CN207596759U - A kind of pump type oleum sulfonation system - Google Patents
A kind of pump type oleum sulfonation system Download PDFInfo
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- CN207596759U CN207596759U CN201721586581.7U CN201721586581U CN207596759U CN 207596759 U CN207596759 U CN 207596759U CN 201721586581 U CN201721586581 U CN 201721586581U CN 207596759 U CN207596759 U CN 207596759U
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Abstract
The utility model is related to a kind of pump type oleum sulfonation system, including alkylbenzene head tank, oleum head tank, sulfonating reaction pump, level-one sulfonation reactor, two level sulfonation reactor, aging device and separator；Oleum filter is connected between oleum head tank and sulfonating reaction pump；Level-one sulfonation reactor, two level sulfonation reactor, aging device and separator are sequentially connected in series in staged at the rear that sulfonating reaction pumps in height.The utility model facilitates the reaction condition for adjusting each section of reaction respectively, flexibly easily change catalyst type and/or adjusting process parameter, quickly and easily to adjust production decision, so as to regulate and control the activity of oligomerisation and product distribution, make in the alkyl benzene sulphonate of preparation mineral acid content extremely low and stable quality, improve the sulphonation recovery and product quality of alkylbenzene.
Description
Technical field
The utility model is related to a kind of sulfonating reaction systems, and in particular to a kind of pump type oleum sulfonation system belongs to
Chemicals production technical field.
Background technology
Heavy alkyl benzene, English name：Heavy aklyl benzenes, heavy alkyl benzene (HAB) are production detergent alkylates
By-product in the process, yield account for about the 10% of alkylbenzene.Heavy alkyl benzene is a kind of faint yellow oils, and viscosity is low, mainly by two
Alkylbenzene is formed, and is synthesized by linear alkyl benzene and paraffin by alkylated reaction.Heavy alkyl benzene can produce cold oil, be evaporated with decompression
Divide and mix in varing proportions, add appropriate anti-preservative, for producing gasoline engine lubricant oil, it still produces to improve bavin
The desirable feedstock of the detergent-dispersant additive of oil machine quality is the best base oil for producing senior lubricant.
Currently used SO 3 sulfonated reaction belongs to gas-liquid heterogeneous reaction, occurs mainly in liquid surface or interior
Portion.In most cases, diffusion velocity is major control factors, is reacted for strongly exothermic transient response, and most of reaction heat is
It is released in the starting stage of reaction.Side reaction easily occurs during the reaction, and reaction system viscosity sharply increases, and alkylbenzene exists
Its viscosity is 1mPas at 50 DEG C, and the viscosity of SO 3 sulfonated product is 1.2Pas.Therefore bring storeroom mass transfer and
The difficulty of heat transfer is allowed to generate hot-spot or crosses sulfonation.
Utility model content
The utility model is the defects of overcoming the prior art, and the utility model aim is can to improve material in order to a kind of
Flow velocity strengthens mass transfer and heat-transfer effect, improves the sulphonation recovery of alkylbenzene and the pump type oleum sulfonation system of product quality.
The technical solution adopted in the utility model is：A kind of pump type oleum sulfonation system, including alkylbenzene head tank,
Oleum head tank, sulfonating reaction pump, level-one sulfonation reactor, two level sulfonation reactor, aging device and separator；The alkane
Base benzene head tank and oleum head tank are connected to the top of the sulfonating reaction pump by pipeline；In oleum height
Oleum filter is connected on pipeline between position slot and sulfonating reaction pump；The level-one sulfonation reactor, two level
Sulfonation reactor, aging device and separator are sequentially connected in series at the rear that the sulfonating reaction pumps；The level-one sulfonation reactor, two
Grade sulfonation reactor, aging device and separator have potential difference in the height direction, in staged installation settings.
It is further improved as the utility model, the pump type oleum sulfonation system further include Reconstruction of End Gas Separator and
The exhaust fan connected with the Reconstruction of End Gas Separator；The Reconstruction of End Gas Separator is anti-with sulfonating reaction pump, level-one sulfonation respectively
Device, two level sulfonation reactor, aging device is answered to be connected with the gas discharge outlet of separator.
Further improved as the utility model, the alkylbenzene head tank and oleum head tank are respectively positioned on described
The top of level-one sulfonation reactor.
Further improved as the utility model, the pump type oleum sulfonation system further includes sulfonic acid delivery pump；
The sulfonic acid delivery pump is connected with the separator.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
The pump type oleum sulfonation system of the utility model, alkylbenzene and oleum are from head tank respectively by certain ratio
Example and recycle stock enter together in sulfonating reaction pump, and two-phase is sufficiently mixed in pump, then successively overflow to level-one sulfonation
The principle replaced in reactor, two level sulfonation reactor by overflow is carried out continuously fractional order reaction, and aging device is further complete again later
Into sulfonating reaction, it is then sent in being carried out in separator and/or point acid is handled, pass through the pump type oleum sulphur of the utility model
Process for sulfonation is optimized in change system, improves the qualification rate of product, and can improve the flow velocity of material, strengthen mass transfer and
Heat-transfer effect improves the sulphonation recovery and product quality of alkylbenzene.
Description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Structure diagram of the attached drawing 1 for the pump type oleum sulfonation system of the utility model；
In figure：1- alkylbenzene head tanks；2- oleum head tanks；3- sulfonating reactions pump；4- level-one sulfonation reactors；5-
Two level sulfonation reactor；6- aging devices；7- separators；8- oleum filters；9- sulfonic acid delivery pumps；10- Reconstruction of End Gas Separator；
11- exhaust fans.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Embodiment one, as shown in Figure 1, a kind of pump type oleum sulfonation system of the utility model, including alkylbenzene
Head tank 1, oleum head tank 2, sulfonating reaction pump 3, level-one sulfonation reactor 4, two level sulfonation reactor 5,6 and of aging device
Separator 7；Wherein alkylbenzene head tank 1 and oleum head tank 2 are located at the top of all above structures, pass through pipeline and sulphur
Change reaction pump 3 to connect；Oleum filter is connected on pipeline between oleum head tank 2 and sulfonating reaction pump 3
8；Level-one sulfonation reactor 4, two level sulfonation reactor 5, aging device 6 and separator 7 are sequentially connected in series after sulfonating reaction pump 3
Side；Wherein level-one sulfonation reactor 4, two level sulfonation reactor 5, aging device 6 and separator 7 have potential difference in the height direction,
In staged installation settings.Sulfonic acid delivery pump 9 is connected on separator 7；
Alkylbenzene and oleum enter sulfonating reaction with recycle stock by a certain percentage respectively from head tank and pump 3 together
Interior, two-phase is sufficiently mixed in pump, then presses overflow in overflow to level-one sulfonation reactor 4, two level sulfonation reactor 5 successively
The principle of displacement is carried out continuously fractional order reaction, and aging device 6 further completes sulfonating reaction again later, is then sent in separator 7
In progress and/or point acid is handled.
The flow velocity of material can be improved by the setting of sulfonating reaction pump 3 and sulfonic acid delivery pump 9, strengthens mass transfer and heat transfer is imitated
Fruit；It is using multisection type reaction that is, the sulfonating reaction pump 3 of fractional order reaction, level-one sulfonation reactor 4, two level sulfonation reactor 5, old
Change device 6 to set, facilitate the reaction condition for adjusting each section of reaction respectively, i.e., flexibly easily change catalyst type and/or tune
Whole technological parameter (such as reaction temperature, reaction pressure, reaction time), quickly and easily to adjust production decision, so as to regulate and control
Activity and the product distribution of oligomerisation, make in the alkyl benzene sulphonate of preparation mineral acid content extremely low and stable quality, improve alkylbenzene
Sulphonation recovery and product quality.
Pump type oleum sulfonation system further includes Reconstruction of End Gas Separator 10 and the exhaust fan connected with Reconstruction of End Gas Separator 10
11；Reconstruction of End Gas Separator 10 respectively with sulfonating reaction pump 3, level-one sulfonation reactor 4, two level sulfonation reactor 5, aging device and 6 points
The gas discharge outlet connection of oily device 7.Under the power effect of exhaust fan 11, the exhaust gas generated in each reactor can be passed through
The mist of oil in Reconstruction of End Gas Separator effect removal sulfonating reaction tail gas is crossed, solves the problems, such as current sulfonating reaction tail gas pollution environment.
It the above is only the concrete application example of the utility model, do not form any limit to the scope of protection of the utility model
System.All technical solutions formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (4)
1. a kind of pump type oleum sulfonation system pumps, institute including alkylbenzene head tank, oleum head tank and sulfonating reaction
State the top that alkylbenzene head tank and oleum head tank are connected to the sulfonating reaction pump by pipeline；In the oleum
Oleum filter is connected on pipeline between sour head tank and sulfonating reaction pump；It is characterized in that：Further include one
Grade sulfonation reactor, two level sulfonation reactor, aging device and separator；The level-one sulfonation reactor, two level sulfonation reactor,
Aging device and separator are sequentially connected in series at the rear that the sulfonating reaction pumps；The level-one sulfonation reactor, two level sulfonating reaction
Device, aging device and separator have potential difference in the height direction, in staged installation settings.
2. pump type oleum sulfonation system according to claim 1, it is characterised in that：Further include Reconstruction of End Gas Separator and with
The exhaust fan of the Reconstruction of End Gas Separator connection；The Reconstruction of End Gas Separator pumps respectively with the sulfonating reaction, level-one sulfonating reaction
Device, two level sulfonation reactor, aging device are connected with the gas discharge outlet of separator.
3. pump type oleum sulfonation system according to claim 2, it is characterised in that：The alkylbenzene head tank and hair
Cigarette sulfuric acid high position tank is respectively positioned on the top of the level-one sulfonation reactor.
4. pump type oleum sulfonation system according to claim 2, it is characterised in that：Further include sulfonic acid delivery pump；Institute
Sulfonic acid delivery pump is stated to connect with the separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586581.7U CN207596759U (en) | 2017-11-23 | 2017-11-23 | A kind of pump type oleum sulfonation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586581.7U CN207596759U (en) | 2017-11-23 | 2017-11-23 | A kind of pump type oleum sulfonation system |
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| CN207596759U true CN207596759U (en) | 2018-07-10 |
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| CN201721586581.7U Active CN207596759U (en) | 2017-11-23 | 2017-11-23 | A kind of pump type oleum sulfonation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438295A (en) * | 2018-11-29 | 2019-03-08 | 浙江秦燕科技股份有限公司 | The method of successive reaction preparation CLT acid sulfonated bodies |
-
2017
- 2017-11-23 CN CN201721586581.7U patent/CN207596759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438295A (en) * | 2018-11-29 | 2019-03-08 | 浙江秦燕科技股份有限公司 | The method of successive reaction preparation CLT acid sulfonated bodies |
| CN109438295B (en) * | 2018-11-29 | 2021-05-28 | 浙江秦燕科技股份有限公司 | Method for preparing CLT acid sulfonate by continuous reaction |
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