CN102247792A - Novel polyphase stirred reactor - Google Patents
Novel polyphase stirred reactor Download PDFInfo
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- CN102247792A CN102247792A CN2011101128899A CN201110112889A CN102247792A CN 102247792 A CN102247792 A CN 102247792A CN 2011101128899 A CN2011101128899 A CN 2011101128899A CN 201110112889 A CN201110112889 A CN 201110112889A CN 102247792 A CN102247792 A CN 102247792A
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Abstract
The invention relates to a novel polyphase stirred reactor, which comprises a cylinder body, an upper sealing head, and a lower sealing head; a stirring shaft is disposed at the center of the cylinder body; a transmission mechanism is disposed at the upper part of the upper sealing head, and is connected to the stirring shaft; a supporting mechanism is disposed at the lower part of the lower sealing head, and is connected to the stirring shaft; the invention is characterized in that: a main stirrer and a secondary stirrer are disposed on the stirring shaft; a heat exchanger set composed of a plurality of heat exchange plates is disposed in the cylinder body; a heat exchange medium inlet and a material outlet are disposed at the outer wall of the cylinder body; a material inlet and a heat exchange medium outlet are disposed at the outer wall of the upper sealing head; and a material-discharging outlet and a gas inlet are disposed at the outer wall of the lower sealing head. The reactor allows the axial flow and the radial flow of reactants to exist simultaneously, and thus allows the materials to mix rapidly and uniformly; the heat exchange plates are uniformly distributed around the central shaft of the cylinder body in a radial mode with a certain angle, which guarantees the temperature equalization in the reactor; and the reactor has the characteristics of simple structure, and enhanced heat transfer.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, particularly a kind of heterophase reactor that is applied to have in the chemical field heat release or endothermic chemical reaction.
Background technology
In chemical reaction, the heterogeneous reaction with heat release or heat absorption is more common, for better control reaction temperature, is paid close attention to by people for the exploitation of the hot swapping of the heterophase reactor with heat release or heat absorption always.Exploitation and application such as pure radial flow isothermal reactor or pure axial flow isothermal reactor.In heterophase reactor with heat release or endothermic reaction, the flow regime of fluid is very big to each speed that mixes mutually in the reactor and degree influence, thereby restricted the further raising of the reaction rate of heterogeneous reaction, this also is the weak point of pure radial flow isothermal reactor or pure axial flow isothermal reactor; Simultaneously, owing to have heat release or heat absorption phenomenon in the course of reaction, also should in time remove the unnecessary heat in the course of reaction or additional heat, the shell-and-plate isothermal reactor of Chu Xianing has obtained application thus, for reactor inner coil pipe heat exchanger, obtained better effect.The heat exchange plate of using in the shell-and-plate isothermal reactor at present often is solid, or is fixed on the solid slab in some way.Though with solid heat exchange plate is that the heterophase reactor heat exchange efficiency that heat exchange unit is developed greatly improves, but also just because of used heat exchange plate is solid, also restricted the flow direction of fluid in the reactor, Radial Flow, axial flow, limited each mixing velocity and mixability between mutually, be unfavorable for that this type of reactor brings into play its greater role.
Summary of the invention
The objective of the invention is to cause and have fluid restricted in flow system at present heterogeneous isothermal reactor dysplasia, thereby the problem that inhomogeneous warm area occurs, provide a kind of being applicable to follow the heat release or the endothermic reaction can make the material rapid mixing better, mix, and better guarantee the equally distributed heterogeneous stirred reactor of temperature in the reactor.
For achieving the above object, the technical solution used in the present invention is: a kind of novel heterogeneous stirred reactor, comprise cylindrical shell (6), upper cover (3) is connected with cylindrical shell (6) by flange respectively with low head (8), cylindrical shell (6) center is provided with shaft (19), transmission mechanism (1) is located at the top of upper cover (3) and is connected with shaft (19), supporting mechanism (11) is located at the bottom of low head (8) and is connected with shaft (19), it is characterized in that: described shaft (19) is provided with at least two agitators, promptly main agitator (9) and secondary agitator (15), be provided with the heat exchanger package that a plurality of heat exchange plates (5) are formed in the described cylindrical shell (6), heat transferring medium inlet ring pipe (16) and heat transferring medium outlet ring pipe (18), heat transferring medium inlet ring pipe (16) is connected with heat exchange plate (5) by inlet interface channel (4a), heat transferring medium outlet ring pipe (18) is connected with heat exchange plate (5) by outlet interface channel (20a), cylindrical shell (6) outer wall is provided with heat transferring medium inlet (4) and material outlet (17), upper cover (3) outer wall is provided with material inlet (2) and heat transferring medium outlet (20), low head (8) outer wall is provided with discharge gate (10) and gas access (12), and the gas distributor of being located under the main agitator (9) (13) is connected with gas access (12).
The shape of described heat exchange plate (5) has specific radius of curvature, and heat exchange plate (5) α, radial mode at a certain angle is distributed on around the central shaft of cylindrical shell (6).
Described heat exchange plate (5) distribution angle α is 20 °～60 °.
Described heat exchange plate (5) is provided with at least two group heat exchanging medium passage groups (25), is provided with 2-3 heat exchanging medium passage (24) in each heat exchanging medium passage group (25).
The cross section of described heat exchanging medium passage (24) is a rhombus.
Be provided with space (23) between the described heat exchanging medium passage group (25).
The invention has the beneficial effects as follows: owing to be provided with main agitator and secondary agitator, reactant axial flow and radial flow are existed simultaneously, can make the material rapid mixing even better; The radial at a certain angle mode of heat exchange plate is distributed on around the central shaft of cylindrical shell, has guaranteed temperature equalization in the reactor, have simple in structure, the characteristics of augmentation of heat transfer.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is one of heat exchange plate arrangement schematic diagram of the present invention;
Fig. 3 is two of a heat exchange plate arrangement schematic diagram of the present invention;
Fig. 4 is the front schematic view of heat exchange plate of the present invention;
Fig. 5 is that the A of Fig. 4 is to schematic diagram;
Fig. 6 is the B-B profile of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1: see Fig. 1,2,3, a kind of novel heterogeneous stirred reactor, comprise cylindrical shell 6, upper cover 3 is connected with cylindrical shell 6 by flange respectively with low head 8, cylindrical shell 6 centers are provided with shaft 19, transmission mechanism 1 is located at the top of upper cover 3 and is connected with shaft 19, supporting mechanism 11 is located at the bottom of low head 8 and is connected with shaft 19, be characterized in: described shaft 19 is provided with two agitators, promptly main agitator 9 and secondary agitator 15, be provided with the heat exchanger package that a plurality of heat exchange plates 5 are formed in the described cylindrical shell 6, heat transferring medium inlet ring pipe 16 and heat transferring medium outlet ring pipe 18, heat transferring medium inlet ring pipe 16 is connected with heat exchange plate 5 by inlet interface channel 4a, heat transferring medium outlet ring pipe 18 is connected with heat exchange plate 5 by outlet interface channel 20a, cylindrical shell 6 outer walls are provided with heat transferring medium inlet 4 and material outlet 17, upper cover 3 outer walls are provided with material inlet 2 and heat transferring medium outlet 20, low head 8 outer walls are provided with discharge gate 10 and gas access 12, and the gas distributor of being located under the main agitator 9 13 is connected with gas access 12.
The shape of described heat exchange plate 5 has specific radius of curvature, and heat exchange plate 5 α, radial mode at a certain angle is distributed on around the central shaft of cylindrical shell 6.
Described heat exchange plate 5 distribution angle α are 20 °～60 °.
Described heat exchange plate 5 is provided with two groups of heat exchanging medium passage groups 25, is provided with 2 heat exchanging medium passages 24 in each heat exchanging medium passage group 25.
The cross section of described heat exchanging medium passage 24 is a rhombus.
Be provided with space 23 between the described heat exchanging medium passage group 25.
The effect of main agitator 9 is to make fluid along cylindrical shell 6 Radial Flow, forms radial flow; And secondary agitator 15 flows downward along cylindrical shell 6 axis, forms axial flow.Heat transferring medium enters heat transferring medium inlet ring pipes 16 in the cylindrical shell 6 by heat transferring medium inlet 4, and further be assigned in each heat exchange plate 5, heat transferring medium flows downward along cylindrical shell 6 axis in heat exchange plate 5 separately, and in the bottom of heat exchange plate 5 radially baffling upwards flow along cylindrical shell 6 axial directions again, above heat exchange plate 5, enter heat transferring medium outlet ring pipe 18, and then export 20 outflow reactors by heat transferring medium.
The fixed form of heat exchange plate 5 in cylindrical shell 6, its upper end is fixed by two parts, and one is that heat transferring medium inlet ring pipe 16 and heat transferring medium export ring pipe 18 as fixed form; Its two for heat exchange plate 5 with cylindrical shell radially, its outer rim is fixed by the heat exchange plate outer rim retainer plate 22 that fixture 14 is fixed on cylindrical shell 6 inwalls, its inner rim is fixed by being positioned at heat exchange plate inner edge retainer plate 21.The lower end of heat exchange plate 5 fixedly be that above-described " its two " method is fixed, and be connected with heat exchange plate outer rim retainer plate 22 by gusset 7 at its lower end heat exchange plate inner edge retainer plate 21.This fixed form of heat exchange plate 5 can strengthen its intensity, satisfies better that agitator exists and the fluid that causes strong radial and axial mobile.
Low head 8 places at cylindrical shell 6 have designed gas access 12, and gas can be entered by gas access 12 and be positioned at reactor lower part and gas distributor 13 under main agitator 9, thereby enters in the reactor.
See Fig. 2,3, the radial arrangement mode of heat exchange plate 5 in reactor shell 6, the inner edge of heat exchange plate 5 contacts with inner edge retainer plate 21, by being the α angle between tangent line on the heat exchange plate 5 of this contact point and cylindrical shell 6 diameters by this contact point, angle [alpha] can be adjusted between 20 °～60 °; Fluid radial flow direction in the direction of angle [alpha] and the cylindrical shell 6 is consistent.
See Fig. 4, heat transferring medium enters heat exchange plate 5 by inlet interface channel 4a, and is flowed out by outlet interface channel 20a, has represented heat transferring medium a kind of type of flow (U-shaped) and flow direction thereof in heat exchange plate 5 among the figure.
See Fig. 5,6, heat exchange plate 5 is provided with two groups of heat exchanging medium passage groups 25, contain two heat exchanging medium passages 24 in each heat exchanging medium passage group 25, and the cross section of heat exchanging medium passage 24 is a rhombus.Heat exchange plate 5 leaves certain space 23 between two heat exchanging medium passage groups 25, purpose is that the material in the reactor is passed through, and reduces flow resistance in the reactor shell 6, and helps the quick of cylindrical shell 6 interior each phase materials and fully mix.
Embodiment 2: with embodiment 1, be that described shaft 19 is provided with 3 agitators, described heat exchange plate 5 is provided with 3 groups of heat exchanging medium passage groups 25, is provided with 3 passages 24 in each heat exchanging medium passage group 25.
The above only is preferred embodiment of the present invention, in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. novel heterogeneous stirred reactor, comprise cylindrical shell (6), upper cover (3) is connected with cylindrical shell (6) by flange respectively with low head (8), cylindrical shell (6) center is provided with shaft (19), transmission mechanism (1) is located at the top of upper cover (3) and is connected with shaft (19), supporting mechanism (11) is located at the bottom of low head (8) and is connected with shaft (19), it is characterized in that: described shaft (19) is provided with at least two agitators, promptly main agitator (9) and secondary agitator (15), be provided with the heat exchanger package that a plurality of heat exchange plates (5) are formed in the described cylindrical shell (6), heat transferring medium inlet ring pipe (16) and heat transferring medium outlet ring pipe (18), heat transferring medium inlet ring pipe (16) is connected with heat exchange plate (5) by inlet interface channel (4a), heat transferring medium outlet ring pipe (18) is connected with heat exchange plate (5) by outlet interface channel (20a), cylindrical shell (6) outer wall is provided with heat transferring medium inlet (4) and material outlet (17), upper cover (3) outer wall is provided with material inlet (2) and heat transferring medium outlet (20), low head (8) outer wall is provided with discharge gate (10) and gas access (12), and the gas distributor of being located under the main agitator (9) (13) is connected with gas access (12).
2. a kind of novel heterogeneous stirred reactor as claimed in claim 1 is characterized in that the shape of described heat exchange plate (5) has specific radius of curvature, and heat exchange plate (5) α, radial mode at a certain angle is distributed on around the central shaft of cylindrical shell (6).
3. a kind of novel heterogeneous stirred reactor as claimed in claim 1 or 2 is characterized in that described heat exchange plate (5) distribution angle α is 20 °～60 °.
4. a kind of novel heterogeneous stirred reactor as claimed in claim 1 or 2 is characterized in that described heat exchange plate (5) is provided with at least two group heat exchanging medium passage groups (25), is provided with 2-3 heat exchanging medium passage (24) in each heat exchanging medium passage group (25).
5. a kind of novel heterogeneous stirred reactor as claimed in claim 4, the cross section that it is characterized in that described heat exchanging medium passage (24) is a rhombus.
6. a kind of novel heterogeneous stirred reactor as claimed in claim 4 is characterized in that being provided with between the described heat exchanging medium passage group (25) space (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101128899A CN102247792A (en) | 2011-04-30 | 2011-04-30 | Novel polyphase stirred reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101128899A CN102247792A (en) | 2011-04-30 | 2011-04-30 | Novel polyphase stirred reactor |
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| CN102247792A true CN102247792A (en) | 2011-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128133A (en) * | 2014-07-10 | 2014-11-05 | 中国化学赛鼎宁波工程有限公司 | Swept-back high-efficiency hot-plate diversion rectification multiphase reaction kettle |
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| CN1314421A (en) * | 2000-03-21 | 2001-09-26 | 青岛海晶化工集团有限公司 | Medium size polymerizing still for suspension polymerizing vinyl chloride and relevant polymerization process |
| EP1304159A1 (en) * | 2001-10-19 | 2003-04-23 | Methanol Casale S.A. | Method and reactor for carrying out chemical reactions in pseudo-isothermal conditions |
| CN1498199A (en) * | 2001-11-11 | 2004-05-19 | �״� | Process and plant for heterogeneous synthesis of chemical compounds |
| US7055583B2 (en) * | 2001-10-19 | 2006-06-06 | Methanol Casale S.A. | Heat exchange unit for isothermal chemical reactors |
| CN101234318A (en) * | 2007-11-09 | 2008-08-06 | 中国石化仪征化纤股份有限公司 | Bubble tower reactor with 'gas-liquid' dispersion mixing device |
| US20100303682A1 (en) * | 2007-11-26 | 2010-12-02 | Methanol Casale S.A. | Chemical Reactor with Plate Type Heat Exchange Unit |
| CN202105652U (en) * | 2011-04-30 | 2012-01-11 | 甘肃银光聚银化工有限公司 | Novel multi-phase stirring reactor |
-
2011
- 2011-04-30 CN CN2011101128899A patent/CN102247792A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314421A (en) * | 2000-03-21 | 2001-09-26 | 青岛海晶化工集团有限公司 | Medium size polymerizing still for suspension polymerizing vinyl chloride and relevant polymerization process |
| EP1304159A1 (en) * | 2001-10-19 | 2003-04-23 | Methanol Casale S.A. | Method and reactor for carrying out chemical reactions in pseudo-isothermal conditions |
| US7055583B2 (en) * | 2001-10-19 | 2006-06-06 | Methanol Casale S.A. | Heat exchange unit for isothermal chemical reactors |
| CN1498199A (en) * | 2001-11-11 | 2004-05-19 | �״� | Process and plant for heterogeneous synthesis of chemical compounds |
| CN101234318A (en) * | 2007-11-09 | 2008-08-06 | 中国石化仪征化纤股份有限公司 | Bubble tower reactor with 'gas-liquid' dispersion mixing device |
| US20100303682A1 (en) * | 2007-11-26 | 2010-12-02 | Methanol Casale S.A. | Chemical Reactor with Plate Type Heat Exchange Unit |
| CN202105652U (en) * | 2011-04-30 | 2012-01-11 | 甘肃银光聚银化工有限公司 | Novel multi-phase stirring reactor |
Non-Patent Citations (1)
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| 陈志平等: "《搅拌与混合设备设计选用手册》", 30 April 2004, article "搅拌设备传热元件设计", pages: 180-182 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128133A (en) * | 2014-07-10 | 2014-11-05 | 中国化学赛鼎宁波工程有限公司 | Swept-back high-efficiency hot-plate diversion rectification multiphase reaction kettle |
| CN104128133B (en) * | 2014-07-10 | 2016-04-13 | 中国化学赛鼎宁波工程有限公司 | Swept-back efficient hot plate water conservancy diversion rectification heterogeneous reaction still |
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Application publication date: 20111123 |