CN208104263U - A kind of safe and efficient nitration reaction device of nitronaphthol production - Google Patents
A kind of safe and efficient nitration reaction device of nitronaphthol production Download PDFInfo
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- CN208104263U CN208104263U CN201820395113.XU CN201820395113U CN208104263U CN 208104263 U CN208104263 U CN 208104263U CN 201820395113 U CN201820395113 U CN 201820395113U CN 208104263 U CN208104263 U CN 208104263U
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- China
- Prior art keywords
- kettle
- quenched
- stirring motor
- nitrating pot
- nitronaphthol
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Abstract
The utility model provides a kind of nitronaphthol production safe and efficient nitration reaction device,It is related to organic reaction unit field,Including nitration mixture kettle,Dissolution kettle,Nitrating pot and kettle is quenched,Dissolution kettle is equipped with the first stirring motor,The output shaft of first stirring motor is fixedly connected with the first agitating paddle,Nitration mixture kettle is equipped with the second stirring motor,The output shaft of second stirring motor is fixedly connected with the second agitating paddle,The bottom of dissolution kettle is equipped with liquid outlet pipe,The bottom of nitration mixture kettle is equipped with branch pipe,Branch pipe is connected with liquid outlet pipe,Liquid outlet pipe is connected with nitrating pot,Nitrating pot is equipped with third stirring motor,The output shaft of third stirring motor is fixedly connected with third agitating paddle,Cooling sleeve is additionally provided on nitrating pot,The bottom of nitrating pot is equipped with discharge pipe,It can be to avoid hot-spot phenomenon in nitronaphthol production process,Reduce the generation of by-product.
Description
Technical field
The utility model relates to organic reaction device fields, and in particular to a kind of safe and efficient nitrification of nitronaphthol production
Reaction unit.
Background technique
Reaction kettle is to provide the device of reaction compartment and reaction condition in Chemical Manufacture for chemical reaction, anti-in order to improve
The efficiency answered usually increases agitating device in a kettle, accelerates material in reactor and is uniformly mixed, augmentation of heat transfer effect and phase
Between mass transfer, existing nitration reaction kettle, when in use, each material can only carry out mixed once, thus it is uneven to will appear mixing
The phenomenon that, and then will cause the phenomenon that local reaction overheats in reaction kettle, increase nitration reaction by-product.
Therefore, researching and developing one kind can be such that material is uniformly mixed, and avoid the hot-spot phenomenon of nitration reaction and reduce by-product
The nitration reaction kettle that object generates is necessary.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of safe and efficient nitration reaction of nitronaphthol production
Device can reduce the generation of by-product to avoid hot-spot phenomenon in nitronaphthol production process.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：
A kind of nitronaphthol produces safe and efficient nitration reaction device, including nitration mixture kettle, dissolution kettle, nitrating pot and is quenched
Kettle, the dissolution kettle are equipped with the first stirring motor, and the output shaft of first stirring motor is fixedly connected with the first agitating paddle,
The nitration mixture kettle is equipped with the second stirring motor, and the output shaft of second stirring motor is fixedly connected with the second agitating paddle, institute
The bottom for stating dissolution kettle is equipped with liquid outlet pipe, and the bottom of the nitration mixture kettle is equipped with branch pipe, the branch pipe and the liquid outlet pipe phase
Connection, the liquid outlet pipe are connected with the nitrating pot, and temperature-reducing coil is equipped in the liquid outlet pipe, the liquid outlet pipe
The internal left and right sides is staggeredly equipped with several unhurried current plates, and the nitrating pot is equipped with third stirring motor, the third stirring electricity
The output shaft of machine is fixedly connected with third agitating paddle, and cooling sleeve is additionally provided on the nitrating pot, and the bottom of the nitrating pot is set
There is discharge pipe, the nitrating pot is located at the top that kettle is quenched, and the nitrating pot is quenched by several struts with described
Kettle is fixedly connected, and the right side that kettle is quenched is equipped with the 4th stirring motor, and described be quenched in kettle is equipped with the 4th agitating paddle, and described the
The left and right ends of four agitating paddles and the kettle that is quenched are rotatablely connected, the output shaft of the 4th stirring motor and the 4th stirring
The right end of paddle is fixedly connected.
Further, the bottom that kettle is quenched is equipped with Drainage pipe.
Further, electromagnetism is equipped on the branch pipe, the liquid outlet pipe, the discharge pipe and the Drainage pipe
Valve.
Further, the bottom that kettle is quenched is equipped with temp probe.
Further, the right side that kettle is quenched is equipped with digital display thermometer, the digital display thermometer and the temp probe
It is electrically connected.
(3) beneficial effect
The utility model provides a kind of safe and efficient nitration reaction device of nitronaphthol production, has below beneficial to effect
Fruit：
For carrying out the mixing of nitric acid and sulfuric acid in nitration mixture kettle, solvent is used in dissolution kettle and dissolves naphthols, naphthol solution exists
It is contacted in liquid outlet pipe with nitration mixture and carries out mixed once, temperature-reducing coil can cool down to mixed liquor at this time, and liquid flows over
Constantly on the one hand collision unhurried current plate can reduce flow velocity in journey, on the other hand promote the mixing of liquid in collision process, finally
Mixed liquor, which enters, carries out digestion reaction in nitrating pot, due to the hybrid reaction by sufficiently premixing, pre-reaction, in nitrating pot
Temperature is not too high in the process, can reduce the generation of by-product to avoid hot-spot phenomenon in nitronaphthol production process, quench
It goes out and is previously charged into mixture of ice and water in kettle, after reaction solution is discharged into, stirring is quenched, and digital display thermometer can be shown constantly is quenched temperature
Degree, prevents from being quenched that temperature is excessively high, and the present apparatus is easy to operate, and design rationally, is appropriate for large-scale continuous production.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged diagram of A；
Figure label respectively represents：
1, nitration mixture kettle；2, the second stirring motor；3, the first stirring motor；4, dissolution kettle；5, the first agitating paddle；6, outlet tube
Road；7, nitrating pot；8, third agitating paddle；9, cool down sleeve；10, third stirring motor；11, branch pipe；12, the second agitating paddle；13,
Digital display thermometer；14, the 4th stirring motor；15, temp probe；16, the 4th agitating paddle；17, Drainage pipe；18, kettle is quenched；
19, flow slowly plate；20, temperature-reducing coil；21, discharge pipe；22, strut.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of safe and efficient nitration reaction device of nitronaphthol production, including nitration mixture kettle 1, dissolution kettle 4,7 and of nitrating pot
Kettle 18 is quenched, dissolution kettle 4 is equipped with the first stirring motor 3, the output shaft of the first stirring motor 3 and the fixed company of the first agitating paddle 5
It connects, nitration mixture kettle 1 is equipped with the second stirring motor 2, and the output shaft of the second stirring motor 2 is fixedly connected with the second agitating paddle 12, molten
The bottom for solving kettle 4 is equipped with liquid outlet pipe 6, and the bottom of nitration mixture kettle 1 is equipped with branch pipe 11, and branch pipe 11 is connected with liquid outlet pipe 6, out liquid
Pipeline 6 is connected with nitrating pot 7, and temperature-reducing coil 20 is equipped in liquid outlet pipe 6, is staggeredly set at left and right sides of the inside of liquid outlet pipe 6
There are several plates 19 that flow slowly, nitrating pot 7 is equipped with third stirring motor 10, and the output shaft and third of third stirring motor 10 stir
Paddle 8 is fixedly connected, and cooling sleeve 9 is additionally provided on nitrating pot 7, and the bottom of nitrating pot 7 is equipped with discharge pipe 21, and nitrating pot 7 is located at
It is quenched the top of kettle 18, nitrating pot 7 is fixedly connected by several struts 22 with kettle 18 is quenched, and the right side of kettle 18 is quenched equipped with the
Four stirring motors 14 are quenched in kettle 18 and are equipped with the 4th agitating paddle 16, and the left and right ends of the 4th agitating paddle 16 are rotated with kettle 18 is quenched
Connection, the output shaft of the 4th stirring motor 14 are fixedly connected with the right end of the 4th agitating paddle 16.
Wherein, the bottom that kettle 18 is quenched is equipped with Drainage pipe 17.
Wherein, electromagnetic valve is equipped on branch pipe 11, liquid outlet pipe 6, discharge pipe 21 and Drainage pipe 17.
Wherein, the bottom that kettle 18 is quenched is equipped with temp probe 15.
Wherein, the right side that kettle 18 is quenched is equipped with digital display thermometer 13, and digital display thermometer 13 and temp probe 15 are electrically connected.
One of specific embodiment of the utility model is：
For carrying out the mixing of nitric acid and sulfuric acid in nitration mixture kettle 1, solvent is used in dissolution kettle 4 and dissolves naphthols, naphthol solution
It is contacted in liquid outlet pipe 6 with nitration mixture and carries out mixed once, temperature-reducing coil 20 can cool down to mixed liquor at this time, liquid flow
Constantly collision unhurried current 19 one side of plate can reduce flow velocity during dynamic, on the other hand promote the mixed of liquid in collision process
It closes, last mixed liquor, which enters, carries out digestion reaction in nitrating pot 7, anti-in nitrating pot 7 due to passing through premixing, pre-reaction
Temperature is not too high during answering, and is quenched in kettle 18 and is previously charged into mixture of ice and water, and after reaction solution is discharged into, stirring is quenched, digital display
Thermometer 13 can be shown constantly is quenched temperature, prevents temperature excessively high.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that：It still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of nitronaphthol produces safe and efficient nitration reaction device, which is characterized in that including nitration mixture kettle (1), dissolution kettle
(4), it nitrating pot (7) and is quenched kettle (18), the dissolution kettle (4) is equipped with the first stirring motor (3), first stirring motor
(3) output shaft is fixedly connected with the first agitating paddle (5), and the nitration mixture kettle (1) is equipped with the second stirring motor (2), and described the
The output shaft of two stirring motors (2) is fixedly connected with the second agitating paddle (12), and the bottom of the dissolution kettle (4) is equipped with liquid outlet pipe
(6), the bottom of the nitration mixture kettle (1) is equipped with branch pipe (11), and the branch pipe (11) is connected with the liquid outlet pipe (6), described
Liquid outlet pipe (6) is connected with the nitrating pot (7), is equipped with temperature-reducing coil (20) in the liquid outlet pipe (6), the outlet tube
Several unhurried currents plate (19) are staggeredly equipped at left and right sides of the inside in road (6), the nitrating pot (7) is equipped with third stirring motor
(10), the output shaft of the third stirring motor (10) is fixedly connected with third agitating paddle (8), is also set on the nitrating pot (7)
Have cooling sleeve (9), the bottom of the nitrating pot (7) is equipped with discharge pipe (21), and kettle is quenched positioned at described in the nitrating pot (7)
(18) top, the nitrating pot (7) is fixedly connected by several struts (22) with the kettle (18) that is quenched, described that kettle is quenched
(18) right side is equipped with the 4th stirring motor (14), and described be quenched in kettle (18) is equipped with the 4th agitating paddle (16), and the described 4th stirs
Mix paddle (16) left and right ends and it is described be quenched kettle (18) rotation connection, the output shaft of the 4th stirring motor (14) with it is described
The right end of 4th agitating paddle (16) is fixedly connected.
2. nitronaphthol as described in claim 1 produces safe and efficient nitration reaction device, which is characterized in that described to be quenched
The bottom of kettle (18) is equipped with Drainage pipe (17).
3. nitronaphthol as claimed in claim 2 produces safe and efficient nitration reaction device, which is characterized in that the branch pipe
(11), electromagnetic valve is equipped on the liquid outlet pipe (6), the discharge pipe (21) and the Drainage pipe (17).
4. nitronaphthol as described in claim 1 produces safe and efficient nitration reaction device, which is characterized in that described to be quenched
The bottom of kettle (18) is equipped with temp probe (15).
5. nitronaphthol as claimed in claim 4 produces safe and efficient nitration reaction device, which is characterized in that described to be quenched
The right side of kettle (18) is equipped with digital display thermometer (13), and the digital display thermometer (13) and the temp probe (15) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395113.XU CN208104263U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and efficient nitration reaction device of nitronaphthol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395113.XU CN208104263U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and efficient nitration reaction device of nitronaphthol production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208104263U true CN208104263U (en) | 2018-11-16 |
Family
ID=64122187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820395113.XU Expired - Fee Related CN208104263U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and efficient nitration reaction device of nitronaphthol production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208104263U (en) |
-
2018
- 2018-03-22 CN CN201820395113.XU patent/CN208104263U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20190322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |