CN209848889U - Industrial sulfonation production system - Google Patents
Industrial sulfonation production system Download PDFInfo
- Publication number
- CN209848889U CN209848889U CN201920427190.3U CN201920427190U CN209848889U CN 209848889 U CN209848889 U CN 209848889U CN 201920427190 U CN201920427190 U CN 201920427190U CN 209848889 U CN209848889 U CN 209848889U
- Authority
- CN
- China
- Prior art keywords
- material paddle
- stirring shaft
- rotary drum
- production system
- drum reactor
- 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.)
- Expired - Fee Related
Links
- 238000006277 sulfonation reaction Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 18
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229940117389 dichlorobenzene Drugs 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003960 organic solvent Substances 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 8
- 239000000376 reactant Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- -1 arylamine compounds Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses an industrial sulfonation production system, which comprises a rotary drum reactor, wherein a reaction kettle is arranged in the rotary drum reactor, the rotary drum reactor is provided with a feed inlet, a discharge outlet and a waste liquid port, the discharge outlet and the feed inlet are communicated with the reaction kettle, the reaction kettle is arranged in the rotary drum reactor, a stirring shaft is arranged in the reaction kettle, an upturning material paddle, a pressing material paddle, a pot cover scraping material paddle and a wall scraping material paddle are fixedly arranged on the stirring shaft, a liquid storage tank is arranged on the stirring shaft, a dichlorobenzene solution is added in the liquid storage tank, when the stirring shaft rotates to enable reactants in the kettle to fully react, dichlorobenzene in the liquid storage tank flows out through the pore channel, and water generated by the reaction is continuously moved out of the reactor by utilizing the characteristic that the dichlorobenzene organic solvent is easy to form an azeotrope with water, so that the reaction is complete, and meanwhile, the reaction temperature is reduced by adding the organic solvent.
Description
Technical Field
The utility model relates to a sulfonation production technical field especially relates to an industry sulfonation production system.
Background
The reaction of introducing sulfonic acid group into organic compound molecule is called sulfonation or sulfation reaction, and has important significance in organic synthesis, so that the method is widely applied in many industries of chemical industry. In the sulfonation process, a baking sulfonation method is often used for sulfonation of primary arylamine compounds, the amount of sulfuric acid can be close to the theoretical amount by using the method, but in the reaction, arylamine and sulfuric acid react to generate equimolar sulfonic acid and water, and the presence of water makes the reaction incomplete, so that an industrial sulfonation production system is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that arylamine can react with sulfuric acid to generate equimolar sulfonic acid and water in a sulfonation process, and the existence of water can not completely react, and provides an industrial sulfonation production system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an industrial sulfonation production system comprises a rotary drum reactor, wherein a reaction kettle is arranged in the rotary drum reactor, the rotary drum reactor is provided with a feed inlet, a discharge outlet and a waste liquid port, the discharge outlet and the feed inlet are communicated with the reaction kettle, the discharge outlet is connected with a storage tank, a pipeline on the storage tank is connected with a vacuum pump, the vacuum pump is connected with a finished product tank pipeline, the waste liquid port is connected with a spray tower through a pipeline, and the spray tower is provided with a waste liquid discharge port; the rotary drum type reactor is rotationally connected with a speed reducer through a rotating shaft, and the speed reducer is rotationally connected with a motor through the rotating shaft. The vacuum pump can prevent the product which just reacts from reacting with the oxidizing substance in the air to generate impurities by pumping out the air in the storage tank.
Preferably, reation kettle includes the cauldron body, the internal (mixing) shaft that is provided with of cauldron, be provided with on the (mixing) shaft and turn over the material paddle, push down the material paddle, scrape pot cover material paddle and scrape wall material paddle, the (mixing) shaft with the pivot of speed reducer is rotated and is connected, it is right to turn over the material paddle, push down the material paddle, scrape pot cover material paddle and scrape wall material paddle reactant in the reation kettle stirs, reaction rate with higher speed avoids the production of accessory substance.
Preferably, a liquid storage tank is arranged on the stirring shaft, the liquid storage tank is communicated with the outer wall of the stirring shaft through a pore channel, an included angle of 45 degrees is formed between the pore channel and the stirring shaft, and dichlorobenzene solution is arranged in the liquid storage tank. The dichlorobenzene organic solvent is easy to form an azeotrope with water, the water generated in the reaction is continuously removed from the reactor, the reaction is completely carried out, and the reaction temperature is reduced by adding the organic solvent.
Preferably, scrape the fixed setting of wall material paddle and be in the top of (mixing) shaft, scrape the blade distance of wall material paddle the inner wall distance of the cauldron body is 10mm, it sets up to scrape pot cover material paddle the (mixing) shaft with the junction of the cauldron body, it is being close to push down the material paddle setting scrape pot cover material paddle department, it is being close to turn over the material paddle setting upward scrape wall material paddle department.
Preferably, sulfuric acid with the concentration of 98% is added into the rotary drum reactor, the rotary drum reactor is made of stainless steel, and an insulating layer in the rotary drum reactor is made of asbestos.
Preferably, the bottom end of the drum reactor is fixedly provided with an electric heating element, and the maximum temperature endured by the electric heating element is 420 ℃.
Compared with the prior art, the utility model discloses possess following advantage:
set up reation kettle in the rotary drum formula reactor, set up the (mixing) shaft in the reation kettle, fixed on the (mixing) shaft having set up the material paddle of turning up, down pressing the material paddle, scraping pot cover material paddle and scraping wall material paddle, set up the reservoir on the (mixing) shaft, add dichlorobenzene solution in the reservoir, rotate at the (mixing) shaft and make the interior reactant of cauldron fully react, dichlorobenzene in the reservoir flows through the pore, utilize the dichlorobenzene organic solvent easily with the characteristics that water formed the azeotrope, constantly shift out the reactor with the water that the reaction generated, make the reaction go on completely, it has still reduced reaction temperature to add organic solvent simultaneously.
Drawings
FIG. 1 is a process flow diagram of an industrial sulfonation production system in accordance with the present invention;
fig. 2 is a schematic structural diagram of the reaction kettle of the present invention.
In the figure: 1 drum reactor, 11 feed inlets, 12 discharge outlets, 13 waste liquid outlets, 2 reaction kettles, 21 kettle bodies, 22 stirring shafts, 23 upturning material blades, 24 downward pressing material blades, 25 pot cover scraping material blades, 26 wall scraping material blades, 27 liquid storage tanks, 28 pore canals, 3 storage tanks, 4 vacuum pumps, 5 finished product tanks, 6 speed reducers, 7 motors, 8 spray towers, 81 waste liquid discharge outlets and 9 electric heating elements.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 2, the sulfonation production system comprises a rotary drum reactor 1, a reaction kettle 2 is arranged in the rotary drum reactor 1, the rotary drum reactor 1 is provided with a feed inlet 11, a discharge outlet 12 and a waste liquid outlet 13, the discharge outlet 12 and the feed inlet 11 are communicated with the reaction kettle 2, the discharge outlet 12 is connected with a storage tank 3, a vacuum pump 4 is connected with the storage tank 3 through a pipeline, the vacuum pump 4 is connected with a finished product tank 5 through a pipeline, the waste liquid outlet 13 is connected with a spray tower 8 through a pipeline, and the spray tower 8 is provided with a waste liquid discharge outlet; the rotary drum type reactor 1 is rotationally connected with a speed reducer 6 through a rotating shaft, and the speed reducer 6 is rotationally connected with a motor 7 through the rotating shaft.
Referring to fig. 1, sulfuric acid with a concentration of 98% is added into a drum reactor 1, the drum reactor 1 is made of stainless steel, and an insulating layer in the drum reactor 1 is made of asbestos; the bottom end of the drum type reactor 1 is fixedly provided with an electric heating element 9, the maximum enduring temperature of the electric heating element 9 is 420 ℃, the electric heating element 9 adopts a circulating electric heater, and the maximum power is 1 mW.
Referring to fig. 2, the reaction kettle 2 comprises a kettle body 21, a stirring shaft 22 is arranged in the kettle body 21, an upturning material blade 23, a downward pressing material blade 24, a pot cover scraping material blade 25 and a wall scraping material blade 26 are arranged on the stirring shaft 22, and the stirring shaft 22 is rotatably connected with a rotating shaft of the speed reducer 6; a liquid storage tank 27 is arranged on the stirring shaft 22, the liquid storage tank 27 is communicated with the outer wall of the stirring shaft 22 through a pore passage 28, the pore passage 28 and the stirring shaft 22 form an included angle of 45 degrees, and dichlorobenzene solution is arranged in the liquid storage tank 27; scrape the fixed setting of wall material paddle 26 on the top of (mixing) shaft 22, the inner wall distance of scraping the blade of wall material paddle 26 apart from the cauldron body 1 is 10mm, scrapes pot cover material paddle 25 and sets up in the junction of (mixing) shaft 22 and cauldron body 21, pushes down material paddle 24 and sets up near scraping pot cover material paddle 25 department, turns over material paddle 23 and sets up near scraping wall material paddle 26 department.
Now, the operation principle of the present invention is described as follows:
the utility model discloses in 11 input reation kettle 2 of feed inlet with the sulfonated reactant during the use, open the deceleration action that motor 7 passes through speed reducer 6 and drive (mixing) shaft 22 and rotate, spill in the dichlorobenzene organic solvent in reservoir 27 when (mixing) shaft 22 rotates through pore 28, fixed connection's material paddle 23 that turns over on the (mixing) shaft 22, push down material paddle 24, scrape pot cover material paddle 25 and scrape wall material paddle 26 and carry out the intensive mixing reaction to the sulfonated reactant in reation kettle 2, dichlorobenzene organic solvent easily forms azeotrope with water, the water that will react and generate constantly shifts out the reactor, make the reaction carry out completely, it has still reduced reaction temperature to add organic solvent simultaneously.
In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An industrial sulfonation production system comprises a rotary drum reactor (1), and is characterized in that a reaction kettle (2) is arranged in the rotary drum reactor (1), the rotary drum reactor (1) is provided with a feed inlet (11), a discharge outlet (12) and a waste liquid port (13), the discharge outlet (12) and the feed inlet (11) are communicated with the reaction kettle (2), the discharge outlet (12) is connected with a storage tank (3), a pipeline on the storage tank (3) is connected with a vacuum pump (4), the vacuum pump (4) is connected with a finished product tank (5) through a pipeline, the waste liquid port (13) is connected with a spray tower (8) through a pipeline, and the spray tower (8) is provided with a waste liquid discharge port (81); the rotary drum type reactor (1) is rotationally connected with a speed reducer (6) through a rotating shaft, and the speed reducer (6) is rotationally connected with a motor (7) through the rotating shaft.
2. The industrial sulfonation production system of claim 1, wherein the reaction kettle (2) comprises a kettle body (21), a stirring shaft (22) is arranged in the kettle body (21), an upturning material paddle (23), a pressing material paddle (24), a pot cover scraping material paddle (25) and a wall scraping material paddle (26) are arranged on the stirring shaft (22), and the stirring shaft (22) is rotatably connected with a rotating shaft of the speed reducer (6).
3. The industrial sulfonation production system of claim 2, wherein a reservoir (27) is provided on the stirring shaft (22), the reservoir (27) is communicated with the outer wall of the stirring shaft (22) through a hole (28), the hole (28) and the stirring shaft (22) form an included angle of 45 degrees, and dichlorobenzene solution is provided in the reservoir (27).
4. The industrial sulfonation production system of claim 2, wherein the wall scraping material paddle (26) is fixedly arranged at the top end of the stirring shaft (22), the distance between the blade of the wall scraping material paddle (26) and the inner wall of the kettle body (21) is (10) mm, the pot cover scraping material paddle (25) is arranged at the joint of the stirring shaft (22) and the kettle body (21), the downward pressing material paddle (24) is arranged at a position close to the pot cover scraping material paddle (25), and the upward turning material paddle (23) is arranged at a position close to the wall scraping material paddle (26).
5. The industrial sulfonation production system of claim 1, wherein sulfuric acid with a concentration of 98% is added to the drum reactor (1), the drum reactor (1) is made of stainless steel, and the heat insulation layer in the drum reactor (1) is made of asbestos.
6. An industrial sulphonation production system according to claim 1, characterised in that the bottom end of the drum reactor (1) is fixedly provided with an electric heating element (9), said electric heating element (9) having a maximum temperature resistance of 420 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427190.3U CN209848889U (en) | 2019-04-01 | 2019-04-01 | Industrial sulfonation production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427190.3U CN209848889U (en) | 2019-04-01 | 2019-04-01 | Industrial sulfonation production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209848889U true CN209848889U (en) | 2019-12-27 |
Family
ID=68935848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427190.3U Expired - Fee Related CN209848889U (en) | 2019-04-01 | 2019-04-01 | Industrial sulfonation production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209848889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876756A (en) * | 2019-04-01 | 2019-06-14 | 天津市科德化工有限公司 | Industrial sulfonation production system |
-
2019
- 2019-04-01 CN CN201920427190.3U patent/CN209848889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876756A (en) * | 2019-04-01 | 2019-06-14 | 天津市科德化工有限公司 | Industrial sulfonation production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |