CN219816274U - Heat-sensitive phosphite antioxidant apparatus for producing - Google Patents
Heat-sensitive phosphite antioxidant apparatus for producing Download PDFInfo
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- CN219816274U CN219816274U CN202321336607.8U CN202321336607U CN219816274U CN 219816274 U CN219816274 U CN 219816274U CN 202321336607 U CN202321336607 U CN 202321336607U CN 219816274 U CN219816274 U CN 219816274U
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- heat
- tubular reactor
- sensitive
- temperature control
- phosphite antioxidant
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- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 41
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 8
- 238000010924 continuous production Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000013021 overheating Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- CZHYKKAKFWLGJO-UHFFFAOYSA-N dimethyl phosphite Chemical compound COP([O-])OC CZHYKKAKFWLGJO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model belongs to the field of phosphite antioxidant production, in particular to a heat-sensitive phosphite antioxidant production device, which aims at the problems that heat-sensitive raw materials are encountered during the synthesis of the existing phosphite antioxidants, the heat decomposition is easy to occur after long-time heating in a kettle type reactor, and the use effect of products is affected, and the heat-sensitive phosphite antioxidant production device comprises a bottom plate, a premixing kettle, a first feed pump and a tubular reactor, wherein the premixing kettle, the first feed pump and the tubular reactor are all arranged on the bottom plate, the top of the premixing kettle is fixedly connected with a feed pipe, the temperature in the tubular reactor can be controlled through a temperature control mechanism, the temperature of the heat-sensitive phosphite antioxidants can be precisely controlled through the premixing kettle, the first feed pump, the second feed pump, the tubular reactor, a heat-conducting oil temperature control system and a cooling cooler, the high-temperature reaction time is greatly reduced, and continuous production can be realized, so that the acid value of the produced phosphite antioxidants is reduced by 50%.
Description
Technical Field
The utility model relates to the technical field of phosphite antioxidant production, in particular to a heat-sensitive phosphite antioxidant production device.
Background
Phosphite antioxidant is one of antioxidants, and generates stable inactive products by decomposing peroxide generated in the oxidation process, so that the oxidation process of high polymer materials is delayed, and the service life of the products is prolonged.
The prior phosphite antioxidant has the following problems in the production process:
when phosphite antioxidants are synthesized, heat-sensitive raw materials such as phosphorous acid, dimethyl phosphite and alcohols containing carbon-carbon double bonds and phenol raw materials are encountered, and the heat decomposition is easy to occur after long-time heating in a kettle type reactor, so that the acid value is increased, and the use effect of products is affected;
aiming at the problems, the utility model provides a device for producing the heat-sensitive phosphite antioxidant.
Disclosure of Invention
The utility model provides a production device of a heat-sensitive phosphite antioxidant, which solves the defects that heat-sensitive raw materials such as phosphorous acid, dimethyl phosphite and alcohols containing carbon-carbon double bonds and phenolic raw materials are easily decomposed after being heated for a long time in a kettle reactor, so that the acid value is increased and the use effect of products is affected in the prior art when phosphite antioxidants are synthesized.
The utility model provides the following technical scheme:
the heat-sensitive phosphite antioxidant production device comprises a bottom plate, a premixing kettle, a first feeding pump and a tubular reactor, wherein the premixing kettle, the first feeding pump and the tubular reactor are all arranged on the bottom plate, the top of the premixing kettle is fixedly connected with a feeding pipe, and the premixing kettle, the first feeding pump and the tubular reactor are sequentially connected through pipelines;
and the temperature control mechanism is arranged on the bottom plate and used for controlling the temperature in the tubular reactor.
In one possible design, the temperature control mechanism comprises a heat conduction oil temperature control system and a second feed pump, wherein the heat conduction oil temperature control system and the second feed pump are arranged on the bottom plate, and the heat conduction oil temperature control system, the second feed pump and the tubular reactor are sequentially connected through pipelines.
In one possible design, the top of the bottom plate is fixedly connected with a cooling cooler for cooling the qualified product, and the cooling cooler is connected with the tubular reactor through a pipeline.
In one possible design, the internal multiple tubes of the tubular reactor are static mixers.
In one possible design, a protective cover is placed on top of the feed pipe to prevent foreign matter from entering the interior of the premix tank through the feed pipe.
In one possible design, a handle for facilitating the taking of the protective cover is fixedly connected to the top of the protective cover.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
According to the utility model, the temperature of the heat-sensitive phosphite antioxidant can be precisely controlled through the premixing kettle, the first feeding pump, the second feeding pump, the tubular reactor, the heat-conducting oil temperature control system and the cooling cooler, so that the high-temperature reaction time is reduced to the greatest extent, continuous production can be realized, and the acid value of the produced phosphite antioxidants is reduced by 50%;
according to the utility model, the tubular reactor can realize accurate temperature control through the heat conduction oil temperature control system, so that the local overheating phenomenon caused by uneven heat transfer of the kettle reactor is avoided;
in the utility model, the qualified product can be immediately cooled by the cooling cooler to avoid high-temperature decomposition of the material;
the utility model has reasonable structure, can control the temperature in the tubular reactor through the temperature control mechanism, can precisely control the temperature of the heat-sensitive phosphite antioxidant through the premixing kettle, the first feeding pump, the second feeding pump, the tubular reactor, the heat-conducting oil temperature control system and the cooling cooler, greatly reduces the high-temperature reaction time, can realize continuous production, and reduces the acid value of the produced phosphite antioxidants by 50 percent.
Drawings
FIG. 1 is a schematic diagram of a front view of a device for producing a heat-sensitive phosphite antioxidant according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a heat-sensitive phosphite antioxidant production device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of a feed pipe, a protective cover and a handle of the device for producing the heat-sensitive phosphite antioxidant, which is provided by the embodiment of the utility model;
fig. 4 is a schematic view showing a bottom structure of a protective cover of a device for producing a heat-sensitive phosphite antioxidant according to an embodiment of the present utility model.
Reference numerals:
1. a bottom plate; 2. a premixing kettle; 3. a first feed pump; 4. a heat conducting oil temperature control system; 5. a tubular reactor; 6. a second feed pump; 7. a cooling cooler; 8. a protective cover; 9. a handle; 10. and (5) feeding a pipe.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-4, a heat-sensitive phosphite antioxidant production device comprises a bottom plate 1, a premixing kettle 2, a first feed pump 3 and a tubular reactor 5, wherein the premixing kettle 2, the first feed pump 3 and the tubular reactor 5 are all arranged on the bottom plate 1, a feed pipe 10 is fixedly connected to the top of the premixing kettle 2, and the premixing kettle 2, the first feed pump 3 and the tubular reactor 5 are sequentially connected through pipelines;
and the temperature control mechanism is arranged on the bottom plate 1 and is used for controlling the temperature in the tubular reactor 5.
According to the technical scheme, the temperature in the tubular reactor 5 can be controlled through the temperature control mechanism, the temperature of the heat-sensitive phosphite antioxidant can be precisely controlled through the premixing kettle 2, the first feeding pump 3, the second feeding pump 6, the tubular reactor 5, the heat-conducting oil temperature control system 4 and the cooling cooler 7, the high-temperature reaction time is reduced to the maximum extent, continuous production can be realized, and the acid value of the produced phosphite antioxidants is reduced by 50%.
Referring to fig. 1, the temperature control mechanism includes a conduction oil temperature control system 4 and a second feed pump 6, where the conduction oil temperature control system 4 and the second feed pump 6 are all disposed on the bottom plate 1, and the conduction oil temperature control system 4, the second feed pump 6 and the tubular reactor 5 are sequentially connected by pipes.
According to the technical scheme, the tubular reactor 5 can realize accurate temperature control through the heat conduction oil temperature control system 4, and the local overheating phenomenon caused by uneven heat transfer of the kettle type reactor is avoided.
Example 2
Referring to fig. 1-4, a heat-sensitive phosphite antioxidant production device comprises a bottom plate 1, a premixing kettle 2, a first feed pump 3 and a tubular reactor 5, wherein the premixing kettle 2, the first feed pump 3 and the tubular reactor 5 are all arranged on the bottom plate 1, a feed pipe 10 is fixedly connected to the top of the premixing kettle 2, and the premixing kettle 2, the first feed pump 3 and the tubular reactor 5 are sequentially connected through pipelines;
and the temperature control mechanism is arranged on the bottom plate 1 and is used for controlling the temperature in the tubular reactor 5.
According to the technical scheme, the temperature in the tubular reactor 5 can be controlled through the temperature control mechanism, the temperature of the heat-sensitive phosphite antioxidant can be precisely controlled through the premixing kettle 2, the first feeding pump 3, the second feeding pump 6, the tubular reactor 5, the heat-conducting oil temperature control system 4 and the cooling cooler 7, the high-temperature reaction time is reduced to the maximum extent, continuous production can be realized, and the acid value of the produced phosphite antioxidants is reduced by 50%.
Referring to fig. 1, the temperature control mechanism includes a conduction oil temperature control system 4 and a second feed pump 6, where the conduction oil temperature control system 4 and the second feed pump 6 are all disposed on the bottom plate 1, and the conduction oil temperature control system 4, the second feed pump 6 and the tubular reactor 5 are sequentially connected by pipes.
According to the technical scheme, the tubular reactor 5 can realize accurate temperature control through the heat conduction oil temperature control system 4, and the local overheating phenomenon caused by uneven heat transfer of the kettle type reactor is avoided.
Referring to fig. 1, a cooling cooler 7 for cooling a qualified product is fixedly connected to the top of the base plate 1, and the cooling cooler 7 is connected with the tubular reactor 5 through a pipe.
According to the technical scheme, the qualified product can be immediately cooled through the cooling cooler 7, so that the pyrolysis of the material is avoided.
Referring to fig. 1, the internal multiple tubes of the tubular reactor 5 are static mixers.
According to the technical scheme, mass transfer of the inner pipeline of the tubular reactor 5 is more uniform for a plurality of static mixers, and the reaction time can be adjusted by adjusting the number of the static mixers.
Referring to fig. 3, a protective cover 8 for preventing foreign substances from entering the inside of the premix tank 2 through the feed pipe 10 is placed on top of the feed pipe 10.
The technical proposal can protect the feeding pipe 10 from entering foreign matters when stirring materials through the protective cover 8
Referring to fig. 3, a handle 9 for facilitating the taking of the protective cover 8 is fixedly connected to the top of the protective cover 8.
The technical scheme can facilitate the taking of the protective cover 8 through the handle 9.
The working principle and the using flow of the technical scheme are as follows: when in use, materials enter the premixing kettle 2 through the feeding pipe 10 to be stirred, then continuously react through the tubular reactor 5 by the first feeding pump 3 and the second feeding pump 6, and phosphite antioxidant products are obtained after the reaction reaches the requirement and the temperature is reduced;
the tubular reactor 5 can realize accurate temperature control through the heat conduction oil temperature control system 4, so that the local overheating phenomenon caused by uneven heat transfer of the kettle type reactor is avoided, the temperature of the heat sensitive phosphite antioxidants can be accurately controlled through the premixing kettle 2, the first feeding pump 3, the second feeding pump 6, the tubular reactor 5, the heat conduction oil temperature control system 4 and the cooling cooler 7, the high-temperature reaction time is greatly reduced, continuous production can be realized, and the acid value of the produced phosphite antioxidants is reduced by 50%;
the reaction time can be controlled by controlling the flow of the first feeding pump 3 and the second feeding pump 6, the mass transfer of the inner pipeline of the tubular reactor 5 is more uniform for a plurality of static mixers, and the reaction time can be adjusted by adjusting the number of the static mixers;
the qualified products can be immediately cooled by the cooling cooler 7, so that the pyrolysis of materials is avoided.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. A heat-sensitive phosphite antioxidant production device, characterized by comprising:
the device comprises a bottom plate (1), a premixing kettle (2), a first feeding pump (3) and a tubular reactor (5), wherein the premixing kettle (2), the first feeding pump (3) and the tubular reactor (5) are all arranged on the bottom plate (1), a feeding pipe (10) is fixedly connected to the top of the premixing kettle (2), and the premixing kettle (2), the first feeding pump (3) and the tubular reactor (5) are sequentially connected through pipelines;
the temperature control mechanism is arranged on the bottom plate (1) and used for controlling the temperature in the tubular reactor (5).
2. The production device of the heat-sensitive phosphite antioxidant according to claim 1, wherein the temperature control mechanism comprises a heat conduction oil temperature control system (4) and a second feeding pump (6), the heat conduction oil temperature control system (4) and the second feeding pump (6) are arranged on a bottom plate (1), and the heat conduction oil temperature control system (4), the second feeding pump (6) and the tubular reactor (5) are sequentially connected through pipelines.
3. The heat-sensitive phosphite antioxidant production device according to claim 1, wherein the top of the bottom plate (1) is fixedly connected with a cooling cooler (7) for cooling qualified products, and the cooling cooler (7) is connected with the tubular reactor (5) through a pipeline.
4. The apparatus for producing a heat-sensitive phosphite antioxidant according to claim 1, wherein the inner plurality of pipes of the tubular reactor (5) are static mixers.
5. The device for producing the heat-sensitive phosphite antioxidant according to claim 1, wherein a protective cover (8) for preventing foreign matters from entering the inside of the premixing kettle (2) through the feeding pipe (10) is arranged at the top of the feeding pipe (10).
6. The device for producing the heat-sensitive phosphite antioxidant according to claim 5, wherein a handle (9) which is convenient for taking the protective cover (8) is fixedly connected to the top of the protective cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336607.8U CN219816274U (en) | 2023-05-30 | 2023-05-30 | Heat-sensitive phosphite antioxidant apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336607.8U CN219816274U (en) | 2023-05-30 | 2023-05-30 | Heat-sensitive phosphite antioxidant apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219816274U true CN219816274U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321336607.8U Active CN219816274U (en) | 2023-05-30 | 2023-05-30 | Heat-sensitive phosphite antioxidant apparatus for producing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219816274U (en) |
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2023
- 2023-05-30 CN CN202321336607.8U patent/CN219816274U/en active Active
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