CN209292263U - A kind of consersion unit of hydrogen peroxide legal system propylene oxide - Google Patents
A kind of consersion unit of hydrogen peroxide legal system propylene oxide Download PDFInfo
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- CN209292263U CN209292263U CN201821367379.XU CN201821367379U CN209292263U CN 209292263 U CN209292263 U CN 209292263U CN 201821367379 U CN201821367379 U CN 201821367379U CN 209292263 U CN209292263 U CN 209292263U
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Abstract
This disclosure relates to a kind of consersion unit of hydrogen peroxide legal system propylene oxide, the consersion unit includes mixing and emulsifying device and plate-type reactor, hybrid component is provided in mixing and emulsifying device, propylene liguid and hydrogen peroxide can be mixed into emulsion, to improve hydrogen peroxide conversion ratio and propylene oxide selectivity.
Description
Technical field
This disclosure relates to hydrogen peroxide preparation technical field, and in particular, to a kind of reaction of hydrogen peroxide legal system propylene oxide
Equipment.
Background technique
Propylene oxide is the third-largest Organic chemical products that yield is only second to polypropylene and acrylonitrile in acryloyl derivative, main
It is used to produce unsaturated polyester resin, polyurethane, surfactant, fire retardant etc..
The production technology of propylene oxide has chlorohydrination and conjugated oxidation at present.When chlorohydrination synthesizing epoxypropane, equipment is rotten
Erosion is serious, consumes a large amount of chlorine, generates a large amount of waste water, waste residue, very big pollution is caused to environment, as environmental protection is wanted
The increasingly raising asked, the process route are gradually replaced by catalytic oxidation.
Conjugated oxidation is to generate propylene oxide and Organic Alcohol by organic hydroperoxide and propylene reaction.Although the technique gram
Take that chlorohydrination pollution is big, equipment has the shortcomings that corrosion, but the complex process, long flow path, the high requirements on the equipment, investment cost
It is high；And a large amount of joint product are generated, joint product are about 2.2 times of propylene oxide.
Using hydrogen peroxide as oxidant, methanol is solvent, is the synthesis of one step catalysis oxidation of catalyst by Titanium Sieve Molecular Sieve
Propylene oxide is the novel environment-friendly process for producing propylene oxide.The process has a mild condition, and process environment is friendly pollution-free etc. excellent
Point meets the requirement of Green Chemistry and atom economy idea of development.The technology foreign countries only have Ying Chuan group and BASF group to gather around
Have a mature industrialization technology, the country only in petrochemical industry independently possess the engineering technology, be completed at present gone into operation 100,000 tons/
Year commercial plant.
During hydrogen peroxide oxidation, some by-products such as formic acid, third are inevitably generated due to reaction hot spot etc.
Ketone etc. causes the conversion efficiency of hydrogen peroxide low, while propylene oxide selectively reduces, and wherein the conversion of hydrogen peroxide is to device
Safety is most important.
Utility model content
Purpose of this disclosure is to provide a kind of consersion units of hydrogen peroxide legal system propylene oxide.
To achieve the goals above, the disclosure provides a kind of consersion unit of hydrogen peroxide legal system propylene oxide, the reaction
Equipment includes mixing and emulsifying device and plate-type reactor；
The mixing and emulsifying device includes shell, the propylene liguid entrance being set on shell, dioxygen water inlet and emulsification
Liquid exports and is set to the propylene liguid in shell for mixing and emulsifying from propylene liguid entrance and comes from dioxygen water inlet
Hydrogen peroxide and by gained emulsion from emulsion outlet discharge hybrid component；
The plate-type reactor include shell and be set in shell and by the inner space of shell be divided into fluid every
The demarcation plate of exhausted cooling zone and reaction zone is provided with the reaction raw materials entrance being in fluid communication with the reaction zone on the shell
And reacting product outlet, the emulsion communication of the reaction raw materials entrance and the mixing and emulsifying device are described outer
It is additionally provided with the cooling fluid inlet being in fluid communication with the cooling zone on shell and cooling fluid exports.
Optionally, the hybrid component include the porous material layer being filled in the shell and pass through the porous material
The emulsification channel of layer, the emulsification channel and the emulsion communication；The propylene liguid entrance, dioxygen water inlet
One of with the emulsification channel without porous material layer in direct fluid communication, another one passes through the porous material layer and institute
State emulsification passage；Material in the porous material layer is oxide, macromolecule organic or metal powder.
Optionally, the cooling zone and reaction zone multiple, the adjacent reaction area that is that the demarcation plate as described in muti-piece is separated
Between separated by the cooling zone.
Optionally, the demarcation plate is corrugated plating, straight panel or arc panel, on the corrugated plating shape of ripple be circular arc,
Elliptic arc or polygon fold.
Optionally, the spacing range of adjacent separator plates is 1-30mm, preferably 2-8mm.
Optionally, the plate-type reactor be arranged in series it is multiple；
Pass through the mixing and emulsifying device stream between the reacting product outlet and reaction raw materials entrance of adjacent panel reactor
It is connected between body connection and/or the reacting product outlet and reaction raw materials entrance of adjacent panel reactor by heat exchanger fluid.
The disclosure also provides the technique for carrying out synthesizing epoxypropane using provided consersion unit, comprising:
By the mixed liquor and propylene liguid of hydrogen peroxide and methanol respectively from the dioxygen water inlet and liquid of mixing and emulsifying device
Propylene entrance is introduced into the hybrid component in mixing and emulsifying device and carries out mixing and emulsifying, obtains emulsion；
By gained emulsion by emulsion export and reaction raw materials entrance be introduced into the reaction zone of plate-type reactor and with
Catalyst contact in catalyst bed carries out oxidation reaction, obtains reaction product and draws from reacting product outlet.
Optionally, the aqueous hydrogen peroxide solution that hydrogen peroxide is 27.5-50 weight % in the mixed liquor of the hydrogen peroxide and methanol,
The weight ratio of the aqueous hydrogen peroxide solution, methanol and propylene liguid is 1:(3-7): (0.8-3)；
The catalyst is granulated, microspheroidal or coating shape, and the partial size of the granulated catalyst is 1-3mm, described
The partial size of micro-spherical catalyst is 5-200 μm, and the coating shape catalyst is to be bonded catalytic component by adhesive coated
Separation plate surface in the reaction region is formed；
The catalyst is titanium-silicon molecular sieve catalyst.
Optionally, the consersion unit includes two concatenated plate-type reactors；
It is flowed to according to reaction mass, the reaction condition of preceding plate-type reactor includes: that temperature is 35-75 DEG C, and pressure is
0.5-3.5MPa, pH value 5-7, the volume space velocity in terms of propylene are 0.3-3h-1；
The reaction condition of posterior plate-type reactor includes: that temperature is 50-100 DEG C, pressure 0.5-3.5MPa, and pH value is
6.5-8.5, the volume space velocity in terms of propylene are 0.3-3h-1。
Optionally, the technique further include: supplement propylene liguid into the posterior plate-type reactor, the liquid supplemented
The weight ratio of aqueous hydrogen peroxide solution is 0.5-10 in the mixed liquor of state propylene and the hydrogen peroxide and methanol.
Hydrogen peroxide conversion ratio and propylene oxide selectivity can be improved in the device and method of the disclosure.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of specific embodiment of disclosure consersion unit.
Fig. 2 is a kind of structural schematic diagram of specific embodiment of disclosure mixing and emulsifying device.
Fig. 3 is a kind of structural schematic diagram of specific embodiment of disclosure plate-type reactor.
Fig. 4 is a kind of structural schematic diagram of specific embodiment (cross section) of disclosure hybrid component.
Description of symbols
1 mixing and emulsifying device, 11 shell, 12 propylene liguid entrance
13 dioxygen water inlet, 14 emulsion exports 15 hybrid components
151 porous material layers 152 emulsify channel
2 plate-type reactor, 21 shell, 22 cooling zone
23 reaction zone, 24 demarcation plate, 25 reaction raw materials entrance
The outlet of 26 reacting product outlet, 27 cooling fluid inlet, 28 cooling fluid
29 thermocouple cannula port, 30 manhole, 31 porcelain layers of balls
32 catalyst beds
3 heat exchanger, 4 gas-liquid separator
200 propylene liguid of mixed liquor, 300 fixed gas of 100 hydrogen peroxide and methanol
400 separation products
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As shown in Figure 1-3, the disclosure provides a kind of consersion unit of hydrogen peroxide legal system propylene oxide, the consersion unit packet
Include mixing and emulsifying device 1 and plate-type reactor 2；The mixing and emulsifying device 1 includes shell 11, the liquid being set on shell 11
Propylene entrance 12, dioxygen water inlet 13 and emulsion export 14 and are set in shell 11 for mixing and emulsifying from liquid
Gained emulsion is simultaneously exported 14 rows from emulsion by the propylene liguid of propylene entrance 12 and hydrogen peroxide from dioxygen water inlet 13
Hybrid component 15 out；The plate-type reactor 2 include shell 21 and be set in shell 21 and by the inside of shell 21 sky
Between be divided into the cooling zone 22 of fluid isolation and the demarcation plate 24 of reaction zone 23, be provided on the shell 21 and the reaction zone
The 23 reaction raw materials entrances 25 and reacting product outlet 26 being in fluid communication, the reaction raw materials entrance 25 are filled with the mixing and emulsifying
1 14 fluid communication of emulsion outlet is set, is additionally provided with the cooling stream being in fluid communication with the cooling zone 22 on the shell 21
Body entrance 27 and cooling fluid outlet 28.
The consersion unit of the disclosure is provided with the mixing and emulsifying device that hydrogen peroxide and propylene liguid are carried out to mixing and emulsifying, can
To substantially reduce the generation for reacting hot spot in plate-type reactor, while the selectivity of the by-products such as formic acid and acetone is reduced, improved
Propylene oxide in products selectivity.
In the disclosure, emulsification is that a kind of liquid is evenly dispersed in immiscible another liquid with atomic droplet
Effect, the hybrid component can have diversified forms, such as may include for the mixed of mixes liquid propylene and hydrogen peroxide
Chamber, the emulsion tube being set in mixing chamber are closed, emulsification tube wall is provided with duct, can make the mixing from mixing chamber
Liquid emulsification is emulsion.
A kind of embodiment, as shown in Figure 2 and Figure 4, the hybrid component 15 are more in the shell 11 including being filled in
Porous materials layer 151 and across the emulsification channel 152 of the porous material layer 151, the emulsification channel 152 goes out with the emulsion
Mouth 14 is in fluid communication；One of the propylene liguid entrance 12, dioxygen water inlet 13 are with the emulsification channel 152 without porous
151 in direct fluid communication of material layer, another one are in fluid communication by the porous material layer 151 with the emulsification channel 152.?
In the embodiment, one of propylene liguid and hydrogen peroxide pass through from emulsification channel, and another one is after porous material layer
Generation fine droplet, which enters in emulsification channel, forms emulsion, and porous material layer internal fluid communication can have 200-800 μm
Duct, emulsification channel 152 internal diameter can be 3-5mm.Material in the porous material layer 151 can be oxide, height
Molecular organic or metal powder, oxide are, for example, aluminium oxide, ceramics etc., and macromolecule organic is, for example, resin, silica gel etc.,
Metal powder is, for example, iron, aluminium, copper etc..Duct in porous material layer can come from the internal gutter of material, be also possible to material
External duct is formed by between material particle.
In the disclosure, catalysis oxidation generate propylene oxide process be exothermic process, it is therefore desirable to by coolant liquid (such as
Water or conduction oil etc.) reaction mass in reaction zone is cooled down, to prevent the generation of hot spot.In order to improve cooling efficiency,
The cooling zone 22 and reaction zone 23 demarcation plate 24 as described in muti-piece separated it is multiple, between adjacent reaction area 23
It can be separated by the cooling zone 22, to make the similar micro- reaction channel for being formed to have refrigerating function of reaction zone, reaction
Catalyst bed 32 can be filled in area 23.The demarcation plate 24 can be corrugated plating, straight panel or arc panel, preferably ripple
Plate, to increase the heat transfer area of cooling zone and reaction zone, the shape of ripple can be circular arc, elliptic arc or more on the corrugated plating
Side shape fold.Different according to the catalyst for loading or coating in reaction zone, the spacing range of adjacent separator plates 24 can be 1-
30mm can also coat bonding on the demarcation plate of reaction zone and urge so as to loading catalyst bead as needed or microballoon
Agent layer, the preferably spacing range of adjacent separator plates 24 are 2-8mm, preferably coat bond catalysts on the demarcation plate of reaction zone
Layer.
In the disclosure, as shown in Figure 1, the plate-type reactor 2 can be arranged in series it is multiple；Adjacent panel reactor
It can be in fluid communication by the mixing and emulsifying device 1 between 2 reacting product outlet 26 and reaction raw materials entrance 25, and/or
It can be in fluid communication by heat exchanger 3 between the reacting product outlet 26 and reaction raw materials entrance 25 of adjacent panel reactor 2,
Between two plate-type reactors be arranged mixing and emulsifying device can be convenient by the propylene of supplement be passed through posterior plate-type reactor it
The preceding reaction product in preceding plate-type reactor is uniformly mixed, and heat exchanger is arranged between two plate-type reactors can control
Into the temperature of the reaction mass of posterior plate-type reactor.
As shown in Figure 1-3, the disclosure also provides and a kind of carries out synthesizing epoxy third using consersion unit provided by the disclosure
The technique of alkane, comprising: by the mixed liquor and propylene liguid of hydrogen peroxide and methanol respectively from the dioxygen water inlet of mixing and emulsifying device 1
13 and propylene liguid entrance 12 be introduced into the hybrid component 15 in mixing and emulsifying device 1 carry out mixing and emulsifying, obtain emulsion；By institute
Emulsion by emulsion outlet 14 and reaction raw materials entrance 25 be introduced into the reaction zone 23 of plate-type reactor 2 simultaneously and catalyst
Catalyst contact in bed 32 carries out oxidation reaction, obtains reaction product and draws from reacting product outlet 26.Disclosure technique
Propylene oxide selectively can be greater than 98 weight %, the conversion ratio of hydrogen peroxide can be more than 99.5 weight %.
In the disclosure, hydrogen peroxide can be the hydrogen peroxide of 27.5-50 weight % in the mixed liquor of the hydrogen peroxide and methanol
Aqueous solution, improve hydrogen peroxide concentration advantageously reduce water content, energy saving, but concentration too it is high reaction it is excessively violent, simultaneously
Security risk increases, therefore the concentration of aqueous hydrogen peroxide solution is preferably 40-50 weight %.The aqueous hydrogen peroxide solution, methanol and
The weight ratio of propylene liguid can be 1:(3-7): (0.8-3)；The catalyst can for granulated, microspheroidal or coating shape,
The partial size of the granulated catalyst can be 1-3mm, can be formed, can be loaded by modes such as extrusion, spin or drop balls
In reaction zone；The partial size of the micro-spherical catalyst can be 5-200 μm, can be formed by way of spray drying,
It can be loaded in reaction zone；The coating shape catalyst is that catalytic component is bonded in reaction zone 23 by adhesive coated
In 24 surface of demarcation plate formed, the catalyst can be titanium-silicon molecular sieve catalyst, such as HTS-1 molecular sieve, thereon
It can be with noble metals such as Supported Pt Nanoparticles, palladiums.
In the disclosure, the condition of oxidation reaction be it is well-known to those skilled in the art, in order to improve reaction conversion ratio and
Selection, as shown in Figure 1, the consersion unit may include two concatenated plate-type reactors 2；It is flowed to according to reaction mass,
The reaction condition of preceding plate-type reactor 2 may include: that temperature is 35-75 DEG C, pressure 0.5-3.5MPa, pH value 5-7, with
The volume space velocity of propylene meter is 0.3-3h-1；The reaction condition of posterior plate-type reactor 2 may include: that temperature is 50-100 DEG C,
Pressure is 0.5-3.5MPa, and pH value 6.5-8.5, the volume space velocity in terms of propylene is 0.3-3h-1.Those skilled in the art can also
To be reacted as needed using other reaction conditions, the disclosure is repeated no more.
In the disclosure, in order to reduce the selectivity of by-product, the technique can also include: to described posterior board-like anti-
It answers in device 2 and supplements propylene liguid, the propylene liguid supplemented and aqueous hydrogen peroxide solution in the mixed liquor of the hydrogen peroxide and methanol
Weight ratio be 0.5-10, so that propylene be made in reaction mass to be in excessive state.
The disclosure is further illustrated by specific embodiment with reference to the accompanying drawing, but therefore the disclosure does not obtain
Any restrictions.
As shown in Figure 1, hydrogen peroxide and methanol are mixed to form the mixed liquor 100 of hydrogen peroxide and methanol according to a certain percentage, so
Enter the bottom of the mixing and emulsifying device 1 of 2 lower part of plate-type reactor, propylene liguid to 35-75 DEG C by the heat exchange of heat exchanger 3 afterwards
200 enter after heat exchanger 3 is warming up to 35-75 DEG C in 1 side of mixing and emulsifying device of 2 lower part of plate-type reactor, two strands of liquid
Body material is mixed to form emulsion in the hybrid component of mixing and emulsifying device 1, then enters from the bottom to top equipped with catalyst
Oxidation reaction is carried out in preceding plate-type reactor 2, preceding plate-type reactor 2 is a kind of reaction with corrugated plating inner member
Device, structure and corrugated plating heat exchanger-type seemingly, side be across the cooling zone of heat transfer medium such as vapor, conduction oil etc., it is another
Side is the reaction zone of loading catalyst bed.The reaction product of preceding plate-type reactor 2 is warming up to 50-100 by heat exchanger 3
DEG C, it is then uniformly mixed in the latter mixing and emulsifying device 1 with a small amount of fresh propylene liguid again into posterior board-like anti-
It answers in the reaction zone of device 2 and continues oxidation reaction.The reaction product of posterior plate-type reactor 2 is separated through knockout drum 4
After fixed gas 300, separation product 400 evaporates separation system into subsequent fine, isolates propylene, propylene oxide, methanol aqueous solution, gives up
Water and a small amount of by-product.
As shown in Fig. 2, mixing and emulsifying device includes cylindrical shell 11, the bottom of shell 11 is provided with dioxygen water inlet
13, side wall is provided with propylene liguid entrance 12, and hybrid component 15 is provided in shell 11, and top is provided with emulsion outlet 14.
The mixed liquor of hydrogen peroxide and methanol enters in shell 11 from the dioxygen water inlet 13 of bottom and the liquid from propylene liguid entrance 12
State propylene carries out mixing and emulsifying from the bottom to top in hybrid component 15, and gained emulsion sends out mixing from top emulsion outlet 14
Emulsifier unit.
As shown in figure 3, the emulsion come from mixing and emulsifying device enters the outer of plate-type reactor by reaction raw materials entrance 25
In shell 21, enter in the reaction zone 23 equipped with titanium-silicon molecular sieve catalyst after the distribution of porcelain layers of balls 31, reaction zone 23 is by demarcation plate
24 are separated, and 23 other side of reaction zone is cooling zone 22, in cooling zone 22 from the cooling fluid inlet 27 of lower part under
It is supreme to be passed through cooling water, and 28 outflow shell 21 of the outlet of the cooling fluid through top.Emulsion passes through reaction zone from the bottom to top
Catalyst bed 32 in 23, then the porcelain layers of balls 31 through top and reacting product outlet 26 enter downstream unit.Board-like reaction
Device 2 sets manhole 30 for internal installation and overhaul of the equipments, equipped with thermocouple cannula port 29 for being inserted into thermocouple to monitor catalyst bed
The temperature of layer.Demarcation plate is preferably corrugated plating, since the waviness curve of corrugated plating not only increases heat exchange area, but also effectively facilitates fluid
Disturbance, is conducive to material and sufficiently carries out mass transfer and heat transfer, to play reduction reaction hot spot temperature action.
As shown in figure 4, hybrid component includes porous material layer 151 and passes through the emulsification of porous material layer 151 from the bottom to top
Channel 152, in conjunction with Fig. 1-2 it is found that the mixed liquor 100 of hydrogen peroxide and methanol from bottom is passed directly into emulsification channel 152,
And propylene liguid 200 enters in porous material layer 151, and through porous material layer from the propylene liguid entrance 12 of 11 side of shell
151 be dispersed into droplet enter emulsification channel 152 in hydrogen peroxide and methanol mixed liquor in form emulsion.
The disclosure is further illustrated below by embodiment, but therefore the disclosure does not obtain any restrictions.
In embodiment and comparative example:
In hydrogen peroxide conversion ratio=(hydrogen peroxide weight in hydrogen peroxide weight-reaction product in reaction raw materials)/reaction raw materials
Hydrogen peroxide weight × 100 weight %；
Propylene oxide selectivity=propene oxide product weight/overall reaction products weight × 100 weight %.
Embodiment 1
The present embodiment is reacted in the equipment shown in Fig. 1-4.
The internal diameter of 1 shell 11 of mixing and emulsifying device is 700mm, is highly 1500mm, and the internal diameter in emulsification channel 152 is
3.3mm, filling material is Al in shell 112O3, being formed by duct size is 200-500 μm.
Plate-type reactor 2 is concatenated two, is connected by heat exchanger 3 therebetween, part fresh propylene is passed through rear
The lower section of plate-type reactor 2 mixing and emulsifying device 1 in, it is double in the mixed liquor of the propylene liguid and hydrogen peroxide and methanol that are supplemented
The weight ratio of oxygen water aqueous solution is 0.5:1.The internal diameter of shell 21 is 700mm, is highly 9850mm, and demarcation plate 24 is corrugated plating,
The spacing range of corrugated plating is 12-15mm, is highly 6000mm, width 6000mm, with a thickness of 3mm, wherein being filled with titanium silicon
Molecular sieve catalyst (is purchased from middle Effect of Catalysis In Petrochemistry agent branch company Chang Ling catalyst plant, commercial grades HTS-1, partial size 1.3mm).
Hydrogen peroxide is the aqueous hydrogen peroxide solution of 50 weight %, aqueous hydrogen peroxide solution, first in the mixed liquor of hydrogen peroxide and methanol
The weight ratio of pure and mild propylene liguid is 1:4:1.5；The reaction condition of preceding plate-type reactor 2 includes: that temperature is 55 DEG C, pressure
For 2.5MPa, pH value 5.5, the volume space velocity in terms of propylene is 1.0h-1；The reaction condition of posterior plate-type reactor 2 includes:
Temperature is 90 DEG C, pressure 2.5MPa, and pH value 7.5, the volume space velocity in terms of propylene is 1.0h-1。
Specific reaction result is shown in Table 1.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, the difference is that the spacing range of adjustment corrugated plating is 2-5mm, and
By the titanium-silicon molecular sieve catalyst of filling be adjusted to be bonded in by adhesive coated reaction zone ripple plate surface catalyst (in
Effect of Catalysis In Petrochemistry agent branch company Chang Ling catalyst plant, commercial grades HTS-1, partial size 0.08mm, binder are silica).
Specific reaction result is shown in Table 1.
Comparative example
Comparative example is substantially the same manner as Example 1, the difference is that two mixing and emulsifying devices are not provided with, by reaction raw materials
Directly it is passed through in plate-type reactor from reaction raw materials entrance.
Specific reaction result is shown in Table 1.
Table 1
| Embodiment | Hydrogen peroxide conversion ratio, weight % | Propylene oxide selectivity, weight % |
| Embodiment 1 | 99.5 | 98.1 |
| Embodiment 2 | 99.7 | 99.2 |
| Comparative example | 95.2 | 95.0 |
As it can be seen from table 1 conversion ratio and the purpose product choosing of reaction can be improved in disclosure setting mixing and emulsifying device
Selecting property reduces by-product selectivity.And it adjusts the spacing range of corrugated plating and catalyst, Ke Yiqu is arranged using coating method
Obtain better effect.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of consersion unit of hydrogen peroxide legal system propylene oxide, which is characterized in that the consersion unit includes mixing and emulsifying dress
Set (1) and plate-type reactor (2)；
The mixing and emulsifying device (1) includes shell (11), the propylene liguid entrance (12), the hydrogen peroxide that are set on shell (11)
Entrance (13) and emulsion export (14) and are set in shell (11) for mixing and emulsifying from propylene liguid entrance (12)
Propylene liguid and hydrogen peroxide from dioxygen water inlet (13) and gained emulsion is discharged from emulsion outlet (14) mixed
It closes component (15)；
The plate-type reactor (2) includes shell (21) and is set in shell (21) and by the inner space of shell (21)
Be divided into the cooling zone (22) of fluid isolation and the demarcation plate (24) of reaction zone (23), be provided on the shell (21) with it is described
Reaction zone (23) be in fluid communication reaction raw materials entrance (25) and reacting product outlet (26), the reaction raw materials entrance (25) and
The emulsion outlet (14) of the mixing and emulsifying device (1) is in fluid communication, and is additionally provided with and the cooling on the shell (21)
Cooling fluid inlet (27) and the cooling fluid outlet (28) that area (22) is in fluid communication.
2. consersion unit according to claim 1, which is characterized in that the hybrid component (15) includes being filled in the shell
Porous material layer (151) in body (11) and the emulsification channel (152) across the porous material layer (151), the emulsification are logical
Road (152) and emulsion outlet (14) are in fluid communication；One in the propylene liguid entrance (12), dioxygen water inlet (13)
Without porous material layer (151) in direct fluid communication, another one passes through the porous material layer for person and the emulsification channel (152)
(151) it is in fluid communication with the emulsification channel (152).
3. consersion unit according to claim 2, which is characterized in that the material in the porous material layer (151) is oxygen
Compound, macromolecule organic or metal powder.
4. consersion unit according to claim 1, which is characterized in that the cooling zone (22) and reaction zone (23) are served as reasons
Demarcation plate described in muti-piece (24) is separated multiple, is separated between adjacent reaction area (23) by the cooling zone (22).
5. consersion unit according to claim 1, which is characterized in that the demarcation plate (24) is corrugated plating, straight panel or arc
Shape plate.
6. consersion unit according to claim 5, which is characterized in that the shape of ripple is circular arc, ellipse on the corrugated plating
Circular arc or polygon fold.
7. consersion unit according to claim 4, which is characterized in that the spacing range of adjacent separator plates (24) is 1-
30mm。
8. consersion unit according to claim 4, which is characterized in that the spacing range of adjacent separator plates (24) is 2-8mm.
9. consersion unit according to claim 1, which is characterized in that the plate-type reactor (2) be arranged in series it is more
It is a.
10. consersion unit according to claim 9, which is characterized in that the reacting product outlet of adjacent panel reactor (2)
(26) pass through the mixing and emulsifying device (1) fluid communication and/or adjacent panel reactor between reaction raw materials entrance (25)
(2) it is in fluid communication between reacting product outlet (26) and reaction raw materials entrance (25) by heat exchanger (3).
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| CN201821367379.XU CN209292263U (en) | 2018-08-22 | 2018-08-22 | A kind of consersion unit of hydrogen peroxide legal system propylene oxide |
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| CN201821367379.XU CN209292263U (en) | 2018-08-22 | 2018-08-22 | A kind of consersion unit of hydrogen peroxide legal system propylene oxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997264A (en) * | 2018-08-22 | 2018-12-14 | 湖南长科诚享石化科技开发有限公司 | A kind of consersion unit and technique of hydrogen peroxide legal system propylene oxide |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997264A (en) * | 2018-08-22 | 2018-12-14 | 湖南长科诚享石化科技开发有限公司 | A kind of consersion unit and technique of hydrogen peroxide legal system propylene oxide |
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