CN215901749U - Condensation reaction system for producing secondary amine methyl ester hydrochloride - Google Patents
Condensation reaction system for producing secondary amine methyl ester hydrochloride Download PDFInfo
- Publication number
- CN215901749U CN215901749U CN202121504540.5U CN202121504540U CN215901749U CN 215901749 U CN215901749 U CN 215901749U CN 202121504540 U CN202121504540 U CN 202121504540U CN 215901749 U CN215901749 U CN 215901749U
- Authority
- CN
- China
- Prior art keywords
- condensation reaction
- kettle
- hydrochloric acid
- condenser
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a condensation reaction system for producing secondary amine methyl ester hydrochloride, wherein the top of a condensation reaction kettle is provided with a feeding hole respectively connected with an esterification distillation kettle and a condensation batching kettle; the top of the condensation reaction kettle is also provided with a hydrochloric acid adding port; the hydrochloric acid adding port is connected with the condensation reaction kettle; the hydrochloric acid intermediate tank is connected with a hydrochloric acid tank in the hydrochloric acid tank area; the top of the condensation reaction kettle is provided with a gas outlet; the gas outlet is connected with a heat source inlet of the first condenser; a heat source outlet of the condenser I is connected with the buffer tank through a pipeline and a variable frequency fan I; the buffer tank is connected with a heat source inlet of the second condenser; a heat source outlet of the condenser II is connected with a waste gas inlet at the lower part of the packed tower; an exhaust port at the top of the packing tower is connected with a second variable-frequency induced draft fan; a liquid outlet at the bottom of the packing tower is connected with the receiving tank; the alkali liquor outlet of the receiving tank is connected with the alkali liquor inlet at the top of the packed tower through a discharge pump. The condensation reaction system of the utility model improves the utilization rate of raw materials and reaction efficiency.
Description
Technical Field
The utility model relates to the technical field of secondary amine methyl ester hydrochloride production, and particularly relates to a condensation reaction system for producing secondary amine methyl ester hydrochloride.
Background
The secondary amine methyl ester hydrochloride is valsartan condensate hydrochloride, condensation reaction is required in the production process of the secondary amine methyl ester hydrochloride, tail gas is generated in the condensation reaction process, air pollution is caused by direct emission, the required temperature cannot be guaranteed by condensation reaction in a common reaction kettle, and the bottom cannot be stirred, so that the yield of the generated product is low, and the loss of raw materials is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a condensation reaction system for producing secondary amine methyl ester hydrochloride, effectively treating tail gas in the reaction process and avoiding the problem of environmental pollution caused by direct emission of the tail gas into the atmosphere.
In order to solve the technical problems, the utility model adopts the following technical scheme: the condensation reaction system for producing secondary amine methyl ester hydrochloride comprises a condensation reaction kettle, a first condenser, a first variable frequency fan, a buffer tank, a second condenser, a packed tower, a receiving tank, a second variable frequency fan and a hydrochloric acid intermediate tank; the top of the condensation reaction kettle is provided with a feed inlet which is respectively connected with the esterification distillation kettle and the condensation batching kettle; the top of the condensation reaction kettle is also provided with a hydrochloric acid adding port; the hydrochloric acid adding port is connected with the condensation reaction kettle; the hydrochloric acid intermediate tank is connected with a hydrochloric acid tank in the hydrochloric acid tank area; the top of the condensation reaction kettle is provided with a gas outlet; the gas outlet is connected with a heat source inlet of the first condenser; a heat source outlet of the condenser I is connected with the buffer tank through a pipeline and a variable frequency fan I; the buffer tank is connected with a heat source inlet of the second condenser; a heat source outlet of the second condenser is connected with a waste gas inlet at the lower part of the packed tower; an exhaust port at the top of the packing tower is connected with a variable-frequency draught fan II; a liquid outlet at the bottom of the packing tower is connected with a receiving tank; and an alkali liquor outlet of the receiving tank is connected with an alkali liquor inlet at the top of the packed tower through a discharge pump.
Further, the condensation reaction kettle comprises a kettle body; the internal stirring subassembly and the heating element of being provided with of cauldron.
Further, the stirring assembly comprises a stirring shaft; and a U-shaped stirring paddle is arranged below the stirring shaft.
Further, the U-shaped stirring paddle is provided with stirring blades; the included angle between the stirring blades and the horizontal plane is 30-45 degrees.
Furthermore, the heating component is a jacket arranged outside the kettle body, and a steam heating cavity is arranged between the jacket and the side wall of the kettle body; the lower part of the steam heating cavity is provided with a steam inlet, and the upper part of the steam heating cavity is provided with a steam outlet; and a switch valve is arranged at the steam inlet.
Further, a temperature sensor is arranged in the kettle body; the temperature sensor is connected with the main control chip; the main control chip controls the on-off valve to be opened and closed.
Furthermore, a sampling assembly is also arranged on the kettle body; the sampling assembly comprises a sampling pipe extending to the lower part of the kettle body; the top of the sampling tube is fixed on an end cover at the top of the kettle body; the sampling tube is connected with a sample feeding pipeline; the sample sending pipeline is connected with the electromagnetic valve and the sampling pump.
The utility model has the beneficial effects that:
1) the condensation reaction system for producing the secondary amine methyl ester hydrochloride is used for treating the secondary amine methyl ester hydrochloride, has simple and effective treatment mode, low cost and good environmental protection effect, and effectively relieves the problem of environmental pollution caused by directly discharging tail gas into the atmosphere.
2) The condensation kettle of the condensation reaction system for producing secondary amine methyl ester hydrochloride is internally provided with the stirring component and the heating component, so that the utilization rate of raw materials and the reaction efficiency are improved.
3) The condensation kettle is internally provided with the sampling assembly, so that the reaction condition of each raw material can be monitored on line.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of a condensation reactor.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
In the description of the present invention, it is to be understood that the terms "middle", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In addition, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, the condensation reaction system for producing secondary amine methyl ester hydrochloride of the present invention comprises a condensation reaction kettle 1, a first condenser 2, a first variable frequency fan 3, a buffer tank 4, a second condenser 5, a packed tower 6, a receiving tank 7, a second variable frequency induced draft fan 8 and a hydrochloric acid intermediate tank 9; the top of the condensation reaction kettle 1 is provided with a feed inlet which is respectively connected with the esterification distillation kettle and the condensation batching kettle; the top of the condensation reaction kettle 1 is also provided with a hydrochloric acid adding port; the hydrochloric acid adding port is connected with the condensation reaction kettle 1; the hydrochloric acid intermediate tank 9 is connected with a hydrochloric acid tank in the hydrochloric acid tank area; the top of the condensation reaction kettle 1 is provided with a gas outlet; the gas outlet is connected with a heat source inlet of the condenser I2; a heat source outlet of the condenser I2 is connected with a buffer tank 4 through a pipeline and a variable frequency fan I3; the buffer tank 4 is connected with a heat source inlet of a second condenser 5; a heat source outlet of the second condenser 5 is connected with a waste gas inlet at the lower part of the packed tower 6; an exhaust port at the top of the packed tower 6 is connected with a variable-frequency draught fan II 8; a liquid outlet at the bottom of the packed tower 6 is connected with a receiving tank 7; and an alkali liquor outlet of the receiving tank 7 is connected with an alkali liquor inlet at the top of the packed tower 6 through a discharge pump 10.
The working process of the condensation reaction system of the utility model is as follows:
condensation reaction kettle 1's top is provided with the feed inlet of being connected with esterification distillation cauldron and condensation batching cauldron respectively, the material that comes out from esterification distillation cauldron and condensation batching cauldron gets into condensation reaction kettle 1 in, add hydrochloric acid and pure water in the condensation reaction kettle 1 and carry out condensation reaction, the tail gas that produces among the reaction process introduces buffer tank 4 by frequency conversion fan 3, buffer tank 4 reduces the suction line flow unevenness, waste gas in the buffer tank passes through condenser condensation after the washing tower, tentatively get rid of dust and small granule in the tail gas, then wash with alkaline getting into the packed tower, get rid of the harmful substance in the tail gas, reach emission standard.
The condensation reaction kettle 1 comprises a kettle body 11; and a stirring component and a heating component are arranged in the kettle body 11.
The stirring assembly of the present invention comprises a stirring shaft 21; and a U-shaped stirring paddle 22 is arranged below the stirring shaft 21. The U-shaped stirring paddle 22 is provided with a stirring blade 23; the included angle between the stirring blades and the horizontal plane is 30-45 degrees.
The heating component is a jacket 31 arranged outside the kettle body 11, and a steam heating cavity 32 is arranged between the jacket and the side wall of the kettle body; the lower part of the steam heating cavity is provided with a steam inlet, and the upper part of the steam heating cavity is provided with a steam outlet; an on-off valve 33 is provided at the steam inlet. A temperature sensor 12 is arranged in a kettle body 11; the temperature sensor is connected with the main control chip; the main control chip controls the on-off valve 33 to open and close.
The condensation kettle of the condensation reaction system for producing secondary amine methyl ester hydrochloride is internally provided with the stirring component and the heating component, so that the utilization rate of raw materials and the reaction efficiency are improved.
The kettle body 11 is also provided with a sampling assembly; the sampling assembly comprises a sampling pipe 41 extending to the lower part of the kettle body 11; the top of the sampling tube 41 is fixed on an end cover at the top of the kettle body; the sampling tube 41 is connected with a sample feeding pipeline 42; the sample feeding pipe 42 is connected to a solenoid valve 43 and a sampling pump 44.
The condensation kettle is internally provided with the sampling assembly, so that the reaction condition of each raw material can be monitored on line.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model.
Claims (7)
1. The condensation reaction system for producing secondary amine methyl ester hydrochloride is characterized in that: comprises a condensation reaction kettle (1), a first condenser (2), a first variable frequency fan (3), a buffer tank (4), a second condenser (5), a packed tower (6), a receiving tank (7), a second variable frequency induced draft fan (8) and a hydrochloric acid intermediate tank (9); the top of the condensation reaction kettle (1) is provided with a feeding hole which is respectively connected with the esterification distillation kettle and the condensation batching kettle; the top of the condensation reaction kettle (1) is also provided with a hydrochloric acid adding port; the hydrochloric acid adding port is connected with the condensation reaction kettle (1); the hydrochloric acid intermediate tank (9) is connected with a hydrochloric acid tank in the hydrochloric acid tank area; the top of the condensation reaction kettle (1) is provided with a gas outlet; the gas outlet is connected with a heat source inlet of the first condenser (2); a heat source outlet of the condenser I (2) is connected with the buffer tank (4) through a pipeline and a variable frequency fan I (3); the buffer tank (4) is connected with a heat source inlet of the second condenser (5); a heat source outlet of the second condenser (5) is connected with a waste gas inlet at the lower part of the packed tower (6); an exhaust port at the top of the packed tower (6) is connected with a second variable-frequency induced draft fan (8); a liquid outlet at the bottom of the packed tower (6) is connected with a receiving tank (7); and an alkali liquor outlet of the receiving tank (7) is connected with an alkali liquor inlet at the top of the packed tower (6) through a discharge pump (10).
2. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 1, characterized in that: the condensation reaction kettle (1) comprises a kettle body (11); and a stirring component and a heating component are arranged in the kettle body (11).
3. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 2, characterized in that: the stirring component comprises a stirring shaft (21); and a U-shaped stirring paddle (22) is arranged below the stirring shaft (21).
4. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 3, characterized in that: the U-shaped stirring paddle (22) is provided with a stirring blade (23); the included angle between the stirring blades and the horizontal plane is 30-45 degrees.
5. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 2, characterized in that: the heating component is a jacket (31) arranged outside the kettle body (11), and a steam heating cavity (32) is arranged between the jacket and the side wall of the kettle body; the lower part of the steam heating cavity is provided with a steam inlet, and the upper part of the steam heating cavity is provided with a steam outlet; and a switch valve (33) is arranged at the steam inlet.
6. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 5, characterized in that: a temperature sensor (12) is arranged in the kettle body (11); the temperature sensor is connected with the main control chip; the main control chip controls the on-off valve (33) to open and close.
7. The condensation reaction system for producing secondary amine methyl ester hydrochloride according to claim 5, characterized in that: the kettle body (11) is also provided with a sampling assembly; the sampling assembly comprises a sampling pipe (41) extending to the lower part of the kettle body (11); the top of the sampling tube (41) is fixed on an end cover at the top of the kettle body; the sampling tube (41) is connected with a sample feeding pipeline (42); the sample feeding pipeline (42) is connected with an electromagnetic valve (43) and a sampling pump (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121504540.5U CN215901749U (en) | 2021-07-05 | 2021-07-05 | Condensation reaction system for producing secondary amine methyl ester hydrochloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121504540.5U CN215901749U (en) | 2021-07-05 | 2021-07-05 | Condensation reaction system for producing secondary amine methyl ester hydrochloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215901749U true CN215901749U (en) | 2022-02-25 |
Family
ID=80288976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121504540.5U Active CN215901749U (en) | 2021-07-05 | 2021-07-05 | Condensation reaction system for producing secondary amine methyl ester hydrochloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215901749U (en) |
-
2021
- 2021-07-05 CN CN202121504540.5U patent/CN215901749U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202447086U (en) | Stainless steel reaction kettle | |
| CN215901749U (en) | Condensation reaction system for producing secondary amine methyl ester hydrochloride | |
| CN220126204U (en) | Reactor for purifying waste metal silicon mud raw materials | |
| CN216630823U (en) | Horizontal type reaction kettle for preparing environment-friendly water glass | |
| CN213528616U (en) | Hydrolysis reaction kettle with constant temperature heat preservation function | |
| CN215540673U (en) | Heating reaction vacuum recovery device | |
| CN210079461U (en) | Vacuum condensation reaction kettle | |
| CN211864987U (en) | Continuous efficient oxidation reactor | |
| CN210885385U (en) | Energy-saving high-temperature hydrolysis reaction kettle | |
| CN208980736U (en) | Reactor tank is used in a kind of processing of citric acid complex enzyme | |
| CN202893333U (en) | Gas-liquid reaction device | |
| CN214514588U (en) | 2, 4-di-tert-butylphenol production system | |
| CN208275299U (en) | A kind of sodium metaaluminate preparing device | |
| CN215783222U (en) | Valsartan intermediate production is with acidizing system | |
| CN213434458U (en) | Improved reaction kettle for preparing melamine formaldehyde resin | |
| CN206560854U (en) | A kind of stainless steel cauldron | |
| CN214553383U (en) | Prevent three-phase reactor of jam | |
| CN217498798U (en) | Industrial wastewater thermal oxidation treatment integrated equipment | |
| CN212999994U (en) | Heating cooling reaction kettle system | |
| CN213222073U (en) | Closed reaction kettle for synthesizing N-methyl o-phenylenediamine hydrochloride | |
| CN218620844U (en) | Aerobic fermentation tank capable of controlling air inflow | |
| CN212207407U (en) | Protein content detection device in egg liquid | |
| CN219964872U (en) | Self-circulation reaction system | |
| CN220459911U (en) | Concentrated fruit juice evaporation plant | |
| CN220708202U (en) | Heat transfer device is used in isooctane production and processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |