CN101099927A - Dual-membrane type sulfur trioxide sulfonation reactor - Google Patents
Dual-membrane type sulfur trioxide sulfonation reactor Download PDFInfo
- Publication number
- CN101099927A CN101099927A CNA2006100286803A CN200610028680A CN101099927A CN 101099927 A CN101099927 A CN 101099927A CN A2006100286803 A CNA2006100286803 A CN A2006100286803A CN 200610028680 A CN200610028680 A CN 200610028680A CN 101099927 A CN101099927 A CN 101099927A
- Authority
- CN
- China
- Prior art keywords
- adventitia
- ring
- inner membrance
- reactor
- distributor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to sulfonation reaction apparatus, and is especially one kind of double membrane type sulfur trioxide sulfonation reactor. Technologically, the double membrane type sulfur trioxide sulfonation reactor consists of one top cover, one sulfur trioxide distributor with one inner ring and one outer ring, one organic matter distributor with one inner film and one outer film, one inner reactor membrane, one outer reactor membrane, one reactant circulating distributor, one discharging unit, one outer membrane guide ring and one inner membrane guide ring. The present invention has the advantages of homogeneous reactant distribution, mild sulfonation reaction, complete sulfonation, high material utilizing rate and high produce quality.
Description
Technical field
The present invention relates to a kind of sulfonation reaction device, especially a kind of dual-membrane type sulfur trioxide sulfonation reactor.
Background technology
Surfactant is an especially detergent industry most important material of daily use chemicals industry, SO 3 sulfonated device is the fine chemistry industry device of the multiple high-quality surfactant of present unique energy large-scale production, and sulfonation reactor wherein is the most key equipment that relates to product quality, consumption of raw materials and energy consumption in the xanthator.
The SO 3 sulfonated mist of sulfur trioxide and dry air and the chemical reaction that organic matter carries out sulfonation (or sulphation) of being meant.This class reaction speed is fast (very fast reaction) very, and course of reaction is emitted big calorimetric, and temperature of charge is risen sharply.When carrying out this type of reaction in sulfonation reactor, sulfur trioxide and organic matter ratio must be controlled well, and the excessive meeting of sulfur trioxide causes the oversulfonate phenomenon, and the sulfonated product color and luster is dark, sulfuric acid content increases; The sulfur trioxide deficiency makes that unsulfonated material content is too much in the sulfonated product, has reduced raw material availability, also influences product quality, and these all must be avoided.Therefore the sulfur trioxide and the control of organic both macro and micro molar ratio that enter reactor require all very strict.
Chinese patent " liquid stream jet sulfonation reactor " (Granted publication number: CN2780770Y, Granted publication day: on May 17th, 2006) disclosing a kind of is the liquid stream jet sulfonation reactor of inorganic agent to using in the aromatic hydrocarbons in the aromatic hydrocarbon base oil and other impurity sulfonation process for refining with the sulfur trioxide, and this reactor utilizes the injection of liquid stream to contact with sulfur trioxide gas under full closeding state and finishes sulfonating reaction.Though this method can reduce the sulfur trioxide consumption, because reactant distribution control measure and temperature control measure are all fairly simple, so reaction condition is difficult to keep stable during sulfonating reaction, and the quality fluctuation of sulfonated products is very big.
Goal of the invention
Thereby the object of the present invention is to provide a kind of novel a large amount of heats that reactor inner membrance and adventitia are produced in sulfonating reaction can take, cool off gas and reactant in more even, the reactor more out of and evenly distribute, improve the dual-membrane type three oxygen sulfuration sulfonation reactor that the accuracy of microcosmic mol ratio is improved the quality of products along each flow section all the time.
Content of the present invention
Present sulfonation reactor exists deficiencies such as reactant distribution is inhomogeneous, the reaction temperature rising is violent, easily causes " oversulfonate " phenomenon or unsulfonated material content too much, has reduced raw material availability, and has influenced product quality.Technical scheme provided by the invention is; Design a kind of dual-membrane type sulfur trioxide sulfonation reactor, this reactor is made of top cover 1, sulfur trioxide distributor inner ring body 2, sulfur trioxide distributor outer ring body 3, inner membrance organic matter distributor 4, adventitia organic matter distributor 5, reactor adventitia 6, reactor inner membrance 7, reactant loop distribution device 8, discharging body 9, adventitia baffle liner 10 and inner membrance baffle liner 11, sulfur trioxide distributor outer ring body 3 is enclosed within the skin of sulfur trioxide distributor inner ring body 2, and distributor outer ring body 3 and distributor inner ring body 2 openings are all downward; Reactor adventitia 6 is enclosed within the skin of reactor inner membrance 7, and the opening of adventitia 6 and inner membrance 7 all makes progress.Top cover 1 is at the top of sulfur trioxide distributor outer ring body 3.Adventitia organic matter distributor 5 is installed in the lower end of sulfur trioxide distributor outer ring body 3 with one heart, and inner membrance organic matter distributor 4 is installed in the lower end of sulfur trioxide distributor inner ring body 2 with one heart; Reactor adventitia 6 is installed in the lower end of sulfur trioxide distributor outer ring body 3 with one heart, and reactor inner membrance 7 is installed in the lower end of sulfur trioxide distributor inner ring body 2 with one heart.Reactant loop distribution device 8 is installed on the flange in the bottom of reactor adventitia 6 and reactor inner membrance 7 with one heart, and discharging body 9 is connected with the flange in the bottom of reactant loop distribution device 8 with one heart.Reactor head has a concentric location structure.Ring section width between reactor inner membrance 7 and the reactor adventitia 6 is 7.4～7.8 millimeters, about 1800 millimeters of height for reactor.In the cooling water jecket in reactor inner membrance 7 and reactor adventitia 6 spiral baffle liner is arranged all.Being spiral adventitia baffle liner 10 in the cooling water jecket of reactor adventitia 6, is spiral inner membrance baffle liner 11 in the cooling water jecket of reactor inner membrance 7.
At inside reactor, 6 two critical pieces of device inner membrance 7 and reactor adventitia respond.The inwall of the outer wall of reactor inner membrance 7 and reactor adventitia 6 is cylindrical, and it is the reaction wall that organic matter is flowed through from top to bottom, vertical, the coaxial installation of these two parts.Sulfur trioxide gas enters from the top of the circular passage, garden of inner membrance 7 and adventitia 6 formation, and the organic matter that evenly flows out with the cylindrical wall top carries out sulfonation (or sulphation) reaction.
Organic matter must guarantee high homogeneity at inner membrance 7 tops and adventitia 7 tops, inner membrance organic matter distributor 4 of the present invention and adventitia organic matter distributor 5 have all adopted polyphone two-stage distributed architecture, wherein the first order is distributed as elementary distribution, and the second level is distributed as accurate the distribution.
Ring 18, O-ring seals 19, locating ring 20 and screw 21 constitute inner membrance organic matter distributor 4 down by the uniform ring 17 of inner membrance, inner membrance.Ring 18 and the uniform ring 17 of inner membrance all are enclosed within the outer surface of reactor inner membrance 7 under the inner membrance, and ring 18 is following down for inner membrance, and the uniform ring 17 of inner membrance connects with screw 21 between ring 18 and the uniform ring 17 of inner membrance under the inner membrance last, and fills up upward O-ring seals 19 between the two.Locating ring 20 is enclosed within the annular space that ring 18 tops, inner membrance uniform ring 17 inboards and reactor inner membrance 7 outsides are constituted under the inner membrance.Locating ring 20, inner membrance descend ring 18 and uniform ring 17 threes of inner membrance are equal and reactor inner membrance 7 is installed with one heart.Organic matter encircles the uniform organic matter charging aperture in 18 outer rings down from inner membrance and enters inner membrance organic matter distributor 4, flows into by in the annular cavity that ring 18 and the uniform ring 17 of inner membrance form under the inner membrance.Begin from here,, finish the even distribution of the first order along circumference through the uniform groove of radiation shape of equal angles dense layout.Organic matter continues inwardly to encircle direction and flows, and the even distribution of the second level along circumference finished in the flat wavelength-division cloth of the annular gap of flowing through and being formed by ring 18 and the uniform ring 17 of inner membrance under the inner membrance.Last organic matter flows down very equably along the top of ring in the inner membrance organic matter distributor 4, again inflow reactor inner membrance 7 top conversion zones.
By such two-stage distributed architecture, improved the uniform performance of organic matter distributor greatly.Strictness through " organic matter distribution measure of merit platform " is measured, for along the maximum stream flow of circumference each point and the error of minimum discharge and average discharge, in the past the error of the porous type single-stage distributor of Cai Yonging can only be controlled at ± 18% scope in, and the present invention can be controlled within ± 1.6% scope, and the distribution effect is very good.
Inner membrance and adventitia two big parts (comprising the seal closure at top separately) assembling back forms runs through reactor circular passage, garden up and down.The present invention sets up location structure in reactor head, can guarantee that not only inside and outside film is concentric fully after installing from bottom to top, and the proper flow that does not influence sulfur trioxide gas distributes with even, can guarantee that each parts of reactor accurately install, the concentricity between inner membrance and the adventitia just need not debugged can reach optimum.
Sulfonating reaction is very fast reaction, and the control reaction speed must be controlled the diffusion velocity of sulfur trioxide to the organic matter film.The present invention is by the data analysis of theoretical calculating and long-term practice, the optimum width of having determined ring section between the interior adventitia is 7.4～7.8 millimeters, these data have determined the diffusion length of sulfur trioxide, and according to this width data, calculate the distance that reactant is flowed through, also being the reactor effective depth, is 1800 millimeters.After changing new reactor, under output and sulfur trioxide gas concentrated phase prerequisite together, gas feed pressure drops to 40～45Kpa, and the gas phase drag of reactor has reduced about 25Kpa, thereby has reduced power consumption.
A large amount of heat releases during sulfonating reaction, temperature of charge rising can make product colour deepen, and also can produce unnecessary side reaction.For effectively suppressing temperature rise, in inner membrance, adventitia reaction part, arranged the water cooling chuck, take the measure of augmentation of heat transfer, the temperature rise of control reactant.The present invention has adopted spirality current deflecting structure in the water cooling chuck of inner membrance and adventitia, and has designed the effective processing method of a cover, to guarantee that current are along guide frame flow at high speed and can short circuit twist.Designed spiral adventitia baffle liner 10 in the cooling water jecket of reactor adventitia 6, designed spiral inner membrance baffle liner 11 in the cooling water jecket of reactor inner membrance 7, mode is mobile twist along baffle liner by chuck the time to make cooling water.The adventitia cooling water flows into adventitia baffle liner 10 from adventitia cooling water inlet d, discharges through adventitia coolant outlet e; Similarly, the inner membrance cooling water flows into inner membrance baffle liner 11 from inner membrance cooling water inlet f, discharges through inner membrance coolant outlet g.Like this, under the identical prerequisite of cooling water flow, improve the flow velocity of cooling water greatly, improved heat-transfer effect.The more important thing is that current are evenly distributed, also even along the cooling effect of reaction annular cross section each point, this is to guaranteeing that crucial effect is played in the equilibrium of microcosmic mol ratio in the reactor.Newly-designed structure produces inner membrance and adventitia in sulfonating reaction a large amount of heats can be taken out of more, the more important thing is that cooling is more even, thickness along the temperature of charge of each circumference of reaction surface and film is also even, guarantee that interior gas of reactor and reactant evenly distribute along each flow section all the time, improve the accuracy of microcosmic mol ratio, thereby improve the quality of products.
Description of drawings
Fig. 1 is a dual-membrane type sulfonation reactor structure chart.
Fig. 2 is the local longitudinal sectional view that amplifies of detent mechanism.
Fig. 3 is the local transverse sectional view of amplifying of detent mechanism.
Fig. 4 is adventitia organic matter structure of distributor figure.
Fig. 5 is inner membrance organic matter structure of distributor figure.
The specific embodiment
Dual-membrane type sulfur trioxide sulfonation reactor is made of top cover 1, SO3 distributor inner ring body 2, SO3 distributor outer ring body 3, inner membrance organic matter distributor 4, adventitia organic matter distributor 5, reactor adventitia 6, reactor inner membrance 7, reactant loop distribution device 8 and discharging body 9.Adventitia organic matter distributor 5 and inner membrance organic matter distributor 4 are installed in the lower end of SO3 distributor outer ring body 3 and SO3 distributor inner ring body 2 respectively with one heart, reactor adventitia 6 and reactor inner membrance 7 are installed in the lower end of SO3 distributor inner ring body 2 and SO3 distributor outer ring body 3 respectively with one heart, reactant loop distribution device 8 is installed in one heart that " on the flange in the bottom of reactor adventitia 6 and reactor inner membrance 7, discharging body 9 is connected with the flange in the bottom of reactant loop distribution device 8 with one heart.
Sulfur trioxide gas enters reactor by the SO3 gas feed a on the top cover 1, and the annular passage of forming along SO3 distributor outer ring body 3 and SO3 distributor inner ring body 2 evenly flows down.The organic matter of participating in sulfonating reaction enters adventitia organic matter distributor 5 and inner membrance organic matter distributor 4 respectively by organic matter import c1 and c2, after the distributor two-stage was uniform, organic matter flowed down equably from the inwall of adventitia organic matter distributor 5 and the outer wall of inner membrance organic matter distributor 4 respectively.Herein, organic matter and the SO3 gas that evenly flows down along the annular passage between SO3 distributor inner ring body 2 and the SO3 distributor outer ring body 3 begin to carry out sulfonating reaction, and this section flow process is very short.Afterwards, the organic matter that flows down from adventitia organic matter distributor 5 inwalls continues to flow down along the inwall of reactor adventitia 6; Equally, the organic matter that flows down from inner membrance organic matter distributor 4 outer walls continues to flow down along the outer wall of reactor inner membrance 7; SO3 gas then continues evenly to flow down along the annular passage of reactor adventitia 6 and 7 formation of reactor inner membrance; Sulfonating reaction is just carried out in this zone.The end product of reaction is emitted by reactant, the tail gas outlet b of discharging body bottom.
After SO3 gas enters reactor by top cover 1, always along mobile in the annular passage of forming by SO3 distributor inner ring body 2, SO3 distributor outer ring body 3, inner membrance organic matter distributor 4, adventitia organic matter distributor 5, reactor adventitia 6 and reactor inner membrance 7 parts respectively.If the high precision concentricity when respectively organizing parts and can not guarantee that it is installed, then annular channel cross-section width is inhomogeneous, cause SO3 gas even along the mass flow discrepancy that annular cross section each point flows down, so just can't guarantee that the microcosmic mol ratio of organic matter and SO3 gas is even in reactor, finally influence product quality.For guaranteeing the high precision concentricity, at one section outstanding annulus of outer wall upper end design of SO3 distributor inner ring body 2, the internal diameter of its external diameter and SO3 distributor outer ring body 3 is designed to the precision-fit size, and its gap is controlled between 0.02～0.05mm.Design such concentricity location structure, when reactor assembles, guaranteed the high precision concentricity of whole annular passage well from top to bottom.For guaranteeing that SO3 gas evenly flows down, in the outstanding annulus partial design toothing in SO3 distributor inner ring body 2 outer walls upper end, uniform groove can be guaranteed that SO3 gas is unimpeded, pass through equably.
Reactor adventitia 6 and reactor inner membrance 7 are the zones of carrying out sulfonating reaction.Because of sulfonating reaction belongs to strong exothermal reaction, if untimely heat of reaction is taken out of as much as possible, the reactant temperature rise is too high, will produce many unnecessary side reactions, causes product colour dark, and quality is seriously influenced.For take more heat out of in limited heat transfer area, the design has taked the measure of augmentation of heat transfer:
Designed spiral adventitia baffle liner 10 in the cooling water jecket of reactor adventitia 6, designed spiral inner membrance baffle liner 11 in the cooling water jecket of reactor inner membrance 7, mode is mobile twist along baffle liner by chuck the time to make cooling water.The adventitia cooling water flows into adventitia baffle liner 10 from adventitia cooling water inlet d, discharges through adventitia coolant outlet e; Similarly, the inner membrance cooling water flows into inner membrance baffle liner 11 from inner membrance cooling water inlet f, discharges through inner membrance coolant outlet g.Like this, under the identical prerequisite of cooling water flow, improve the flow velocity of cooling water greatly, improved heat-transfer effect.The more important thing is that current are evenly distributed, also even along the cooling effect of reaction annular cross section each point, this is to guaranteeing that crucial effect is played in the equilibrium of microcosmic mol ratio in the reactor.
Organic matter encircles the uniform organic matter charging aperture in 13 outer rings down from adventitia and enters adventitia organic matter distributor 5, flows into by in the annular cavity that ring 13 and the uniform ring 16 of adventitia form under the adventitia.Begin from here,, finish the even distribution of the first order along circumference through the uniform groove of radiation shape of equal angles dense layout.Organic matter continues inwardly to encircle direction and flows, and the even distribution of the second level along circumference finished in the flat wavelength-division cloth of the annular gap of flowing through and being formed by ring 13 and the uniform ring 16 of adventitia under the adventitia.Last organic matter flows down very equably along the top of ring in the adventitia organic matter distributor 5, again inflow reactor adventitia 6 top conversion zones.
Ring 18, O-ring seals 19, locating ring 20 and screw 21 constitute inner membrance organic matter distributor 4 down by the uniform ring 17 of inner membrance, inner membrance.Ring 18 and the uniform ring 17 of inner membrance all are enclosed within the outer surface of reactor inner membrance 7 under the inner membrance, and ring 18 is following down for inner membrance, and the uniform ring 17 of inner membrance connects with screw 21 between ring 18 and the uniform ring 17 of inner membrance under the inner membrance last, and fills up upward O-ring seals 19 between the two.Locating ring 20 is enclosed within the annular space that ring 18 tops, inner membrance uniform ring 17 inboards and reactor inner membrance 7 outsides are constituted under the inner membrance.Locating ring 20, inner membrance descend ring 18 and uniform ring 17 threes of inner membrance are equal and reactor inner membrance 7 is installed with one heart.
Organic matter encircles the uniform organic matter charging aperture in 18 outer rings down from inner membrance and enters inner membrance organic matter distributor 4, flows into by in the annular cavity that ring 18 and the uniform ring 17 of inner membrance form under the inner membrance.Begin from here,, finish the even distribution of the first order along circumference through the uniform groove of radiation shape of equal angles dense layout.Organic matter continues inwardly to encircle direction and flows, and the even distribution of the second level along circumference finished in the flat wavelength-division cloth of the annular gap of flowing through and being formed by ring 18 and the uniform ring 17 of inner membrance under the inner membrance.Last organic matter flows down very equably along the top of ring in the inner membrance organic matter distributor 4, again inflow reactor inner membrance 7 top conversion zones.
Claims (3)
1. a dual-membrane type sulfur trioxide sulfonation reactor is made of top cover 1, sulfur trioxide distributor inner ring body 2, sulfur trioxide distributor outer ring body 3, inner membrance organic matter distributor 4, adventitia organic matter distributor 5, reactor adventitia 6, reactor inner membrance 7, reactant loop distribution device 8, discharging body 9, adventitia baffle liner 10 and inner membrance baffle liner 11; Sulfur trioxide distributor outer ring body 3 is enclosed within the skin of sulfur trioxide distributor inner ring body 2, and both openings are all downward; Reactor adventitia 6 is enclosed within the skin of reactor inner membrance 7, and both openings all make progress; Top cover 1 is at the top of sulfur trioxide distributor outer ring body 3; Adventitia organic matter distributor 5 is installed in the lower end of sulfur trioxide distributor outer ring body 3 with one heart, and inner membrance organic matter distributor 4 is installed in the lower end of sulfur trioxide distributor inner ring body 2 with one heart; Reactor adventitia 6 is installed in the lower end of sulfur trioxide distributor outer ring body 3 with one heart, and reactor inner membrance 7 is installed in the lower end of sulfur trioxide distributor inner ring body 2 with one heart; Reactant loop distribution device 8 is installed on the flange in the bottom of reactor adventitia 6 and reactor inner membrance 7 with one heart, and discharging body 9 is connected with the flange in the bottom of reactant loop distribution device 8 with one heart; It is characterized in that:
(1). reactor inner membrance 7 and reactor adventitia 6 are cylindrical tube, and vertical, the coaxial installation of these two parts; Form the annular passage between reactor inner membrance 7 and the reactor adventitia 6, sulfur trioxide gas enters from the top of annular passage, and the organic matter that evenly flows out with the cylindrical wall top reacts;
(2) adventitia organic matter distributor 5 and inner membrance organic matter distributor 4 all adopt the structure of two-step serial, and wherein the first order is elementary distribution, and the second level is accurate the distribution;
Ring 13, O-ring seals 14, screw 15 and the uniform ring 16 of adventitia constitute adventitia organic matter distributor 5 down by locating ring 12, adventitia; Ring 13 and the uniform ring 16 of adventitia all are enclosed within the outer surface of reactor adventitia 6 under the adventitia, and ring 13 is following down for adventitia, and the uniform ring 16 of adventitia connects with screw 15 between ring 13 and the uniform ring 16 of adventitia under the adventitia last, and fills up upward O-ring seals 14 between the two; Locating ring 12 is enclosed within the adventitia member outer surface that ring 13 and the uniform ring 16 of adventitia are constituted; Locating ring 12, adventitia descend ring 13 and uniform ring 16 these threes of adventitia are equal and reactor adventitia 6 is installed with one heart;
Ring 18, O-ring seals 19, locating ring 20 and screw 21 constitute inner membrance organic matter distributor 4 down by the uniform ring 17 of inner membrance, inner membrance; Ring 18 and the uniform ring 17 of inner membrance all are enclosed within the outer surface of reactor inner membrance 7 under the inner membrance, and ring 18 is following down for inner membrance, and the uniform ring 17 of inner membrance connects with screw 21 between ring 18 and the uniform ring 17 of inner membrance under the inner membrance last, and fills up upward O-ring seals 19 between the two; Locating ring 20 is enclosed within the annular space that ring 18 tops, inner membrance uniform ring 17 inboards and reactor inner membrance 7 outsides are constituted under the inner membrance; Locating ring 20, inner membrance descend ring 18 and uniform ring 17 threes of inner membrance are equal and reactor inner membrance 7 is installed with one heart;
(3). reactor head has a location structure, between sulfur trioxide distributor inner ring body 2 top cover lower edges and sulfur trioxide distributor outer ring body 3.
2. dual-membrane type sulfur trioxide sulfonation reactor as claimed in claim 1 is characterized in that: the width of ring section is 7.4～7.8 millimeters between sulphonator inner membrance and the sulphonator adventitia, 1800 millimeters of the height of reactor.
3. dual-membrane type sulfur trioxide sulfonation reactor as claimed in claim 1 is characterized in that: in the cooling water jecket in reactor inner membrance 7 and reactor adventitia 6 spiral baffle liner is arranged all; Being spiral adventitia baffle liner 10 in the cooling water jecket of reactor adventitia 6, is spiral inner membrance baffle liner 11 in the cooling water jecket of reactor inner membrance 7; Mode is mobile twist along baffle liner by chuck the time for cooling water; The adventitia cooling water flows into adventitia baffle liner 10 from adventitia cooling water inlet (d), discharges through adventitia coolant outlet (e); The inner membrance cooling water flows into inner membrance baffle liner 11 from inner membrance cooling water inlet (f), discharges through inner membrance coolant outlet (g).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100286803A CN100475328C (en) | 2006-07-06 | 2006-07-06 | Dual-membrane type sulfur trioxide sulfonation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100286803A CN100475328C (en) | 2006-07-06 | 2006-07-06 | Dual-membrane type sulfur trioxide sulfonation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101099927A true CN101099927A (en) | 2008-01-09 |
| CN100475328C CN100475328C (en) | 2009-04-08 |
Family
ID=39034470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100286803A Active CN100475328C (en) | 2006-07-06 | 2006-07-06 | Dual-membrane type sulfur trioxide sulfonation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100475328C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527299A (en) * | 2010-12-17 | 2012-07-04 | 中国石油天然气股份有限公司 | Sulfonation reaction device and application thereof |
| CN114618412A (en) * | 2022-03-09 | 2022-06-14 | 中颉化工科技(上海)有限公司 | Reactor surge tank latching mechanism and method thereof |
-
2006
- 2006-07-06 CN CNB2006100286803A patent/CN100475328C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527299A (en) * | 2010-12-17 | 2012-07-04 | 中国石油天然气股份有限公司 | Sulfonation reaction device and application thereof |
| CN114618412A (en) * | 2022-03-09 | 2022-06-14 | 中颉化工科技(上海)有限公司 | Reactor surge tank latching mechanism and method thereof |
| CN114618412B (en) * | 2022-03-09 | 2023-09-19 | 中颉化工科技(上海)有限公司 | Buffer tank locking mechanism for reactor and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100475328C (en) | 2009-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101982227B (en) | Rapid gas hybrid reactor for high temperature cracking and application thereof | |
| WO2017036418A1 (en) | Smart industrial micro-channel flow reactor | |
| US3833719A (en) | Method and apparatus for mixing gas and liquid | |
| CN100475328C (en) | Dual-membrane type sulfur trioxide sulfonation reactor | |
| CN106543006B (en) | The synthesis technique of 4,6 dinitroresorcinols | |
| CN102658042A (en) | Low dropout flow guiding nozzle type mixing device for preparing styrene by ethylbenzene dehydrogenation | |
| CN102059081A (en) | Tubular reactor for performing liquid phase oxidation on cyclohexane by utilizing pure oxygen (enriched oxygen) | |
| CN103224457B (en) | Method and device for continuous preparation of carbamyl chloride | |
| RU2165788C2 (en) | Multitubular reactor with descending film for continuous sulfurization and/or sulfation of liquid organic substance | |
| CS215003B2 (en) | Method of sulphonation or sulphatation of organic compounds and facility for executing the same | |
| CN104108683A (en) | Steady-state chlorine dioxide reactor | |
| US3931273A (en) | Method for sulphonatizing and sulphatizing organic compounds with sulphur trioxide and apparatus therefor | |
| CN104817057A (en) | Pre-mixing device for sulfur-iodine cycle hydrogen production system and sulfur-iodine cycle hydrogen production system | |
| CN204320318U (en) | A kind of gas phase sulfur trioxide sulfonating toluene prepares the sulfonation equipment of p-methyl benzenesulfonic acid | |
| CN104437336B (en) | A kind of gas phase sulfur trioxide sulfonating toluene prepares the sulfonation equipment and preparation method of p-methyl benzenesulfonic acid | |
| CN102127017A (en) | Method for fast producing caprolactam by means of strengthening and mixing | |
| CN202410627U (en) | Cycloolefin hydration reactor | |
| JPH0583230B2 (en) | ||
| CN105413395A (en) | Gas absorption falling film reactor | |
| CN101584969B (en) | Mixer for preparing acrylic acid through propylene two-step oxygenation method | |
| CN215877955U (en) | N, N-dimethylacetamide synthesis system | |
| CN201320465Y (en) | Built-in spiral diversion double-layered reactor | |
| CA1072977A (en) | Process for sulfonation and apparatus therefor | |
| CN205216515U (en) | Gaseous falling liquid film reactor that absorbs | |
| EP2534098B1 (en) | Method and apparatus for adjusting the concentration of acids or lyes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |