CN206027684U - Agitation reactor - Google Patents
Agitation reactor Download PDFInfo
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- CN206027684U CN206027684U CN201620790535.8U CN201620790535U CN206027684U CN 206027684 U CN206027684 U CN 206027684U CN 201620790535 U CN201620790535 U CN 201620790535U CN 206027684 U CN206027684 U CN 206027684U
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- sucking
- conduit
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- 238000013019 agitation Methods 0.000 title abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 122
- 239000000463 material Substances 0.000 claims abstract description 86
- 239000003054 catalyst Substances 0.000 claims description 19
- 230000001737 promoting effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 33
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- 230000008569 process Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
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- 238000000605 extraction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 34
- 238000009834 vaporization Methods 0.000 description 30
- 230000008016 vaporization Effects 0.000 description 30
- 238000012546 transfer Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- 230000008901 benefit Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 239000002199 base oil Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides an agitation reactor. This agitation reactor includes the agitation reactor body and sucks the pipe, sucks the pipe and is linked together with the agitation reactor body, sucks to be provided with extraction portion in the pipe. Have the rotation that the pipe can be through the blade of sucking that promotes the blade and produce the effect of sucking to the material, stir the reaction in this effect of sucking is convenient for send into the material down and should be sucked the agitation reactor body that the pipe is linked together. This kind of agitation reactor who sucks the formula be owing to have the pipe of sucking, be convenient for set up this agitation reactor on the material storage device's that treats the stirring outer wall compactly, and then stretch into the material storage device's that treats the stirring inside through sucking the pipe, directly sends the material into reactor noumenon through the effect of sucking to reduce and use if change resistance loss and/or the person's thermal losses that oil line's and so on material conveying pipe line produced in transportation process. And this equipment investment cost is low.
Description
Technical field
This utility model is related to petroleum refining field, in particular to a kind of stirred reactor.
Background technology
Atmospheric vacuum rectifying column is the core apparatus of oil plant, is the key equipment of leading oil plant economic benefit.With original
Oily heaviness, in poor quality and shale oil, tar sand oil, weight (thick) oil, extra heavy oil, deep petroleum and Colophonium, coal tar etc. are non-
The bad oily a large amount of productions of conventional heavy, the product yield of atmospheric distillation tower will be forced to be gradually reduced, thus, to improving or keeping refining
For oily Business Economic Benefit, vacuum rectification tower will play more importantly role.
Research institution and refinery of the countries in the world about oil refining, all in concern and the output of Improvement vacuum rectification tower
Benefit.The index for evaluating vacuum rectification tower quantum of output is referred to as the extracting rate of vacuum rectification tower,
Vacuum rectification tower extracting rate=1 (the decompression residuum total amount that bottom of towe is discharged/into the normal pressure base oil of vacuum rectification tower
Total amount).
In general, the extracting rate of vacuum rectification tower depends on property, the structure of vacuum rectification tower of crude oil and normal base oil
And its technological parameter etc..On the premise of the first two factor is constant, the extracting rate of vacuum rectification tower is dependent on to its own
The improvement of structure and technique.Chinese invention patent CN1194070C, discloses a kind of oil Atmospheric vacuum technique, is subtracted with increase is a set of
The mode of pressure stove and vacuum rectification tower is improving dial-out rate, although extract effect preferably, but equipment investment is high, conjunction economically
Rationality needs to be proved.Chinese patent application CN101376068A, it is proposed that by conventional Atmospheric vacuum system " two-furnace three-tower " (flash distillation
Tower → atmospheric pressure kiln → atmospheric tower → vacuum furnace → vacuum rectification tower) change into " two stoves, four tower ", i.e., atmospheric tower and vacuum furnace it
Between set up a flash column, so as to mitigate the load of vacuum rectification tower, light oil extracting rate increases.Above-mentioned patent is for subtracting
The OL existing refinery's technological transformation of pressure rectifying column, has certain reference value, but nonsensical for grassroot refinery.And,
Increase newly a flash column, into follow-up vacuum furnace material temperature will step-down, so as to increased the burden of vacuum furnace, Er Qiexin
Set up for the benefit for causing system is reduced.
Chinese patent application CN103242885A, it is proposed that increase by three flash vaporization kettles between vacuum furnace and vacuum rectification tower
With two pot arches, furnace temperature cause flash temperature reach 420 DEG C and adopt superheated steam, high temperature nitrogen or high-temperature hydrogen to normal pressure
Residual oil is stripped.Increase of this method to vacuum tower extracting rate is effective certainly.The problem that the patent is present is to increase
There is the component of up to 600 revs/min of rotating speed in three flash vaporization kettle each kettles, the flash vaporization kettle to 550T/ hours, its diameter should be
More than 2m, the power of motor of rotary evaporation can be up to more than 200kw, so the investment of flash vaporization kettle can be at a relatively high, three flash vaporization kettles
Between also have two pot arches, along with for steam stripped high-temperature gas, investment can be increased a lot.
Chinese patent application CN1884441A discloses the method for improving light oil yield of atmospheric and vacuum distillation of petroleum oil, will contain Colophonium
Additive be added in the crude oil of atmospheric and vacuum distillation of petroleum tower, improve Atmospheric vacuum steaming by changing the intermolecular active force of crude oil
The light oil yield for evaporating.But the method adds oil refining process using biomass, with suitable novelty, but without basic in technique
Upper change distillation technique.
The technology for improving vacuum rectification tower extracting rate is referred to as deep drawing technology, and the main path of existing deep drawing technology has three, one
It is to improve vacuum rectification tower feeding temperature, two is the oil gas partial pressure for reducing product in tower, and three is the vacuum for improving vacuum rectification tower
Degree.In general, under deep drawing technique, vacuum rectification tower feeding temperature needs to improve (5～8) %, and feeding temperature is higher, extracts
Rate is also higher, but too high feeding temperature can cause material coking and to produce more cracking fixed gases in the tower, have a strong impact on
The normal operation of vacuum rectification tower.For reducing oil gas partial pressure, the method for current trend is to be passed through vapor to reduce decompression
Oil gas partial pressure in rectifying column, vapor are more, and oil gas partial pressure is also lower.But at present using the wet type rectification under vacuum of a large amount of steam
Tower is gradually eliminated, because in wet type vacuum rectification tower, the large quantity of moisture steam more light than wax oil quality is crowded
About 90% space in tower, is occupied, the load of vacuum rectification tower is considerably increased, efficiency is extracted in reduction, and is produced many
Waste water to be processed is needed, thus injection tower bottom steam amount is also limited by efficiency and environmental protection.
As front two measures are constrained by suitable, that what is paid close attention in deep drawing technology the most improves vacuum rectification tower
Vacuum.Process conditions of the oil company of foreign well-known by real boiling cut point (TBP) higher than 565.60 DEG C are referred to as deep drawing technique,
Due to the restriction of equipment and technology, the real boiling cutting of deep drawing technique is typically at 540 DEG C or so for the country.
In sum, under the conditions of existing process, the most important constraint of rectification under vacuum is to make material in vacuum rectification tower
Only experience the physical process of a distillation phase inversion and there can not be any chemical process.It is entitled《Vacuum rectifying apparatuss and its
Rectificating method》Chinese patent application CN201510498467.8, it is proposed that a kind of improvement of tower structure, by condenser, boil again
Device is integrated in tower bottom, reduces investment and energy-conservation, and the conception of the patent is worth recommending, but the ultimate principle that is not related to distill and
Constraint.
Therefore, for current process conditions, all of deep drawing measure is all confined to the physics still-process to material
And avoid chemical process.In fact this constraint is necessary, because under conditions of without external hydrogen source, the cracking of residual oil will be led
Further condensation is caused, is made material become heavier, is unfavorable for follow-up coking process.It is in order to avoid the generation of chemical reaction, existing
In the operation of row vacuum rectification tower, there are strict restriction, and decompression residuum one time of staying of the material in rectification under vacuum tower reactor
Denier leaves vacuum rectification tower, is required for adding quench oil to reduce subtracting slag temperature, it is to avoid cracking.
Therefore, how to improve the existing material transfer member such as oil transfer line etc to produce in course of conveying to reduce material
Resistance or thermal losses become a technical problem urgently to be resolved hurrily.
Utility model content
Main purpose of the present utility model is to provide a kind of stirred reactor, with reduce material conveying pipe use simultaneously
Reduce the resistance in conveying or thermal losses.
To achieve these goals, this utility model provides a kind of stirred reactor, and the stirred reactor includes：Stirring
Reactor body and sucking conduit, the sucking conduit are connected with stirred reactor body, suck in conduit and be provided with extracting part.
Further, stirred reactor also includes stirring shaft, and one end of stirring shaft is driven with driving means and connected
Connect, the other end of stirring shaft sequentially passes through stirred reactor body and sucks conduit and prolong along the direction away from driving means
Stretch.
Further, extracting part includes promoting blade, promotes blade to be arranged on stirring shaft.
Further, suck conduit to be arranged on the side wall of stirred reactor body.
Further, stirred reactor also include the first stirring paddle, the first stirring paddle be arranged on stirring shaft away from
One end of driving means, the length of the first stirring paddle distance driving means is more than the length for sucking conduit distance driving means.
Further, the second stirring paddle is provided with stirred reactor body, and the second stirring paddle is arranged on stirring shaft
On, the second stirring paddle includes main blade vertically disposed with stirring shaft and the blade with the setting at angle theta of main blade,
Wherein 0 °<θ≤90°.
Further, the speed of agitator of the second stirring paddle is 0～1500r/min continuously adjustabes.
Further, it is multiple to prop up blade, and multiple blades are symmetricly set on main oar by symmetrical centre of stirring shaft
Ye Shang.
Further, length of the blade length of the first stirring paddle less than the main blade of the second stirring paddle.
Further, stirred reactor body also includes stirring material outlet, and stirring material outlet is arranged on stirring reaction
The top of device body.
Further, stirred reactor body also includes catalyst inlet, and catalyst inlet is arranged on and sucks conduit phase
To stirred reactor body side wall on and positioned at suck conduit lower section.
Using the technical solution of the utility model, the rotation of blade can be passed through to thing with the sucking conduit for promoting blade
Material produces act of sucking, is easy to send into material the stirred reactor body being connected with the sucking conduit under the act of sucking
In be stirred reaction.The stirred reactor of this suction type is as with conduit is sucked, being easy to will be the stirred reactor compact
Be arranged on the outer wall of material storage device to be mixed, and then by the sucking conduit is stretched into material storing to be mixed
The inside of device, is sent directly into material in reactor body by act of sucking, so as to reduce using such as oil transfer line etc
Resistance loss and/or thermal losses that Location Detection of Medium Transportation Pipeline is produced in course of conveying.And, the equipment investment cost is low.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used for explaining this utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows that the technological process of the rectification under vacuum system in a kind of preferred embodiment of the present utility model is illustrated
Figure；
Fig. 2 shows the structural representation of the stirred reactor in a kind of preferred embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling：
10th, vacuum rectification tower；11st, tower reactor section；12nd, rectifying section；13rd, decompressor；121st, fixed gas outlet；30th, do not coagulate
Gas surge tank；
110th, flash vaporization kettle；111st, gaseous phase outlet；112nd, recycle stock entrance；113rd, recycle stock outlet；
20th, stirred reactor；21st, suck conduit；22nd, stirred reactor body；23rd, stirring shaft；24th, the first stirring
Oar；211st, promote blade；220th, the second stirring paddle；221st, main blade；222nd, prop up blade；25th, stir material outlet；26th, it is catalyzed
Agent entrance.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.This utility model is described in detail below in conjunction with embodiment.
During being stirred due to the material in prior art in a certain device, generally require defeated by material
Send pipeline to realize that the material between material storage device and agitating device circulates, and Location Detection of Medium Transportation Pipeline, such as oil transfer line are in conveying
Often there is the various losses such as larger resistance and/or heat during normal pressure base oil with uniform temperature and have impact on work
Skill reaction condition causes energy consumption to increase.In order to improve this present situation, in a kind of typical embodiment of the application, such as scheme
Shown in 2, there is provided a kind of stirred reactor, the stirred reactor 20 includes：Stirred reactor body 22 and sucking conduit 21,
Wherein, suck conduit 21 to be connected with stirred reactor body 22, suck in conduit 21 and be provided with extracting part.
The sucking conduit 21 with extracting part in above-mentioned stirred reactor 20, can be by the suction of extracting part to material
Act of sucking is produced, is easy to send into material the stirred reactor body being connected with the sucking conduit 21 under the act of sucking
Reaction is stirred in 22.The stirred reactor 20 of this suction type is due to conduit 21 is sucked, being easy to the stirring reaction
Device 20 is compactly located on the outer wall of material storage device to be mixed, and then to be mixed by the sucking conduit 21 is stretched into
Material storage device inside, material is sent directly in reactor body by act of sucking, so as to reduce using as turn
Resistance loss and/or thermal losses that the Location Detection of Medium Transportation Pipeline of oily line etc is produced in course of conveying.
The concrete setting form of the extracting part in above-mentioned suction type conduit has various, as long as can be to material act of sucking
Set-up mode is applied to this utility model.In the application in preferred embodiment, extracting part includes promoting blade 211, and this pushes away
Movable vane piece 211 is arranged on stirring shaft 23, and the concrete form of blade can adopt existing form, preferably spiral leaf
Piece, is capable of achieving the movement of material by the rotation of blade, and then realizes treating the act of sucking of stirring material.Promote blade
211 action principle centrifugal pump or the principle of electric fan are the same, and blade twist certain angle has to liquid (or gas) during rotation
Impetus.
Preferably, above-mentioned sucking conduit 21 is arranged on the side wall of stirred reactor body 22, and with stirred reactor sheet
The inside of body 22 is connected.Conduit 21 will be sucked to be set directly on the side wall of reactor body so that the stirred reactor 20
More compact structure, while reducing the connecting pipe sucked between conduit 21 and stirred reactor body 22, further reduces resistance
The various consumption such as power and/or heat.
In a kind of preferred embodiment of the application, the rotating speed of above-mentioned second stirring paddle 220 is 0r/min～1500r/min
Continuously adjustabe.Additionally, in the application another kind preferred embodiment, above-mentioned stirred reactor is applied to rectification under vacuum reaction system
In system, the length of above-mentioned second stirring paddle 220 and the ratio of the internal diameter of the flash vaporization kettle of tower bottom of rectifying tower section are 0.6～1.2:1 scope
It is interior.In above preferred embodiment, can be improved by improving the speed of agitator of the second stirring paddle 220 and/or increasing blade length
Stirring intensity.
Preferably, above-mentioned stirred reactor 20 of stating also includes stirring shaft 23, drives one end of shaft and drives dress
Connection is put, the other end sequentially passes through stirred reactor body 22 and sucks conduit 21 and extend along the direction away from driving means,
Blade 211 is promoted to be arranged on stirring shaft 23.
In above preferred embodiment, stirred reactor body 22 and sucking conduit 21 are driven using same driving means
It is dynamic to reduce energy expenditure and make the structure of stirred reactor 20 simpler compact, it is easy to according to the demand of amount of agitation by one
Or multiple above-mentioned stirred reactors 20 are attached on the outer wall of material storage device to be mixed.
Preferably, above-mentioned stirred reactor 20 also includes the first stirring paddle 24, and the first stirring paddle 24 is arranged on stirring and drives
The other end away from driving means of axle 23, and the length of 24 distance driving means of the first stirring paddle is more than sucking 21 distance of conduit
The length of driving means.
In above preferred embodiment, by stirring comparing to suck the farther one end of 21 distance driving means of conduit and arrange first
Oar 24 is mixed, is more beneficial for material is sent into sucking conduit 21 close therewith by the stirring centrifugal action of the first stirring paddle 24
In.
It is highly preferred that above-mentioned second stirring paddle 220 is coaxially disposed with the first stirring paddle 24, mixing direction is identical.But both
The design of blade is different, and axis direction of first stirring paddle 24 by material along stirring shaft 23 is advanced (with centrifugal pump or electric fan
It is identical), and the second stirring paddle 220 makes material release along the tangential direction that the second stirring paddle 220 stirs the circumference that track is formed, two
The launch direction of individual stirring paddle material is in 90 degree.Wherein, the length of the first stirring paddle 24 technical process according to residing for stirring material
Difference rationally can be arranged.Such as, the first stirring paddle 24 is the sudden strain of a muscle of the tower reactor section for extending to improved vacuum rectification tower
Steam in kettle, it is internal to carry out mix pusher feeding stirred reactor sheet to the material in flash vaporization kettle and catalyst etc., make mixing
Material the second stirring paddle be stirred vigorously effect under carry out decomposition, then the length of the first stirring paddle 24 preferably with flash distillation
The ratio of the internal diameter of kettle is 0.1～0.3:1.Under the ratio, the first stirring paddle only carries out miniature mixing to material, makes material
Mix homogeneously with catalyst, and be difficult to decompose or condensation reaction.
In above-mentioned stirred reactor 20, the second stirring paddle 220 preferably in stirred reactor body 22, is additionally provided with, second
Stirring paddle 220 is arranged on stirring shaft 23, and the second stirring paddle 220 includes main blade vertically disposed with stirring shaft 23
221 and the blade 222 of 221 setting at angle theta of main blade, wherein 0 °<θ≤90°.
In above-mentioned preferred embodiment, by arranging the second stirring paddle 220 in stirred reactor body 22, and by second
Stirring paddle 220 is configured with the form of the main blade 221 and a blade 222 of certain angle, not only with relatively strong
Stirring dynamics, and it is easy to material moving direction produced according to stirring intensity, stirring etc. to carry out appropriate design.
Preferably, in above-mentioned second stirring paddle 220, a blade 222 is multiple, and multiple blades 222 to drive shaft are
Axial symmetry is arranged on main blade 221, is so produced the active force of relative equilibrium to material, is made material stirring evenly.
In a kind of preferred embodiment, the length of above-mentioned first stirring paddle 24 is set smaller than into the second stirring paddle 220
Length so that the stirred reactor 20 possess at the same time material is sucked and agitating function on the premise of, realize suck
With stirring reasonable distribution on the energy consumption, preferable material conveying and mixing effect is realized with less energy consumption.
Stirred reactor body 22 also includes stirring material outlet 25, according to the requirement of different process system, stirs material
Outlet 25 can be arranged on the different position of stirred reactor 20, preferably stir material outlet 25 in stirred reactor 20 in perpendicular
The top of stirred reactor body 22 is arranged on during straight state.To carry out to the material in the tower reactor section 11 in vacuum rectification tower 10
Illustrate for stirring material outlet 25 to be arranged on the benefit at the top of stirred reactor 20 as a example by stirring, above-mentioned sucking conduit 21 can
Stretch in material storage device to be mixed, that is, conduit 21 is sucked as 10 tower reactor section 11 of vacuum rectification tower and stirred reactor 20
Between material conveying passage, can under the act of sucking for sucking conduit 21 by material input stirred reactor body 22,
Under the strong stirring effect of the second stirring paddle 220 in stirred reactor body 22, material mix homogeneously is not only made, but also
After stirring can be made, material is moved at the top of stirred reactor 20 in corresponding tower reactor section 11 from the position of gaseous phase outlet relative close
Put, separate with liquid phase so as to be easily achieved gas phase.
For the difference of the species of the material stirred in stirred reactor 20, not only can be in the stirred reactor 20
Simple physical agitation is carried out, the stirred reactor 20 various chemistry can also be carried out as a chemical reaction equipment anti-
Should.When the stirred reactor 20 is used as chemical reactor and needs the catalyst chemical reaction, preferably stir at this
Mix.In another kind of preferred embodiment, stirred reactor body 22 is also wrapped
Catalyst inlet 26 is included, catalyst inlet 26 is arranged on the side wall of the stirred reactor body 22 relative with conduit 21 is sucked,
And positioned at the lower section of sucking conduit 21.
In above-mentioned preferred embodiment, catalyst inlet 26 is arranged on into 21 phase of sucking conduit of 20 side wall of stirred reactor
To position below, be easy to when material Jing suck conduit 21 be conveyed in stirred reactor body 22 when, material is in action of gravity
It is fully contacted with catalyst and mixes during lower fallen downward, so as to is beneficial to promote the generation of chemical reaction more quickly.
With reference to rectification under vacuum system, the stirred reactor 20 of the application is applied to into subtracting for crude oil as shown in Figure 1
Carry out the beneficial effect of furtherly the application in pressure rectification deep drawing process system.
As shown in figure 1, the rectification under vacuum system includes vacuum rectification tower 10, decompressor successively according to Flow of Goods and Materials direction
13 (vacuum pumps), fixed gas surge tank 30, stirred reactor 20, wherein, vacuum rectification tower 10 includes tower reactor section 11 and rectifying section
12 (being selected with or without Jing often can be substituted with condenser in petroleum refining industry according to practical situation), tower reactor section 11 is flash distillation
Kettle 110, has gaseous phase outlet 111, recycle stock entrance 112 and recycle stock outlet 113, at the top of rectifying section 12 on flash vaporization kettle 110
With fixed gas outlet 121.Stirred reactor 20 is for carrying out physical agitation and chemical reaction to the material in flash vaporization kettle 110.
When the agitator in Fig. 1 to be set to the stirred reactor 20 with sucking function of the application, such as Fig. 2 institutes
Show, the stirred reactor 20 is arranged on the outer wall of flash vaporization kettle 110, by stretching into inside flash vaporization kettle 110 and and recycle stock
Material is fed directly to stirred reactor under the act of sucking for promoting blade 211 by the sucking conduit 21 that outlet 113 is connected
In body 22, stirred reactor body 22 has strong stirring effect using which and can make material in the presence of stirring centrifugal force
Move up, and then returned to by the stirring material outlet 25 connected with recycle stock entrance 112 and dodged in flash vaporization kettle 110
Steam, so as to realize efficiently separating for gas-liquid material.
According to physical and chemical performance and the difference of different process system of material to be mixed, can also be to stirring in stirred reactor 20
Mixing material outlet 25 carries out appropriate design.Still illustrate by taking above-mentioned rectification under vacuum system as an example, above-mentioned stirred reactor 20
Stirring material outlet 25 directly for the recycle stock entrance that is arranged on flash vaporization kettle 110, or can be provided separately within sudden strain of a muscle
The stirring material outlet 25 on 110 side wall of kettle is steamed, stirring material outlet 25 outlet with high speed ejection function is set to into, such as
Venturi tube, is more beneficial for realizing the flash evaporation effect of material.
In technological process as shown in Figure 1, stirred reactor 20 is also provided with fixed gas entrance, is easy to rectifying section
12 fixed gases discharged are recycled.
In above-mentioned preferred embodiment, by stirred reactor 20 is set to comprising stretching into sucking inside flash vaporization kettle 110
The form that is connected with the stirred reactor 20 being arranged on outside flash vaporization kettle 110 of conduit 21 is inhaled, using recycle stock entrance 112 and is followed
Ring material outlet 113 tightly adsorbs stirred reactor 20 in the tower reactor of flash vaporization kettle 110, forms a kind of outer circulation type and sucks anti-
Device is answered, the stirring and reagentia of convention stir reactor 20 can not only be realized, and also reduces the setting of oil transfer line, drop
Resistance or heat consumption in low material conveying process, while reduce cost of investment.
In large-scale production, it may be necessary to multiple stirred reactors 20, preferably will be the plurality of stirred reactor 20 symmetrical
Be arranged in around flash vaporization kettle, so as to ensure that material has equal opportunity to enter in stirred reactor 20 in flash vaporization kettle as far as possible.
And for needing to add the stirring reaction of catalyst, a catalyst inlet 26 is also set up on stirred reactor 20
It is easy to add catalyst as needed in real time, and the stirred reactor 20 of the application belongs to outer circulation type sucking response device, adopts
Non-loaded catalyst is added with continuous, disposable disposable mode and hydrogen agent is mended, the catalyst for reacting stays in tower reactor
Discharge in material, do not affect the heavy metal of FCC techniques, and cost is very low because of catalyst charge seldom, neither affect to produce
Product cost, nor affects on the operating mode of subsequent delay coking.
It should be noted that the above-mentioned stirring reaction with ' suction type ' structure and strong agitating function of the application
Device is a kind of pervasive stirring reaction device that can be used for different industrial systems of industry, rather than is only limited to above-mentioned listed
Machinery in the rectification under vacuum system of act.As for whether installing catalyst inlet or waste gas (fixed gas) on the agitating device additional
Outlet, is determined by specific process system, and different process systems will give its different input and export pipeline and want
Ask.Thus, for the beneficial effect of the stirred reactor in other process systems of the application be also it will be apparent that here not
Enumerating.
For the frame for movement of novel reactor, suction type reaction utensil of the present utility model is different from General reactions
The advantage of device：
1) stable process conditions：So that stirred reactor is connected with flash vaporization kettle as an example, the stirring reactor is close to
Its main body flash vaporization kettle, no thermograde therebetween during work, thus stable reaction conditions.In chemical enterprise, technique
The stable primary condition that is stable but also being also safe operation that not only ensure that product quality of condition.In the situation of pyroreaction
Under, reactor and flash vaporization kettle can be used as integrally carrying out adiabatic heat-insulation, it is ensured that no temperature difference between the two, and this is to energy-conservation and chemistry
For reaction, it is extremely important.
2) energy-conservation：Flash vaporization kettle is integrally formed with reactor, unified insulation, and radiate energy-conservation less.
3) save equipment investment：First, the pipeline for conveying oil plant is a lot, but one of most expensive is oil transfer line, this device section
Oil transfer line has been saved so as to reduce investment outlay.The petroleum pipeline of the normal pressure base oil being heated is conveyed between vacuum furnace to vacuum tower, often quilt
Referred to as oil transfer line, in oil transfer line, material air-liquid is biphase and deposits and in the condition of high temperature, and there is oil transfer line to be made minimum resistance to damage
Consumption and thermal losses, its making are extremely difficult, and oil transfer line becomes the decompression tower member with high cost and high technology content.And one
As reactor and flash vaporization kettle between connection, it is necessary to have equivalent to oil transfer line charging and discharging pipeline, in this two groups of pipelines
And air-liquid coexists, the problem of resistance loss and thermal losses, therefore the presence of input and output oil transfer line pipeline is there is also, must
The raising of reactor cost will be caused.Due to the particularity of structure, the input channel of suction type reactor is deep in flash vaporization kettle,
Only one section Venturi tube for being close to flash vaporization kettle wall of output channel, eliminates input and output oil transfer line and not only reduces cost
And improve reaction condition.Secondly, when general flash vaporization kettle and separately positioned stirred reactor, an input is needed between the two
Pump is by the material input stirred reactor in flash vaporization kettle, it is also desirable to which the material for reacting input flash vaporization kettle is entered by a rear pump
Row flash distillation.The front pump of stirred reactor, but the output of stirred reactor are saved even with the measure for raising flash vaporization kettle position
Pump must have, and lift and power will be increased.Again, also need to increase the stirring motor of stirred reactor itself.And this reality
With a stirring motor has only been added on new stirred reactor, identical work is just completed.Even so, if the stirring
Reactor power demand is identical with separate type, but the device of separate type needs several motors and pump realize same work(
Can, and a powerful motor saves money than several low-power machines.
4) stirring paddle has multi-functional：General stirred reactor, its stirring paddle have specific function, for example uniformly
Mix, strengthen dispersion, promote the stirring paddle of mass transfer etc., this device that there is multi-functional, one is that material and the uniform of catalyst are mixed
Merge and strengthen mass transfer, two is material to be cut using blade；Three is the function with centrifugal pump blade, while stirring
Material is pushed or reactor is released.
5) save space：In the case of some reconstructions, shop locations are nervous, can save space using this device.
Therefore, it is for the chemical process in addition to oil refining, simply by the presence of the equipment of circulation stirring, of the present utility model to suck
Suction reactor can embody the advantage of its energy-conservation, investment reduction and optimization reaction condition.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this 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. are should be included within protection domain of the present utility model.
Claims (11)
1. a kind of stirred reactor, it is characterised in that stirred reactor (20) include：
Stirred reactor body (22),
Conduit (21) is sucked, sucking conduit (21) is connected with stirred reactor body (22), the sucking conduit
(21) extracting part is provided with.
2. stirred reactor according to claim 1, it is characterised in that stirred reactor (20) also include that stirring is driven
Moving axis (23), the one end of stirring shaft (23) and driving means drive connection, stirring shaft (23) it is another
End sequentially passes through stirred reactor body (22) and sucking conduit (21) and along the direction away from the driving means
Extend.
3. stirred reactor according to claim 2, it is characterised in that the extracting part includes promoting blade (211), institute
State promotion blade (211) to be arranged on the stirring shaft (23).
4. stirred reactor according to claim 1, it is characterised in that sucking conduit (21) are arranged on the stirring
On the side wall of reactor body (22).
5. stirred reactor according to claim 2, it is characterised in that stirred reactor (20) are also stirred including first
Oar (24) is mixed, the first stirring paddle (24) are arranged on one end away from the driving means of the stirring shaft (23),
First stirring paddle (24) are more than sucking conduit (21) apart from the driving means apart from the length of the driving means
Length.
6. stirred reactor according to claim 5, it is characterised in that be provided with stirred reactor body (22)
Second stirring paddle (220), the second stirring paddle (220) are arranged on the stirring shaft (23), second stirring paddle
(220) include main blade (221) vertically disposed with the stirring shaft (23) and angled with main blade (221)
The blade (222) that θ is arranged, wherein 0 °<θ≤90°.
7. stirred reactor according to claim 6, it is characterised in that the speed of agitator of the second stirring paddle (220)
For 0～1500r/min continuously adjustabes.
8. stirred reactor according to claim 6, it is characterised in that described blade (222) be it is multiple, it is multiple described
Prop up blade (222) to be symmetricly set on main blade (221) by symmetrical centre of the stirring shaft (23).
9. stirred reactor according to claim 6, it is characterised in that the blade length of the first stirring paddle (24) is little
In the length of the described main blade of the second stirring paddle (220).
10. stirred reactor according to claim 1, it is characterised in that stirred reactor body (22) also include
Stirring material outlet (25), stirring material outlet (25) are arranged on the top of stirred reactor body (22).
11. stirred reactors according to claim 2, it is characterised in that stirred reactor body (22) also include
Catalyst inlet (26), catalyst inlet (26) are arranged on and suck the relative stirred reactor of conduit (21) with described
On the side wall of body (22) and positioned at the lower section for sucking conduit (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790535.8U CN206027684U (en) | 2016-07-25 | 2016-07-25 | Agitation reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790535.8U CN206027684U (en) | 2016-07-25 | 2016-07-25 | Agitation reactor |
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|---|---|
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ID=58311541
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2016
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