CN206661154U - A kind of device of iminodibenzyl dehydrogenation production iminostilbene - Google Patents
A kind of device of iminodibenzyl dehydrogenation production iminostilbene Download PDFInfo
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- CN206661154U CN206661154U CN201720278815.5U CN201720278815U CN206661154U CN 206661154 U CN206661154 U CN 206661154U CN 201720278815 U CN201720278815 U CN 201720278815U CN 206661154 U CN206661154 U CN 206661154U
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- iminostilbene
- iminodibenzyl
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- dehydrogenation
- catalytic bed
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Abstract
The utility model discloses a kind of device of iminodibenzyl dehydrogenation production iminostilbene, its drip irrigation device is the feed arrangement for including being sequentially communicated, steam heater, catalytic bed, drainer and knockout drum, the catalytic bed includes material inlet and material outlet, the first material dispersion plate that material passes through successively is provided with the catalytic bed, catalyst layer, packing layer and screen layer, several holes that the first material dispersion plate includes the fixed plate being arranged in catalytic bed and is arranged in fixed plate, the material inlet is arranged to pyramidal structure, the larger one end of the pyramidal structure is close to fixed plate.It is more uniform that the first material dispersion plate and second material dispersion plate of setting enable to material to be distributed, and the degree that then catalytic dehydrogenation is carried out is higher, then the purity of the finished product generated is also just higher.
Description
Technical field
Dehydrogenation facilities field is the utility model is related to, more particularly to a kind of dress of iminodibenzyl dehydrogenation production iminostilbene
Put.
Background technology
Iminostilbene is the important intermediate for synthesizing carbamazepine and O'Casey equality neurological drug.Iminostilbene
Synthetic method have a lot, it is industrial at present mainly using bromination method production iminostilbene, relative to traditional bromination method, imido
Base dibenzyl vapor catalytic dehydrogenation iminostilbene technology, there is technological process is short, by-product species are few, product quality is high etc.
Advantage, there is very high potential using value.
The production process of existing iminodibenzyl dehydrogenation production iminostilbene includes the 1, imino-diacetic by solid successively
Benzyl raw material is tentatively preheated to molten condition；The raw material of molten after preheating, to catalytic bed, is urged by pipeline being delivered to
Heated during changing bed by 500 DEG C or so of steam, and catalytic bed, Ran Hou are delivered under the motive force of steam
Iminostilbene is generated at catalytic bed after dehydrogenation, the iminostilbene material of generation reaches drainer and cooled down, the material after cooling
Reach knockout drum to be separated, obtained upper liquid is iminostilbene.
Due to being pipeline during steam pushes to fluid bed, then steam can compare concentration and form one,
The material that then steam conveys during catalytic dehydrogenation will major part certain part for concentrating on catalytic bed, exist point
The uneven phenomenon of cloth, so during catalytic dehydrogenation, the material portion few compared with material compared with the dehydrogenation effect of the part of concentration
The catalytic dehydrogenation effect divided is weak, then the product generated might have more accessory substance.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of iminodibenzyl dehydrogenation production
The device of iminostilbene, material can be uniformly dispersed open, the product quality after catalytic dehydrogenation is high-quality, and accessory substance is less.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of device of iminodibenzyl dehydrogenation production iminostilbene, including the feed arrangement, the steam that are sequentially communicated heat
Device, catalytic bed, drainer and knockout drum, the catalytic bed include material inlet and material outlet, set in the catalytic bed
It is equipped with first material dispersion plate, catalyst layer, packing layer and screen layer that material passes through successively, the first material dispersion plate bag
Several holes for including the fixed plate being arranged in catalytic bed and being arranged in fixed plate, the material inlet are arranged to taper
Structure, the larger one end of the pyramidal structure is close to fixed plate.
Pass through above-mentioned technical proposal, raw material carry out being thermally formed molten first in feed arrangement, are then filled in pumping
It is delivered in the presence of putting at steam heater, in the presence of steam, on the one hand continues to heat, on the other hand in steam
The lower push raw material of pressure effect enters, then the taper knot at material inlet to catalytic bed at catalytic bed from material inlet
The mixing of material is realized at structure, then catalyst layer is reached through the hole on first material dispersion plate, disperses by first material
The material of plate uniformly can be scattered on catalyst layer, avoid into the steam of stock and showing for catalyst localized contact to a certain extent
As occurring, the effect of excellent catalytic dehydrogenation is so can be realized as, then the material after catalytic dehydrogenation is successively by filling out
Discharged after the bed of material, screen layer by material outlet, the setting of packing layer can play certain Zhi Zuoyong that holds to catalyst, set
Screen layer can effectively avoid packing layer pass through material outlet discharge phenomenon.
The utility model is further arranged to：The catalyst layer is arranged to two layers, and is provided between the catalyst layer
Two material dispersion plates.
Pass through above-mentioned technical proposal, the catalyst of setting is two layers, enables to dehydrogenase/reductase to carry out more thorough, then
The product quality of generation will be more high-quality.
The utility model is further arranged to：The second material dispersion plate is arranged to horn-like, and the horn mouth deviates from
Material inlet, closed plate is provided with the horn mouth, material through hole is evenly equipped with the closed plate and bell-mouthed side wall.
Pass through above-mentioned technical proposal, second material dispersion plate is arranged to horn-like, and closed plate is provided with horn mouth,
Material through hole is provided with closed plate and horn-like side wall, so passes through the material of catalyst layer of first layer in second material
Dispersion plate goes out to realize a process concentrated and mixed, and the material after then mixing can be reached at next layer of catalyst layer,
Then the material of non-dehydrogenation continues dehydrogenation, by second layer catalyst layer material last with by discharging at material outlet,
So that the process progress of catalytic dehydrogenation is more thorough.
The utility model is further arranged to：Described filler layer is arranged to some inert ceramic balls uniformly laid.
Pass through above-mentioned technical proposal, inert ceramic balls are widely used in petroleum chemical industry, environmental protection and Gas Industry, and
Play a part of Support cover guard catalyst in reactor, the spy with high intensity, high chemical stability and heat endurance
Property, inert ceramic balls can be urged with the corrosion of high temperature resistant, high pressure and acid, alkali, salt and various organic solvents so holding branch with inert ceramic balls
Agent layer using effect is excellent.
The utility model is further arranged to：The drainer be arranged to the accommodating reaction solution of internal layer the first storage cavity and
The cooling chamber of the accommodating coolant of the first storage cavity outer layer is arranged on, the feed arrangement is arranged to and steam heater pipeline
The heating tank of connection, the heating tank include the second storage cavity and outer layer heating chamber of internal layer, the heating chamber and cooling chamber
Between be connected with coolant duct.
Pass through above-mentioned technical proposal, the material discharged by material outlet can reach the first discharging by pipeline asks, and first
Material in storage cavity cools down in cooling chamber in the presence of coolant, and then coolant can absorb substantial amounts of heat, then inhale
Receive in the coolant arrival heating chamber of heat and the material of solid-state is heated, be so achieved that the reasonable utilization of energy, so
Afterwards because coolant recycles, then the coolant in heating chamber may proceed to outflow reached after apparatus for supercooling cools down it is cold
But the material after catalytic dehydrogenation is cooled down in chamber, then the sufficiently effective utilization of the energy is realized during being somebody's turn to do, is reduced
The waste of the energy.
The utility model is further arranged to：Electrical heating wire is provided with the second storage cavity side wall.
Pass through above-mentioned technical proposal, the electrical heating wire of setting can play the action effect of auxiliary heating, in the life of reality
The heat of coolant institute band can not cause material melts in production, then the heater strip set can aid in heating so that temperature reaches
Altogether within the temperature range of material melts.
The utility model is further arranged to：Charging aperture is provided with the second storage cavity side wall, is provided with bottom
Discharging opening, temperature sense rod is provided with the charging aperture.
Pass through above-mentioned technical proposal, the temperature sense rod of setting can measure the temperature in the second storage cavity, to adjust
In electrical heating wire temperature to rational scope.
The utility model is further arranged to：Agitating paddle is vertically arranged with second storage cavity.
Pass through above-mentioned technical proposal, due to being that the material of solid-state is thermally formed into molten in production process, so setting
Agitating paddle enable to the effect of heating more uniform, effectively avoid the generation for the side reaction that local heating pot results in.
In summary, the utility model having the beneficial effect that in contrast to prior art：
1st, the first material dispersion plate and second material dispersion plate set enables to material to be distributed more uniform, then
The degree that catalytic dehydrogenation is carried out is higher, then the quality of the finished product generated is just more high-quality；
2nd, the heat of coolant in the cooling chamber of cooling tube is used on heating tank be used for the material for heating solid-state, realized
The reasonable effective energy consumption for utilizing, reducing loss and the heating of heat of energy.
Brief description of the drawings
Fig. 1 is the overall structure figure of embodiment；
Fig. 2 is the sectional structure chart of the catalytic bed of embodiment, it is intended to represents the internal structure distribution of catalytic bed；
Fig. 3 is the heating tank of embodiment and the annexation figure of drainer.
Reference：1st, feed arrangement；11st, heating tank；111st, the second storage cavity；1111st, charging aperture；1112nd, discharging opening；
112nd, heating chamber；113rd, electrical heating wire；114th, temperature sense rod；115th, agitating paddle；2nd, steam heater；3rd, catalytic bed；31、
Material inlet；32nd, material outlet；33rd, first material dispersion plate；34th, catalyst layer；35th, packing layer；36th, screen layer；37th, it is solid
Fixed board；371st, hole；38th, second material dispersion plate；381st, closed plate；382nd, material through hole；4th, drainer；41st, the first storing
Chamber；42nd, cooling chamber；43rd, coolant duct；5th, knockout drum.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of device of iminodibenzyl dehydrogenation production iminostilbene, as shown in figure 1, including the feed arrangement being sequentially communicated
1st, steam heater 2, catalytic bed 3, drainer 4 and knockout drum 5, feed arrangement 1 are arranged to heating tank 11, and heating tank 11 is with steaming
Vapour heater 2 is connected by pipeline, and force (forcing) pump is provided with pipeline, and steam heater 2 is arranged to plunger pump pressurizer,
Then steam output pipe is provided with plunger pump pressurizer, then material is connected with steam output pipe by pipeline and realizes thing
The mixing of material and steam, steam continue to heat to material, then push material to catalytic bed under the pressure effect of steam
3, iminostilbene is generated after the catalytic dehydrogenation of catalytic bed 3, then iminostilbene reaches is condensed in drainer, after condensation
Material realize organic phase and inorganic phase separation through knockout drum 5, collect organic phase product.
As shown in Fig. 2 catalytic bed 3 includes material inlet 31 and material outlet 32, material is provided with catalytic bed 3 successively
First material dispersion plate 33, catalyst layer 34, packing layer 35 and the screen layer 36 of process, catalyst layer 34 are arranged to two layers, filled out
The bed of material 35 is arranged to some inert ceramic balls uniformly laid, and is then provided with second material dispersion plate 38 between catalyst layer 34, its
In, first material dispersion plate 33 includes the fixed plate 37 being arranged in fluid bed and several holes being arranged in fixed plate 37
Gap 371, material inlet 31 are arranged to pyramidal structure, and the larger one end of pyramidal structure is close to first material dispersion plate 33, the second thing
Material dispersion plate 38 is arranged to horn-like, and horn mouth deviates from material inlet 31, and closed plate 381, closed plate 381 are provided with horn mouth
And material through hole 382 is distributed with bell-mouthed side wall, so the material after the first demarcation strip can be in catalyst layer
It is evenly distributed in 34, then the material after one layer of catalyst layer 34 causes after the effect of second material dispersion plate 38
Material is well mixed, and is then further continued for the catalyst layer 34 by next layer, then dual catalyst layer 34 can be realized as taking off
Hydrogen reaction is more thorough.
As shown in figs. 1 and 3, the material by catalytic bed 3 is eventually discharged by material outlet 32, by pipeline extremely
Drainer 4, drainer 4 are arranged to the first storage cavity 41 of the accommodating reaction solution of internal layer and are arranged on the outer layer of the first storage cavity 41
The cooling chamber 42 of accommodating coolant, coolant is circularly set, and cooling liquid inlet is provided with cooling chamber 42 and coolant goes out
Mouthful, enter to that the coolant temperature of cooling chamber is relatively low by cooling liquid inlet, then relatively low temperature can absorb in cooling persistent erection
Heat causes the temperature in the first cooling chamber to reduce, and then absorbs the coolant temperature rise of heat, the higher coolant of temperature
Discharged through cooling liquid outlet, coolant is follow-up continuous through cooling liquid inlet arrival cooling chamber 42 through supercooling, so realizes circulation
Process.
As shown in figure 1, then to be that aqueous phase is organic mix the material after supercooling, so by the first storage after cooling
The material in chamber is expected by pipeline to knockout drum 5, and static rear organic phase is separated from the water, then collects organic phase and obtains into
Product.
As shown in figs. 1 and 3, need to heat material before material enters and mixed with steam, material is formed melting
Feed arrangement 1 is arranged to include the second of internal layer with the heating tank of heater pipeline communication 11, heating tank 11 by shape, dimension
Storage cavity 111 and outer layer heating chamber 112, heating chamber 112 are connected by coolant duct 43 with cooling liquid outlet, so just can
Coolant after absorption heat in cooling chamber 42 is delivered in heating chamber 112, material heated in heating chamber 112,
And coolant is circulation, so being provided with outlet in the side wall of heating chamber 112, then exist into the coolant of heating chamber 112
Exit is discharged by pipeline, and pipeline connects with cooling liquid inlet, is enabled in the middle of pipeline through apparatus for supercooling cold
But the temperature of liquid is down to than relatively low；Charging aperture 1111 is provided with the side wall of second storage cavity 111, is provided with discharging opening on bottom
1112, temperature sense rod 114 is provided with charging aperture 1111, is vertically arranged with agitating paddle 115 in the second storage cavity 111, then
Electrical heating wire 113 is provided with the side wall of second storage cavity 111, by the heat of coolant institute band can not sometimes make heating
Strong temperature reaches the temperature needed for material melts, so the point heater strip set can aid in heating so that raw materials melt is thorough
Bottom.
When the iminodibenzyl dehydrogenation production iminostilbene device when in use, first raw material is put into heating tank
Heat, connected after raw materials melt by pipeline to steam output pipe, steam output pipe with catalytic bed 3, by catalysis
Cooling tank is reached after 3 catalytic dehydrogenations of bed, knockout drum 5 is reached after cooling tube and is separated, organic phase is collected and obtains finished product iminostilbene.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (8)
1. a kind of device of iminodibenzyl dehydrogenation production iminostilbene, including the feed arrangement (1), the steam that are sequentially communicated heat
Device (2), catalytic bed (3), drainer (4) and knockout drum (5), it is characterized in that：The catalytic bed (3) includes material inlet
(31) first material dispersion plate (33), the catalysis that material passes through successively and material outlet (32), are provided with the catalytic bed (3)
Oxidant layer (34), packing layer (35) and screen layer (36), the first material dispersion plate (33), which includes, to be arranged in catalytic bed (3)
Fixed plate (37) and several holes (371) for being arranged in fixed plate (37), the material inlet (31) be arranged to taper
Structure, the larger one end of the pyramidal structure is close to fixed plate (37).
2. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 1, it is characterized in that：It is described to urge
Agent layer (34) is arranged to two layers, and second material dispersion plate (38) is provided between the catalyst layer (34).
3. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 2, it is characterized in that：Described
Two material dispersion plates (38) are arranged to horn-like, and the horn mouth deviates from material inlet (31), and envelope is provided with the horn mouth
Closing plate (381), material through hole (382) is evenly equipped with the closed plate (381) and bell-mouthed side wall.
4. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 1, it is characterized in that：It is described to fill out
The bed of material (35) is arranged to some inert ceramic balls uniformly laid.
5. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 1, it is characterized in that：It is described cold
Solidifying tank (4) is arranged to the first storage cavity (41) of the accommodating reaction solution of internal layer and is arranged on the accommodating of the first storage cavity (41) outer layer
The cooling chamber (42) of coolant, the feed arrangement (1) are arranged to and the heating tank of steam heater (2) pipeline communication
(11), the heating tank (11) includes the second storage cavity (111) and outer layer heating chamber (112) of internal layer, the heating chamber
(112) coolant duct (43) is connected between cooling chamber (42).
6. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 5, it is characterized in that：Described
Electrical heating wire (113) is provided with two storage cavitys (111) side wall.
7. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 6, it is characterized in that：Described
Charging aperture (1111) is provided with two storage cavitys (111) side wall, is provided with discharging opening (1112), the charging aperture on bottom
(1111) place is provided with temperature sense rod (114).
8. a kind of device of iminodibenzyl dehydrogenation production iminostilbene according to claim 6, it is characterized in that：Described
Agitating paddle (115) is vertically arranged with two storage cavitys (111).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720278815.5U CN206661154U (en) | 2017-03-21 | 2017-03-21 | A kind of device of iminodibenzyl dehydrogenation production iminostilbene |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720278815.5U CN206661154U (en) | 2017-03-21 | 2017-03-21 | A kind of device of iminodibenzyl dehydrogenation production iminostilbene |
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| CN206661154U true CN206661154U (en) | 2017-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111217751A (en) * | 2020-03-16 | 2020-06-02 | 浙江华洲药业有限公司 | Synthesis method of iminostilbene |
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2017
- 2017-03-21 CN CN201720278815.5U patent/CN206661154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111217751A (en) * | 2020-03-16 | 2020-06-02 | 浙江华洲药业有限公司 | Synthesis method of iminostilbene |
| CN111217751B (en) * | 2020-03-16 | 2021-06-08 | 浙江华洲药业有限公司 | Synthesis method of iminostilbene |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Imino group dibenzyl takes off hydrogen production iminostilbene's device Effective date of registration: 20200110 Granted publication date: 20171124 Pledgee: Industrial Commercial Bank of China Ltd Taizhou Jiaojiang branch Pledgor: ZHEJIANG HUAZHOU PHARMACEUTICALS CO., LTD. Registration number: Y2020330000025 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201126 Granted publication date: 20171124 Pledgee: Industrial Commercial Bank of China Ltd. Taizhou Jiaojiang branch Pledgor: ZHEJIANG HUAZHOU PHARMACEUTICALS Co.,Ltd. Registration number: Y2020330000025 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |