CN203307250U - Sulfur trioxide sulfonation device - Google Patents
Sulfur trioxide sulfonation device Download PDFInfo
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- CN203307250U CN203307250U CN2013203450947U CN201320345094U CN203307250U CN 203307250 U CN203307250 U CN 203307250U CN 2013203450947 U CN2013203450947 U CN 2013203450947U CN 201320345094 U CN201320345094 U CN 201320345094U CN 203307250 U CN203307250 U CN 203307250U
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- sulfonation
- separator
- reactor
- tail gas
- sulfur trioxide
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Abstract
The utility model relates to a sulfur trioxide sulfonation device. The sulfur trioxide sulfonation device comprises a sulfur trioxide conversion tower, a sulfonation raw material tank, a sulfonation reactor, a separator, a digestion tank and a hydrolysis tank, wherein the sulfonation raw material tank and the sulfur trioxide conversion tower are connected with the sulfonation reactor, the device further comprises an electrostatic demister and a tail gas absorption tower, an output port of the sulfonation reactor is connected with the separator, the output port of the separator is connected with the electrostatic demister, the output port of the electrostatic demister is connected with the tail gas absorption tower, the output port at the other end of the separator is sequentially connected with the digestion tank and the hydrolysis tank, the output port of the hydrolysis tank is connected with a countercurrent plate type heat exchanger, the sulfonation reactor is further connected with a cooler, a hollow stirring shaft is arranged in the sulfonation reactor, and a hollow stirring paddle is mounted at the lower end of the hollow stirring shaft. The distribution of bubbles in the sulfonation reactor of the sulfur trioxide sulfonation device disclosed by the utility model is more uniform, and an additional gas distributor is not required; the purification efficiency of tail gas after sulfonation reaction is high; and a sulfonated product produced by a sulfonation process is easy to store, and the stability of the product is high.
Description
Technical field
The utility model relates to a kind of SO 3 sulfonated device.
Background technology
Sulfonation reaction is that sulfonic group is introduced to the reaction in organic molecule.The SO 3 sulfonated gas and liquid phase that belongs to reacts, in the sulfonation reaction process, for making reaction, evenly carry out, gas-liquid needs good mixing, sulfur trioxide gas needs to be evenly distributed after entering sulfonation reactor, and current sulfonation reactor is generally used gas distributor, and the gas distributor complex structure, manufacture difficulty, and gas phase drag is large.In the tail gas that the sulfonation reaction process is discharged, contain a small amount of sulfonic acid, sulfurous gas and sulphur trioxide, its concentration over-standard, must administer it.Current exhaust gas processing device design is reasonable not, and purification rate is not high, and cost is high, can not effectively remove the pollution substance in tail gas.In addition, after process for sulfonation completed, the sulfonated product temperature obtained was higher, easily produces side reaction, and product stability is low, was difficult for storing.
The utility model content
In order to overcome above-mentioned defect, the purpose of this utility model has been to provide a kind of simple in structure, reasonable in design, the tail gas clean-up rate is high, product stability is high SO 3 sulfonated device.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions: a kind of SO 3 sulfonated device, comprise the sulphur trioxide converter, the sulfonation head tank, sulfonation reactor, separator, digestion tank and hydrolytic decomposition pot, described sulfonation head tank is connected described sulfonation reactor with the sulphur trioxide converter, this device also comprises electrostatic precipitator and tail gas absorber, the delivery port of described sulfonation reactor connects described separator, the delivery port of described separator is connected with described electrostatic precipitator, the delivery port of described electrostatic precipitator is connected with described tail gas absorber, the other end delivery port of described separator and described digestion tank, hydrolytic decomposition pot connects successively, the delivery port of described hydrolytic decomposition pot is connected with a reverse-flow plate-type heat exchanger, described sulfonation reactor also is connected with water cooler, described sulfonation reactor is in-built hollow stir shaft, the lower end of described hollow stir shaft is equipped with hollow stirring rake.
Further, described hollow stirring rake is provided with at least one opening.
The beneficial effects of the utility model are: in sulfonation reactor of the present utility model, be provided with hollow stir shaft and hollow stirring rake, rotation due to hollow stirring rake, the negative pressure that liquid is thrown away to formation sucks gas from liquid level top, the gas imported is flowed downward along stir shaft, blade by stirring rake disperses bubble again, bubble distribution is more even, without extra gas distributor.The tail gas produced after sulfonation reaction first, after electrostatic precipitator is removed the acid mist be suspended in tail gas, through tail gas absorber, is converted into sodium nitrite solution by the sulfide in tail gas, and the tail gas after purification enters atmosphere, and tail gas clean-up efficiency is high.The sulfonated product that process for sulfonation produces is under the effect of reverse-flow plate-type heat exchanger, and temperature reduces, and suppresses the generation of side reaction, is easy to store, and the stability of product improves.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Number in the figure explanation: 1: the sulphur trioxide converter, 2: sulfonation head tank, 3: water cooler, 4: sulfonation reactor, 5: separator, 6: tail gas absorber, 7: electrostatic precipitator, 8: digestion tank, 9: hydrolytic decomposition pot, 10: reverse-flow plate-type heat exchanger, 11: hollow stir shaft, 12: hollow stirring rake.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
As shown in Figure 1, a kind of SO 3 sulfonated device, comprise sulphur trioxide converter 1, sulfonation head tank 2, sulfonation reactor 4, separator 5, digestion tank 8 and hydrolytic decomposition pot 9, described sulfonation head tank 2 is connected described sulfonation reactor 4 with sulphur trioxide converter 1, this device also comprises electrostatic precipitator 7 and tail gas absorber 6, the delivery port of described sulfonation reactor 4 connects described separator 5, the delivery port of described separator 5 is connected with described electrostatic precipitator 7, the delivery port of described electrostatic precipitator 7 is connected with described tail gas absorber 6, the other end delivery port of described separator 5 and described digestion tank 8, hydrolytic decomposition pot 9 connects successively, the delivery port of described hydrolytic decomposition pot 9 is connected with a reverse-flow plate-type heat exchanger 10, described sulfonation reactor 4 also is connected with water cooler 3, described sulfonation reactor 4 is in-built hollow stir shaft 11, the lower end of described hollow stir shaft 11 is equipped with hollow stirring rake 12.Described hollow stirring rake 12 is provided with at least one opening.
Sulphur trioxide converter 1 sulfur trioxide gas out enters in sulfonation reactor 4, sulfonation raw material in sulfonation head tank 2 also enters into sulfonation reactor 4 by the entrance of sulfonation reactor 4, in sulfonation reactor 4, be provided with hollow stir shaft 11 and hollow stirring rake 12, hollow stirring rake 12 rotates, liquid is thrown away, the pressure of hollow stirring rake 12 opening parts reduces thereupon, formed negative pressure sucks sulfur trioxide gas from liquid level top, the gas imported is flowed downward along hollow stir shaft 11, blade by hollow stirring rake 12 disperses bubble again, make sulfur trioxide gas and sulfonation raw material liq good mixing, reaction is evenly carried out.SO 3 sulfonated reaction is strong thermopositive reaction, and the reaction process temperature is higher, can drain reaction heat by water cooler 3.After sulfonation reaction, after electrostatic precipitator 7 is removed the acid mist be suspended in tail gas, then through tail gas absorber 6, the sulfide in tail gas is converted into to sodium nitrite solution from the isolated tail gas of separator 5 is first, the tail gas after purification enters atmosphere.The sulfonic acid produced after sulfonation reaction enters digestion tank 8, after aging, enter hydrolytic decomposition pot 9 and is hydrolyzed, and the acid anhydrides that reduces side reaction and produce, obtain qualified sulfonic acid product.Because the sulfonic acid product temperature is higher, during storage, easily produce side reaction.In technique, finally by reverse-flow plate-type heat exchanger 10, can reduce product temperature, suppress the generation of side reaction, product stability is improved.
It is emphasized that: above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model, to any simple modification, equivalent variations and modification that above embodiment does, all still belongs in the scope of technical solutions of the utility model.
Claims (2)
1. SO 3 sulfonated device, comprise the sulphur trioxide converter, the sulfonation head tank, sulfonation reactor, separator, digestion tank and hydrolytic decomposition pot, described sulfonation head tank is connected described sulfonation reactor with the sulphur trioxide converter, it is characterized in that: this device also comprises electrostatic precipitator and tail gas absorber, the delivery port of described sulfonation reactor connects described separator, the delivery port of described separator is connected with described electrostatic precipitator, the delivery port of described electrostatic precipitator is connected with described tail gas absorber, the other end delivery port of described separator and described digestion tank, hydrolytic decomposition pot connects successively, the delivery port of described hydrolytic decomposition pot is connected with a reverse-flow plate-type heat exchanger, described sulfonation reactor also is connected with water cooler, described sulfonation reactor is in-built hollow stir shaft, the lower end of described hollow stir shaft is equipped with hollow stirring rake.
2. SO 3 sulfonated device according to claim 1, it is characterized in that: described hollow stirring rake is provided with at least one opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203450947U CN203307250U (en) | 2013-06-17 | 2013-06-17 | Sulfur trioxide sulfonation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203450947U CN203307250U (en) | 2013-06-17 | 2013-06-17 | Sulfur trioxide sulfonation device |
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| CN203307250U true CN203307250U (en) | 2013-11-27 |
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| CN2013203450947U Expired - Lifetime CN203307250U (en) | 2013-06-17 | 2013-06-17 | Sulfur trioxide sulfonation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103690366A (en) * | 2013-12-27 | 2014-04-02 | 黄肖峰 | Method for manufacturing anesthetic by aid of system with recycling device and output device |
| CN104474986A (en) * | 2014-11-11 | 2015-04-01 | 王孝通 | Gas sulfur trioxide continuous sulfonation production device |
| CN106237948A (en) * | 2015-08-26 | 2016-12-21 | 中国石油天然气股份有限公司 | A kind of sulfonation reaction device and sulfonating reaction method |
| CN109847685A (en) * | 2019-04-15 | 2019-06-07 | 南京奇诺自控设备有限公司 | SO 3 sulfonated static plug flow hydrolysis reactor |
-
2013
- 2013-06-17 CN CN2013203450947U patent/CN203307250U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103690366A (en) * | 2013-12-27 | 2014-04-02 | 黄肖峰 | Method for manufacturing anesthetic by aid of system with recycling device and output device |
| CN104474986A (en) * | 2014-11-11 | 2015-04-01 | 王孝通 | Gas sulfur trioxide continuous sulfonation production device |
| CN106237948A (en) * | 2015-08-26 | 2016-12-21 | 中国石油天然气股份有限公司 | A kind of sulfonation reaction device and sulfonating reaction method |
| CN106237948B (en) * | 2015-08-26 | 2018-05-04 | 中国石油天然气股份有限公司 | A kind of sulfonation reaction device and sulfonating reaction method |
| CN109847685A (en) * | 2019-04-15 | 2019-06-07 | 南京奇诺自控设备有限公司 | SO 3 sulfonated static plug flow hydrolysis reactor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |