CN213408678U - Continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide - Google Patents
Continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide Download PDFInfo
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- CN213408678U CN213408678U CN202021863519.XU CN202021863519U CN213408678U CN 213408678 U CN213408678 U CN 213408678U CN 202021863519 U CN202021863519 U CN 202021863519U CN 213408678 U CN213408678 U CN 213408678U
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- hydroxyphenyl
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Abstract
The utility model relates to a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means, serialization operating means include coil pipe formula reactor and with the quenching reation kettle that coil pipe formula reactor be connected, coil pipe formula reactor be connected with reaction bed charge solution storage tank through first peristaltic pump, coil pipe formula reactor be connected with the acylating agent storage tank through the second peristaltic pump, quenching reation kettle be connected with acid solution dropwise add jar through first control valve. Adopted the utility model discloses a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means, reaction bed charge and acylating agent mix reaction in coil pipe formula reactor, get into quenching reation kettle again and quench, and the back is appeared to the product, and the stirring can the blowing, has increased the productivity, has reduced the production of impurity.
Description
Technical Field
The utility model relates to the technical field of industrial equipment, a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means is related to.
Background
The existing production device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide mainly comprises the following steps: adding the raw materials and the solvent into a reaction kettle, and then beginning to dropwise add the other raw material. Wherein, impurities are easy to generate in the process of dropwise adding reaction, and the reaction time is long, thereby not only causing poor product quality, but also limiting the productivity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a continuous operation device for synthesizing N- (4-hydroxyphenyl) benzene sulfonamide, which reduces the generation of impurities and increases the production energy.
In order to achieve the above object, the present invention adopts the following technical solution for a continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide:
the continuous operation device comprises a coil pipe type reactor and a quenching reaction kettle connected with the coil pipe type reactor, wherein the coil pipe type reactor is connected with a reaction bottom material solution storage tank through a first peristaltic pump, the coil pipe type reactor is connected with an acylating agent storage tank through a second peristaltic pump, and the quenching reaction kettle is connected with an acid solution dropwise adding tank through a first control valve.
Preferably, a first flow meter is arranged between the reaction primer solution storage tank and the first peristaltic pump, and a second flow meter is arranged between the acylating agent storage tank and the second peristaltic pump.
Preferably, the bottom of the quenching reaction kettle is connected with a waste liquid storage tank through a centrifuge.
Preferably, a second control valve is arranged between the bottom of the quenching reaction kettle and the centrifuge.
Preferably, the quenching reaction kettle is provided with a stirring mechanism.
Adopted the utility model discloses a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means, reaction bed charge and acylating agent mix reaction in coil pipe formula reactor, get into quenching reation kettle again and quench, and the back is appeared to the product, and the stirring can the blowing have increased the productivity, has reduced the production of impurity.
Drawings
FIG. 1 is a schematic structural diagram of a continuous operation apparatus for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide according to the present invention.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.
As shown in fig. 1, for the utility model provides a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means's technical scheme, wherein, serialization operating means include coil pipe formula reactor 5 and with the quenching reation kettle 8 that coil pipe formula reactor is connected, coil pipe formula reactor 5 be connected with reaction bed charge solution storage tank 1 through peristaltic pump 4, coil pipe formula reactor 5 be connected with acylating agent storage tank 2 through peristaltic pump 4, quenching reation kettle 8 be connected with acid solution dropwise add jar 6 through first control valve 7.
Flow meters 3 are arranged between the reaction bottom material solution storage tank 1 and the peristaltic pump 4 and between the acylating agent storage tank 2 and the second peristaltic pump 4.
The bottom of the quenching reaction kettle 8 is connected with a waste liquid storage tank 11 through a centrifugal machine 10. A second control valve 9 is arranged between the bottom of the quenching reaction kettle 8 and the centrifuge 10.
When the continuous operation device for synthesizing the N- (4-hydroxyphenyl) benzenesulfonamide provided by the utility model is used, quantitative 4-aminophenol and pyridine are dissolved in DMF solution and are introduced into the coil-type reactor through a flowmeter and a peristaltic pump, and benzene sulfonyl chloride enters the coil-type reactor through another pipeline and the flowmeter and the peristaltic pump; and (3) introducing the mixed reaction liquid in the coil pipe type reactor into a quenching reaction kettle through a pipeline, dropwise adding an acid solution into a dropwise adding tank to adjust the pH value for quenching, after a product is separated out, uniformly stirring, discharging through a bottom valve, centrifuging to obtain a product, and treating the centrifugate with waste liquid.
Adopted the utility model discloses a synthetic N- (4-hydroxyphenyl) benzenesulfonamide's serialization operating means, reaction bed charge and acylating agent mix reaction in coil pipe formula reactor, get into quenching reation kettle again and quench, and the back is appeared to the product, and the stirring can the blowing, has increased the productivity, has reduced the production of impurity.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (5)
1. The continuous operation device for synthesizing the N- (4-hydroxyphenyl) benzenesulfonamide is characterized by comprising a coil-type reactor and a quenching reaction kettle connected with the coil-type reactor, wherein the coil-type reactor is connected with a reaction bottom material solution storage tank through a first peristaltic pump, the coil-type reactor is connected with an acylating agent storage tank through a second peristaltic pump, and the quenching reaction kettle is connected with an acid solution dropwise adding tank through a first control valve.
2. The continuous operation apparatus for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide according to claim 1, wherein a first flow meter is provided between the reaction bottom material solution tank and the first peristaltic pump, and a second flow meter is provided between the acylating agent tank and the second peristaltic pump.
3. The continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide according to claim 1, wherein the bottom of the quenching reaction kettle is connected to a waste liquid storage tank through a centrifuge.
4. The continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide according to claim 3, wherein a second control valve is provided between the bottom of the quenching reaction vessel and the centrifuge.
5. The continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide according to claim 1, wherein the quenching reaction kettle has a stirring mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863519.XU CN213408678U (en) | 2020-08-31 | 2020-08-31 | Continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863519.XU CN213408678U (en) | 2020-08-31 | 2020-08-31 | Continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213408678U true CN213408678U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021863519.XU Active CN213408678U (en) | 2020-08-31 | 2020-08-31 | Continuous operation device for synthesizing N- (4-hydroxyphenyl) benzenesulfonamide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213408678U (en) |
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2020
- 2020-08-31 CN CN202021863519.XU patent/CN213408678U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Continuous operation device for synthesis of N - (4-hydroxyphenyl) benzene sulfonamide Effective date of registration: 20221121 Granted publication date: 20210611 Pledgee: Industrial Bank Co.,Ltd. Shanghai Pudong Sub branch Pledgor: SHANGHAI BETTERSYN BIOTECH CO.,LTD. Registration number: Y2022310000328 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |