CN214004478U - Do benefit to polysulfide silane coupling agent outward appearance and purify automated production device - Google Patents
Do benefit to polysulfide silane coupling agent outward appearance and purify automated production device Download PDFInfo
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- CN214004478U CN214004478U CN202022686735.8U CN202022686735U CN214004478U CN 214004478 U CN214004478 U CN 214004478U CN 202022686735 U CN202022686735 U CN 202022686735U CN 214004478 U CN214004478 U CN 214004478U
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Abstract
The utility model discloses an automated production device beneficial to appearance purification of polysulfide silane coupling agent, which belongs to the technical field of chemical engineering automated production equipment, and comprises a stirring kettle, a water phase tank, a standing tank, a coarse solid-liquid separator, a crude product storage tank, a distillation device, a vacuum device, a semi-finished product storage tank, a freezing tank, a fine solid-liquid separator and a finished product storage tank, wherein the lower part of the stirring kettle is respectively connected to a feeding port of the standing tank and a feeding port of the water phase tank through pipelines, so that the residual of possible solid impurities such as sodium chloride, sulfur and the like in the polysulfide silane coupling agent can be solved, the moisture in the crude product before distillation can be reduced to the maximum extent, the hydrolysis polymerization reaction caused by the polysulfide silane coupling agent under the condition of simultaneous existence of distillation high temperature and water can be avoided, the generation of byproducts can be reduced, the dissolved sulfur, namely free sulfur can be removed, and the control of the free sulfur in the product can be facilitated, can meet the special rubber mixing industry with high requirements on the stable free sulfur and the average sulfur chain distribution of the product, for example, the lower the free sulfur content is, the better the low-temperature banburying requirement is.
Description
Technical Field
The utility model relates to a chemical industry automated production equipment technical field, more specifically say, relate to a do benefit to automated production device that polysulfide silane coupling agent outward appearance purifies.
Background
Polysulfide silane coupling agents are widely applied to the rubber tire industry, and have special functions of improving the rolling resistance of tires and reducing energy consumption. At present, a two-phase process is mostly adopted in large-scale industrial production to produce the polysulfide silane coupling agent, raw materials of the polysulfide silane coupling agent at least comprise sulfur, sulfide and chloropropyl triethoxysilane, and the polysulfide silane coupling agent is prepared through the working procedures of synthesis, purification and the like.
In the synthesis process, a byproduct sodium chloride is generated, and after the synthesis is finished, the materials are at least divided into two phases: the sodium chloride aqueous solution in the water phase and the crude polysulfide silane coupling agent in the organic phase exist in the organic phase in the form of liquid drops, emulsion and the like due to factors such as stirring, unreacted sulfur can be dissolved and suspended in the organic phase to form free sulfur, and the sodium chloride and the free sulfur which may exist in the crude polysulfide silane coupling agent have extremely bad influence on the production of rubber elastomers, particularly tires, and if the sodium chloride and the free sulfur cannot be completely removed, the appearance and the storage period of the polysulfide silane coupling agent are influenced, and the practical application effect of the polysulfide silane coupling agent is also influenced. Therefore, the research, control and elimination of the content of impurities such as sodium chloride, free sulfur and the like in the polysulfide silane coupling agent, namely the purification of the appearance of the polysulfide silane coupling agent, are extremely important for the next application of the product.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide an automatic production device which is beneficial to the appearance purification of polysulfide silane coupling agent, the automatic production device which is beneficial to the appearance purification of polysulfide silane coupling agent is provided, the residue of solid impurities such as sodium chloride, sulfur and the like which possibly exist in polysulfide silane coupling agent can be solved, the moisture existing in the crude product before distillation can be reduced to the maximum extent, the hydrolytic polymerization reaction caused by the polysulfide silane coupling agent under the condition of high distillation temperature and water existence simultaneously can be avoided, the generation of by-products can be reduced, the yield can be improved, the product quality can be improved, the quality guarantee can be provided for the next step application of the product, the purpose of automatic control production can be achieved, the dissolved sulfur, namely free sulfur, can be removed, the free sulfur in the product can be controlled favorably, the product quality can be improved, the special industry which has high requirements on the free sulfur in the product and the stable distribution of the average sulfur chain in the product can be satisfied, for example, low temperature mixing requires that the lower the free sulfur content, the better.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An automated production device beneficial to appearance purification of polysulfide silane coupling agent comprises a stirring kettle, a water phase tank, a standing tank, a crude solid-liquid separator, a crude product storage tank, a distillation device, a vacuum device, a semi-finished product storage tank, a freezing tank, a fine solid-liquid separator and a finished product storage tank, wherein the lower part of the stirring kettle is respectively connected to a feed inlet of the standing tank and a feed inlet of the water phase tank through pipelines, the feed inlets of the standing tank and the water phase tank are arranged on the side surface, the lower part of the standing tank is connected to the feed inlet of the water phase tank through a pipeline, the side surface of the standing tank is connected to a feed inlet of the crude solid-liquid separator through an overflow port and a pipeline, a filtrate discharge port of the crude solid-liquid separator is connected to the crude product storage tank through a pipeline, the crude product storage tank is connected to the distillation device through a pipeline, distillation plant upper portion is passed through pipe connection to vacuum apparatus, and pipe connection to semi-manufactured goods storage tank feed inlet is passed through to the lower part, semi-manufactured goods storage tank lower part is passed through pipe connection to freezing jar feed inlet, freezing jar upper portion is equipped with agitator, lower part and passes through pipe connection to essence solid-liquid separator, essence solid-liquid separator's filtrating discharge port is passed through pipe connection to finished product storage tank.
Furthermore, a first conductivity meter, a first sight glass and a first valve are sequentially arranged on the pipeline at the lower part of the stirring kettle, and the first conductivity meter is connected with the first valve.
Furthermore, a first pressure pump and a second pressure pump are respectively arranged on the connecting pipelines of the stirring kettle, the water phase tank and the feed inlet of the standing tank.
Furthermore, the water phase tank is equipped with first level gauge, be equipped with second conductivity appearance, second sight glass and second valve on water phase tank overflow mouth, the ejection of compact pipeline in proper order, the second conductivity appearance is connected with the second valve, first level gauge is connected with the second valve.
Furthermore, a third valve is arranged on a pipeline connecting the water phase tank and the brine storage tank, and the third valve is connected with the first liquid level meter and the second conductivity meter.
Further, the lower part of the standing tank is connected to a feed inlet of the water phase tank through a pipeline, a third conductivity meter, a third sight glass and a fifth valve are sequentially arranged on the pipeline, and the third conductivity meter is connected with the fifth valve.
Further, the tank that stews be provided with the second level gauge, the tank bottom that stews is the shape of obconic, the overflow mouth of the tank that stews sets up on circular conical surface upper portion, be provided with the fourth valve on the ejection of compact pipeline of overflow mouth, the second level gauge is connected with the fourth valve.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the scheme provides an automatic production device which is beneficial to appearance purification of polysulfide silane coupling agent, can solve the problem of residual of sodium chloride, sulfur and other solid impurities possibly existing in polysulfide silane coupling agent, and maximally reduces the water content in the crude product before distillation, avoids the hydrolytic polymerization reaction of polysulfide silane coupling agent caused by the simultaneous existence of the distillation high temperature and water, reduces the generation of byproducts, improves the yield, improves the product quality, provides quality guarantee for the next application of the product, but also can achieve the aim of automatic control production, remove the dissolved sulfur, namely free sulfur, is beneficial to controlling the free sulfur in the product, improve the product quality, can meet the special rubber mixing industry with high requirements on the stable free sulfur and the average sulfur chain distribution of the product, for example, the lower the free sulfur content is, the better the low-temperature banburying requirement is.
(2) The pipeline at the lower part of the stirring kettle is sequentially provided with a first conductivity meter, a first sight glass and a first valve, wherein the conductivity meter is used for detecting the conductivity of materials and is connected with the first valve and used for placing the water phase in the materials into a water phase tank and placing the organic phase into a standing tank, so that the automatic control of the separation of the water phase and the organic phase is realized.
(3) Stirred tank and aqueous phase jar, on the connecting tube of jar feed inlet stews, be provided with first force (forcing) pump and second force (forcing) pump respectively, a water phase is carried respectively, the organic phase, through shifting to the inverted cone shape jar that stews with the organic phase, stew through the toper, reach the most efficient ground separation organic phase and suspension, the aqueous phase of emulsification in the organic phase, the dissolved sodium chloride in aqueous phase deposits the jar bottom of stewing through the form of stewing, thereby realize getting rid of the purpose of the sodium chloride and the water of suspension in the organic phase, and through installation conductivity meter and valve on the discharge pipeline of lower part, realize the purpose of automation mechanized operation.
(4) The water phase tank is provided with a first liquid level meter, a discharge pipeline of an overflow port of the water phase tank is sequentially provided with a second conductivity meter, a second sight glass and a second valve, the second conductivity meter is used for detecting conductivity and is connected with the second valve and used for placing a small amount of organic phase in the water phase into the standing tank, the first liquid level meter is connected with the second valve, and when the liquid level in the water phase tank is lower than the overflow port, the second valve is closed; when the liquid level in the water phase tank is higher than the overflow port and the second conductivity meter detects that the liquid level is the conductivity of the organic phase, the second valve is opened, the organic phase in the water phase flows out to the standing tank, when the liquid level in the water phase tank is higher than the overflow port and the second conductivity meter detects that the liquid level is the conductivity of the water phase, the second valve is closed, a third valve is arranged on a pipeline connected with the brine storage tank at the lower part of the water phase tank, the third valve is connected with the first liquid level meter and the second conductivity meter of the water phase tank, when the liquid level in the water phase tank is higher than the overflow port and the second conductivity meter detects that the liquid level is the conductivity of the water phase, the third valve on the pipeline connected with the brine storage tank at the lower part of the water phase tank is opened, brine is discharged to the brine storage tank, and when the liquid level in the water phase tank is higher than the overflow port and the second conductivity meter detects that the liquid level is the conductivity of the organic phase, the third valve on the pipeline connected with the brine storage tank at the lower part of the water phase is closed, the overflow port of the water phase tank recovers the organic phase suspended in the water phase into the standing tank, and the conductivity control prevents the water phase from entering the standing tank, so that the organic phase is recovered to the maximum extent, the product yield is improved, and the automatic operation is realized.
(5) The jar of stewing is provided with the second level gauge, the tank bottoms portion of stewing is the shape of falling circular cone, the inclination of conical surface is 45, the overflow mouth setting of jar of stewing is on conical surface upper portion, be provided with the fourth valve on the ejection of compact pipeline of overflow mouth, the second level gauge is connected with the fourth valve, be higher than certain numerical value when the liquid level, the fourth valve is opened, be less than certain numerical value when the liquid level, the fourth valve is closed, be connected with the valve through the level gauge, the ejection of compact of control aqueous phase jar, the ejection of compact of jar of stewing, do benefit to and realize automated control, avoid the instability that manual operation brought.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers in the figures illustrate:
1. stirring the mixture in a kettle; 2. a first conductivity meter; 3. a first sight glass; 4. a first valve; 5. a first pressure pump; 6. a water phase tank; 7. a first liquid level meter; 8. a second conductivity meter; 9. a second sight glass; 10. a second valve; 11. a third valve; 12. a brine storage tank; 13. a second pressure pump; 14. standing in a tank; 15. a second level gauge; 16. a fourth valve; 17. a third conductivity meter; 18. a third sight glass; 19. a fifth valve; 20. a coarse solid-liquid separator; 21. a crude product storage tank; 22. a distillation apparatus; 23. a semi-finished product storage tank; 24. a freezing tank; 25. a fine solid-liquid separator; 26. and (5) a finished product storage tank.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, an automatic production device beneficial to appearance purification of polysulfide silane coupling agent comprises a stirred tank 1, a water phase tank 6, a standing tank 14, a crude solid-liquid separator 20, a crude product storage tank 21, a distillation device 22, a vacuum device, a semi-finished product storage tank 23, a freezing tank 24, a fine solid-liquid separator 25 and a finished product storage tank 26, wherein the lower part of the stirred tank 1 is respectively connected to a feed inlet of the standing tank 14 and a feed inlet of the water phase tank 6 through pipelines, the feed inlets of the standing tank 14 and the water phase tank 6 are arranged on the side surfaces, the lower part of the standing tank 14 is connected to the feed inlet of the water phase tank 6 through pipelines, the side surfaces are connected to the feed inlet of the crude solid-liquid separator 20 through an overflow port and a pipeline, the lower part of the water phase tank 6 is connected to a brine storage tank 12 through a pipeline, the side surfaces are connected to the feed inlet of the standing tank 14 through an overflow port and a pipeline, a filtrate discharge port of the crude solid-liquid separator 20 is connected to the crude product storage tank 21 through a pipeline, the crude product storage tank 21 is connected to a distillation device 22 through a pipeline, the upper part of the distillation device 22 is connected to a vacuum device through a pipeline, the lower part of the distillation device 22 is connected to a feed inlet of a semi-finished product storage tank 23 through a pipeline, the lower part of the semi-finished product storage tank 23 is connected to a feed inlet of a freezing tank 24 through a pipeline, the upper part of the freezing tank 24 is provided with a stirrer, the lower part of the freezing tank is connected to a fine solid-liquid separator 25 through a pipeline, and.
The freezing tank mainly removes dissolved sulfur, namely free sulfur, is beneficial to controlling the free sulfur in the product, improves the product quality, and can meet the special rubber mixing industry with high requirements on the free sulfur in the product and the stable average sulfur chain distribution of the product, and if low-temperature banburying is required, the lower the free sulfur content is, the better the product is.
Referring to fig. 1, a first conductivity meter 2, a first sight glass 3 and a first valve 4 are sequentially installed on a lower pipeline of a stirred tank 1, the first conductivity meter 2 is used for detecting the conductivity of a material, is connected with the first valve 4, and is used for placing a water phase in the material into a water phase tank 6 and placing an organic phase in a standing tank 14, so that the automatic control of the separation of the water phase and the organic phase is realized, and the specific first valve 4 is a three-way valve.
Referring to fig. 1, a first pressure pump 5 and a second pressure pump 13 are respectively disposed on the connecting pipes of the feed inlets of the stirring tank 1, the aqueous phase tank 6 and the standing tank 14, and a second pressure pump 13 and a first pressure pump 5 are respectively disposed on the connecting pipes of the feed inlets of the stirring tank 1, the standing tank 14 and the aqueous phase tank 6, and are used for respectively conveying the organic phase and the aqueous phase.
Referring to fig. 1, a water phase tank 6 is provided with a first liquid level meter 7, a discharge pipeline of an overflow port of the water phase tank 6 is sequentially provided with a second conductivity meter 8, a second sight glass 9 and a second valve 10, the second conductivity meter 8 is used for detecting conductivity and is connected with the second valve 10 for placing a small amount of organic phase in the water phase into a standing tank 14, the first liquid level meter 7 is connected with the second valve 10, and when the liquid level in the water phase tank 6 is lower than the overflow port, the second valve 10 is closed; when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the organic phase, the second valve 10 is opened, the organic phase in the water phase flows out to the standing tank 14, and when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the water phase, the second valve 10 is closed.
The organic phase suspended in the water phase is recovered into the standing tank 14 through the overflow port of the water phase tank 6, and the water phase is prevented from entering the standing tank 14 through conductivity control, so that the organic phase is recovered to the maximum extent, the product yield is improved, and automatic operation is realized.
Referring to fig. 1, a third valve 11 is disposed on a pipeline connecting a lower portion of the water phase tank 6 and the brine storage tank 12, the third valve 11 is connected to the first liquid level meter 7 and the second conductivity meter 8 of the water phase tank 6, when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the water phase, the third valve 11 on the pipeline connecting the lower portion of the water phase tank 6 and the brine storage tank 12 is opened, brine is discharged to the brine storage tank 12, and when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the organic phase, the third valve 11 on the pipeline connecting the lower portion of the water phase tank 6 and the brine storage tank 12 is closed.
Referring to fig. 1, the standing tank 14 is provided with a second liquid level meter 15, the bottom of the standing tank 14 is in an inverted cone shape, the inclination angle of the conical surface is 45 degrees, the overflow port of the standing tank 14 is arranged at the upper part of the conical surface, a discharge pipeline of the overflow port is provided with a fourth valve 16, the second liquid level meter 15 is connected with the fourth valve 16, when the liquid level is higher than a certain value, the fourth valve 16 is opened, and when the liquid level is lower than a certain value, the fourth valve 16 is closed.
The organic phase is transferred to the inverted cone-shaped standing tank 14 to stand, the conical standing is adopted, the organic phase and the water phase suspended and emulsified in the organic phase are separated most efficiently, the sodium chloride dissolved in the water phase is precipitated to the bottom of the standing tank 14 in a standing mode, so that the suspended sodium chloride and the water are removed from the organic phase, and the automatic operation is realized by installing a conductivity meter and an automatic control valve on a discharge pipeline at the lower part.
Referring to fig. 1, the lower portion of the standing tank 14 is connected to the feed inlet of the aqueous phase tank 6 through a pipeline, the pipeline is sequentially provided with a third conductivity meter 17, a third sight glass 18 and a fifth valve 19, the pipeline is sequentially provided with the third conductivity meter 17, the third sight glass 18 and the fifth valve 19, the third conductivity meter 17 is connected with the fifth valve 19, when the third conductivity meter 17 shows the conductivity of the aqueous phase, the fifth valve 19 is opened, the aqueous phase is placed into the aqueous phase tank 6, and when the third conductivity meter 17 detects the conductivity of the organic phase, the fifth valve 19 is closed in time, so that the organic phase is prevented from being placed into the aqueous phase, and the product amount is reduced.
Referring to fig. 1, the organic phase in the static tank 14 flows out to the coarse solid-liquid separator 20 through the overflow port, the start switch of the coarse solid-liquid separator 20 is connected to the fourth valve 16 on the overflow port pipeline of the static tank 14, and when the fourth valve 16 is opened, the coarse solid-liquid separator 20 starts to perform the solid-liquid separation procedure.
The temperature of the freezing tank 24 is controlled to-35 ℃ to-15 ℃, and the temperature is preferably controlled to-15 ℃ from the viewpoint of freezing effect and energy saving, and the fine solid-liquid separator 25 is one of an automatic plate and frame filter press, an automatic slag discharge filter or an integrated machine of filtering, washing and drying, and preferably is an automatic slag discharge filter.
The automatic plate-and-frame filter press is selected during the coarse solid-liquid separator, so that the solid and silane hydrolysate in the organic phase can be further removed, the working efficiency is improved to the maximum extent, the automatic slag discharge filter is selected during the fine solid-liquid separator, trace sulfur and solid sodium chloride are removed in the step, the automatic slag discharge operation is facilitated, the running period is long, the influence on the production efficiency caused by frequent slag discharge operation is avoided, and the field environment is improved.
The first valve 4, the second valve 10, the third valve 11, the fourth valve 16 and the fifth valve 19 are automatic control valves, and the first liquid level meter 7 and the second liquid level meter 15 are radar liquid level meters.
The radar liquid level meter is connected with the automatic control valve, so that the discharging of the water phase tank and the discharging of the standing tank are controlled, the automatic control is favorably realized, and the instability caused by manual operation is avoided.
In use, the two phases in stirred tank 1 are separated: the synthesis of polysulfide silane coupling agent is carried out in the stirred tank 1, and after the synthesis is finished, the material is divided into two phases in the stirred tank 1: the upper layer is an organic phase polysulfide silane coupling agent crude product, the lower layer is an aqueous sodium chloride solution, the aqueous sodium chloride solution is pumped to an aqueous phase tank 6 through a first pressure pump 5 under the interlocking control of a first conductivity meter 2, a first valve 4 and the first pressure pump 5 on a pipeline at the lower part of a stirring kettle 1, and at the moment, the liquid in the aqueous sodium chloride solution can be seen to be a colorless to light green aqueous phase through a first sight glass 3; when the first conductivity meter 2 detects the change of the conductivity value, the organic phase is judged to be the organic phase, the organic phase is controlled by interlocking with the first valve 4 and the second pressure pump 13, the crude organic phase polysulfide silane coupling agent is pumped to the standing tank 14 by the second pressure pump 13, and the yellow organic phase in the liquid can be seen by the first sight glass 3.
Organic phase separation in aqueous phase tank: when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the organic phase, the second valve 10 is opened, the organic phase in the water phase flows out to the standing tank 14, the liquid in the water phase is the yellow organic phase at the moment, and when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the water phase, the second valve 10 is closed.
Aqueous phase transfer in aqueous phase tank: when the liquid level in the water phase tank 6 is higher than the overflow port and the second conductivity meter 8 detects that the liquid level is the conductivity of the water phase, the third valve 11 on the pipeline connecting the lower part of the water phase tank 6 with the brine storage tank 12 is opened, and the brine is discharged to the brine storage tank 12.
Separation of aqueous phase in the standing tank 14: when the third conductivity meter 17 indicates the conductivity of the aqueous phase, the fifth valve 19 is opened and the aqueous phase is discharged to the aqueous phase tank 6, and when the third conductivity meter 17 detects the conductivity of the organic phase, the fifth valve 19 is immediately closed.
The organic phase in the still pot 14 enters a solid-liquid separator: the second liquid level meter 15 of the standing tank 14 detects that the liquid level value of the standing tank 14 is higher than a set value, the starting switch of the fourth valve 16 and the crude solid-liquid separator 20 is interlocked, a crude solid-liquid separation program is started, the crude product enters a crude product storage tank 21 for storage, sequentially enters a distillation device 22 for distillation to remove low-boiling-point substances, a semi-finished product storage tank 23 for storage, a freezing tank 24 for stirring and freezing out solids, a fine solid-liquid separator 25 for separating out sulfur and white sodium chloride with the solids mainly being yellow, and a finished product storage tank 26 for storage, so that a yellowish to yellow clear and transparent polysulfide silane coupling agent product is obtained, the water content of the product is determined to be 0 by adopting a Karl Fischer reagent method, the product is placed for 1 year without generating solid precipitates, the possible residues of solid impurities such as sodium chloride, sulfur and the like in the polysulfide silane coupling agent are solved, and the water in the crude product before distillation is maximally reduced, the method avoids the hydrolytic polymerization reaction of polysulfide silane coupling agent caused by the simultaneous existence of distillation high temperature and water, reduces the generation of by-products, improves the yield, improves the product quality, provides quality guarantee for the next application of the product, and achieves automatic control production.
Compared with the prior art, the automatic production device which is beneficial to the appearance purification of the polysulfide silane coupling agent can be provided, the possible residue of solid impurities such as sodium chloride, sulfur and the like in the polysulfide silane coupling agent can be solved, and maximally reduces the water content in the crude product before distillation, avoids the hydrolytic polymerization reaction of polysulfide silane coupling agent caused by the simultaneous existence of the distillation high temperature and water, reduces the generation of byproducts, improves the yield, improves the product quality, provides quality guarantee for the next application of the product, but also can achieve the aim of automatic control production, remove the dissolved sulfur, namely free sulfur, is beneficial to controlling the free sulfur in the product, improve the product quality, can meet the special rubber mixing industry with high requirements on the stable free sulfur and the average sulfur chain distribution of the product, for example, the lower the free sulfur content is, the better the low-temperature banburying requirement is.
The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides a do benefit to automated production device that polysulfide silane coupling agent outward appearance purified, includes stirred tank (1), aqueous phase jar (6), jar (14) that stews, thick solid-liquid separator (20), crude storage tank (21), distillation plant (22), vacuum apparatus, semi-manufactured goods storage tank (23), freezing jar (24), smart solid-liquid separator (25), finished product storage tank (26), its characterized in that: the stirring kettle (1) lower part is respectively connected to a standing tank (14) feed inlet and a water phase tank (6) feed inlet through pipelines, the feed inlets of the standing tank (14) and the water phase tank (6) are arranged on the side, the lower part of the standing tank (14) is connected to the feed inlet of the water phase tank (6) through pipelines, the side is connected to the feed inlet of a crude solid-liquid separator (20) through an overflow port and a pipeline, the lower part of the water phase tank (6) is connected to a brine storage tank (12) through a pipeline, the side is connected to the feed inlet of the standing tank (14) through an overflow port and a pipeline, a filtrate discharge port of the crude solid-liquid separator (20) is connected to a crude product storage tank (21) through a pipeline, the crude product storage tank (21) is connected to a distillation device (22) through a pipeline, the upper part of the distillation device (22) is connected to a vacuum device and the lower part is connected to a feed inlet of a semi-finished product storage tank (23) through a pipeline, semi-manufactured goods storage tank (23) lower part is through pipe connection to freezing jar (24) feed inlet, freezing jar (24) upper portion is equipped with the agitator, the lower part is through pipe connection to smart solid-liquid separator (25), the filtrating discharge port of smart solid-liquid separator (25) is through pipe connection to finished product storage tank (26).
2. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: a first conductivity meter (2), a first sight glass (3) and a first valve (4) are sequentially arranged on a pipeline at the lower part of the stirring kettle (1), and the first conductivity meter (2) is connected with the first valve (4).
3. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: and a first pressure pump (5) and a second pressure pump (13) are respectively arranged on the connecting pipelines of the stirring kettle (1) and the feed inlets of the water phase tank (6) and the standing tank (14).
4. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: the water phase tank (6) is equipped with first level gauge (7), be equipped with second conductivity appearance (8), second sight glass (9) and second valve (10) on water phase tank (6) overflow mouth, the ejection of compact pipeline in proper order, second conductivity appearance (8) are connected with second valve (10), first level gauge (7) are connected with second valve (10).
5. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: and a third valve (11) is arranged on a pipeline connecting the water phase tank (6) and the brine storage tank (12), and the third valve (11) is connected with the first liquid level meter (7) and the second conductivity meter (8).
6. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: the lower part of the standing tank (14) is connected to a feed inlet of the water phase tank (6) through a pipeline, a third conductivity meter (17), a third sight glass (18) and a fifth valve (19) are sequentially arranged on the pipeline, and the third conductivity meter (17) is connected with the fifth valve (19).
7. The automatic production device for facilitating appearance purification of polysulfide silane coupling agent according to claim 1, wherein: the tank (14) of stewing be provided with second level gauge (15), tank (14) bottom of stewing is the shape of falling circular cone, the overflow mouth of the tank (14) of stewing sets up on conical surface upper portion, be provided with fourth valve (16) on the ejection of compact pipeline of overflow mouth, second level gauge (15) are connected with fourth valve (16).
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| CN202022686735.8U CN214004478U (en) | 2020-11-19 | 2020-11-19 | Do benefit to polysulfide silane coupling agent outward appearance and purify automated production device |
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| CN202022686735.8U CN214004478U (en) | 2020-11-19 | 2020-11-19 | Do benefit to polysulfide silane coupling agent outward appearance and purify automated production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278028A (en) * | 2020-02-19 | 2021-08-20 | 新特能源股份有限公司 | Method and equipment for preparing bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278028A (en) * | 2020-02-19 | 2021-08-20 | 新特能源股份有限公司 | Method and equipment for preparing bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide |
| CN113278028B (en) * | 2020-02-19 | 2022-12-20 | 新特能源股份有限公司 | Method and equipment for preparing bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide |
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Address after: 210047 no.226 Chongfu Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Nanjing Shuguang Fine Chemical Co.,Ltd. Address before: 210047 no.226 Chongfu Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee before: NANJING SHUGUANG FINE CHEMICAL CO.,LTD. |
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