CN106563403A - Horizontal alkylation reactor with double raw material dispersion pipes - Google Patents
Horizontal alkylation reactor with double raw material dispersion pipes Download PDFInfo
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- CN106563403A CN106563403A CN201510649708.4A CN201510649708A CN106563403A CN 106563403 A CN106563403 A CN 106563403A CN 201510649708 A CN201510649708 A CN 201510649708A CN 106563403 A CN106563403 A CN 106563403A
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- stock dispersion
- propeller
- dispersion pipes
- alkylation reactor
- feed pipe
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Abstract
The invention relates to a horizontal alkylation reactor with double raw material dispersion pipes. The reactor includes a body. The body is internally provided with an internal circulating sleeve, and the rear end is provided with a guide disc. The internal circulating sleeve is internally provided with a U-shaped pipe heat exchange bundle. The guide disc is connected to a motor through a mechanical sealing system. A propeller is disposed between the tail end of the internal circulating sleeve and the guide disc, the main shaft of the propeller is provided with the mechanical sealing system, and is in direct connection with the motor through a coupler. The reactor is characterized in that a raw material inlet is connected to a raw material feed pipe, the tail end of the raw material feed pipe is connected to 2 parallel raw material dispersion pipes, a circulating acid inlet is connected to a circulating acid feed pipe, and the circulating acid feed pipe passes through the raw material dispersion pipes to reach a position near the front part of the propeller. The horizontal alkylation reactor with double raw material dispersion pipes provided by the invention can effectively improve the material distribution effect.
Description
Technical field
The present invention relates to a kind of horizontal alkylation reactor, more particularly to a kind of horizontal alkylation reactor for being provided with double stock dispersion pipes.
Background technology
Horizontal alkylation reactor is the built-in U-tube heat exchanger type stirred reactor of horizontal eccentric double fulcrums, belongs to II type III pressure vessel, is catalyst（H2SO4）Key equipment in method alkylated reaction（Catalyst is 90% ~ 98% concentrated sulphuric acid）.Reaction raw materials（Oil liquefied gas C4Fraction, main component iso-butane and butylene）Under concentrated sulphuric acid effect, there is alkyl additive reaction, generate the paraffins mixture with various side chains, be referred to as alkylate oil.The reaction is liquid phase exothermic reaction, and relatively low reaction temperature is conducive to reaction balance to carry out to positive direction, but can reduce reaction rate；Higher reaction temperature is conducive to improving reaction rate, but reaction balance can be suppressed to carry out to positive direction, reduces the yield of product.Therefore, the alkyl additive reaction needs an optimum reaction temperature, and control reaction is carried out under optimum reaction temperature, can not only accelerate reaction rate, and can improve the yield of product.In course of reaction, concentrated sulphuric acid is continuous phase, and reaction raw materials are dispersion phase, in order to prevent course of reaction in temperature rise it is too high, it is necessary to make concentrated sulphuric acid excess, reaction raw materials are a small amount of；In order that butene reaction in reaction raw materials is completely, reaction raw materials proportioning must be the butylene of substantial amounts of iso-butane+a small amount of, therefore, it is containing a large amount of concentrated sulphuric acids, middle amount iso-butane and a small amount of butylene the characteristics of participate in reaction mass into horizontal alkylation reactor.And carrying out thoroughly complete in order that reacting, the uniformity coefficient that the various material dispersions to entering into horizontal alkylation reactor mix is particularly significant to alkyl additive reaction.
The horizontal alkylation reactor of patent（Patent No. ZL 200520078557.3）Although being directly horizontally-arranged at ground base using saddle support, there is no vertical large-scale framework, it is easy to operate；Motor and crutcher direct connection, simple structure, it is easy to which centering, power consumption is little；Heat collector adopts U heat exchange beam, it is easy to extract out, convenient maintenance, but the alkylation reactor material inlet is general for material distribution effects, and efficiency is also not up to expected, and acid consumption is higher.
The content of the invention
The technical problem to be solved is to provide a kind of horizontal alkylation reactor for being provided with double stock dispersion pipes for being effectively improved material distribution effects.
To solve the above problems, a kind of horizontal alkylation reactor for being provided with double stock dispersion pipes of the present invention, including the body for being respectively equipped with cryogen entrance, cryogen outlet, product and sour outlet, material inlet, recycle acid entrance, spent acid outlet, mixture outlet, relief valve port；Described is provided with vivo interior circulation sleeve, and its rear end is provided with positioning disk；U-tube heat-exchanging tube bundle is provided with the interior circulation sleeve；The positioning disk is connected with motor by mechanical sealing system；Propeller is provided between the interior circulation barrel end and the positioning disk, the main shaft of the propeller is provided with the mechanical sealing system, and by shaft coupling and the motor direct connection, it is characterised in that：The material inlet is connected with material inlet pipe, and the end of the material inlet pipe is connected with 2 stock dispersion pipes being set up in parallel；The recycle acid entrance is connected with recycle acid feed pipe, and the recycle acid feed pipe passes through the stock dispersion pipe, and makes near the front portion of its propeller that goes directly.
The centrage of the recycle acid entrance is with the centrage of the recycle acid feed pipe and the centerline of the stock dispersion pipe in same level.
The axial direction part of the recycle acid feed pipe is fixed on the interior circulation sleeve in the front portion of the propeller by gusset.
Open 30 ~ 50 circular dispersion holes in 30 ° ~ 60 ° of direction on each stock dispersion pipe in 2 stock dispersion pipes towards the propeller；The circular dispersion hole on 2 stock dispersion pipes is distributed by dislocation mode.
2 stock dispersion Gutron are crossed support member and are fixed on the recycle acid feed pipe.
The propeller is provided with three blades, and the angle α of each of which blade is 10 ° ~ 30 °, is highly 150 ~ 200mm, and Plane Angle β is 50 ° ~ 100 °, and mass axis angle γ is 10 ° ~ 60 °.
The present invention has compared with prior art advantages below：
1st, reactor length lengthening, propeller forward position of going directly are stretched in the present invention in recycle acid feed pipe, and through stock dispersion pipe, carries out being sufficiently mixed reaction beneficial to recycle acid and raw material.Position gusset of the axial direction part before propeller is fixed on circulating sleeve cylinder, effectively resists impact of the fluid to feed pipe, overcomes the vibration of axial direction part feed pipe.
2nd, the feed(raw material)inlet dispersion pipe in the present invention, by former single dispersion pipe, 90 ° of radial opening direction is changed to two circular dispersion pipe compositions, and is provided with dispersion hole, material is ejected in the reactant containing acid along different directions, and so as to reach purpose is sufficiently mixed.Meanwhile, two dispersion pipes are fixed on recycle acid feed pipe by four sets of support members, it is to avoid vibration damage.
3rd, it is 50 ° ~ 100 ° that propeller blade adopts angle α for 10 ° ~ 30 °, Plane Angle β in the present invention, mass axis angle γ is 10 ° ~ 60 °, so as to reach optimal shearing peptizaiton, and material is carried out to produce higher emulsion Circulation while intensive shear disperses, it is ensured that the emulsifying degree and mass-and heat-transfer demand of material.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the general structure schematic diagram of the present invention.
Fig. 2 is to stretch and stock dispersion pipe schematic diagram in recycle acid feed pipe in the present invention.
Fig. 3 is raw material dispersion pipe schematic diagram in the present invention.
Fig. 4 is raw material dispersion pipe C-C views in the present invention.
Fig. 5 is propeller blade front view in the present invention.
Fig. 6 is propeller blade top view in the present invention.
Fig. 7 is propeller blade blade schematic diagram in the present invention.
In figure：1-U-tube heat-exchanging tube bundle 2-body, 201-cryogen entrance, 202-cryogen exports 203-product and acid outlet 204-material inlet, 205-recycle acid entrance 206-spent acid outlet 207-mixture outlet, 208-relief valve port, 3-positioning disk, 4-mechanical sealing system, 5-motor, 6-propeller, 7-stock dispersion, 71-circular dispersion of pipe hole 8-interior circulation sleeve.
Specific embodiment
As shown in Fig. 1 ~ 7, a kind of horizontal alkylation reactor for being provided with double stock dispersion pipes, including being respectively equipped with, cryogen entrance 201, cryogen exports 202, product and acid outlet 203, material inlet 204, recycle acid entrance 205, spent acid export the body 2 of 206, mixture outlet 207, relief valve port 208.
Interior circulation sleeve 8 is provided with body 2, its rear end is provided with positioning disk 3；U-tube heat-exchanging tube bundle 1 is provided with interior circulation sleeve 8；Positioning disk 3 is connected with motor 5 by mechanical sealing system 4；Propeller 6 is provided between the end of interior circulation sleeve 8 and positioning disk 3, the main shaft of the propeller 6 is provided with mechanical sealing system 4, and by shaft coupling and the direct connection of motor 5.Propeller 6 is provided with three blades, and the angle α of each of which blade is 10 ° ~ 30 °, is highly 150 ~ 200mm, and Plane Angle β is 50 ° ~ 100 °, and mass axis angle γ is 10 ° ~ 60 °.
Material inlet 204 is connected with material inlet pipe, and the end of the material inlet pipe is connected with 2 stock dispersion pipes 7 being set up in parallel；Recycle acid entrance 205 is connected with recycle acid feed pipe, and the recycle acid feed pipe passes through stock dispersion pipe 7, and makes near the front portion of its through propeller 6.
Wherein：The centerline of the centrage of recycle acid entrance 205 and the centrage of recycle acid feed pipe and stock dispersion pipe 7 is in same level.
The axial direction part of recycle acid feed pipe is fixed on interior circulation sleeve 8 in the front portion of propeller 6 by gusset.
2 stock dispersion pipes 7 are fixed on recycle acid feed pipe by support member.Open 30 ~ 50 circular dispersion holes 71 in 30 ° ~ 60 ° of direction on each stock dispersion pipe in 2 stock dispersion pipes 7 towards propeller 6；Circular dispersion hole 71 on 2 stock dispersion pipes 7 is distributed by dislocation mode.
Claims (6)
1. a kind of horizontal alkylation reactor for being provided with double stock dispersion pipes, including being respectively equipped with cryogen entrance（201）, cryogen outlet（202）, product and acid outlet（203）, material inlet（204）, recycle acid entrance（205）, spent acid outlet（206）, mixture outlet（207）, relief valve port（208）Body（2）；The body（2）Inside it is provided with interior circulation sleeve（8）, its rear end is provided with positioning disk（3）；The interior circulation sleeve（8）Inside it is provided with U-tube heat-exchanging tube bundle（1）；The positioning disk（3）By mechanical sealing system（4）It is connected with motor（5）；The interior circulation sleeve（8）End and the positioning disk（3）Between be provided with propeller（6）, the propeller（6）Main shaft be provided with the mechanical sealing system（4）, and by shaft coupling and the motor（5）Direct connection, it is characterised in that：The material inlet（204）Material inlet pipe is connected with, the end of the material inlet pipe is connected with 2 stock dispersion pipes being set up in parallel（7）；The recycle acid entrance（205）Recycle acid feed pipe is connected with, the recycle acid feed pipe passes through the stock dispersion pipe（7）, and make its propeller that goes directly（6）Front portion near.
It is 2. a kind of as claimed in claim 1 to be provided with pair horizontal alkylation reactor of stock dispersion pipes, it is characterised in that：The recycle acid entrance（205）Centrage and the recycle acid feed pipe centrage and the stock dispersion pipe（7）Centerline in same level.
It is 3. a kind of as claimed in claim 1 to be provided with pair horizontal alkylation reactor of stock dispersion pipes, it is characterised in that：The axial direction part of the recycle acid feed pipe is in the propeller（6）Front portion the interior circulation sleeve is fixed on by gusset（8）On.
It is 4. a kind of as claimed in claim 1 to be provided with pair horizontal alkylation reactor of stock dispersion pipes, it is characterised in that：2 stock dispersion pipes（7）In each stock dispersion pipe on towards the propeller（6）30 ° ~ 60 ° of direction open 30 ~ 50 circular dispersion holes（71）；2 stock dispersion pipes（7）On the circular dispersion hole（71）It is distributed by dislocation mode.
It is 5. a kind of as claimed in claim 1 to be provided with pair horizontal alkylation reactor of stock dispersion pipes, it is characterised in that：2 stock dispersion pipes（7）It is fixed on the recycle acid feed pipe by support member.
It is 6. a kind of as claimed in claim 1 to be provided with pair horizontal alkylation reactor of stock dispersion pipes, it is characterised in that：The propeller（6）Three blades are provided with, the angle α of each of which blade is 10 ° ~ 30 °, is highly 150 ~ 200mm, Plane Angle β is 50 ° ~ 100 °, mass axis angle γ is 10 ° ~ 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649708.4A CN106563403A (en) | 2015-10-10 | 2015-10-10 | Horizontal alkylation reactor with double raw material dispersion pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649708.4A CN106563403A (en) | 2015-10-10 | 2015-10-10 | Horizontal alkylation reactor with double raw material dispersion pipes |
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| Publication Number | Publication Date |
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| CN106563403A true CN106563403A (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510649708.4A Pending CN106563403A (en) | 2015-10-10 | 2015-10-10 | Horizontal alkylation reactor with double raw material dispersion pipes |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204320310U (en) * | 2014-11-27 | 2015-05-13 | 武汉东海石化重型装备有限公司 | The compound alkylation reactor of a kind of adaptation polyacid catalysis |
| CN205056013U (en) * | 2015-10-10 | 2016-03-02 | 兰州寰球工程公司 | Horizontal alkylation reaction ware with two material dispersion pipes |
-
2015
- 2015-10-10 CN CN201510649708.4A patent/CN106563403A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204320310U (en) * | 2014-11-27 | 2015-05-13 | 武汉东海石化重型装备有限公司 | The compound alkylation reactor of a kind of adaptation polyacid catalysis |
| CN205056013U (en) * | 2015-10-10 | 2016-03-02 | 兰州寰球工程公司 | Horizontal alkylation reaction ware with two material dispersion pipes |
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Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |