CN112142970A - Continuous production method of isomeric tridecanol polyoxyethylene ether sulfate - Google Patents
Continuous production method of isomeric tridecanol polyoxyethylene ether sulfate Download PDFInfo
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
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Abstract
The invention discloses a continuous production method of isomeric tridecanol polyoxyethylene ether sulfate, which comprises the following steps of (1) isomerizing tridecanol polyether containing different EO numbers and PO numbers and mixed gas of SO 3/air according to the molar ratio of: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate; adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment; compared with the intermittent kettle type reaction commonly used for polyether sulfonation, the method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like.
Description
Technical Field
The invention relates to the technical field of organic preparation of acyclic or carbocyclic compounds, in particular to a continuous production method of isotridecanol polyoxyethylene ether sulfate.
Background
The liquid detergent has the advantages of energy conservation in the manufacturing process, simple and convenient use, low mild irritation and the like, is gradually substituted for washing powder and washing soap, and becomes an important washing product in daily life of people. With the development and progress of the liquid washing industry in recent years, people put higher demands on liquid detergents, and low-foam easy-rinsing and concentration are two important development directions of the liquid detergents.
The isomerous alcohol polyether sodium sulfate has the advantages of high decontamination capability, low foam, good water solubility, no gel zone and the like, is very suitable for producing the easily-rinsed hyperconcentrated laundry detergent, usually polyether sulfonation adopts intermittent kettle type reaction production, and the production method has the problems of low efficiency, more byproducts, poor product quality and the like, and hinders the industrial production of the isomerous alcohol polyether sodium sulfate.
Disclosure of Invention
The invention provides a continuous production method of isotridecanol polyoxyethylene ether sulfate, which overcomes the defects of the prior art, solves the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of isotridecanol polyether by using an advanced tubular reactor, realizes continuous production of isotridecanol polyether sulfate, and has the advantages of excellent decontamination capability, good low foam, water solubility and the like of the produced isotridecanol polyether sodium sulfate, high utilization rate of raw materials, less byproducts, continuous production and the like.
In order to achieve the purpose, the invention adopts the following technical scheme: a continuous production method of isotridecanol polyoxyethylene ether sulfate comprises the following steps:
a. isomeric tridecanol polyethers with different EO and PO numbers and a SO 3/air mixture in a molar ratio of 1: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate;
b. adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment;
c. finally, treating the product treated by the neutralization stripping circulation system by a degassing system to obtain an isomeric tridecanol polyether sulfate product;
the neutralization stripping circulation system in the step b comprises a fixed seat, a fixed ring fixedly arranged on the fixed seat, a discharging barrel arranged on the fixed ring, a neutralization device arranged at the lower end of the discharging barrel and a driving device used for driving the neutralization device to operate, wherein the discharging barrel comprises a plurality of first shafts which are distributed in an equidistant annular mode and one ends of which are fixedly arranged on the fixed ring, an outer barrel body which is sleeved outside the fixed ring and fixedly arranged at the other end of the first shafts, an arc-shaped bottom plate fixedly arranged at the bottom end of the outer barrel body, a first inner barrel body which is positioned in the outer barrel body and fixedly arranged on the arc-shaped bottom plate, a second inner barrel body which is positioned in the first inner barrel body and fixedly arranged on the arc-shaped bottom plate, a first annular cover which is positioned between the outer barrel body and the first inner barrel body and is respectively and rotatably arranged on the outer barrel body and the first, The third annular cover is rotatably arranged on the second annular cover, the first feeding pipe penetrates and is fixedly arranged on the first annular cover, the second feeding pipe penetrates and is fixedly arranged on the second annular cover, and the third feeding pipe penetrates and is fixedly arranged on the third annular cover; the isomeric tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomeric tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, the isomeric tridecanol polyether sulfate, the liquid alkali and the process water are neutralized by a neutralization device, and the neutralization device is driven by a driving device; according to the invention, the advanced tubular reactor is utilized, the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of the isomeric tridecanol polyether are solved, the continuous production of the isomeric tridecanol polyether sulfate is realized, the produced isomeric tridecanol polyether sodium sulfate has excellent performances of excellent decontamination capability, good low foam, water solubility and the like, and the production method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like; the isomerous tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, and then the sprayed three materials are neutralized through a neutralization device, neutralization is completed in the air, the phenomenon that a product after neutralization blocks an outlet of the neutralization device is avoided, continuous production is realized, and the neutralization device is driven through a driving device.
The molar ratio of the isomeric tridecanol polyether to the SO3 is 1 (0.4-0.9), and the gas concentration of SO3 in the SO 3/air mixed gas is 2.5% -4%; high raw material utilization rate, less by-products, continuous production and the like.
The multi-tube sulfonation system consists of a plurality of stainless steel tubes with the length of 6m, and the retention time of the SO 3/air mixed gas in the tubes is less than 0.15 s; high sulfonation efficiency, less by-products and high product quality.
The temperature of the neutralization stripping circulation system is 50-75 ℃, and the vacuum degree is-0.060 MPa to-0.090 MPa.
The neutralization device comprises a plurality of first discharge ports, a plurality of second discharge ports and a plurality of third discharge ports which are distributed on the arc-shaped bottom plate in an equidistant annular manner, a second shaft, two ends of which are respectively and rotatably arranged between the third annular cover and the arc-shaped bottom plate, a first conical body, a first convex part, a housing, a second conical body and a second convex part, wherein the first conical body is fixedly sleeved at the bottom end of the second shaft; the isomerous tridecanol polyether sulfate is sprayed out from a plurality of first discharge ports, the liquid alkali is sprayed out from a plurality of second discharge ports, the process water is sprayed out from a plurality of third discharge ports, the sprayed isomerous tridecanol polyether sulfate, the liquid alkali and the process water are in cross-hedging through the arrangement of the arc-shaped bottom plate, the driving device drives the first conical body to rotate in the forward direction to drive a plurality of first convex parts on the first conical body to revolve, the driving device drives the second conical body to rotate in the reverse direction to drive a plurality of second convex parts on the second conical body to revolve, the process water sprayed out from the plurality of third discharge ports is driven to rotate through the rotating first conical body, and the isomerous tridecanol polyether sulfate sprayed out from the plurality of first discharge ports is driven to rotate; the invention sprays isomeric tridecanol polyether sulfate from a plurality of first discharge ports, sprays liquid alkali from a plurality of second discharge ports, sprays process water from a plurality of third discharge ports, enables the sprayed isomeric tridecanol polyether sulfate, the liquid alkali and the process water to be alternately opposite-flushed through the arrangement of an arc-shaped bottom plate, enables the isomeric tridecanol polyether sulfate, the liquid alkali and the process water to be neutralized in the air, avoids the neutralized product from being adhered to a device, drives a first conical body to rotate in the forward direction through a driving device, drives a plurality of first convex parts on the first conical body to revolve, drives a second conical body to rotate in the reverse direction at the same time, drives a plurality of second convex parts on the second conical body to revolve, drives the process water sprayed from a plurality of third discharge ports to rotate through the rotating first conical body, drives the isomeric tridecanol polyether sulfate sprayed from a plurality of first discharge ports to rotate through the rotating second conical body, and can improve the opposite-flushing, the effect of neutralization has been improved promptly, can improve the first cone of pivoted through first convex part setting and drive the pivoted effect of process water, can improve the pivoted effect of isomeric tridecanol polyether sulfate through the second convex part on the same principle, it can make the two reposition of redundant personnel effect improve to rotate the setting through process water and isomeric tridecanol polyether sulfate, improve the homogeneity of the two simultaneously, make more even and quick of neutralization, process water and isomeric tridecanol polyether sulfate slew velocity are unanimous and opposite direction, reduce the influence to the liquid caustic soda, make in-process even be located in the middle of process water and the isomeric tridecanol polyether sulfate in the liquid caustic soda, make the quick even neutralization of three, can also reduce the material adhesion on the two through pivoted first cone and second cone setting.
The first discharge ports and the second discharge ports are arranged in a staggered mode, and the second discharge ports and the third discharge ports are arranged in a staggered mode; the first discharge ports are obliquely arranged towards one direction, the third discharge ports are obliquely arranged towards one direction, and the oblique direction of the first discharge ports is opposite to that of the third discharge ports; can improve the homogeneity in the two through the crisscross setting of second discharge gate and second discharge gate, can improve the homogeneity in the two through the crisscross setting of second discharge gate and third discharge gate, the rotation that has improved isomeric tridecanol polyether sulphate once more is set up through first discharge gate slope, the same with second toper rotation direction, it rotates to be convenient for second toper drive it, set up through third discharge gate slope, it is the same with first toper rotation direction, the rotation of process water has been improved once more, the in-process offset has been improved, the three can contact simultaneously, improve wherein the mobility with the after-product, make the great improvement of neutralization effect.
The neutralizing device comprises a third conical body fixedly arranged at the lower end of the first conical body, a first cambered surface arranged on the third conical body, a first extension plate fixedly sleeved on the third conical body, a plurality of third convex parts fixedly arranged on the first extension plate in an equidistant annular distribution manner, a fourth conical body fixedly arranged at the lower end of the second conical body, a second cambered surface arranged on the fourth conical body, a second extension plate fixedly sleeved on the fourth conical body, and a plurality of fourth convex parts fixedly arranged on the second extension plate in an equidistant annular distribution manner; the first conical body rotates to drive the third conical body to rotate, the process water is guided by a first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isomeric tridecanol polyether sulfate does centrifugal motion to move towards the direction of liquid alkali by a second cambered surface on the rotating fourth conical body, and finally the isomeric tridecanol polyether sulfate, the liquid alkali and the process water are neutralized; the invention drives the third conical body to rotate through the rotation of the first conical body, the process water is guided by the first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isotridecanol polyether sulfate is guided by the second cambered surface on the rotating fourth conical body to do centrifugal motion towards the direction of liquid alkali, the neutralization effect of the three is improved again, the three can be neutralized with uniform efficiency, the centrifugal motion force of the process water can be improved through the arrangement of the first extension plate, the centrifugal motion force of the isotridecanol polyether sulfate can be improved through the arrangement of the second extension plate, the process water is centrifugally moved in a wave track through the arrangement of the third convex part, the isotridecanol polyether sulfate is centrifugally moved in a wave track through the arrangement of the fourth convex part, and the neutralization effect of the three is improved again, so that the three components are quickly and uniformly neutralized.
The driving device comprises a toothed ring, a first annular groove, a plurality of first tooth grooves and second tooth grooves, a driving shaft, a first gear, a second gear, a plurality of third tooth grooves, a plurality of third gears, a plurality of first balls, a second annular groove and a plurality of second balls, wherein the lower end of the toothed ring is fixedly arranged at the upper end of the housing; the first gear is driven to rotate through the driving shaft, the first gear is meshed with the first tooth groove so as to enable the gear ring to rotate, the third gear is respectively meshed with the second tooth groove and the third tooth groove so as to drive the third gear to rotate in the rotating process of the gear ring, the third gear drives the second gear to rotate, the rotating direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing so as to drive the housing to rotate, and finally the fourth conical body is driven to rotate, the second gear rotates to drive the second shaft to rotate, and finally the first conical body and the third conical body are driven to rotate; the first gear is driven to rotate by the driving shaft, the first gear is meshed with the first tooth groove so as to enable the gear ring to rotate, the third gear is respectively meshed with the second tooth groove and the third tooth groove so as to enable the third gear to rotate in the rotation process of the gear ring, the third gear drives the second gear to rotate, the rotation direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing so as to drive the housing to rotate, the fourth conical body is finally driven to rotate, the second gear drives the second shaft to rotate, the first conical body and the third conical body are finally driven to rotate, and the rotation speed of the first conical body is consistent with that of the second conical body and the directions of the first conical body and the second conical body are opposite; make the ring gear rotate in-process it and can be located first ring channel through a plurality of first ball settings and roll, the stability of ring gear rotation in-process has been improved, make better and the third gear engagement of ring gear, set up through a plurality of second balls and make the second gear rotate in-process second ball and can be located the second ring channel and roll, the stability of second gear rotation in-process has been improved, make better and the third gear engagement of second gear, even the third gear better with the second tooth's socket on the ring gear and the third tooth's socket on the second gear mesh, stability and interlock among the improvement transmission process.
The invention has the following advantages: the advanced tubular reactor is utilized to solve the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of the isomeric tridecanol polyether, the continuous production of the isomeric tridecanol polyether sulfate is realized, the produced isomeric tridecanol polyether sodium sulfate has excellent performances of excellent decontamination capability, good low foam, water solubility and the like, and the production method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like.
Drawings
FIG. 1 is a schematic flow chart of a continuous production method of isotridecanol polyoxyethylene ether sulfate.
Fig. 2 is a schematic side view of a neutralization stripping cycle system.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of fig. 3 at B.
Fig. 6 is a structural sectional view taken along line B-B in fig. 3.
Fig. 7 is an enlarged view of fig. 6 at C.
Fig. 8 is a sectional view taken along line C-C of fig. 3.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a continuous production method of isotridecanol polyoxyethylene ether sulfate comprises the following steps:
a. isomeric tridecanol polyethers with different EO and PO numbers and a SO 3/air mixture in a molar ratio of 1: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate;
b. adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment;
c. finally, treating the product treated by the neutralization stripping circulation system by a degassing system to obtain an isomeric tridecanol polyether sulfate product;
adding mixed gas (gas concentration is 2.5%) of isomeric tridecanol polyether (PO number m is 1, EO number n is 3) and SO3 air into a multi-tube sulfonation system according to the molar ratio of isomeric tridecanol polyether to SO3 of 1:0.85 to react to generate isomeric tridecanol polyether sulfate, controlling the temperature of sulfonation cooling water to be 50 ℃, adding obtained isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system to react to generate tridecanol polyether sodium sulfate, wherein the temperature of the neutralization stripping circulation system is 55 ℃, and the vacuum degree is-0.080 MPa.
The structural formula of the isomeric tridecanol polyether sulfate is as follows:
wherein R is an alkyl chain, the PO number is m =1-3, and the EO number is n = 3-9.
As shown in fig. 1-8, the neutralization stripping circulation system in step b includes a fixed base 1, a fixed ring 2 fixed on the fixed base, a discharging barrel 3 fixed on the fixed ring, a neutralization device 4 arranged at the lower end of the discharging barrel, and a driving device 5 for driving the neutralization device to operate, wherein the discharging barrel 3 includes a plurality of first shafts 31 distributed in an equidistant annular shape and having one ends fixed on the fixed ring, an outer barrel 32 sleeved outside the fixed ring and fixed on the other end of the first shafts, an arc-shaped bottom plate 33 fixed at the bottom end of the outer barrel, a first inner barrel 34 positioned in the outer barrel and fixed on the arc-shaped bottom plate, a second inner barrel 35 positioned in the first inner barrel and fixed on the arc-shaped bottom plate, a first annular cover 36 positioned in the middle of the outer barrel and the first inner barrel and respectively rotatably arranged on the outer barrel and the first inner barrel, a second annular cover 37 positioned in the middle of the first inner barrel and the second inner barrel and, A third annular cover 38 rotatably arranged on the second annular cover, a first feeding pipe 39 fixedly arranged on the first annular cover in a penetrating way, a second feeding pipe 310 fixedly arranged on the second annular cover in a penetrating way, and a third feeding pipe 311 fixedly arranged on the third annular cover in a penetrating way; by utilizing an advanced tubular reactor, the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of the isomeric tridecanol polyether are solved, the continuous production of the isomeric tridecanol polyether sulfate is realized, the produced isomeric tridecanol polyether sodium sulfate has excellent performances of excellent decontamination capability, good low foam, water solubility and the like, and the production method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like; the isomerous tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, and then the sprayed three materials are neutralized through a neutralization device, neutralization is completed in the air, the phenomenon that a product after neutralization blocks an outlet of the neutralization device is avoided, continuous production is realized, and the neutralization device is driven through a driving device.
The molar ratio of the isomeric tridecanol polyether to the SO3 is 1 (0.4-0.9), and the gas concentration of SO3 in the SO 3/air mixed gas is 2.5% -4%; high raw material utilization rate, less by-products, continuous production and the like.
The multi-tube sulfonation system consists of a plurality of stainless steel tubes with the length of 6m, and the retention time of the SO 3/air mixed gas in the tubes is less than 0.15 s; high sulfonation efficiency, less by-products and high product quality.
The temperature of the neutralization stripping circulation system is 50-75 ℃, and the vacuum degree is-0.060 MPa to-0.090 MPa.
The neutralization device 4 comprises a plurality of first discharge holes 41, a plurality of second discharge holes 42 and a plurality of third discharge holes 43 which are distributed on an arc-shaped bottom plate in an equidistant annular manner, a second shaft 44 with two ends respectively rotatably arranged in the middle of a third annular cover and the arc-shaped bottom plate, a first conical body 45 fixedly sleeved at the bottom end of the second shaft, first convex parts 46 fixedly arranged on the first conical body in an equidistant annular manner, a housing 47 rotatably sleeved on the outer barrel body, a second conical body 48 fixedly arranged on the housing, and second convex parts 49 fixedly arranged on the second conical body in an equidistant annular manner; the process water is sprayed out from a plurality of first discharge ports through isomeric tridecanol polyether sulfate, the liquid alkali is sprayed out from a plurality of second discharge ports, the process water is sprayed out from a plurality of third discharge ports, the sprayed isomeric tridecanol polyether sulfate, the liquid alkali and the process water are in cross hedging through the arrangement of the arc-shaped bottom plate, the three can be neutralized in the air, the neutralized product is prevented from being adhered to a device, a driving device drives a first conical body to rotate in the forward direction to drive a plurality of first convex parts on the first conical body to revolve, meanwhile, the driving device drives a second conical body to rotate in the reverse direction to drive a plurality of second convex parts on the second conical body to revolve, the process water sprayed out from a plurality of third discharge ports is driven to rotate through the rotating first conical body, the isomeric tridecanol polyether sulfate sprayed out from a plurality of first discharge ports is driven to rotate through the rotating second conical body, and the hedging effect, the effect of neutralization has been improved promptly, can improve the first cone of pivoted through first convex part setting and drive the pivoted effect of process water, can improve the pivoted effect of isomeric tridecanol polyether sulfate through the second convex part on the same principle, it can make the two reposition of redundant personnel effect improve to rotate the setting through process water and isomeric tridecanol polyether sulfate, improve the homogeneity of the two simultaneously, make more even and quick of neutralization, process water and isomeric tridecanol polyether sulfate slew velocity are unanimous and opposite direction, reduce the influence to the liquid caustic soda, make in-process even be located in the middle of process water and the isomeric tridecanol polyether sulfate in the liquid caustic soda, make the quick even neutralization of three, can also reduce the material adhesion on the two through pivoted first cone and second cone setting.
The plurality of first discharge holes 41 and the plurality of second discharge holes 42 are arranged in a staggered manner, and the plurality of second discharge holes 42 and the plurality of third discharge holes 43 are arranged in a staggered manner; the first discharge ports are obliquely arranged towards one direction, the third discharge ports are obliquely arranged towards one direction, and the oblique direction of the first discharge ports is opposite to that of the third discharge ports; can improve the homogeneity in the two through the crisscross setting of second discharge gate and second discharge gate, can improve the homogeneity in the two through the crisscross setting of second discharge gate and third discharge gate, the rotation that has improved isomeric tridecanol polyether sulphate once more is set up through first discharge gate slope, the same with second toper rotation direction, it rotates to be convenient for second toper drive it, set up through third discharge gate slope, it is the same with first toper rotation direction, the rotation of process water has been improved once more, the in-process offset has been improved, the three can contact simultaneously, improve wherein the mobility with the after-product, make the great improvement of neutralization effect.
The neutralization device 4 comprises a third conical body 410 fixedly arranged at the lower end of the first conical body, a first cambered surface 411 arranged on the third conical body, a first extension plate 412 fixedly sleeved on the third conical body, a plurality of third convex parts 413 fixedly arranged on the first extension plate in an equidistant annular distribution manner, a fourth conical body 414 fixedly arranged at the lower end of the second conical body, a second cambered surface 415 arranged on the fourth conical body, a second extension plate 416 fixedly sleeved on the fourth conical body, and a plurality of fourth convex parts 417 fixedly arranged on the second extension plate in an equidistant annular distribution manner; the first conical body rotates to drive the third conical body to rotate, the process water is guided by a first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isotridecanol polyether sulfate is guided by a second cambered surface on the rotating fourth conical body to do centrifugal motion towards the direction of liquid alkali, the neutralization effect of the process water, the isotridecanol polyether sulfate and the liquid alkali is improved again, the process water can be neutralized uniformly and efficiently, the centrifugal motion force of the process water can be improved by the arrangement of the first extension plate, the centrifugal motion force of the isotridecanol polyether sulfate can be improved by the arrangement of the second extension plate, the process water is made to do centrifugal motion in a wave track by the arrangement of the third convex part, the isotridecanol polyether sulfate is made to do centrifugal motion in a wave track by the arrangement of the fourth convex part, and the neutralization effect of, so that the three components are quickly and uniformly neutralized.
The driving device 5 comprises a toothed ring 51, a first annular groove 52, a plurality of first tooth grooves 53 and second tooth grooves 54, a driving shaft 55, a first gear 56, a second gear 57, a plurality of third tooth grooves 58, a plurality of third gear grooves 59, a plurality of third gears 59, a plurality of first balls 510, a plurality of second annular grooves 511 and a plurality of second balls 512, wherein the lower end of the toothed ring is fixedly arranged at the upper end of the housing; the first gear is driven to rotate by the driving shaft and is meshed with the first tooth groove so as to enable the gear ring to rotate, the third gear is respectively meshed with the second tooth groove and the third tooth groove so as to enable the third gear to rotate in the rotation process of the gear ring, the third gear drives the second gear to rotate, the rotation direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing so as to drive the housing to rotate and finally drive the fourth conical body to rotate, the second gear drives the second shaft to rotate and finally drive the first conical body and the third conical body to rotate, and the rotation speed of the first conical body is consistent with that of the second conical body and the rotation directions of the first conical body and the second conical body are opposite; make the ring gear rotate in-process it and can be located first ring channel through a plurality of first ball settings and roll, the stability of ring gear rotation in-process has been improved, make better and the third gear engagement of ring gear, set up through a plurality of second balls and make the second gear rotate in-process second ball and can be located the second ring channel and roll, the stability of second gear rotation in-process has been improved, make better and the third gear engagement of second gear, even the third gear better with the second tooth's socket on the ring gear and the third tooth's socket on the second gear mesh, stability and interlock among the improvement transmission process.
Example 2:
a continuous production method of isotridecanol polyoxyethylene ether sulfate comprises the following steps:
a. isomeric tridecanol polyethers with different EO and PO numbers and a SO 3/air mixture in a molar ratio of 1: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate;
b. adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment;
c. finally, treating the product treated by the neutralization stripping circulation system by a degassing system to obtain an isomeric tridecanol polyether sulfate product;
enabling the isomeric tridecanol polyether (PO number m is 2, EO number n is 6) and SO3 air mixed gas (gas concentration is 2.5%) to enter a multi-tube sulfonation system according to the molar ratio of the isomeric tridecanol polyether to SO3 of 1:0.72 to react to generate isomeric tridecanol polyether sulfate, controlling the temperature of sulfonation cooling water to be 55 ℃, enabling the obtained isomeric tridecanol polyether sulfate, liquid caustic soda and process water to enter a neutralization stripping circulation system to react to generate tridecanol polyether sodium sulfate, enabling the temperature of the neutralization stripping circulation system to be 50 ℃ and the vacuum degree to be-0.085 MPa.
As shown in fig. 1-8, the neutralization stripping circulation system in step b includes a fixed base 1, a fixed ring 2 fixed on the fixed base, a discharging barrel 3 fixed on the fixed ring, a neutralization device 4 arranged at the lower end of the discharging barrel, and a driving device 5 for driving the neutralization device to operate, wherein the discharging barrel 3 includes a plurality of first shafts 31 distributed in an equidistant annular shape and having one ends fixed on the fixed ring, an outer barrel 32 sleeved outside the fixed ring and fixed on the other end of the first shafts, an arc-shaped bottom plate 33 fixed at the bottom end of the outer barrel, a first inner barrel 34 positioned in the outer barrel and fixed on the arc-shaped bottom plate, a second inner barrel 35 positioned in the first inner barrel and fixed on the arc-shaped bottom plate, a first annular cover 36 positioned in the middle of the outer barrel and the first inner barrel and respectively rotatably arranged on the outer barrel and the first inner barrel, a second annular cover 37 positioned in the middle of the first inner barrel and the second inner barrel and, A third annular cover 38 rotatably arranged on the second annular cover, a first feeding pipe 39 fixedly arranged on the first annular cover in a penetrating way, a second feeding pipe 310 fixedly arranged on the second annular cover in a penetrating way, and a third feeding pipe 311 fixedly arranged on the third annular cover in a penetrating way; by utilizing an advanced tubular reactor, the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of the isomeric tridecanol polyether are solved, the continuous production of the isomeric tridecanol polyether sulfate is realized, the produced isomeric tridecanol polyether sodium sulfate has excellent performances of excellent decontamination capability, good low foam, water solubility and the like, and the production method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like; the isomerous tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, and then the sprayed three materials are neutralized through a neutralization device, neutralization is completed in the air, the phenomenon that a product after neutralization blocks an outlet of the neutralization device is avoided, continuous production is realized, and the neutralization device is driven through a driving device.
The molar ratio of the isomeric tridecanol polyether to the SO3 is 1 (0.4-: 0.9), and the gas concentration of the SO3 in the SO 3/air mixed gas is 2.5% -4%; high raw material utilization rate, less by-products, continuous production and the like.
The multi-tube sulfonation system consists of a plurality of stainless steel tubes with the length of 6m, and the retention time of the SO 3/air mixed gas in the tubes is less than 0.15 s; high sulfonation efficiency, less by-products and high product quality.
The temperature of the neutralization stripping circulation system is 50-75 ℃, and the vacuum degree is-0.060 MPa to-0.090 MPa.
The neutralization device 4 comprises a plurality of first discharge holes 41, a plurality of second discharge holes 42 and a plurality of third discharge holes 43 which are distributed on an arc-shaped bottom plate in an equidistant annular manner, a second shaft 44 with two ends respectively rotatably arranged in the middle of a third annular cover and the arc-shaped bottom plate, a first conical body 45 fixedly sleeved at the bottom end of the second shaft, first convex parts 46 fixedly arranged on the first conical body in an equidistant annular manner, a housing 47 rotatably sleeved on the outer barrel body, a second conical body 48 fixedly arranged on the housing, and second convex parts 49 fixedly arranged on the second conical body in an equidistant annular manner; the process water is sprayed out from a plurality of first discharge ports through isomeric tridecanol polyether sulfate, the liquid alkali is sprayed out from a plurality of second discharge ports, the process water is sprayed out from a plurality of third discharge ports, the sprayed isomeric tridecanol polyether sulfate, the liquid alkali and the process water are in cross hedging through the arrangement of the arc-shaped bottom plate, the three can be neutralized in the air, the neutralized product is prevented from being adhered to a device, a driving device drives a first conical body to rotate in the forward direction to drive a plurality of first convex parts on the first conical body to revolve, meanwhile, the driving device drives a second conical body to rotate in the reverse direction to drive a plurality of second convex parts on the second conical body to revolve, the process water sprayed out from a plurality of third discharge ports is driven to rotate through the rotating first conical body, the isomeric tridecanol polyether sulfate sprayed out from a plurality of first discharge ports is driven to rotate through the rotating second conical body, and the hedging effect, the effect of neutralization has been improved promptly, can improve the first cone of pivoted through first convex part setting and drive the pivoted effect of process water, can improve the pivoted effect of isomeric tridecanol polyether sulfate through the second convex part on the same principle, it can make the two reposition of redundant personnel effect improve to rotate the setting through process water and isomeric tridecanol polyether sulfate, improve the homogeneity of the two simultaneously, make more even and quick of neutralization, process water and isomeric tridecanol polyether sulfate slew velocity are unanimous and opposite direction, reduce the influence to the liquid caustic soda, make in-process even be located in the middle of process water and the isomeric tridecanol polyether sulfate in the liquid caustic soda, make the quick even neutralization of three, can also reduce the material adhesion on the two through pivoted first cone and second cone setting.
The plurality of first discharge holes 41 and the plurality of second discharge holes 42 are arranged in a staggered manner, and the plurality of second discharge holes 42 and the plurality of third discharge holes 43 are arranged in a staggered manner; the first discharge ports are obliquely arranged towards one direction, the third discharge ports are obliquely arranged towards one direction, and the oblique direction of the first discharge ports is opposite to that of the third discharge ports; can improve the homogeneity in the two through the crisscross setting of second discharge gate and second discharge gate, can improve the homogeneity in the two through the crisscross setting of second discharge gate and third discharge gate, the rotation that has improved isomeric tridecanol polyether sulphate once more is set up through first discharge gate slope, the same with second toper rotation direction, it rotates to be convenient for second toper drive it, set up through third discharge gate slope, it is the same with first toper rotation direction, the rotation of process water has been improved once more, the in-process offset has been improved, the three can contact simultaneously, improve wherein the mobility with the after-product, make the great improvement of neutralization effect.
The neutralization device 4 comprises a third conical body 410 fixedly arranged at the lower end of the first conical body, a first cambered surface 411 arranged on the third conical body, a first extension plate 412 fixedly sleeved on the third conical body, a plurality of third convex parts 413 fixedly arranged on the first extension plate in an equidistant annular distribution manner, a fourth conical body 414 fixedly arranged at the lower end of the second conical body, a second cambered surface 415 arranged on the fourth conical body, a second extension plate 416 fixedly sleeved on the fourth conical body, and a plurality of fourth convex parts 417 fixedly arranged on the second extension plate in an equidistant annular distribution manner; the first conical body rotates to drive the third conical body to rotate, the process water is guided by a first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isotridecanol polyether sulfate is guided by a second cambered surface on the rotating fourth conical body to do centrifugal motion towards the direction of liquid alkali, the neutralization effect of the process water, the isotridecanol polyether sulfate and the liquid alkali is improved again, the process water can be neutralized uniformly and efficiently, the centrifugal motion force of the process water can be improved by the arrangement of the first extension plate, the centrifugal motion force of the isotridecanol polyether sulfate can be improved by the arrangement of the second extension plate, the process water is made to do centrifugal motion in a wave track by the arrangement of the third convex part, the isotridecanol polyether sulfate is made to do centrifugal motion in a wave track by the arrangement of the fourth convex part, and the neutralization effect of, so that the three components are quickly and uniformly neutralized.
The driving device 5 comprises a toothed ring 51, a first annular groove 52, a plurality of first tooth grooves 53 and second tooth grooves 54, a driving shaft 55, a first gear 56, a second gear 57, a plurality of third tooth grooves 58, a plurality of third gear grooves 59, a plurality of third gears 59, a plurality of first balls 510, a plurality of second annular grooves 511 and a plurality of second balls 512, wherein the lower end of the toothed ring is fixedly arranged at the upper end of the housing; the first gear is driven to rotate by the driving shaft and is meshed with the first tooth groove so as to enable the gear ring to rotate, the third gear is respectively meshed with the second tooth groove and the third tooth groove so as to enable the third gear to rotate in the rotation process of the gear ring, the third gear drives the second gear to rotate, the rotation direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing so as to drive the housing to rotate and finally drive the fourth conical body to rotate, the second gear drives the second shaft to rotate and finally drive the first conical body and the third conical body to rotate, and the rotation speed of the first conical body is consistent with that of the second conical body and the rotation directions of the first conical body and the second conical body are opposite; make the ring gear rotate in-process it and can be located first ring channel through a plurality of first ball settings and roll, the stability of ring gear rotation in-process has been improved, make better and the third gear engagement of ring gear, set up through a plurality of second balls and make the second gear rotate in-process second ball and can be located the second ring channel and roll, the stability of second gear rotation in-process has been improved, make better and the third gear engagement of second gear, even the third gear better with the second tooth's socket on the ring gear and the third tooth's socket on the second gear mesh, stability and interlock among the improvement transmission process.
Example 3:
a continuous production method of isotridecanol polyoxyethylene ether sulfate comprises the following steps:
a. isomeric tridecanol polyethers with different EO and PO numbers and a SO 3/air mixture in a molar ratio of 1: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate;
b. adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment;
c. finally, treating the product treated by the neutralization stripping circulation system by a degassing system to obtain an isomeric tridecanol polyether sulfate product;
enabling the isomeric tridecanol polyether (PO number m is 3, EO number n is 9) and SO3 air mixed gas (gas concentration is 2.0%) to enter a multi-tube sulfonation system according to the molar ratio of the isomeric tridecanol polyether to SO3 of 1:0.5 to react to generate isomeric tridecanol polyether sulfate, controlling the temperature of sulfonation cooling water to be 65 ℃, enabling the obtained isomeric tridecanol polyether sulfate, liquid caustic soda and process water to enter a neutralization stripping circulation system to react to generate tridecanol polyether sodium sulfate, enabling the temperature of the neutralization stripping circulation system to be 50 ℃ and enabling the vacuum degree to be-0.085 MPa.
As shown in fig. 1-8, the neutralization stripping circulation system in step b includes a fixed base 1, a fixed ring 2 fixed on the fixed base, a discharging barrel 3 fixed on the fixed ring, a neutralization device 4 arranged at the lower end of the discharging barrel, and a driving device 5 for driving the neutralization device to operate, wherein the discharging barrel 3 includes a plurality of first shafts 31 distributed in an equidistant annular shape and having one ends fixed on the fixed ring, an outer barrel 32 sleeved outside the fixed ring and fixed on the other end of the first shafts, an arc-shaped bottom plate 33 fixed at the bottom end of the outer barrel, a first inner barrel 34 positioned in the outer barrel and fixed on the arc-shaped bottom plate, a second inner barrel 35 positioned in the first inner barrel and fixed on the arc-shaped bottom plate, a first annular cover 36 positioned in the middle of the outer barrel and the first inner barrel and respectively rotatably arranged on the outer barrel and the first inner barrel, a second annular cover 37 positioned in the middle of the first inner barrel and the second inner barrel and, A third annular cover 38 rotatably arranged on the second annular cover, a first feeding pipe 39 fixedly arranged on the first annular cover in a penetrating way, a second feeding pipe 310 fixedly arranged on the second annular cover in a penetrating way, and a third feeding pipe 311 fixedly arranged on the third annular cover in a penetrating way; by utilizing an advanced tubular reactor, the problems of low kettle type sulfonation efficiency, more byproducts, poor product quality and the like of the isomeric tridecanol polyether are solved, the continuous production of the isomeric tridecanol polyether sulfate is realized, the produced isomeric tridecanol polyether sodium sulfate has excellent performances of excellent decontamination capability, good low foam, water solubility and the like, and the production method has the advantages of high raw material utilization rate, less byproducts, continuous production and the like; the isomerous tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, and then the sprayed three materials are neutralized through a neutralization device, neutralization is completed in the air, the phenomenon that a product after neutralization blocks an outlet of the neutralization device is avoided, continuous production is realized, and the neutralization device is driven through a driving device.
The molar ratio of the isomeric tridecanol polyether to the SO3 is 1 (0.4-: 0.9), and the gas concentration of the SO3 in the SO 3/air mixed gas is 2.5% -4%; high raw material utilization rate, less by-products, continuous production and the like.
The multi-tube sulfonation system consists of a plurality of stainless steel tubes with the length of 6m, and the retention time of the SO 3/air mixed gas in the tubes is less than 0.15 s; high sulfonation efficiency, less by-products and high product quality.
The temperature of the neutralization stripping circulation system is 50-75 ℃, and the vacuum degree is-0.060 MPa to-0.090 MPa.
The neutralization device 4 comprises a plurality of first discharge holes 41, a plurality of second discharge holes 42 and a plurality of third discharge holes 43 which are distributed on an arc-shaped bottom plate in an equidistant annular manner, a second shaft 44 with two ends respectively rotatably arranged in the middle of a third annular cover and the arc-shaped bottom plate, a first conical body 45 fixedly sleeved at the bottom end of the second shaft, first convex parts 46 fixedly arranged on the first conical body in an equidistant annular manner, a housing 47 rotatably sleeved on the outer barrel body, a second conical body 48 fixedly arranged on the housing, and second convex parts 49 fixedly arranged on the second conical body in an equidistant annular manner; the process water is sprayed out from a plurality of first discharge ports through isomeric tridecanol polyether sulfate, the liquid alkali is sprayed out from a plurality of second discharge ports, the process water is sprayed out from a plurality of third discharge ports, the sprayed isomeric tridecanol polyether sulfate, the liquid alkali and the process water are in cross hedging through the arrangement of the arc-shaped bottom plate, the three can be neutralized in the air, the neutralized product is prevented from being adhered to a device, a driving device drives a first conical body to rotate in the forward direction to drive a plurality of first convex parts on the first conical body to revolve, meanwhile, the driving device drives a second conical body to rotate in the reverse direction to drive a plurality of second convex parts on the second conical body to revolve, the process water sprayed out from a plurality of third discharge ports is driven to rotate through the rotating first conical body, the isomeric tridecanol polyether sulfate sprayed out from a plurality of first discharge ports is driven to rotate through the rotating second conical body, and the hedging effect, the effect of neutralization has been improved promptly, can improve the first cone of pivoted through first convex part setting and drive the pivoted effect of process water, can improve the pivoted effect of isomeric tridecanol polyether sulfate through the second convex part on the same principle, it can make the two reposition of redundant personnel effect improve to rotate the setting through process water and isomeric tridecanol polyether sulfate, improve the homogeneity of the two simultaneously, make more even and quick of neutralization, process water and isomeric tridecanol polyether sulfate slew velocity are unanimous and opposite direction, reduce the influence to the liquid caustic soda, make in-process even be located in the middle of process water and the isomeric tridecanol polyether sulfate in the liquid caustic soda, make the quick even neutralization of three, can also reduce the material adhesion on the two through pivoted first cone and second cone setting.
The plurality of first discharge holes 41 and the plurality of second discharge holes 42 are arranged in a staggered manner, and the plurality of second discharge holes 42 and the plurality of third discharge holes 43 are arranged in a staggered manner; the first discharge ports are obliquely arranged towards one direction, the third discharge ports are obliquely arranged towards one direction, and the oblique direction of the first discharge ports is opposite to that of the third discharge ports; can improve the homogeneity in the two through the crisscross setting of second discharge gate and second discharge gate, can improve the homogeneity in the two through the crisscross setting of second discharge gate and third discharge gate, the rotation that has improved isomeric tridecanol polyether sulphate once more is set up through first discharge gate slope, the same with second toper rotation direction, it rotates to be convenient for second toper drive it, set up through third discharge gate slope, it is the same with first toper rotation direction, the rotation of process water has been improved once more, the in-process offset has been improved, the three can contact simultaneously, improve wherein the mobility with the after-product, make the great improvement of neutralization effect.
The neutralization device 4 comprises a third conical body 410 fixedly arranged at the lower end of the first conical body, a first cambered surface 411 arranged on the third conical body, a first extension plate 412 fixedly sleeved on the third conical body, a plurality of third convex parts 413 fixedly arranged on the first extension plate in an equidistant annular distribution manner, a fourth conical body 414 fixedly arranged at the lower end of the second conical body, a second cambered surface 415 arranged on the fourth conical body, a second extension plate 416 fixedly sleeved on the fourth conical body, and a plurality of fourth convex parts 417 fixedly arranged on the second extension plate in an equidistant annular distribution manner; the first conical body rotates to drive the third conical body to rotate, the process water is guided by a first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isotridecanol polyether sulfate is guided by a second cambered surface on the rotating fourth conical body to do centrifugal motion towards the direction of liquid alkali, the neutralization effect of the process water, the isotridecanol polyether sulfate and the liquid alkali is improved again, the process water can be neutralized uniformly and efficiently, the centrifugal motion force of the process water can be improved by the arrangement of the first extension plate, the centrifugal motion force of the isotridecanol polyether sulfate can be improved by the arrangement of the second extension plate, the process water is made to do centrifugal motion in a wave track by the arrangement of the third convex part, the isotridecanol polyether sulfate is made to do centrifugal motion in a wave track by the arrangement of the fourth convex part, and the neutralization effect of, so that the three components are quickly and uniformly neutralized.
The driving device 5 comprises a toothed ring 51, a first annular groove 52, a plurality of first tooth grooves 53 and second tooth grooves 54, a driving shaft 55, a first gear 56, a second gear 57, a plurality of third tooth grooves 58, a plurality of third gear grooves 59, a plurality of third gears 59, a plurality of first balls 510, a plurality of second annular grooves 511 and a plurality of second balls 512, wherein the lower end of the toothed ring is fixedly arranged at the upper end of the housing; the first gear is driven to rotate by the driving shaft and is meshed with the first tooth groove so as to enable the gear ring to rotate, the third gear is respectively meshed with the second tooth groove and the third tooth groove so as to enable the third gear to rotate in the rotation process of the gear ring, the third gear drives the second gear to rotate, the rotation direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing so as to drive the housing to rotate and finally drive the fourth conical body to rotate, the second gear drives the second shaft to rotate and finally drive the first conical body and the third conical body to rotate, and the rotation speed of the first conical body is consistent with that of the second conical body and the rotation directions of the first conical body and the second conical body are opposite; make the ring gear rotate in-process it and can be located first ring channel through a plurality of first ball settings and roll, the stability of ring gear rotation in-process has been improved, make better and the third gear engagement of ring gear, set up through a plurality of second balls and make the second gear rotate in-process second ball and can be located the second ring channel and roll, the stability of second gear rotation in-process has been improved, make better and the third gear engagement of second gear, even the third gear better with the second tooth's socket on the ring gear and the third tooth's socket on the second gear mesh, stability and interlock among the improvement transmission process.
Claims (8)
1. A continuous production method of isotridecanol polyoxyethylene ether sulfate is characterized in that: the method comprises the following steps:
a. isomeric tridecanol polyethers with different EO and PO numbers and a SO 3/air mixture in a molar ratio of 1: (0.4-0.9) entering a multi-tube sulfonation system, and reacting at the temperature of 35-70 ℃ to generate isomeric tridecanol polyether sulfate;
b. adding the generated isomeric tridecanol polyether sulfate, liquid alkali and process water into a neutralization stripping circulation system for treatment;
c. finally, treating the product treated by the neutralization stripping circulation system by a degassing system to obtain an isomeric tridecanol polyether sulfate product;
the neutralization stripping circulation system in the step b comprises a fixed seat (1), a fixed ring (2) fixedly arranged on the fixed seat, a feeding barrel (3) arranged on the fixed ring, a neutralization device (4) arranged at the lower end of the feeding barrel and a driving device (5) used for driving the neutralization device to run, wherein the feeding barrel (3) comprises a plurality of first shafts (31) which are distributed in an equidistant annular mode and one ends of which are fixedly arranged on the fixed ring, an outer barrel body (32) sleeved outside the fixed ring and fixedly arranged at the other end of the first shafts, an arc-shaped bottom plate (33) fixedly arranged at the bottom end of the outer barrel body, a first inner barrel body (34) positioned in the outer barrel body and fixedly arranged on the arc-shaped bottom plate, a second inner barrel body (35) positioned in the first inner barrel body and fixedly arranged on the arc-shaped bottom plate, a first annular cover (36) positioned between the outer, A second annular cover (37) which is positioned between the first inner barrel body and the second inner barrel body and is respectively and rotatably arranged on the first inner barrel body and the second inner barrel body, a third annular cover (38) which is rotatably arranged on the second annular cover, a first feeding pipe (39) which is fixedly penetrated on the first annular cover, a second feeding pipe (310) which is fixedly penetrated on the second annular cover, and a third feeding pipe (311) which is fixedly penetrated on the third annular cover; the isomerous tridecanol polyether sulfate, the liquid alkali and the process water respectively enter a cavity formed by enclosing the outer barrel body and the first inner barrel body, a cavity formed by enclosing the first inner barrel body and the second inner barrel body through the first feeding pipe, the second feeding pipe and the third feeding pipe, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are respectively sprayed out from the lower end of the discharging barrel, the isomerous tridecanol polyether sulfate, the liquid alkali and the process water are neutralized through a neutralizing device, and the neutralizing device is driven through a driving device.
2. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 1, characterized in that: the molar ratio of the isomeric tridecanol polyether to the SO3 is 1 (0.4-0.9), and the gas concentration of SO3 in the SO 3/air mixed gas is 2.5% -4%.
3. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 1, characterized in that: the multi-tube sulfonation system is composed of a plurality of stainless steel tubes with the length of 6m, and the retention time of the SO 3/air mixed gas in the tubes is less than 0.15 s.
4. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 1, characterized in that: the temperature of the neutralization stripping circulation system is 50-75 ℃, and the vacuum degree is-0.060 MPa to-0.090 MPa.
5. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 1, characterized in that: the neutralization device (4) comprises a plurality of first discharge holes (41), a plurality of second discharge holes (42) and a plurality of third discharge holes (43) which are distributed on the arc-shaped bottom plate in an equidistant annular manner, a second shaft (44) with two ends respectively rotatably arranged in the middle of the third annular cover and the arc-shaped bottom plate, a first conical body (45) fixedly sleeved at the bottom end of the second shaft, first convex parts (46) which are distributed on the first conical body in an equidistant annular manner and are fixedly arranged, a housing (47) rotatably sleeved on the outer barrel body, a second conical body (48) fixedly arranged on the housing, and second convex parts (49) which are distributed on the second conical body in an equidistant annular manner and are fixedly arranged; isomerous tridecanol polyether sulfate is sprayed out from a plurality of first discharge ports, liquid caustic soda is sprayed out from a plurality of second discharge ports, process water is sprayed out from a plurality of third discharge ports, the cross-flushing of the sprayed isomerous tridecanol polyether sulfate, the liquid caustic soda and the process water is realized through the arrangement of an arc-shaped bottom plate, a driving device is used for driving a first conical body to rotate in the forward direction, a plurality of first convex parts on the driving device are driven to revolve, a driving device is used for driving a second conical body to rotate in the reverse direction, a plurality of second convex parts on the driving device are driven to revolve, the process water sprayed out from a plurality of third discharge ports is driven to rotate through the rotating first conical body, and the isomerous tridecanol polyether sulfate sprayed out from a plurality of first.
6. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 5, characterized in that: the first discharge holes (41) and the second discharge holes (42) are arranged in a staggered mode, and the second discharge holes (42) and the third discharge holes (43) are arranged in a staggered mode; a plurality of first discharge gates set up towards a direction slope, and a plurality of third discharge gates set up towards a direction slope, and first discharge gate incline direction is opposite with third discharge gate incline direction.
7. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 5, characterized in that: the neutralization device (4) comprises a third conical body (410) fixedly arranged at the lower end of the first conical body, a first cambered surface (411) arranged on the third conical body, a first extension plate (412) fixedly sleeved on the third conical body, a plurality of third convex parts (413) fixedly arranged on the first extension plate in an equidistant annular distribution manner, a fourth conical body (414) fixedly arranged at the lower end of the second conical body, a second cambered surface (415) arranged on the fourth conical body, a second extension plate (416) fixedly sleeved on the fourth conical body, and a plurality of fourth convex parts (417) fixedly arranged on the second extension plate in an equidistant annular distribution manner; the first conical body rotates to drive the third conical body to rotate, the process water is guided by a first cambered surface on the rotating third conical body to do centrifugal motion to move towards the direction of liquid alkali, the second conical body rotates to drive the fourth conical body to rotate, the isomeric tridecanol polyether sulfate does centrifugal motion to move towards the direction of the liquid alkali by a second cambered surface on the rotating fourth conical body, and finally the isomeric tridecanol polyether sulfate, the liquid alkali and the process water are neutralized.
8. The continuous production method of isotridecanol polyoxyethylene ether sulfate according to claim 1, characterized in that: the driving device (5) comprises a toothed ring (51) with the lower end fixedly arranged at the upper end of the housing, a first annular groove (52) arranged on the toothed ring, a plurality of first tooth grooves (53) and second tooth grooves (54) which are annularly distributed on the toothed ring at equal intervals, a driving shaft (55) rotatably arranged on the fixing ring, a first gear (56) fixedly sleeved on the driving shaft and meshed with the first tooth grooves, and a second gear (57) fixedly sleeved at the upper end of the second shaft, a plurality of third tooth grooves (58) which are distributed on the second gear in an equidistant annular mode, a plurality of third gears (59) which are respectively sleeved on the first shaft in a rotating mode and are respectively meshed with the second tooth grooves and the third tooth grooves, a plurality of first balls (510) which are distributed on the fixing ring in an equidistant annular mode and are positioned in the first annular groove, a second annular groove (511) which is arranged on the outer barrel body, and a plurality of second balls (512) which are distributed on the second gear in an equidistant annular mode and are positioned in the second annular groove; the first gear is driven to rotate through the driving shaft, the first gear is meshed with the first tooth groove, so that the gear ring rotates and is respectively meshed with the second tooth groove and the third tooth groove through the third gear, the third gear is driven to rotate in the process of rotating the gear ring, the third gear drives the second gear to rotate, the rotating direction of the gear ring is opposite to that of the second gear, the gear ring is fixedly arranged on the housing, the housing is driven to rotate, the fourth conical body is finally driven to rotate, the second gear rotates to drive the second shaft to rotate, and the first conical body and the third conical body are driven to rotate most.
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WO2022238210A1 (en) * | 2021-05-10 | 2022-11-17 | Basf Se | Ether sulfates based on isomeric tridecyl alcohol mixtures |
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