CN220940619U - Microreactor for producing phenothiazine and reaction system - Google Patents
Microreactor for producing phenothiazine and reaction system Download PDFInfo
- Publication number
- CN220940619U CN220940619U CN202322095572.XU CN202322095572U CN220940619U CN 220940619 U CN220940619 U CN 220940619U CN 202322095572 U CN202322095572 U CN 202322095572U CN 220940619 U CN220940619 U CN 220940619U
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- China
- Prior art keywords
- phenothiazine
- raw material
- chamber
- microreactor
- material liquid
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- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229950000688 phenothiazine Drugs 0.000 title claims abstract description 71
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 53
- 239000003054 catalyst Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 abstract description 9
- 239000011550 stock solution Substances 0.000 abstract description 9
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 6
- 238000010924 continuous production Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000012527 feed solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The application discloses a micro-reactor for producing phenothiazine and a reaction system. The main part is limited and is held the chamber, holds the chamber and is the strip that vertical extension was said, holds the diapire in chamber and has the stock solution import, holds the roof in chamber and has the phenothiazine export, and the main part is used for making the stock solution import through the stock solution import hold the chamber to react in holding the chamber and produce phenothiazine, and the phenothiazine exports from holding the chamber through the phenothiazine export. The catalyst filling layer is arranged in the accommodating cavity, and the catalyst filling layer is used for enabling the raw material liquid to react to generate phenothiazine under the catalysis of the catalyst in the catalyst filling layer. The heater is attached to the outer wall of the main body, and the heater is used for enabling the raw material liquid to react at the reaction temperature provided by the heater to generate phenothiazine. After the microreactor is used for producing phenothiazine, the feeding amount of the raw material liquid can be controlled in real time to control the yield of the phenothiazine, and the operation is convenient for controlling the yield of the phenothiazine.
Description
Technical Field
The application relates to the field of phenothiazine production, in particular to a micro-reactor and a reaction system for producing phenothiazine.
Background
Phenothiazine is widely used as an excellent polymerization inhibitor of alkenyl monomers in the production of acrylic acid, acrylic acid esters, methacrylic acid esters, vinyl acetate. Also used for synthesizing medicines and dyes, polyether, antioxidant and rubber anti-aging agent. It can also be used as insect repellent for livestock and fruit tree pesticide.
At present, in the phenothiazine production process, a batch of raw materials and a catalyst are put into a tank body, then under a certain reaction temperature and stirring, the raw materials are melted and react under the catalysis of the catalyst, the phenothiazine generated in the tank body is output, a new batch of raw materials and the catalyst are put into the tank body, and the steps are repeated. The above process cannot achieve continuous production of phenothiazine, and the yield of phenothiazine is difficult to control.
Disclosure of utility model
The application provides a micro-reactor and a reaction system for producing phenothiazine, which can conveniently control the output of the phenothiazine.
Embodiments of the present application provide a microreactor for producing phenothiazine that includes a body, a catalyst pad, and a heater. The main part is limited and is held the chamber, holds the chamber and is the strip that vertical extension was said, holds the diapire in chamber and has the stock solution import, holds the roof in chamber and has the phenothiazine export, and the main part is used for making the stock solution import through the stock solution import hold the chamber to react in holding the chamber and produce phenothiazine, and the phenothiazine exports from holding the chamber through the phenothiazine export. The catalyst filling layer is arranged in the accommodating cavity, and the catalyst filling layer is used for enabling the raw material liquid to react to generate phenothiazine under the catalysis of the catalyst in the catalyst filling layer. The heater is attached to the outer wall of the main body, and the heater is used for enabling the raw material liquid to react at the reaction temperature provided by the heater to generate phenothiazine.
In some embodiments, the side wall of the accommodating cavity is a cylindrical surface, the bottom wall of the accommodating cavity is a cambered surface with a concave center, the top wall of the accommodating cavity is a cambered surface with a convex center, the side wall of the accommodating cavity and the bottom wall of the accommodating cavity are in smooth transition, and the side wall of the accommodating cavity and the top wall of the accommodating cavity are in smooth transition.
In some of these embodiments, the feed solution inlet is disposed at the bottom end of the bottom wall of the holding chamber and the phenothiazine outlet is disposed at the top end of the top wall of the holding chamber.
In some of these embodiments, the catalyst packing includes an upper mesh plate, a lower mesh plate, and a particulate catalyst filled between the upper mesh plate and the lower mesh plate.
In some of these embodiments, the upper mesh panel and the lower mesh panel are both disposed laterally.
In some of these embodiments, the height of the catalyst pad is less than or equal to the height of the side walls of the body.
In some of these embodiments, the heater comprises a plurality of heating tubes, each arranged in a vertical direction, each disposed around the body.
In some of these embodiments, the height of the heater is greater than or equal to the height of the catalyst fill.
Embodiments of the present application also provide a reaction system for producing phenothiazine, comprising: the micro-reactor comprises a raw material tank, the micro-reactor, a conveying pipeline and a pump body. The conveying pipeline is communicated with a raw material liquid outlet of the raw material tank and a raw material liquid inlet of the micro-reactor. The pump body is arranged on the conveying pipeline.
In some of these embodiments, the top of the feed tank has a feed inlet and the bottom of the feed tank has a feed liquid outlet.
A microreactor for producing phenothiazine according to an embodiment of the present application includes a main body, a catalyst-filled layer, and a heater. The main part is limited and is held the chamber, holds the chamber and is the strip that vertical extension was said, holds the diapire in chamber and has the stock solution import, holds the roof in chamber and has the phenothiazine export, and the main part is used for making the stock solution import through the stock solution import hold the chamber to react in holding the chamber and produce phenothiazine, and the phenothiazine exports from holding the chamber through the phenothiazine export. The catalyst filling layer is arranged in the accommodating cavity, and the catalyst filling layer is used for enabling the raw material liquid to react to generate phenothiazine under the catalysis of the catalyst in the catalyst filling layer. The heater is attached to the outer wall of the main body, and the heater is used for enabling the raw material liquid to react at the reaction temperature provided by the heater to generate phenothiazine. After the microreactor is used for producing phenothiazine, raw material liquid is input into the microreactor through the raw material liquid inlet at the bottom of the microreactor and then flows through the catalyst filling layer in the microreactor, in the process, under the catalysis of the catalyst in the catalyst filling layer and the reaction temperature provided by the microreactor, the raw material liquid reacts to produce phenothiazine, the phenothiazine flowing through the catalyst filling layer is output from the microreactor through the phenothiazine outlet at the top of the microreactor, so that the continuous production of the phenothiazine is realized, and the yield of the phenothiazine can be controlled in real time by controlling the feeding amount of the raw material liquid in real time.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a reaction system according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to FIG. 1, an embodiment of the present application provides a microreactor 11 for producing phenothiazine, comprising a main body 111, a catalyst-filled layer 112, and a heater 113.
The body 111 defines a receiving cavity in the form of a vertically extending strip. The side wall of the receiving chamber may be cylindrical. The bottom wall of the accommodating cavity can be a cambered surface with a downward concave center. The top wall of the accommodating cavity can be an arc surface with the center protruding upwards, and the side wall of the accommodating cavity and the bottom wall of the accommodating cavity can be in smooth transition. The side walls of the receiving chamber may be smoothly transitioned to the top wall of the receiving chamber. The bottom end of the bottom wall of the receiving chamber may have a raw liquid inlet 1111. The raw material liquid inlet 1111 is provided with a raw material liquid feed control valve. The top end of the top wall of the receiving chamber may have a phenothiazine outlet 1112. The phenothiazine outlet 1112 is provided with a phenothiazine discharge control valve.
The above-described main body 111 is used to allow a raw material liquid to be fed into the housing chamber through the raw material liquid inlet 1111 and react in the housing chamber to produce phenothiazine, and the phenothiazine is fed out from the housing chamber through the phenothiazine outlet 1112. The raw material liquid may be a melt of sulfur and diphenylamine.
A catalyst pad 112 is disposed in the containment chamber. The catalyst packing 112 may include an upper mesh plate, a lower mesh plate, and a particulate catalyst filled between the upper mesh plate and the lower mesh plate. The upper screen plate and the lower screen plate can be both transversely arranged. The height of the catalyst pad 112 may be less than or equal to the height of the sidewall of the body 111.
The catalyst-filled layer 112 is used to make the raw material liquid react to generate phenothiazine under the catalysis of the catalyst in the catalyst-filled layer 112. The catalyst may be iodine particles, aluminum trichloride particles, or the like. The catalyst pad 112 may have a height of 1 meter and a diameter of 0.2 meter.
The heater 113 is bonded to the outer wall of the main body 111. The heater 113 may include a plurality of heating pipes. The heating pipes may be arranged in a vertical direction. Each heating tube may be disposed around the body 111. The overall height of the heater 113 may be greater than or equal to the height of the catalyst pad 112.
The heater 113 is used to react the raw material liquid at a reaction temperature provided by the heater 113 to produce phenothiazine. A thermometer and a pressure gauge are also installed on the main body 111 to detect the reaction temperature and the reaction pressure in the accommodating chamber. The reaction temperature may be 185 ℃. The reaction pressure may be 1MPa.
After the microreactor 11 is used for producing phenothiazine, raw material liquid is input into the microreactor 11 through the raw material liquid inlet 1111 at the bottom of the microreactor 11 and then flows through the catalyst filling layer 112 in the microreactor 11, in the process, under the catalysis of the catalyst in the catalyst filling layer 112 and the reaction temperature provided by the microreactor 11, the raw material liquid reacts to produce phenothiazine, the phenothiazine flowing through the catalyst filling layer 112 is output from the microreactor 11 through the phenothiazine outlet 1112 at the top of the microreactor 11, so that the continuous production of the phenothiazine is realized, and the yield of the phenothiazine can be controlled in real time by controlling the feeding amount of the raw material liquid in real time.
Embodiments of the present application also provide a reaction system for producing phenothiazine, comprising: a raw material tank 12, the above-mentioned microreactor 11, a conveying pipe 13 and a pump body 14.
The feedstock tank 12 is used to melt mix the feedstock in the feedstock tank 12. The feedstock tank 12 may include a plurality. The top of the feed tank 12 may have a feed inlet 121 for feeding sulfur and diphenylamine. A heating jacket 123 and a motor 125 driven agitator 124 may be mounted to the feed tank 12 to melt the mixed sulfur and diphenylamine. The bottom of the feed tank 12 has a feed liquid outlet 122. The feed solution outlet 122 may be a feed solution discharge control valve.
The microreactor 11 is used to react a raw material liquid in the microreactor 11 to produce phenothiazine.
The transfer pipe 13 is used to transfer the raw material liquid in the raw material tank 12 to the microreactor 11. The transfer pipe 13 transfers the feed liquid outlet 122 of the feed tank 12 and the feed liquid inlet 1111 of the microreactor 11 to communicate with each other.
The pump body 14 is used for realizing the conveying of the raw material liquid and controlling the conveying speed of the raw material liquid. The pump body 14 is arranged on the delivery conduit 13.
In summary, after the reaction system of the present application is used for producing phenothiazine, the raw material liquid is prepared and stored through the raw material tank 12, and the raw material liquid in the raw material tank 12 is conveyed to the microreactor 11 through the conveying pipeline 13 and the pump body 14, so that the raw material liquid is provided for the microreactor 11, the continuous production of phenothiazine is realized, and meanwhile, the yield of phenothiazine is convenient to control.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. A microreactor for producing phenothiazine, comprising:
The main body is used for enabling raw material liquid to be input into the accommodating cavity through the raw material liquid inlet and react in the accommodating cavity to generate phenothiazine, and the phenothiazine is output from the accommodating cavity through the phenothiazine outlet;
the catalyst filling layer is arranged in the accommodating cavity and is used for enabling the raw material liquid to react under the catalysis of a catalyst in the catalyst filling layer to generate the phenothiazine;
And the heater is attached to the outer wall of the main body and is used for enabling the raw material liquid to react at the reaction temperature provided by the heater to generate the phenothiazine.
2. A microreactor as claimed in claim 1, wherein,
The side wall of holding the chamber is the face of cylinder, the diapire of holding the chamber is the cambered surface of central downward concave type, the roof of holding the chamber is the cambered surface of central upward convex, the side wall of holding the chamber with the diapire of holding the chamber is smooth transition, the side wall of holding the chamber with the roof of holding the chamber is smooth transition.
3. A microreactor as claimed in claim 2, wherein,
The raw material liquid inlet is arranged at the bottom end of the bottom wall of the accommodating cavity, and the phenothiazine outlet is arranged at the top end of the top wall of the accommodating cavity.
4. A microreactor as claimed in claim 1, wherein,
The catalyst filling layer comprises an upper screen plate, a lower screen plate and a granular catalyst filled between the upper screen plate and the lower screen plate.
5. A microreactor as claimed in claim 4, wherein,
The upper screen plate and the lower screen plate are transversely arranged.
6. A microreactor as claimed in claim 2, wherein,
The height of the catalyst filling layer is less than or equal to the height of the side wall of the main body.
7. A microreactor as claimed in claim 1, wherein,
The heater comprises a plurality of heating pipes, each heating pipe is arranged along the vertical direction, and each heating pipe is arranged around the main body.
8. A microreactor as claimed in claim 7, wherein,
The height of the heater is greater than or equal to the height of the catalyst packing.
9. A reaction system for producing phenothiazine, comprising:
A raw material tank;
A microreactor according to any one of claims 1 to 8;
a conveying pipeline which is communicated with a raw material liquid outlet of the raw material tank and a raw material liquid inlet of the micro-reactor;
And the pump body is arranged on the conveying pipeline.
10. The reaction system of claim 9, wherein,
The top of the raw material tank is provided with a raw material throwing port, and the bottom of the raw material tank is provided with a raw material liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095572.XU CN220940619U (en) | 2023-08-04 | 2023-08-04 | Microreactor for producing phenothiazine and reaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095572.XU CN220940619U (en) | 2023-08-04 | 2023-08-04 | Microreactor for producing phenothiazine and reaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220940619U true CN220940619U (en) | 2024-05-14 |
Family
ID=91020030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095572.XU Active CN220940619U (en) | 2023-08-04 | 2023-08-04 | Microreactor for producing phenothiazine and reaction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220940619U (en) |
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2023
- 2023-08-04 CN CN202322095572.XU patent/CN220940619U/en active Active
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