CN206492486U - Produce free-running assembled tube type scaling -up device - Google Patents
Produce free-running assembled tube type scaling -up device Download PDFInfo
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- CN206492486U CN206492486U CN201720128901.8U CN201720128901U CN206492486U CN 206492486 U CN206492486 U CN 206492486U CN 201720128901 U CN201720128901 U CN 201720128901U CN 206492486 U CN206492486 U CN 206492486U
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Abstract
Free-running assembled tube type scaling -up device is produced the utility model discloses one kind.The device includes stirred autoclave, the first shell and tube reactor and the second shell and tube reactor being sequentially connected in series and set location is reduced successively, the material of the stirred autoclave voluntarily flows into first shell and tube reactor by liquid level difference, first shell and tube reactor is connected with second shell and tube reactor by horizontal pipe, three constitutes U-shaped material channel, and liquid level of the liquid level higher than second shell and tube reactor of first shell and tube reactor.The utility model by the first shell and tube reactor, the second shell and tube reactor and horizontal pipe by constituting U-shaped logistics corridor, logistics is set to form periodic swinging flowing in the U-shaped logistics corridor, mass transfer and the heat exchange of tubular reactor are enhanced, makes material that there is preferably reaction and temperature control effect at low flow rates.
Description
Technical field
The utility model, which is related to, belongs to chemical reactor technical field, more particularly to a kind of free-running assembled tube type of generation
Scaling -up device.
Background technology
The reaction unit used at present has gap to react and tandem reaction sequence, in Batch reaction processes, raw material and urges
Agent is generally disposably to be added from tower reactor, and for gas phase reaction, this feed way can not ensure complete between raw material and catalyst
Full connected, and time of contact is short, feed stock conversion is low；It is how anti-using fixed bed reactors and tubular type in tandem reaction sequence
Device is answered, for liquid catalyst, inapplicable using fixed bed reactors, using tubular reactor, General reactions pipe is longer, low stream
Under speed, common tubular reactor easily deviates preferable tubular reactor, for exothermal reaction process, is difficult to control process temperature
Degree, is easily caused hot-spot, produces potential safety hazard；Under high flow rate, reaction tube is longer, and resistance is big, high energy consumption.
Utility model content
The utility model, which provides one kind, can be such that material is formed in the first shell and tube reactor and the second shell and tube reactor
The assembled tube type scaling -up device of periodic swinging flowing, enhances mass transfer and the heat exchange of tubular reactor, material is existed
There is preferably reaction and temperature control effect under low flow velocity.
To achieve the above object, the utility model proposes the free-running assembled tube type scaling -up device of generation, its
Including stirred autoclave, the first shell and tube reactor and the second tubular reaction being sequentially connected in series and set location is reduced successively
Device, the material of the stirred autoclave voluntarily flows into first shell and tube reactor, first shell and tube by liquid level difference
Reactor is connected with second shell and tube reactor by horizontal pipe, three's composition U-shaped material channel, and the first row
The highest liquid level of tubular reactor is higher than the highest liquid level of second shell and tube reactor.
It is preferred that, the stirred autoclave includes the kettle of tool receiving space, the feedstock located at the kettle top
Mouth, the circulation fluid outlet located at the kettle bottom and the overfall located at kettle bottom, the overfall and described first
The inlet of shell and tube reactor is connected and above first shell and tube reactor.
It is preferred that, first shell and tube reactor includes multiple first deflection plates for being used to reduce material back-mixing, described
The inlet of the reaction mass of first shell and tube reactor from superposed first shell and tube reactor enters shell side, from
Positioned at the liquid outlet outflow of the second shell and tube reactor of bottom, reaction mass forms folding in the presence of first deflection plate
Stream or screw.
It is preferred that, the inlet positioned at second shell and tube reactor of bottom passes through the horizontal pipe and described the
The liquid outlet connection of one shell and tube reactor, second shell and tube reactor includes being used to reduce multiple the second of material back-mixing
Deflection plate, the inlet of reaction mass from second shell and tube reactor enters shell side, in the effect of second deflection plate
Lower formation baffling or screw, flow out from the liquid outlet of superposed second shell and tube reactor.
It is preferred that, in addition to storage tank, the liquid outlet of second shell and tube reactor and the entrance of the storage tank pass through pipe
Road is connected, and the entrance of the storage tank is less than the liquid outlet certain distance of second shell and tube reactor.
It is preferred that, the distance between liquid outlet of the entrance of the storage tank and second shell and tube reactor is described the
The 1/20~1/2 of two shell and tube reactor height.
It is preferred that, in addition to circulating pump and heat-exchanger rig, the circulation fluid outlet, the circulating pump, the heat-exchanger rig
And the material inlet is sequentially communicated, the material for exporting out from the circulation fluid is delivered to the heat exchange through the circulating pump
After device heat exchange the kettle is again introduced into from the material inlet.
It is preferred that, entrance of the reaction raw materials through the circulating pump is added.
It is preferred that, the heat-exchanger rig is the heat exchanger outside the kettle or the heat exchange for being arranged at the inner wall of kettle
Coil pipe or the heat exchanging interlayer for being arranged at the kettle outer wall.
The free-running assembled tube type scaling -up device of generation provided compared to prior art, the utility model, tool
There is following beneficial effect：First shell and tube reactor is connected with second shell and tube reactor by horizontal pipe, and three
Person constitutes a " u "-shaped material channel, and the liquid level of first shell and tube reactor is higher than second shell and tube reactor
Liquid level, to overcome material to flow into the flow resistance of second shell and tube reactor from first shell and tube reactor, when
When the liquid level of first shell and tube reactor reach a certain height, material is in superposed second shell and tube reactor
Liquid outlet flow velocity accelerate, when the liquid level of first shell and tube reactor is reduced to certain altitude, material is described first
The speed reduction flowed between shell and tube reactor and second shell and tube reactor so that first shell and tube reactor
Liquid level rise so that material automatically forms week between first shell and tube reactor and second shell and tube reactor
The Oscillation Flows of phase property, enhance the heat and mass transport of tubular reactor so that material has preferably reaction at low flow rates
With temperature control effect.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
The schematic diagram for the free-running assembled tube type scaling -up device of generation that Fig. 1 provides for the utility model；
First shell and tube of the free-running assembled tube type scaling -up device of generation that Fig. 2 provides for the utility model is anti-
Answer the structural representation of device；
Second shell and tube of the free-running assembled tube type scaling -up device of generation that Fig. 3 provides for the utility model is anti-
Answer the structural representation of device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the present embodiment indicates that (such as up, down, left, right, before and after ...) is only used for solution
Relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc. are released, if this is specific
When posture changes, then directionality indicates also correspondingly therewith to change.
In addition, and can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", a this feature can be expressed or be implicitly included to the feature of " second ".In description of the present utility model, " multiple "
It is meant that two, such as two, three etc., unless otherwise specifically defined.
Referring to Fig. 1, the signal of the free-running assembled tube type scaling -up device of generation provided for the utility model
Figure.The free-running assembled tube type scaling -up device 100 of generation that the utility model is provided includes being sequentially connected in series and setting position
Put the stirred autoclave 10 reduced successively, the first shell and tube reactor 30, the second shell and tube reactor 50 and reaction product storage
Groove 60.The material of the stirred autoclave 10 voluntarily flows into first shell and tube reactor 30 through liquid level difference.The first row
Tubular reactor 30 is connected with second shell and tube reactor 50 by horizontal pipe 90, three's composition U-shaped material channel, and
The liquid level of first shell and tube reactor 30 is higher than the liquid level of second shell and tube reactor 50, to overcome material from described
First shell and tube reactor 30 flows into the flow resistance of second shell and tube reactor 50.Second shell and tube reactor 50 is most
High level is higher than the entrance of the reaction product storage tank 60.
The stirred autoclave 10 includes kettle 11, the material inlet located at the top of kettle 11 of tool receiving space
13rd, the circulation fluid located at the bottom of kettle 11 exports 15 and the overfall 17 located at kettle bottom.Reaction raw materials are described in
Material inlet 13 enters the kettle 11, needs the material of circular response to be exported from institute's circulation fluid after 15 outflows are handled through heat exchange again
Return to the kettle 11.The overfall 17 is connected with first shell and tube reactor 30, is flowed out from the overfall 17
Material voluntarily flows into first shell and tube reactor 30 by liquid level difference.
Further, it is described produce free-running assembled tube type scaling -up device 100 also include circulating pump 70 and
Heat-exchanger rig 80, described one end of circulating pump 70 connects the circulation fluid outlet 15, and the other end is connected with the heat-exchanger rig 80.Instead
Answer raw material to be delivered to the entrance of circulating pump 70 by feedstock pipeline 20, reaction raw materials and come out from circulation fluid outlet 15
Material mixing after together through the heat-exchanger rig 80 exchange heat after, again from the material inlet 13 enter kettle 11.
In the present embodiment, the heat-exchanger rig 80 is the heat exchanger being arranged at outside the reactor 10, in other implementations
In example, or the setting heat exchange coil in the inwall of the kettle 11 or the outer wall in the kettle 11 set heat exchange folder
Layer, 15 material out is exported for the processing that exchanges heat from the circulation fluid.
First shell and tube reactor 30 includes the first reactor cylinder 31 of tool receiving space, is respectively arranged on described the
First upper cover 32 and the first low head 33 at the two ends of one reactor shell 31 and it is fixed on the first reactor cylinder 31
Multiple first tubulations 34.First upper cover 32 is arranged at the upper end of first reactor cylinder 31, first low head
33 are arranged at the lower end of first reactor cylinder 31.
The inlet 35 and liquid outlet 36 of first shell and tube reactor 30 passed in and out for reaction mass are set respectively
In the upper and lower part of the first reactor cylinder 31, and positioned at the opposite side of the first reactor cylinder 31, reactant
Material is in shell fluid flow.The inlet 35 of first shell and tube reactor 30 is connected with the overfall 17, and the overfall
17 are higher than the certain distance of the first shell and tube reactor 30, to form liquid level difference, material is voluntarily flowed into first tubulation
The inlet 35 of formula reactor 30.The heat exchange medium of first shell and tube reactor 30 passed in and out for heat exchange medium
Import 37 is respectively arranged at the bottom of first low head 33 and the top of first upper cover 32, heat exchange with outlet 38
Medium flows in first tubulation 34.
Referring to Fig. 2, the first of the free-running assembled tube type scaling -up device of generation provided for the utility model
The structural representation of shell and tube reactor.It is preferred that, first shell and tube reactor 30 also includes being used to reduce described first
Multiple first deflection plates 311 of material back-mixing in reactor shell 31.The reaction mass of first shell and tube reactor 30 is certainly
The inlet 35 of superposed first shell and tube reactor 30 enters shell side, from the second tubular reaction for being located at bottom
The liquid outlet 36 of device flows out, and reaction mass forms baffling or screw in the presence of first deflection plate 311.
In the present embodiment, the set-up mode of first deflection plate 311 is as follows：The vertical institute of first deflection plate 311
State the first tubulation 34 to set, two adjacent first deflection plates 311 are individually fixed in relative side wall, in first folding
The through hole through first tubulation 34 is offered on stream plate 311.Certainly, the shape of first deflection plate 311 and setting shape
Formula is not limited, as long as it is of the present utility model that it, which can play a part of reducing material back-mixing in the first reactor cylinder 31,
Objective.
Fig. 3 is please referred to, the free-running assembled tube type scaling -up device of generation provided for the utility model
The structural representation of second shell and tube reactor.Second shell and tube reactor 50 includes the second reactor of tool receiving space
Cylinder 51, the second upper cover 52 and the second low head 53 that are respectively arranged on the two ends of second reactor cylinder 51 and it is fixed on
Multiple second tubulations 54 of the second reactor cylinder 51.Second upper cover 52 is arranged at the second reactor cylinder
51 upper ends, second low head 53 is arranged at the lower end of second reactor cylinder 51.
The inlet 55 and liquid outlet 56 of second shell and tube reactor 50 passed in and out for reaction mass are set respectively
In the bottom and top of the second reactor cylinder 51, and the opposite side of the second reactor cylinder 51 is divided into, reacted
Material is in shell fluid flow.The inlet 55 of second shell and tube reactor 50 passes through horizontal pipe 90 and first shell and tube
The liquid outlet 36 of reactor 30 is connected, i.e., inlet 55 and first tubular reaction of described second shell and tube reactor 50
The liquid outlet 36 of device 30 is located at same level height.The first reactor cylinder 31, the second reactor cylinder 51 and institute
State the three of horizontal pipe 90 and constitute a U-shaped logistics corridor, when the liquid level of first shell and tube reactor 30 reaches certain height
When spending, material is accelerated in the flow velocity of liquid outlet 56 of second shell and tube reactor 50, when first shell and tube reactor 30
Liquid level when being reduced to certain altitude, material first shell and tube reactor 30 and second shell and tube reactor 50 it
Between flow speed reduction, due to siphon principle, the liquid level of first shell and tube reactor 30 can be less than the secondary series
The highest liquid level of tubular reactor 50, but higher than the liquid level of the entrance 61 of storage tank 60.At this moment siphonage stops, and material enters storage tank
60 flow velocity reduces or causes moment to stop, and the material parts of second shell and tube reactor 50 return to first shell and tube
Reactor 30.Because reaction mass constantly flows into first shell and tube reactor 30 so that first shell and tube reactor
30 liquid level rise, so that material is automatic between first shell and tube reactor 30 and second shell and tube reactor 50
Periodic Oscillation Flows are formed, the heat and mass transport of tubular reactor is enhanced so that material has preferable at low flow rates
Reaction and temperature control effect.
The import 57 of the heat exchange medium of second shell and tube reactor 50 is respectively arranged at described second with outlet 58
The top of upper cover 52 and the bottom of second low head 53, heat exchange medium flow in second tubulation 54.
Second shell and tube reactor 50 equally includes being used to reduce material back-mixing in the second reactor cylinder 51
Multiple second deflection plates 511.Its set-up mode is set with the first deflection plate 311 in first shell and tube reactor 30
Put.Reaction mass is flowed into from the inlet 55 for second shell and tube reactor 50 for being located at bottom enters shell side, described the
Baffling or screw are formed in the presence of two deflection plates 511, from going out for superposed second shell and tube reactor 50
Liquid mouthful 56 flows out.
The entrance 61 of the storage tank 60 is connected with the liquid outlet 56 of second shell and tube reactor 50 by pipeline, and institute
The entrance 61 for stating storage tank 60 is less than the certain distance of liquid outlet 56 of second shell and tube reactor 50.
It is preferred that, the distance between liquid outlet 56 of the entrance 61 of the storage tank 60 and second shell and tube reactor 50
For the 1/20~1/2 of the height of the second shell and tube reactor 50.
In the present embodiment, the stirred autoclave 10, the first shell and tube reactor 30, the second shell and tube reactor 50 are equal
Temperature detector is provided with, the stirred autoclave 10 is additionally provided with liquid level detector.
The free-running assembled tube type scaling -up device of generation that the utility model is provided, has the advantages that：
The inlet 55 of the liquid outlet 36 of first shell and tube reactor 30 and second shell and tube reactor 50 passes through horizontal tube
Road 90 is connected, and three constitutes a " u "-shaped material channel, and the liquid level of first shell and tube reactor 30 is higher than described second
The liquid level of shell and tube reactor 50, to overcome material to flow into second tubular reaction from first shell and tube reactor 30
The flow resistance of device 50, when the liquid level of first shell and tube reactor 30 reach a certain height, material is in the secondary series
The flow velocity of liquid outlet 56 of tubular reactor 50 is accelerated, when the liquid level of first shell and tube reactor 30 is reduced to certain altitude
When, the speed reduction that material flows between first shell and tube reactor 30 and second shell and tube reactor 50 makes
The liquid level rise of first shell and tube reactor 30 is obtained, so that material is in first shell and tube reactor 30 and described second
Periodic Oscillation Flows are automatically formed between shell and tube reactor 50, the mass transfer for enhancing tubular reactor exchanges heat with passing, and makes
Obtain material has preferably reaction and temperature control effect at low flow rates.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. one kind produces free-running assembled tube type scaling -up device, it is characterised in that it includes being sequentially connected in series and set
Stirred autoclave, the first shell and tube reactor and the second shell and tube reactor that position is reduced successively, the stirred autoclave
Material voluntarily flows into first shell and tube reactor, first shell and tube reactor and second tubulation by liquid level difference
Formula reactor is connected by horizontal pipe, three's composition U-shaped material channel, and the highest liquid level of first shell and tube reactor
Higher than the highest liquid level of second shell and tube reactor.
2. according to claim 1 produce free-running assembled tube type scaling -up device, it is characterised in that described to stir
Mix kettle of the reactor including tool receiving space, the material inlet located at the kettle top, located at the kettle bottom
Circulation fluid is exported and the overfall located at kettle bottom, and the inlet of the overfall and first shell and tube reactor connects
Lead to and above first shell and tube reactor.
3. according to claim 2 produce free-running assembled tube type scaling -up device, it is characterised in that described the
One shell and tube reactor includes multiple first deflection plates for being used to reduce material back-mixing, the reaction of first shell and tube reactor
The inlet of material from superposed first shell and tube reactor enters shell side, anti-from the second shell and tube for being located at bottom
The liquid outlet of device is answered to flow out, reaction mass forms baffling or screw in the presence of first deflection plate.
4. according to claim 3 produce free-running assembled tube type scaling -up device, it is characterised in that under being located at
The inlet of second shell and tube reactor in portion goes out liquid by the horizontal pipe and first shell and tube reactor
Mouthful connection, second shell and tube reactor includes being used for reducing multiple second deflection plates of material back-mixing, and reaction mass is from institute
The inlet for stating the second shell and tube reactor enters shell side, and baffling or spiral fortune are formed in the presence of second deflection plate
It is dynamic, flowed out from the liquid outlet of superposed second shell and tube reactor.
5. according to claim 4 produce free-running assembled tube type scaling -up device, it is characterised in that also includes
Storage tank, the liquid outlet of second shell and tube reactor is connected with the entrance of the storage tank by pipeline, the entrance of the storage tank
Less than the liquid outlet certain distance of second shell and tube reactor.
6. according to claim 5 produce free-running assembled tube type scaling -up device, it is characterised in that the storage
The distance between liquid outlet of the entrance of groove and second shell and tube reactor is the second shell and tube reactor height
1/20~1/2.
7. according to claim 2 produce free-running assembled tube type scaling -up device, it is characterised in that also includes
Circulating pump and heat-exchanger rig, the circulation fluid outlet, the circulating pump, the heat-exchanger rig and the material inlet connect successively
Logical, the material for exporting out from the circulation fluid is delivered to after the heat-exchanger rig exchanges heat to enter from the raw material through the circulating pump
Material mouth is again introduced into the kettle.
8. according to claim 7 produce free-running assembled tube type scaling -up device, it is characterised in that reaction is former
Expect that the entrance through the circulating pump is added.
9. according to claim 7 produce free-running assembled tube type scaling -up device, it is characterised in that described to change
Hot charging is set to the heat exchanger outside the kettle or the heat exchange coil for being arranged at the inner wall of kettle or is arranged at the kettle
The heat exchanging interlayer of outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720128901.8U CN206492486U (en) | 2017-02-13 | 2017-02-13 | Produce free-running assembled tube type scaling -up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720128901.8U CN206492486U (en) | 2017-02-13 | 2017-02-13 | Produce free-running assembled tube type scaling -up device |
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| Publication Number | Publication Date |
|---|---|
| CN206492486U true CN206492486U (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720128901.8U Active CN206492486U (en) | 2017-02-13 | 2017-02-13 | Produce free-running assembled tube type scaling -up device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776376A (en) * | 2019-03-15 | 2019-05-21 | 湘潭大学 | Device and synthetic method of the continuous synthesis bromo- 2- of 4- to chloro- 5- trifluoromethyl pyrpole -3- nitrile |
-
2017
- 2017-02-13 CN CN201720128901.8U patent/CN206492486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776376A (en) * | 2019-03-15 | 2019-05-21 | 湘潭大学 | Device and synthetic method of the continuous synthesis bromo- 2- of 4- to chloro- 5- trifluoromethyl pyrpole -3- nitrile |
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