CN203803133U - Benzotrichloride separation and purification heating device - Google Patents
Benzotrichloride separation and purification heating device Download PDFInfo
- Publication number
- CN203803133U CN203803133U CN201420171598.6U CN201420171598U CN203803133U CN 203803133 U CN203803133 U CN 203803133U CN 201420171598 U CN201420171598 U CN 201420171598U CN 203803133 U CN203803133 U CN 203803133U
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- benzotrichloride
- distillation
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- hot oil
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Abstract
The utility model discloses a benzotrichloride separation and purification heating device which comprises a distillation kettle, wherein the distillation kettle is provided with a feeding pipe and is connected with a distillation tower; the distillation tower is connected with a condenser; the condenser is connected with a pre-distillation tank and a finished product tank; the distillation tank is connected with a hot oil boiler; and the pre-distillation tank is connected with a vacuum device. According to the benzotrichloride separation and purification heating device, a benzotrichloride crude product is heated and is distilled in the distillation kettle, and the hot oil boiler is used so that the distillation temperature is conveniently controlled, and the purification of benzotrichloride is greatly improved; the hot oil temperature of the boiler is properly adjusted, so that the production cost can be well lowered and impurities of benzotrichloride are greatly reduced.
Description
Technical field
The utility model relates to benzotrichloride preparation field, particularly a kind of benzotrichloride separating-purifying heater.
Background technology
Benzotrichloride is as the important source material of medicine intermediate, and its purity is extremely important to the quality of downstream product.The steam heated mode of tradition reclaims benzotrichloride, and the heat time is long, impurity content is high, thereby has brought the problems such as downstream product poor quality, cost raising.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of benzotrichloride separating-purifying heater, and benzotrichloride content improves, and impurity content reduces, and improves the quality of products.
The technical scheme that the utility model is taked is: a kind of benzotrichloride separating-purifying heater, comprise distillation still, distillation still is provided with feed pipe, distillation still connects destilling tower, destilling tower connects condenser, before condenser connects, heat up in a steamer tank, finished pot, distillation still connects hot oil boiler, heats up in a steamer tank before described and connects vacuum plant.
Described vacuum plant comprises water tank, vavuum pump, water pump, and water tank connects vavuum pump and water pump by pipeline, and vavuum pump heats up in a steamer tank before connecting.Before described, heat up in a steamer tank and be provided with the first discharge nozzle, described finished pot is provided with the second discharge nozzle.
Described hot oil boiler is provided with deep fat valve.
A kind of benzotrichloride separating-purifying of the utility model heater, realization is heated to benzotrichloride crude product, in distillation still, distills, and elects boiler as hot oil boiler, is convenient to control vapo(u)rizing temperature, and purification benzotrichloride is had greatly to change.Suitably regulate the hot oil temperature of boiler, just can well save production cost, the impurity of benzotrichloride is greatly reduced.
accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram.
The specific embodiment
As shown in Figure 1, a kind of benzotrichloride purification heater, comprise distillation still 4, distillation still 4 is provided with feed pipe 1, distillation still 4 connects destilling tower 5, destilling tower 5 connects condenser 7 by the first pipeline 6, and condenser 7 is provided with water inlet pipe 9, outlet pipe 8, and condenser 7 heats up in a steamer tank 13, finished pot 11 before connecting by second pipe 10.Before described, heat up in a steamer tank 13 and be provided with the first discharge nozzle 14, described finished pot 11 is provided with the second discharge nozzle 12.Distillation still 4 connects hot oil boiler 20 by the 3rd pipeline 3, and described hot oil boiler 20 is provided with deep fat valve 2.Before described, heat up in a steamer tank 13 and connect vacuum plant.Described vacuum plant comprises water tank 17, vavuum pump 16, water pump 18, and water tank 17 connects vavuum pump 16 and water pump 18, before vavuum pump 16 the 4th pipeline 15 connects, heats up in a steamer tank 13.On described pipeline, feed pipe 1, described discharge nozzle, be equipped with by-pass valve control.
Implementation step: benzotrichloride crude product enters distillation still 4 by feed pipe 1 and distills, by destilling tower 5, by the first pipeline 6, be communicated with condenser 7, the benzotrichloride having distilled is by the cooling purification of condenser 7, before being flowed into by second pipe 10, heat up in a steamer tank 13, or finished pot 11, enters down one packaging process and packs.Vavuum pump 16 is connected by the 4th pipeline 19 with water pump 18, and water tank 17 forms vacuum system.Improve benzotrichloride rectifying speed, by hot oil boiler 20, deep fat valve 2 and distillation still 4, interlayer and the 3rd pipeline 3, provide heating system.
Use the utility model benzotrichloride purification heater, should be first by benzotrichloride crude product, by vacuum, brought in distillation still 4, again the deep fat valve 2 on hot oil boiler 20 is opened, make distillation still 4 slowly be heated to the temperature of benzotrichloride distillation, it is cooling that benzotrichloride after distillation arrives condenser 7 by the first pipeline 6, obtains the benzotrichloride that purity is very high.
Claims (5)
1. a benzotrichloride separating-purifying heater, comprise distillation still (4), distillation still (4) is provided with feed pipe (1), distillation still (4) connects destilling tower (5), destilling tower (5) connects condenser (7), and condenser (7) heats up in a steamer tank (13), finished pot (11) before connecting, and it is characterized in that, distillation still (4) connects hot oil boiler (20), heats up in a steamer tank (13) before described and connects vacuum plant.
2. a kind of benzotrichloride separating-purifying heater according to claim 1, it is characterized in that, described vacuum plant comprises water tank (17), vavuum pump (16), water pump (18), water tank (17) connects vavuum pump (16) and water pump (18) by pipeline, and vavuum pump (16) heats up in a steamer tank (13) before connecting.
3. a kind of benzotrichloride separating-purifying heater according to claim 1, is characterized in that, heats up in a steamer tank (13) before described to be provided with the first discharge nozzle (14).
4. a kind of benzotrichloride separating-purifying heater according to claim 1, is characterized in that, described finished pot (11) is provided with the second discharge nozzle (12).
5. a kind of benzotrichloride separating-purifying heater according to claim 1, is characterized in that, described hot oil boiler (20) is provided with deep fat valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171598.6U CN203803133U (en) | 2014-04-10 | 2014-04-10 | Benzotrichloride separation and purification heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171598.6U CN203803133U (en) | 2014-04-10 | 2014-04-10 | Benzotrichloride separation and purification heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203803133U true CN203803133U (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171598.6U Expired - Fee Related CN203803133U (en) | 2014-04-10 | 2014-04-10 | Benzotrichloride separation and purification heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203803133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081778A (en) * | 2018-09-30 | 2018-12-25 | 宜都市友源实业有限公司 | A kind of acyl chlorides product production system and technique |
-
2014
- 2014-04-10 CN CN201420171598.6U patent/CN203803133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081778A (en) * | 2018-09-30 | 2018-12-25 | 宜都市友源实业有限公司 | A kind of acyl chlorides product production system and technique |
| CN109081778B (en) * | 2018-09-30 | 2023-10-27 | 宜都市友源实业有限公司 | System and process for producing acyl chloride product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20210410 |