CN218167040U - Poly alpha olefin lubricating oil reaction unit - Google Patents
Poly alpha olefin lubricating oil reaction unit Download PDFInfo
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- CN218167040U CN218167040U CN202222758088.6U CN202222758088U CN218167040U CN 218167040 U CN218167040 U CN 218167040U CN 202222758088 U CN202222758088 U CN 202222758088U CN 218167040 U CN218167040 U CN 218167040U
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Abstract
The utility model provides a poly alpha olefin lubricating oil reaction unit, include: a reactor for carrying out a polymerization reaction; the stirring mechanism comprises a stirring paddle arranged in the reactor cavity, and the stirring paddle is used for stirring reaction materials; the heat exchange system comprises a cooling coil and a refrigerator, the cooling coil is arranged around the stirring paddle, a water inlet of the cooling coil is communicated with a water supply port of the refrigerator, a water outlet of the cooling coil is communicated with a water return port of the refrigerator, and the cooling coil is used for cooling fluid in the cavity of the reactor; heating system, including heating jacket and heater, the heating jacket sets up in the outside of reactor, and forms the heating chamber with the lateral wall of reactor, and the water inlet of heating chamber and the feed water inlet intercommunication of heater, the delivery port of heating chamber and the return water mouth intercommunication of heater, the heating chamber is used for heating the reaction material in the reactor cavity. Through the scheme, the problem that the reaction temperature is not easy to control in the polymerization reaction process in the prior art can be solved.
Description
Technical Field
The utility model relates to a lubricating oil production technical field particularly, relates to a poly alpha olefin lubricating oil reaction unit.
Background
Polyalphaolefin (PAO) synthetic oils are polymers obtained by polymerizing linear alpha olefins, usually 1-decene, and are the most important group IV synthetic lubricant base oils. The IV synthetic lubricating oil base oil has the characteristics of high viscosity index, low pour point, high flash point, good thermal oxidation stability, excellent high and low temperature performance, long service life and the like, and is particularly suitable for the industries of aerospace, military, transportation, cosmetics and the like.
The polymerization reaction device is a key unit for synthesizing PAO, wherein a stirring type reaction kettle is a common device for polymerization reaction. CN106622039A discloses a reaction separation integrated device and a method for synthesizing poly-alpha-olefin. The device comprises a reactor main body, wherein a jacket is arranged outside the reactor main body, a heating/cooling medium outlet is arranged at the upper end of the jacket, a heating/cooling medium inlet is arranged at the lower end of the jacket, an agitator driven by a motor is arranged at the center in the reactor main body, an electromagnetic chuck is fixed on the inner wall of the reactor main body, an electromagnetic chuck controller is arranged outside the reactor main body and controls the electromagnetic chuck to be opened and closed, a feed inlet and a temperature measuring port are arranged at the top of the reactor main body, and a discharge outlet is arranged at the bottom of the reactor main body. Although the device is more beneficial to separating the catalyst and improving the production efficiency, the reaction temperature fluctuation is large along with the progress of the polymerization reaction, and the stable control is not easy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a poly alpha olefin lubricating oil reaction unit to solve among the prior art at polymerization's in-process, the not wayward problem of reaction temperature.
In order to solve the above problems, the present invention provides a poly-alpha-olefin lubricating oil reaction device, comprising: a reactor for carrying out a polymerization reaction; the stirring mechanism comprises a stirring paddle arranged in the reactor cavity body, the stirring paddle is rotatably arranged and is used for stirring reaction materials; the heat exchange system comprises a cooling coil and a refrigerator, the part of the cooling coil positioned in the reactor is arranged around the stirring paddle, a water inlet of the cooling coil is communicated with a water supply port of the refrigerator, a water outlet of the cooling coil is communicated with a water return port of the refrigerator, and the cooling coil is used for cooling fluid in the cavity of the reactor; heating system, heating system include heating jacket and heater, and the heating jacket sets up the outside at the reactor, and forms inclosed heating chamber with the lateral wall of reactor, and the water inlet of heating chamber and the feed water inlet intercommunication of heater, the delivery port of heating chamber and the return water mouth intercommunication of heater, the heating chamber is used for heating the reaction material in the reactor cavity.
Furthermore, the cooling coil is spiral, and the number of spiral turns of the cooling coil is 5-10; the diameter of the cooling coil is 50-100mm; the ratio of the diameter of the cooling coil to the internal diameter of the reactor is 0.25 to 0.5.
Further, poly alpha olefin lubricating oil reaction unit still includes raw materials cooling system, raw materials cooling system includes raw materials storage tank, raw materials charge pump and raw materials cooler, raw materials storage tank and raw materials charge pump's entry intercommunication, raw materials charge pump's export and raw materials cooler's heat exchange tube entry intercommunication, raw materials cooler's heat exchange tube export and the pan feeding mouth intercommunication of reactor, the feed water inlet of refrigerator and raw materials cooler's casing entry intercommunication, the return water mouth of refrigerator and raw materials cooler's casing export intercommunication.
Further, the stirring mechanism also comprises a driving part arranged at the top of the reactor, and the driving part is connected with the stirring paddle to drive the stirring paddle to rotate.
Furthermore, the driving part is a variable frequency motor, an output shaft of the variable frequency motor is connected with the stirring paddle, and the rotating speed of the variable frequency motor is 0-1200r/min.
Furthermore, the poly-alpha-olefin lubricating oil reaction device also comprises a gas distributor arranged at the bottom of the reactor cavity, one part of the gas distributor is positioned below the stirring paddle, the inlet of the gas distributor is communicated with the gas-phase material pipe, and the outlet of the gas distributor is communicated with the reactor cavity.
Further, the gas distributor comprises a communicating pipe and an annular gas outlet pipe which are communicated with each other, the communicating pipe is communicated with the gas-phase material pipe, the annular gas outlet pipe is located below the stirring paddle, a plurality of gas outlet holes are formed in the annular gas outlet pipe at intervals, the gas outlet holes are communicated with the cavity of the reactor, and the opening directions of the gas outlet holes face towards the stirring paddle.
Further, the poly-alpha-olefin lubricating oil reaction device also comprises a temperature sensor arranged in the reactor cavity, and the temperature sensor is used for monitoring the temperature in the reactor cavity.
Further, the refrigerating temperature of the refrigerator is 0-20 ℃; the heating temperature of the heater is 0-150 ℃.
Further, the reactor is made of stainless steel material.
Use the technical scheme of the utility model, a poly alpha olefin lubricating oil reaction unit is provided, include: a reactor for carrying out a polymerization reaction; the stirring mechanism comprises a stirring paddle arranged in the reactor cavity body, the stirring paddle is rotatably arranged and is used for stirring reaction materials; the heat exchange system comprises a cooling coil and a refrigerator, the cooling coil is arranged around the stirring paddle, a water inlet of the cooling coil is communicated with a water supply port of the refrigerator, a water outlet of the cooling coil is communicated with a water return port of the refrigerator, and the cooling coil is used for cooling fluid in the reactor cavity; heating system, heating system include heating jacket and heater, and the heating jacket sets up in the outside of reactor, and forms the heating chamber with the lateral wall of reactor, and the water inlet in heating chamber and the feed water inlet intercommunication of heater, the delivery port in heating chamber and the return water mouth intercommunication of heater, the heating chamber is used for heating the reaction material in the reactor cavity. Adopt this scheme, through setting up cooling coil and refrigerator, can continuously cool off the reaction heat of polymerization in the production of reaction process to realize control reaction temperature's purpose, and owing to at polymerization's initial stage, need reach corresponding reaction temperature, through setting up heating jacket and heater this moment, can heat to required reaction temperature fast, further realized control reaction temperature's purpose. The stirring paddle is arranged, so that reaction materials can be stirred, and the reaction is quicker; the part that is located the reactor with cooling coil encircles the stirring rake setting, because the reaction material reaction that is located stirring rake department is quicker, produces a large amount of reaction heats easily, can cool off the reaction heat of the production of reaction in-process fast like this. The poly alpha olefin lubricating oil reaction unit of this scheme of utilization can enough remove the reaction heat during reaction through heat transfer system, can adopt heating system heating again simultaneously to reach reaction temperature fast, effectively solved among the prior art at polymerization's in-process, reaction temperature is wayward problem.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a poly-alpha-olefin lubricating oil reaction device provided by an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a reactor;
20. a stirring mechanism; 21. a stirring paddle; 22. a drive section;
30. a heat exchange system; 31. a cooling coil; 32. a refrigerator;
40. a heating system; 41. a heating jacket; 42. a heater;
50. a feedstock cooling system; 51. a raw material storage tank; 52. a raw material feed pump; 53. a raw material cooler;
60. a gas distributor; 61. a communicating pipe; 62. an annular outlet duct;
70. a temperature sensor;
80. a gas phase material pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a poly-alpha-olefin lubricating oil reaction apparatus, including: a reactor 10, the reactor 10 being used for carrying out a polymerization reaction; the stirring mechanism 20 comprises a stirring paddle 21 arranged in the cavity of the reactor 10, the stirring paddle 21 is rotatably arranged, and the stirring paddle 21 is used for stirring reaction materials; the heat exchange system 30, the heat exchange system 30 includes a cooling coil 31 and a refrigerator 32, the cooling coil 31 is disposed around the stirring paddle 21 in the reactor 10, a water inlet of the cooling coil 31 is communicated with a water supply port of the refrigerator 32, a water outlet of the cooling coil 31 is communicated with a water return port of the refrigerator 32, and the cooling coil 31 is used for cooling fluid in the cavity of the reactor 10; heating system 40, heating system 40 include heating jacket 41 and heater 42, and heating jacket 41 sets up the outside at reactor 10, and forms airtight heating chamber with the lateral wall of reactor 10, and the water inlet of heating chamber and the feed water inlet of heater 42 communicate, and the delivery port of heating chamber and the return water mouth of heater 42 communicate, and the heating chamber is used for heating the reaction material in the reactor 10 cavity.
By adopting the scheme, the reaction heat generated in the reaction process of the polymerization reaction can be continuously cooled by arranging the cooling coil 31 and the refrigerator 32, so that the purpose of controlling the reaction temperature is realized, and the reaction temperature is required to reach the corresponding reaction temperature at the initial stage of the polymerization reaction, and at the moment, the reaction temperature can be quickly heated to the required reaction temperature by arranging the heating jacket 41 and the heater 42, so that the purpose of controlling the reaction temperature is further realized. Wherein, the stirring paddle 21 is arranged to stir the reaction materials, so that the reaction is quicker; the cooling coil 31 is disposed around the stirring paddle 21 in the reactor 10, so that the reaction heat generated in the reaction process can be rapidly cooled because the reaction material at the stirring paddle 21 reacts more rapidly and a large amount of reaction heat is easily generated. The poly alpha olefin lubricating oil reaction unit of this scheme of utilization can enough remove the reaction heat during reaction through heat transfer system 30, can adopt heating system 40 heating again simultaneously to reach reaction temperature fast, effectively solved among the prior art at polymerization's in-process, reaction temperature is wayward's problem.
It should be noted that: the conditions of the polymerization reaction comprise that the initial reaction temperature is 10-100 ℃ and the reaction time is 1-3 hours; the reaction pressure is 0.1-0.3MPa, and the polymerization reaction is continuous polymerization reaction or intermittent polymerization reaction.
Specifically, the cooling coil 31 is spiral, and the number of spiral turns of the cooling coil 31 is 5-10; the diameter of the cooling coil 31 is 50-100mm; the ratio of the diameter of the cooling coil 31 to the inner diameter of the reactor 10 is 0.25 to 0.5. The cooling coil 31 is arranged to be spiral, so that the space is saved, and the heat exchange area of the fluid in the cavity of the reactor 10 is increased, thereby improving the cooling effect; specifically, the number of spiral turns of the cooling coil 31 is set to 5-10 turns, and the number of spiral turns of the cooling coil 31 can be correspondingly adjusted according to actual requirements; the diameter of the cooling coil 31 is set to be 50-100mm, and the diameter of the cooling coil 31 can be correspondingly adjusted according to actual requirements; the ratio of the diameter of the cooling coil 31 to the inner diameter of the reactor 10 is 0.25-0.5, and the ratio of the diameter of the cooling coil 31 to the inner diameter of the reactor 10 can be adjusted correspondingly according to actual requirements. The diameter of the cooling coil 31 refers to the outer diameter of the entire cooling coil 31 structure of the cooling coil 31.
In this embodiment, the polyalphaolefin lubricating oil reaction device further comprises a raw material cooling system 50, the raw material cooling system 50 comprises a raw material storage tank 51, a raw material feeding pump 52 and a raw material cooler 53, the raw material storage tank 51 is communicated with an inlet of the raw material feeding pump 52, an outlet of the raw material feeding pump 52 is communicated with an inlet of a heat exchange pipe of the raw material cooler 53, an outlet of the heat exchange pipe of the raw material cooler 53 is communicated with a feed inlet of the reactor 10, a water supply port of the refrigerator 32 is communicated with an inlet of a shell of the raw material cooler 53, and a water return port of the refrigerator 32 is communicated with an outlet of the shell of the raw material cooler 53. With the arrangement, the raw material storage tank 51 is conveyed to the heat exchange tube of the raw material cooler 53 through the raw material feeding pump 52, and then the raw material is cooled, so that the temperature control of the raw material is realized, and the reaction temperature can be controlled.
Specifically, the stirring mechanism 20 further includes a driving part 22 disposed at the top of the reactor 10, and the driving part 22 is connected to the stirring paddle 21 to drive the stirring paddle 21 to rotate. Through setting up drive division 22, can drive stirring rake 21 and rotate to realize the purpose of stirring reaction material.
Wherein, the driving part 22 is a variable frequency motor, the output shaft of the variable frequency motor is connected with the stirring paddle 21, and the rotating speed of the variable frequency motor is 0-1200r/min. The driving part 22 is set as a variable frequency motor, and the rotating speed of the variable frequency motor is 0-1200r/min, so that the rotating speed of the variable frequency motor can be correspondingly adjusted according to the reaction condition to meet the requirement of reaction.
Specifically, the poly-alpha-olefin lubricating oil reaction device further comprises a gas distributor 60 arranged at the bottom of the cavity of the reactor 10, a part of the gas distributor 60 is positioned below the stirring paddle 21, an inlet of the gas distributor 60 is communicated with the gas-phase material pipe 80, and an outlet of the gas distributor 60 is communicated with the cavity of the reactor 10. By adopting the connection mode and the gas distributor 60, the gas-phase materials can be dispersed more uniformly, the polymerization reaction is further controlled, the reaction heat generated in the reaction process is not easy to gather, and the temperature is more controllable.
The gas distributor 60 comprises a communicating pipe 61 and an annular gas outlet pipe 62 which are communicated with each other, the communicating pipe 61 is communicated with the gas material pipe 80, the annular gas outlet pipe 62 is positioned below the stirring paddle 21, a plurality of gas outlet holes are formed in the annular gas outlet pipe 62 at intervals, the gas outlet holes are communicated with the cavity of the reactor 10, and the opening direction of the gas outlet holes faces towards the stirring paddle 21. Set up annular outlet duct 62 and set up in the below of stirring rake 21, and with the opening direction orientation stirring rake 21 of a plurality of ventholes, can further improve reaction rate like this for the reaction is more abundant.
In this embodiment, the polyalphaolefin lubricating oil reaction apparatus further comprises a temperature sensor 70 disposed in the cavity of the reactor 10, wherein the temperature sensor 70 is used for monitoring the temperature in the cavity of the reactor 10. The temperature sensor 70 is arranged to monitor the temperature in the cavity of the reactor 10 and feed back the temperature to the staff member in time.
Specifically, the refrigerating temperature of the refrigerator 32 is 0 to 20 ℃; the heating temperature of the heater 42 is 0 to 150 ℃. With such an arrangement, the refrigerating temperature of the refrigerator 32 can be adjusted according to the amount of reaction heat generated during the reaction; the heating temperature of the heater 42 can be adjusted according to the reaction temperature required for the reaction.
Specifically, the reactor 10 is made of a stainless steel material. The stainless steel material has the advantages of corrosion resistance, high strength and high temperature oxidation resistance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A polyalphaolefin lubricant oil reaction unit, comprising:
a reactor (10), said reactor (10) being for carrying out a polymerization reaction;
the stirring mechanism (20) comprises a stirring paddle (21) arranged in a cavity of the reactor (10), the stirring paddle (21) is rotatably arranged, and the stirring paddle (21) is used for stirring reaction materials;
the heat exchange system (30) comprises a cooling coil (31) and a refrigerator (32), the part of the cooling coil (31) located in the reactor (10) is arranged around the stirring paddle (21), the water inlet of the cooling coil (31) is communicated with the water supply port of the refrigerator (32), the water outlet of the cooling coil (31) is communicated with the water return port of the refrigerator (32), and the cooling coil (31) is used for cooling the fluid in the cavity of the reactor (10);
heating system (40), heating system (40) is including heating jacket (41) and heater (42), heating jacket (41) sets up the outside of reactor (10), and with the lateral wall of reactor (10) forms inclosed heating chamber, the water inlet of heating chamber with the water supply port intercommunication of heater (42), the delivery port of heating chamber with the return water mouth intercommunication of heater (42), the heating chamber is used for right reaction material in reactor (10) cavity heats.
2. The polyalphaolefin lubricating oil reaction unit of claim 1, wherein the cooling coil (31) is helical, the number of turns of the helix of the cooling coil (31) being 5-10 turns; the diameter of the cooling coil (31) is 50-100mm; the ratio of the diameter of the cooling coil (31) to the inner diameter of the reactor (10) is 0.25-0.5.
3. The polyalphaolefin lubricating oil reaction device of claim 1, further comprising a feedstock cooling system (50), wherein the feedstock cooling system (50) comprises a feedstock storage tank (51), a feedstock feed pump (52), and a feedstock cooler (53), wherein the feedstock storage tank (51) communicates with an inlet of the feedstock feed pump (52), an outlet of the feedstock feed pump (52) communicates with an inlet of a heat exchange tube of the feedstock cooler (53), an outlet of the heat exchange tube of the feedstock cooler (53) communicates with a feed inlet of the reactor (10), a water supply port of the refrigerator (32) communicates with a housing inlet of the feedstock cooler (53), and a water return port of the refrigerator (32) communicates with a housing outlet of the feedstock cooler (53).
4. The poly-alpha-olefin lubricating oil reaction device according to claim 1, wherein the stirring mechanism (20) further comprises a driving part (22) disposed at the top of the reactor (10), and the driving part (22) is connected with the stirring paddle (21) to drive the stirring paddle (21) to rotate.
5. The poly-alpha-olefin lubricating oil reaction device according to claim 4, wherein the driving part (22) is a variable frequency motor, an output shaft of the variable frequency motor is connected with the stirring paddle (21), and the rotating speed of the variable frequency motor is 0-1200r/min.
6. The polyalphaolefin lubricating oil reaction device according to claim 1, further comprising a gas distributor (60) arranged at the bottom of the cavity of the reactor (10), wherein a part of the gas distributor (60) is positioned below the stirring paddle (21), an inlet of the gas distributor (60) is communicated with the gas phase material pipe (80), and an outlet of the gas distributor (60) is communicated with the cavity of the reactor (10).
7. The polyalphaolefin lubricating oil reaction device according to claim 6, wherein the gas distributor (60) comprises a communicating pipe (61) and an annular gas outlet pipe (62) which are communicated with each other, the communicating pipe (61) is communicated with the gas phase material pipe (80), the annular gas outlet pipe (62) is positioned below the stirring paddle (21), a plurality of gas outlet holes are arranged on the annular gas outlet pipe (62) at intervals, the gas outlet holes are communicated with the cavity of the reactor (10), and the opening directions of the gas outlet holes face the stirring paddle (21).
8. The polyalphaolefin lubricating oil reaction unit of claim 1, further comprising a temperature sensor (70) disposed within the reactor (10) cavity, the temperature sensor (70) for monitoring a temperature within the reactor (10) cavity.
9. The polyalphaolefin lubricating oil reaction device of claim 1, wherein the refrigeration temperature of the refrigerator (32) is 0-20 ℃; the heating temperature of the heater (42) is 0-150 ℃.
10. The polyalphaolefin lubricant reaction unit of claim 1, wherein the reactor (10) is made of a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758088.6U CN218167040U (en) | 2022-10-19 | 2022-10-19 | Poly alpha olefin lubricating oil reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758088.6U CN218167040U (en) | 2022-10-19 | 2022-10-19 | Poly alpha olefin lubricating oil reaction unit |
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| Publication Number | Publication Date |
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| CN218167040U true CN218167040U (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222758088.6U Active CN218167040U (en) | 2022-10-19 | 2022-10-19 | Poly alpha olefin lubricating oil reaction unit |
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| CN (1) | CN218167040U (en) |
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2022
- 2022-10-19 CN CN202222758088.6U patent/CN218167040U/en active Active
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