agitator 10 is a hinged joint oar formula, and straight blade and rotating shaft angle are about 45 °, and the thickness of blade is 1/4～1/5 (seeing Fig. 2 for details) of width.20 one-tenth " U " shapes of interior refrigerator pipes are vertically along radially gathering, " U " shape pipe is about 1/4 of " U " shape pipe diameter with the gap of inner bag 21 walls, tube pitch is about 1/4 of " U " shape pipe diameter, refrigerant enters the mouth 18 pipes in the lining, refrigerant outlet 19 is managed outside, and refrigerant inlet 18 passes inner bag 21 abreast in refrigerant outlet 19.Chuck 5 is the outside semicanal helix tube of disc, and refrigerant enters from the refrigerant inlet 2 that passes chuck 5 bottoms, through the semicanal helix tube, discharges from the refrigerant outlet 6 that passes chuck 5 upper end side.
Description of drawings
The heterogeneous mixed reactor figure of Fig. 1 solid-liquid
Fig. 2 hinged joint oar front view
Fig. 3 hinged joint oar side view
Wherein 1---sewage draining exit 2---refrigerant enters the mouth
3---paddle 4---bearing
The outlet of 5---chuck 6---refrigerant
7---dividing plate 8---bracing frame
9---kettle cover 10---agitator
11---nitrogen is gone into still mouth 12---charge door
13---nitrogen replacement outlet 14---motor
15---decelerator 16---shaft coupling
17---temperature sensor sleeve pipe 18---refrigerant inlet
The interior refrigerator pipes of 19---refrigerant outlets 20---
21---inner bag 22---shell
23---discharging opening
The specific embodiment
Embodiment. with present embodiment the specific embodiment of the present utility model is described.This example is to make the device that alpha-olefin super high molecular weight polymerisation is used, and it constitutes as shown in Figure 1.Wherein the reactor shape is as figure, and inner bag 21 is a steel; The shape of shell 22 is similar to inner bag 21, is wrapped in outside the inner bag 21, and the periphery of the inwall of shell 22 and inner bag 21 is equidistant, and shell 22 is also made with steel material; Chuck 5 between shell 22 and the inner bag 21 is the outside steel semicanal of coiling disc, and the lower end connects a steel pipe stretches out shell 22 and make refrigerant inlet 2, and the upper end connects a steel pipe and passes from shell 22 sides and do refrigerant outlet 6; In reactor near inner bag 21 inwalls vertical evenly arrange " U " shape steel pipe do in refrigerator pipes 20, and " U " shape pipe upper end is passed inner bag 21 and is constituted refrigerant inlet 18 with its sealing and refrigerant exports 19 for curved 90 °; A circular dividing plate 7 is welded in asking of inner bag 21 upper ends and kettle cover 9, dividing plate 7 is a double-decker, the upper strata is the steel waffle slab, lower floor is a polyethylene foam sheet, but it is load-bearing both, ventilates again every liquid, and flange is arranged on it, making hemisphere hull shape kettle cover 9 lower ends by steel has flange, and available bolt is connected after adding O-ring between the flange of this flange and dividing plate 7; Dividing plate 7 centers have the hole of inserting agitator 10, and outside weld one short steel pipes in hole is made bracing frame 8 with fixed motor 14, decelerator 15 and agitator 10; Decelerator 15 lower ends connect agitators 10 through shaft coupling 16, the agitator 10 lower ends hinged joint oar formula paddle 3 that is connected; Insert a steel pipe and cross dividing plate 7 in kettle cover 9 upper opening and communicate with reactor and make charge door 12, still mouth 11 is gone into through threeway formation nitrogen in its upper end, inserts a steel pipe in kettle cover 9 opposite side perforates and make temperature sensor sleeve pipe 17 to reactor; Pass chuck 5 and shell 22 is made sewage draining exit 1 to reactor from reactor bottom central openings sealing one steel pipe, sewage draining exit 1 side opening connects short tube and makes discharging opening 23, and kettle cover 9 center of top openings are done nitrogen replacement outlet 13.Having made the repeatedly polymerisation of alpha-olefin super high molecular weight polymer with this device, through actual measurement, do not had air in the reactor, all is nitrogen, and sealing property is fabulous; Refrigeration is even, and cryogenic temperature is low; Stir, polymerisation is effective.
The reaction unit of design like this, first has solved the sealing problem of secluding air well, motor 14, decelerator 15 and shaft coupling 16 placed between kettle cover 9 and the dividing plate 7 with placing still compare outward that sealing will solve easily and sealing property is fabulous, do not have air in the still and enter, improved the quality of polymerisation; Second refrigeration system adopts the technical scheme of chuck 5 inner disc semicanal helix tubes and still Nei Jianei refrigerator pipes 20, it is evenly effective to freeze, the heat exchange efficiency height, more superior than in empty chuck, leading to nitrogen or in chuck, adding the logical nitrogen solutions for refrigeration of pipe, can satisfy the refrigeration requirement of alpha-olefin super high molecular weight polymer polymerisation heat release fully, its cryogenic temperature can reach-20～-30 ℃; The 3rd, owing to adopt the hinged joint dasher, make the existing axial shunting of reactant mixture in the still, radially shunting and hoop shunting are arranged again, under the interior refrigerator pipes 20 of damper bar auxiliary, can make the very even of mixture stirring.
Claims (5)
1, the heterogeneous mixed reactor of a kind of solid-liquid, comprise stirring system, refrigeration system and reactor, stirring system is by motor [14], reductor [15] connects to form by shaft coupling [16], refrigeration system is by being wrapped in the outer chuck [5] of reactor inner bag [21], place interior refrigerator pipes [20] and refrigerant inlet [2] in the still, [18], refrigerant outlet [6], [19] form, reactor is for having charge door [12], discharging opening [23], sewage draining exit [1], the cylindrical inner bag [21] that oval kettle cover [9] cap seal outsourcing chuck [5] is arranged on temperature sensor sleeve pipe [17] and the bearing [4], be connected with again after it is characterized in that between still inner bag [21] upper end and kettle cover [9], being fixed with dividing plate [7] and be connected with kettle cover [9] after flange adds sealing ring, be installed between kettle cover [9] and the dividing plate [7] motor [14] on the bracing frame [8] through decelerator [15], shaft coupling [16] is connected with the hinged joint dasher [10] that down passes dividing plate [7], refrigerator pipes [20] in vertical many group " U " shapes that evenly distribute of nearly inner bag [21] side face in still, chuck [5] is the semicanal helix tube.
2, the heterogeneous mixed reactor of a kind of solid-liquid according to claim 1 is characterized in that described dividing plate [7] is a double-decker, and the upper strata is metallic porous sheet or waffle slab, and lower floor is perforating foamed plastics or polyethylene foam sheet.
3, the heterogeneous mixed reactor of a kind of solid-liquid according to claim 1 is characterized in that described agitator [10] is hinged joint oar formula, and straight blade and rotating shaft angle are about 45 °, and the thickness of blade is 1/4～1/5 of width.
4, the heterogeneous mixed reactor of a kind of solid-liquid according to claim 1, it is characterized in that described interior refrigerator pipes [20] becomes " U " shape radially gathering along still, its " U " shape pipe is about 1/4 of " U " shape pipe diameter with the gap of inner bag [21], tube pitch is about 1/4 of " U " shape pipe diameter, refrigerant inlet [18] Guan Zaili, refrigerant outlet [19] is managed outside, and refrigerant inlet [18] is gone up the parallel inner bag [21] that passes in refrigerant outlet [19].
5, the heterogeneous mixed reactor of a kind of solid-liquid according to claim 1, it is characterized in that described chuck [5] is the outside semicanal helix tube of disc, refrigerant inlet [2] passes from chuck [5] bottom, and refrigerant outlet [6] passes from the upper end side of chuck [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420066789 CN2756310Y (en) | 2004-06-11 | 2004-06-11 | Solid-liquid heterogeneous mixing reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420066789 CN2756310Y (en) | 2004-06-11 | 2004-06-11 | Solid-liquid heterogeneous mixing reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2756310Y true CN2756310Y (en) | 2006-02-08 |
Family
ID=35964698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420066789 Expired - Lifetime CN2756310Y (en) | 2004-06-11 | 2004-06-11 | Solid-liquid heterogeneous mixing reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2756310Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091572A (en) * | 2011-01-20 | 2011-06-15 | 宋晓轩 | Polymer reactor for synthesizing rubber |
| CN107983269A (en) * | 2016-10-27 | 2018-05-04 | 中国科学院过程工程研究所 | It is a kind of can separation of solid and liquid hydro-thermal reaction device |
-
2004
- 2004-06-11 CN CN 200420066789 patent/CN2756310Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091572A (en) * | 2011-01-20 | 2011-06-15 | 宋晓轩 | Polymer reactor for synthesizing rubber |
| CN102091572B (en) * | 2011-01-20 | 2012-10-10 | 宋晓轩 | Polymer reactor for synthesizing rubber |
| CN107983269A (en) * | 2016-10-27 | 2018-05-04 | 中国科学院过程工程研究所 | It is a kind of can separation of solid and liquid hydro-thermal reaction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140611 Granted publication date: 20060208 |