CN206577769U - Polyetheramine combined fluidized bed reactor - Google Patents
Polyetheramine combined fluidized bed reactor Download PDFInfo
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- CN206577769U CN206577769U CN201720148882.5U CN201720148882U CN206577769U CN 206577769 U CN206577769 U CN 206577769U CN 201720148882 U CN201720148882 U CN 201720148882U CN 206577769 U CN206577769 U CN 206577769U
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- polyetheramine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model is related to a kind of polyetheramine combined fluidized bed reactor, and it includes premix kettle, pump one, spiral pipe reactor, gas-liquid separator and the filter being sequentially connected；The spiral pipe reactor includes the premix section of bottom and the conversion zone on top, the premix section and reaction are intersegmental provided with distributor, the bottom of the premix section is provided with liquid-solid phase material inlet and gaseous phase materials import, provided with vertically spiral reaction tube in the conversion zone, the entrance point of the reaction helix tube is connected on the port of export of distributor, the bottom of the conversion zone is provided with heat-conducting liquid import, and the top of conversion zone is exported provided with heat-conducting liquid.Polyetheramine combined fluidized bed reactor disclosed in the utility model can realize the continuous production of polyetheramine, and the combined fluidized bed reactor equipment investment is small, energy-conserving and environment-protective.
Description
Technical field
The utility model is related to a kind of chemical mechanical equipment, and in particular to a kind of polyetheramine combined fluidized bed reactor.
Background technology
Polyetheramine (PEA) is also known as many ether amines, amine terminated polyether or polyether polyamine, is that a class main chain is polyether structure, end
Active function groups are the polymer of amido.Polyetheramine is by polyethylene glycol, polypropylene glycol or ethylene glycol/propylene glycol copolymers
Ammonification is obtained at high temperature under high pressure.By selecting different polyoxyalkyl structures, the reactivity, tough of polyetheramine can adjust
Property, a series of performances such as viscosity and hydrophily, and amido is supplied to the possibility that polyetheramine reacts with multiple compounds.It is special
Different molecular structure imparts the excellent combination property of polyetheramine, and current commercialized polyetheramine includes simple function, difunctionality, three
Function, a series of products of the molecular weight from 230 to 5000.
The application field of polyetheramine：(1) high-performance composite materials：Polyetheramine can solidify as the high-performance of epoxy resin
Agent, the composite for producing high intensity, high tenacity；(2) polyureas：As the key component of polyurea materials, high-speed rail bridge,
The water-proof system of the concrete structures such as bridge spanning the sea, dam, large stadium has many application examples, and shows excellent property
Energy；(3) coating：With relatively low viscosity, during applied to epoxide terrace or anticorrosive paint, it is possible to reduce solvent load, reduction
System viscosity；(4) adhesive：As epoxy curing agent, there is splendid toughness and fatigue performance after being fully cured,
It is widely used in adhesive and structure glue；(5) ornaments：With extremely shallow colourity and preferably anti-yellowing property, available for ornaments
Manufacture.
Because polyetheramine has a wide range of applications field, so its market prospects is boundless.Current country's polyethers
Use autoclave production technology more amine production technology, i.e., Raney nickel premix is then added to high pressure anti-into PPG
Answer in kettle, be then turned on stirring, while adding hydrogen and the reaction of liquefied ammonia increasing temperature and pressure, after the completion of reaction, carry out cooling pressure release, row
Material, if necessary to secondary response again, then repeats this course of reaction；It is reacted because such a production technology can not be carried out continuously
Hydrogen, ammonia are directly discharged, and are caused hydrogen, ammonia and heat and are greatly wasted；And it is high-strength during the course of the reaction
The stirring collision of degree is easily caused the broken of catalyst granules, aggravates the difficulty of filtering, and further results in the inactivation of catalyst, production
The colour and quality of product are unstable；In addition, the manufacturing cost of pressure autoclave type reactor is also very high, supporting product post processing is set
Standby a lot, the investment of equipment is also a no small expense.
Utility model content
The purpose of this utility model, which is that proposition is a kind of, can realize the combined fluidized bed reaction of polyetheramine continuous production
Device, the combined fluidized bed reactor equipment investment is small, and energy-conserving and environment-protective.
The purpose of this utility model is following technical proposals to realize：
A kind of polyetheramine combined fluidized bed reactor, including be sequentially connected premix kettle, pump one, spiral pipe reactor,
Gas-liquid separator and filter；The spiral pipe reactor includes the premix section of bottom and the conversion zone on top, the premix section
Distributor is provided with reacting intersegmental, the bottom of the premix section is provided with liquid-solid phase material inlet and gaseous phase materials import, described anti-
Answer provided with vertically spiral reaction tube in section, the entrance point of the reaction helix tube is connected to the port of export of distributor
On, the bottom of the conversion zone is provided with heat-conducting liquid import, and the top of conversion zone is exported provided with heat-conducting liquid；
The gas-liquid separator goes out provided with circulation gaseous phase outlet, the outlet of qualified liquid phase material and unqualified liquid phase material
Mouthful, the qualified liquid phase material outlet is connected on the liquid feeding end of filter；
Gas phase circulation line and liquid phase circulation pipeline, institute are connected between gas-liquid separator and the spiral pipe reactor
The inlet end for stating gas phase circulation line is connected on the circulation gaseous phase outlet of gas-liquid separator, its outlet side and spiral pipe reactor
Gaseous phase materials import connection, the unqualified liquid phase material that the liquid feeding end of the liquid phase circulation pipeline is connected to gas-liquid separator goes out
On mouth, its outlet end is connected on spiral pipe reactor.
Further, it is connected with recycle gas compressor on the gas phase circulation line.
Further, tank reactor and pump two are connected with turn on the liquid phase circulation pipeline.
Further, in addition to liquid charging stock treating column, the liquid charging stock treating column is connected on premix kettle by pump three.
Further, in addition to DCS control systems.
Further, the DCS control systems include controller；The premix kettle is provided with material inlet, enters in material
It is connected with liquid phase material feed pipe and catalyst charge pipe, the gaseous phase materials import of the spiral pipe reactor and is connected with mouthful
Gaseous phase materials feed pipe, is respectively equipped with flowmeter and gaseous phase materials regulation on liquid phase material feed pipe and gaseous phase materials feed pipe
Valve, flowmeter and the gaseous phase materials regulating valve is electrically connected with controller respectively.
Further, liquid phase thermal detector and gas phase manograph are provided with the gas-liquid separator, the conversion zone is led
Hot liquid outlet is provided with heat-conducting liquid regulating valve, and the liquid phase thermal detector, gas phase manograph, regulating valve are electric with controller respectively
Property connection.
Further, liquid level gauge, the qualified liquid phase material outlet and unqualified liquid phase are provided with the gas-liquid separator
Discharging regulating valve one and discharging regulating valve two are respectively equipped with material outlet, the liquid level gauge, discharging regulating valve one and discharging are adjusted
Valve two is saved to be electrically connected with controller respectively.
Further, the circulation gas phase exit of the gas-liquid separator is provided with demister.
Further, the heat-conducting liquid is conduction oil.
The beneficial effects of the utility model are：
(1) combined fluidized bed reactor in the utility model include be sequentially connected liquid charging stock treating column, pump three,
Premix and divide between kettle, pump one, spiral pipe reactor, gas-liquid separator and filter, gas-liquid separator and the spiral pipe reactor
Be not connected with gas phase circulation line and liquid phase circulation pipeline, in specific reacted, liquid charging stock first pass around it is refined, then
Be introduced into premix kettle with catalyst to be sufficiently mixed, and preheated, subsequently into spiral pipe reactor, while be passed through ammonia and
Hydrogen, by gas-liquid separator separates after reaction, the hydrogen and ammonia isolated return to spiral after being compressed through recycle gas compressor
Pipe reactor continues to react, if the liquid phase mixture disqualified upon inspection isolated, and autoclave is gone in never qualified liquid phase material outlet
Reactor continues stirring reaction, and return to spiral pipe reactor by pump two again after reaction reacts again, until gas-liquid separator point
It is qualified that the liquid phase mixture separated out is examined, and then removes filter from the outlet of qualified liquid phase material, filtering out can obtain after catalyst
To polyetheramine crude product, the dehydration refining step that postorder is then passed through again is that can obtain polyetheramine finished product.In the utility model
Combined fluidized bed reactor process route is simple, and equipment investment is few；The continuous production of polyetheramine is realized, ammonia and hydrogen can
Used in system interior circulation, reduce unnecessary discharge, reduce consumption of raw materials, and be conducive to environmental protection；Because can
With continuous production, material is realized energy-saving without frequently heating, cooling；
(2) main reactor in combined fluidized bed reactor of the present utility model is spiral pipe reactor, auxiliary reactor
For tank reactor；Spiral pipe reactor, when carrying out the reaction of material, is to ensure one big by a large amount of excessive gas phases
Initial gas velocity is used as the power of two risings of solid-liquid, and after being reacted in main reactor, underproof product enters auxiliary reactor
Tank reactor continues to react, because have passed through the reaction of main reactor, only needs to open when being reacted in tank reactor
The stirring of smaller intensity can reach purpose that is well mixed and reacting, so high intensity is all not present in whole reaction system
Stirring, the particle of catalyst will not be broken, therefore the activity of catalyst will not be affected, filtering when also can be very square
Just filter out catalyst, the colour and quality of obtained polyethers amine product are all very stable, and high income；
(3) continuous production of combined fluidized bed reactor can realize DCS automatic operations in the utility model, reaction
In the display such as temperature, pressure, liquid level, control valve position, flowmeter, the whole teletransmissions of control parameter are into DCS control systems
Controller, it is possible to achieve the remote reviewing of systematic parameter and regulation.Whole polyetheramine quantity-produced is controlled by DCS control systems
Carry out, it is not only safe, and also production efficiency is also high, is adapted to large-scale industrialized production.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the gentle liquid/gas separator of spiral pipe reactor in the utility model embodiment.
1- feed purifications tower in figure；2- pumps three；3- premixes kettle；4- pumps one；5- spiral pipe reactors；51- premixes section；511-
Liquid-solid phase material inlet；512- gaseous phase materials imports；52- conversion zones；521- reaction tubes；522- heat-conducting liquid imports；523- is led
Hot liquid outlet；53- distributors；6- gas-liquid separators；61- circulates gaseous phase outlet；The qualified liquid phase material outlets of 62-；63- does not conform to
Lattice liquid phase material is exported；7- filters；8- recycle gas compressors；9- tank reactors；10- pumps two；11- demisters；12- gas phases
Circulation line；13- liquid phase circulation pipelines；14- liquid phase material feed pipes；15- catalyst charge pipes；16- flowmeters；17- gas phases
Material adjustable valve；18- feed purification inlet pipes.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only a part of embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, the scope that the utility model is protected is belonged to.
As depicted in figs. 1 and 2：
A kind of polyetheramine combined fluidized bed reactor, including be sequentially connected feed purification tower 1, pump 32, premix kettle 3,
Pump 1, spiral pipe reactor 5, gas-liquid separator 6 and filter 7；Feed purification tower 1 is provided with feed purification inlet pipe 18, liquid
Raw material PPG is refined and preheated from the feed purification inlet pipe 18 into feed purification tower 1, and certain feed purification tower 1 may be used also
To be substituted with liquid charging stock refining kettle, as long as can play a part of, liquid charging stock is refined, preheat；The spiral tube reaction
Device 5 includes the premix section 51 of bottom and the conversion zone 52 on top, and distributor 53, institute are provided between the premix section 51 and conversion zone 52
The bottom for stating premix section 51 is provided with liquid-solid phase material inlet 511 and gaseous phase materials import 512, the conversion zone 52 provided with edge
The spiral reaction tube 521 of vertical direction, the entrance point of the reaction helix tube is connected on the port of export of distributor 53, described
The bottom of conversion zone 52 is provided with heat-conducting liquid import 522, and the top of conversion zone 52 is provided with heat-conducting liquid outlet 523.
The gas-liquid separator 6 is provided with circulation gaseous phase outlet 61, qualified liquid phase material outlet 62 and unqualified liquid phase thing
Material outlet 63, is provided with demister 11 at circulation gaseous phase outlet 61, and the qualified liquid phase material outlet 62 is connected to filter 7
On liquid feeding end.
Gas phase circulation line 12 and liquid phase circulation pipe are connected between the gas-liquid separator 6 and spiral pipe reactor 5
Road 13, the inlet end of the gas phase circulation line 12 is connected on the gaseous phase outlet of demister 11, and its outlet side and helix tube are anti-
The gaseous phase materials import 512 of device 5 is answered to connect；Recycle gas compressor 8 is connected with the gas phase circulation line 12.The liquid phase is followed
The liquid feeding end on endless tube road 13 is connected in the unqualified liquid phase material of gas-liquid separator 6 outlet 63, and its outlet end is connected to spiral
On pipe reactor 5, tank reactor 9 and pump 2 10 are connected with turn on the liquid phase circulation pipeline 13.
The polyetheramine combined fluidized bed reactor also includes DCS control systems.The DCS control systems include control
Device；The premix kettle 3 is provided with material inlet, and liquid phase material feed pipe 14 and catalyst charge pipe are connected with material inlet
15, gaseous phase materials feed pipe is connected with the gaseous phase materials import 512 of the spiral pipe reactor 5, in liquid phase material feed pipe
14 and gaseous phase materials feed pipe on be respectively equipped with flowmeter 16 and gaseous phase materials regulating valve 17, the flowmeter 16 and gaseous phase materials
Regulating valve 17 is electrically connected with controller respectively；Pass through the inlet amount of the metering liquid raw material PPG of flowmeter 16；Pass through
Gaseous phase materials regulating valve 17 is interlocked with gas phase manograph in gas-liquid separator 6, control gas raw material ammonia and hydrogen inlet amount, is protected
Demonstrate,prove system pressure steady.
Liquid phase thermal detector is provided with the gas-liquid separator 6, the heat-conducting liquid outlet 523 of the conversion zone 52, which is provided with, to be led
Hot liquid regulating valve, the liquid phase thermal detector, heat-conducting liquid regulating valve are electrically connected with controller respectively；Liquid phase thermal detector is measured
Temperature interlocking heat-conducting liquid regulating valve, it is possible to achieve the automatic control and adjustment of temperature of charge.
Liquid level gauge is provided with the gas-liquid separator 6, the qualified liquid phase material outlet 62 and unqualified liquid phase material go out
Discharging regulating valve one and discharging regulating valve two, the liquid level gauge, discharging regulating valve one and the regulating valve that discharges are respectively equipped with mouth 63
Two are electrically connected with controller respectively；Level chain discharging regulating valve one and discharging regulating valve two in gas-liquid separator 6, can be with
Realize the steady progress of reaction system.
The continuous production of combined fluidized bed reactor can realize DCS automatic operations in the utility model, in reaction
Temperature, pressure, liquid level, control valve position, flowmeter 16, etc. display, the whole teletransmissions of control parameter into DCS control systems
Controller, it is possible to achieve the remote reviewing of systematic parameter and regulation.Whole polyetheramine quantity-produced is controlled by DCS control systems
Carry out, it is not only safe, and also production efficiency is also high, is adapted to large-scale industrialized production.
In the present embodiment, the heat-conducting liquid is conduction oil, naturally it is also possible to other heat-conducting liquids.
Combined fluidized bed reactor in the utility model is in specific reacted, and liquid charging stock first passes around essence
System, is then introduced into premix kettle 3 with catalyst and is sufficiently mixed, and preheated, subsequently into spiral pipe reactor 5, simultaneously
Ammonia and hydrogen are passed through, is separated after reaction by gas-liquid separator 6, the hydrogen and ammonia isolated are pressed through recycle gas compressor 8
Spiral pipe reactor 5 is returned after contracting to continue to react, if the liquid phase mixture disqualified upon inspection isolated, never qualified liquid phase thing
Material outlet 63 goes tank reactor 9 to continue stirring reaction, anti-again by the return spiral pipe reactor 5 of pump 2 10 again after reaction
Should, until the liquid phase mixture that gas-liquid separator 6 is isolated examines qualified, then remove filter from qualified liquid phase material outlet 62
7, filter out and polyetheramine crude product is can obtain after catalyst, the dehydration refining step that postorder is then passed through again is that can obtain polyethers
Amine finished product.Combined fluidized bed reactor process route in the utility model is simple, and equipment investment is few；Realize polyetheramine
Continuous production, ammonia and hydrogen can use in system interior circulation, reduce unnecessary discharge, reduce consumption of raw materials, and
Be conducive to environmental protection；Because can be with continuous production, material be realized energy-saving without frequently heating, cooling.
Main reactor in combined fluidized bed reactor of the present utility model is spiral pipe reactor 5, and auxiliary reactor is
Tank reactor 9；Spiral pipe reactor 5, when carrying out the reaction of material, is to ensure one big by a large amount of excessive gas phases
Initial gas velocity is used as the power of two risings of solid-liquid, and after being reacted in main reactor, underproof product enters auxiliary reactor
Tank reactor 9 continues to react, because have passed through the reaction of main reactor, need to only be opened when being reacted in tank reactor 9
The stirring for opening smaller intensity can reach purpose that is well mixed and reacting, so being all not present in whole reaction system high-strength
The stirring of degree, the particle of catalyst will not be broken, therefore the activity of catalyst will not be affected, also can be very when filtering
Catalyst easily is filtered out, the colour and quality of obtained polyethers amine product are all very stable, and high income.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of polyetheramine combined fluidized bed reactor, it is characterised in that：Including the premix kettle, pump one, spiral being sequentially connected
Pipe reactor, gas-liquid separator and filter；The spiral pipe reactor includes the premix section of bottom and the conversion zone on top, institute
State premix section and react intersegmental and be provided with distributor, the bottom of the premix section is entered provided with liquid-solid phase material inlet and gaseous phase materials
Mouthful, provided with vertically spiral reaction tube in the conversion zone, the entrance point of the reaction helix tube is connected to distribution
On the port of export of device, the bottom of the conversion zone is provided with heat-conducting liquid import, and the top of conversion zone is exported provided with heat-conducting liquid；
The gas-liquid separator is provided with circulation gaseous phase outlet, the outlet of qualified liquid phase material and the outlet of unqualified liquid phase material, institute
Qualified liquid phase material outlet is stated to be connected on the liquid feeding end of filter；
Gas phase circulation line and liquid phase circulation pipeline, the gas are connected between gas-liquid separator and the spiral pipe reactor
The inlet end of phase circulation line is connected on the circulation gaseous phase outlet of gas-liquid separator, its outlet side and the gas of spiral pipe reactor
Phase materials import is connected, and the liquid feeding end of the liquid phase circulation pipeline is connected to the unqualified liquid phase material outlet of gas-liquid separator
On, its outlet end is connected on spiral pipe reactor.
2. a kind of polyetheramine combined fluidized bed reactor according to claim 1, it is characterised in that：The gas phase circulation
Recycle gas compressor is connected with pipeline.
3. a kind of polyetheramine combined fluidized bed reactor according to claim 2, it is characterised in that：The liquid phase circulation
It is connected with tank reactor and pump two on pipeline in turn.
4. a kind of polyetheramine combined fluidized bed reactor according to claim 3, it is characterised in that：Also include liquid former
Expect treating column, the liquid charging stock treating column is connected on premix kettle by pump three.
5. a kind of polyetheramine combined fluidized bed reactor according to any one in claim 1-4, it is characterised in that：
Also include DCS control systems.
6. a kind of polyetheramine combined fluidized bed reactor according to claim 5, it is characterised in that：The DCS controls
System includes controller；The premix kettle is provided with material inlet, and liquid phase material feed pipe is connected with material inlet and is urged
Gaseous phase materials feed pipe is connected with agent feed pipe, the gaseous phase materials import of the spiral pipe reactor, is entered in liquid phase material
Flowmeter and gaseous phase materials regulating valve, flowmeter and the gaseous phase materials regulation are respectively equipped with expects pipe and gaseous phase materials feed pipe
Valve is electrically connected with controller respectively.
7. a kind of polyetheramine combined fluidized bed reactor according to claim 6, it is characterised in that：The gas-liquid point
From liquid phase thermal detector and gas phase manograph is provided with device, the heat-conducting liquid outlet of the conversion zone is provided with heat-conducting liquid regulation
Valve, the liquid phase thermal detector, gas phase manograph, heat-conducting liquid regulating valve are electrically connected with controller respectively.
8. a kind of polyetheramine combined fluidized bed reactor according to claim 7, it is characterised in that：The gas-liquid separation
It is provided with device in liquid level gauge, the qualified liquid phase material outlet and the outlet of unqualified liquid phase material and is respectively equipped with discharging regulating valve one
With discharging regulating valve two, the liquid level gauge, discharging regulating valve one and discharging regulating valve two are electrically connected with controller respectively.
9. a kind of polyetheramine combined fluidized bed reactor according to claim 8, it is characterised in that：The gas-liquid separation
The circulation gas phase exit of device is provided with demister.
10. a kind of polyetheramine combined fluidized bed reactor according to claim 9, it is characterised in that：The conductive fluid
Body is conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720148882.5U CN206577769U (en) | 2017-02-17 | 2017-02-17 | Polyetheramine combined fluidized bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720148882.5U CN206577769U (en) | 2017-02-17 | 2017-02-17 | Polyetheramine combined fluidized bed reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206577769U true CN206577769U (en) | 2017-10-24 |
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ID=60091314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720148882.5U Active CN206577769U (en) | 2017-02-17 | 2017-02-17 | Polyetheramine combined fluidized bed reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206577769U (en) |
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2017
- 2017-02-17 CN CN201720148882.5U patent/CN206577769U/en active Active
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