CN209715107U - A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device - Google Patents
A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device Download PDFInfo
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- CN209715107U CN209715107U CN201920318550.6U CN201920318550U CN209715107U CN 209715107 U CN209715107 U CN 209715107U CN 201920318550 U CN201920318550 U CN 201920318550U CN 209715107 U CN209715107 U CN 209715107U
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- China
- Prior art keywords
- reaction kettle
- pipe
- nitro
- phthalic acid
- continuous production
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- 238000010924 continuous production Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000007792 addition Methods 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive Effects 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 22
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 238000004821 distillation Methods 0.000 abstract description 5
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 3
- QQVIHTHCMHWDBS-UHFFFAOYSA-N Isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000005712 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative Effects 0.000 description 2
- 238000004642 transportation engineering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N Potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a kind of 5- nitros -1,3- phthalic acid continuous production and isolated device, including the first reaction kettle, the second reaction kettle, feeding pipe, delivery pipe and discharge nozzle, first reaction kettle side is provided with the second reaction kettle, and one side surface of the second reaction kettle is connected by delivery pipe with the first reactor bottom, the first reaction kettle top surface side is provided with discharge nozzle.The utility model passes through motor, effectively agitating paddle can be driven to rotate, to accelerate the reaction speed of the raw material in two reaction kettles, pass through delivery pump, flowmeter and display screen, effectively the raw material after oxidation can be counted and be delivered in the second reaction kettle, in order to which quantitative nitric acid is added in user from Second addition pipe, pass through temperature sensor, heating plate and temperature controller, effectively raw material can be heated, so as to play the role of distillation, and then product is obtained, it is suitble to be widely popularized and used.
Description
Technical field
The utility model relates to a kind of continuous production and isolated device, in particular to a kind of 5- nitro -1,3- benzene two
Formic acid continuous production and isolated device.
Background technique
5- nitro -1,3- phthalic acid property: the product are the lobate crystallization of white.260-261 DEG C of fusing point.It is soluble in alcohol, ether
And hot water.
The preparation method of traditional 5- nitro -1,3- phthalic acid be by by M-phthalic acid (isophathalic acid) through fuming nitric aicd
It nitrifies and obtains, reaction pot is added in fuming nitric aicd, M-phthalic acid is added under stiring, temperature rising reflux 6h steams superfluous nitre
Acid, crystallisation by cooling, filtering, filter cake are washed with ice water, and gained crude product is recrystallized with water to get 5- nitro isophathalic acid, party's legal system
Standby process is more complicated, wastes a lot of manpower and material resources and the energy, is unfavorable for the production of enterprise.
Utility model content
The main purpose of the utility model is to provide a kind of 5- nitro -1,3- phthalic acid continuous production and separation
Device effectively can drive agitating paddle to rotate by motor, to accelerate the reaction speed of the raw material in two reaction kettles, lead to
Delivery pump, flowmeter and display screen are crossed, can effectively count the raw material after oxidation and is delivered in the second reaction kettle, in order to
Quantitative nitric acid is added in user from Second addition pipe, can be effective right by temperature sensor, heating plate and temperature controller
Raw material is heated, and so as to play the role of distillation, and then obtains product, can effectively be solved in background technique
Problem.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device, including the first reaction kettle, the second reaction
Kettle, feeding pipe, delivery pipe and discharge nozzle, first reaction kettle side are provided with the second reaction kettle, and the second reaction kettle side
Surface is connected by delivery pipe with the first reactor bottom, and the first reaction kettle top surface side is provided with discharge nozzle, institute
It states the first reaction kettle and the second reaction kettle top surface is fixedly installed motor, in first reaction kettle and the second reaction kettle
Chamber is provided with agitating paddle, and agitating paddle is connected by shaft with motor output end, and the first reaction kettle top surface is another
Side is provided with the first additive pipe, and described delivery pipe one end is serially connected with delivery pump, and the delivery pump top side is provided with flow
Meter, the second reaction kettle outer surface are fixedly installed display screen, and the second reaction kettle top surface side is provided with the
Two additive pipes, the second reaction kettle inner cavity top surface are fixedly installed temperature sensor, the second reaction kettle inner wall
Both side surface is fixedly installed heating plate, and the display screen side is provided with temperature controller.
Further, the second reaction kettle top surface other side is provided with escape pipe.
Further, the temperature controller top side is provided with switch.
Further, the feeding pipe, delivery pipe, discharge nozzle, the first additive pipe, Second addition pipe and escape pipe one
End concatenates electromagnetic valve.
Further, the motor, delivery pump, flowmeter, display screen, temperature controller and electromagnetic valve pass through conducting wire and open
Pass is electrical connected, and the temperature sensor and heating plate pass through conducting wire and be electrical connected with temperature controller.
Compared with prior art, the utility model has the following beneficial effects:
1. effectively can provide reaction vessel by the first reaction kettle and the second reaction kettle for raw materials for production, pass through pan feeding
Quantitative raw materials for production, can effectively be added in the first reaction kettle by pipe, and by the first additive pipe, can effectively by
The oxidant matched in right amount is added in the first reaction kettle, so as to carry out oxidation processes to the raw material in the first reaction kettle.
2. effectively agitating paddle can be driven to rotate by motor, to accelerate the oxidation speed of the raw material in the first reaction kettle
Degree can be effectively by the feedstock transportation after oxidation into the second reaction kettle by delivery pump, while flowmeter again can be to importing the
Raw material in two reaction kettles is counted, and then the data after statistics are sent in display screen, in order to which user is flexible
Quantitative nitric acid is added from Second addition pipe.
3. and motor and agitating paddle on the second reaction kettle, and the nitration reaction speed of raw material can be accelerated, pass through temperature
Sensor, can the temperature in the second reaction kettle of effective monitoring heating plate operation can effectively be controlled by temperature controller so that
Heating plate can heat the raw material in the second reaction kettle, so as to play the role of distillation, and then be produced
Product.
4. and escape pipe can export the nitric acid gas distilled out, in order to which the collection in later period recycles, improve again
Working efficiency has saved work complexity, by switch, can effectively control each equipment operation, can by electromagnetic valve
Effectively control the transport or export of each raw pipeline material.
Detailed description of the invention
Fig. 1 is the whole knot of a kind of 5- nitro -1,3- phthalic acid continuous production of the utility model and isolated device
Structure schematic diagram.
Fig. 2 is the reaction kettle of a kind of 5- nitro -1,3- phthalic acid continuous production of the utility model and isolated device
Schematic diagram of internal structure.
In figure: 1, the first reaction kettle；2, the second reaction kettle；3, feeding pipe；4, delivery pipe；5, discharge nozzle；6, motor；7, it stirs
Mix paddle；8, the first additive pipe；9, delivery pump；10, flowmeter；11, display screen；12, Second addition pipe；13, temperature sensing
Device；14, heating plate；15, temperature controller；16, escape pipe；17, it switchs；18, electromagnetic valve.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-2, a kind of 5- nitro -1,3- phthalic acid continuous production and isolated device, including first is anti-
Kettle 1, the second reaction kettle 2, feeding pipe 3, delivery pipe 4 and discharge nozzle 5 are answered, 1 side of the first reaction kettle is provided with the second reaction
Kettle 2, and 2 one side surface of the second reaction kettle is connected by delivery pipe 4 with 1 bottom of the first reaction kettle, 1 top of the first reaction kettle
Surface side is provided with discharge nozzle 5, and first reaction kettle 1 and 2 top surface of the second reaction kettle are fixedly installed motor 6,
First reaction kettle 1 and 2 inner cavity of the second reaction kettle are provided with agitating paddle 7, and agitating paddle 7 is exported by shaft and motor 6
End is connected, and the 1 top surface other side of the first reaction kettle is provided with the first additive pipe 8, and described 4 one end of delivery pipe is serially connected with
Delivery pump 9,9 top side of delivery pump are provided with flowmeter 10, and 2 outer surface of the second reaction kettle is fixedly installed aobvious
Display screen 11, the 2 top surface side of the second reaction kettle are provided with Second addition pipe 12,2 inner cavity of the second reaction kettle top
Portion surface is fixedly installed temperature sensor 13, and the 2 inner wall both side surface of the second reaction kettle is fixedly installed heating plate 14,
11 side of display screen is provided with temperature controller 15.
In the present embodiment as illustrated in fig. 1 and 2, by motor 6, agitating paddle 7 can effectively be driven to rotate, to accelerate two
The reaction speed of raw material in reaction kettle can be effectively by the original after oxidation by delivery pump 9, flowmeter 10 and display screen 11
Material is counted and is delivered in the second reaction kettle 2, in order to which quantitative nitric acid is added in user from Second addition pipe 12, is passed through
Temperature sensor 13, heating plate 14 and temperature controller 15, can effectively heat raw material, so as to play distillation
Effect, and then obtain product.
Wherein, the 2 top surface other side of the second reaction kettle is provided with escape pipe 16.
In the present embodiment as shown in Figure 1, by escape pipe 16, effectively the nitric acid gas distilled out can be exported.
Wherein, 15 top side of temperature controller is provided with switch 17.
In the present embodiment as shown in Figure 1, by switch 17, each equipment operation can be effectively controlled.
Wherein, the feeding pipe 3, delivery pipe 4, discharge nozzle 5, the first additive pipe 8, Second addition pipe 12 and escape pipe
16 one end concatenate electromagnetic valve 18.
As shown in Figure 1, can effectively control the transport of each raw pipeline material by electromagnetic valve 18 or lead in the present embodiment
Out.
Wherein, the motor 6, delivery pump 9, flowmeter 10, display screen 11, temperature controller 15 and electromagnetic valve 18 are by leading
Line is electrical connected with switch 17, and the temperature sensor 13 and heating plate 14 are electrical connected by conducting wire with temperature controller 15.
It should be noted that the utility model is a kind of 5- nitro -1,3- phthalic acid continuous production and isolated dress
It sets, when work, by the first reaction kettle 1 and the second reaction kettle 2, effectively reaction vessel can be provided for raw materials for production, by entering
Quantitative raw materials for production can be effectively added in the first reaction kettle 1 by expects pipe 3, and by the first additive pipe 8, can be had
The oxidant matched in right amount is added in the first reaction kettle 1 effect, so as to aoxidize to the raw material in the first reaction kettle 1
Processing can effectively drive agitating paddle 7 to rotate by motor 6, thus accelerate the oxidation rate of the raw material in the first reaction kettle 1,
, can be effectively by the feedstock transportation after oxidation into the second reaction kettle 2 by delivery pump 9, while flowmeter 10 again can be to importing
Raw material in second reaction kettle 2 is counted, and then the data after statistics are sent in display screen 11, in order to user's spirit
Quantitative nitric acid is added at slave Second addition pipe 12 living, and motor 6 and agitating paddle 7 on the second reaction kettle 2, and can add
The nitration reaction speed of fast raw material, by temperature sensor 13, can temperature in the second reaction kettle of effective monitoring 2, pass through temperature
Device 15 is controlled, the operation of heating plate 14 can be effectively controlled, heating plate 14 heats the raw material in the second reaction kettle 2
Processing, so as to play the role of distillation, and then obtains product, and escape pipe 16 again can lead the nitric acid gas distilled out
Out, it in order to which the collection in later period recycles, improves work efficiency, has saved work complexity, it, can be effective by switch 17
Control each equipment operation, by electromagnetic valve 18, can effectively control the transport or export of each raw pipeline material.
The utility model is a kind of 5- nitro -1,3- phthalic acid continuous production and isolated device, including first anti-
Answer kettle 1, the second reaction kettle 2, feeding pipe 3, delivery pipe 4, discharge nozzle 5, motor 6, agitating paddle 7, the first additive pipe 8, delivery pump
9, flowmeter 10, display screen 11, Second addition pipe 12, temperature sensor 13, heating plate 14, temperature controller 15, escape pipe 16, open
Close 17 and electromagnetic valve 18, component is universal standard part or component as known to those skilled in the art, and structure and principle are all
It can be learnt by technical manual for this technology personnel or be known by routine experiment method.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of 5- nitro -1,3- phthalic acid continuous production and isolated device, including the first reaction kettle (1), second are instead
Kettle (2), feeding pipe (3), delivery pipe (4) and discharge nozzle (5) are answered, the first reaction kettle (1) side is provided with the second reaction kettle
(2), and (2) one side surface of the second reaction kettle is connected by delivery pipe (4) with the first reaction kettle (1) bottom, first reaction
Kettle (1) top surface side is provided with discharge nozzle (5), it is characterised in that: first reaction kettle (1) and the second reaction kettle (2)
Top surface is fixedly installed motor (6), and first reaction kettle (1) and the second reaction kettle (2) inner cavity are provided with stirring
Paddle (7), and agitating paddle (7) is connected by shaft with motor (6) output end, the first reaction kettle (1) top surface other side
It is provided with the first additive pipe (8), described delivery pipe (4) one end is serially connected with delivery pump (9), delivery pump (9) top side
It is provided with flowmeter (10), the second reaction kettle (2) outer surface is fixedly installed display screen (11), second reaction kettle
(2) top surface side is provided with Second addition pipe (12), and the second reaction kettle (2) inner cavity top surface is fixedly installed
Temperature sensor (13), the second reaction kettle (2) inner wall both side surface are fixedly installed heating plate (14), the display screen
(11) side is provided with temperature controller (15).
2. a kind of 5- nitro -1,3- phthalic acid continuous production according to claim 1 and isolated device, feature
Be: the second reaction kettle (2) top surface other side is provided with escape pipe (16).
3. a kind of 5- nitro -1,3- phthalic acid continuous production according to claim 1 and isolated device, feature
Be: temperature controller (15) top side is provided with switch (17).
4. a kind of 5- nitro -1,3- phthalic acid continuous production according to claim 1 and isolated device, feature
It is: the feeding pipe (3), delivery pipe (4), discharge nozzle (5), the first additive pipe (8), Second addition pipe (12) and outlet
Pipe (16) one end concatenates electromagnetic valve (18).
5. a kind of 5- nitro -1,3- phthalic acid continuous production according to claim 1,2 or 4 and isolated device,
It is characterized by: the motor (6), delivery pump (9), flowmeter (10), display screen (11), temperature controller (15) and electromagnetic valve
(18) it is electrical connected by conducting wire and switch (17), the temperature sensor (13) and heating plate (14) pass through conducting wire and temperature
Control device (15) is electrical connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318550.6U CN209715107U (en) | 2019-03-13 | 2019-03-13 | A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318550.6U CN209715107U (en) | 2019-03-13 | 2019-03-13 | A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209715107U true CN209715107U (en) | 2019-12-03 |
Family
ID=68686541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318550.6U Active CN209715107U (en) | 2019-03-13 | 2019-03-13 | A kind of 5- nitro -1,3- phthalic acid continuous production and isolated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209715107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153803A (en) * | 2020-02-11 | 2020-05-15 | 浙江聚贤医药科技有限公司 | Method for synthesizing 5-nitroisophthalic acid |
| CN112588238A (en) * | 2020-12-18 | 2021-04-02 | 济宁峰润生物科技有限公司 | Production equipment and processing technology of high-purity high-viscosity sodium carboxymethylcellulose |
-
2019
- 2019-03-13 CN CN201920318550.6U patent/CN209715107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153803A (en) * | 2020-02-11 | 2020-05-15 | 浙江聚贤医药科技有限公司 | Method for synthesizing 5-nitroisophthalic acid |
| CN112588238A (en) * | 2020-12-18 | 2021-04-02 | 济宁峰润生物科技有限公司 | Production equipment and processing technology of high-purity high-viscosity sodium carboxymethylcellulose |
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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: A device for continuous production and separation of 5-nitro-1,3-benzoic acid Effective date of registration: 20220719 Granted publication date: 20191203 Pledgee: Yifeng caitou Financing Guarantee Co.,Ltd. Pledgor: JIANGXI DAYU PHARMACEUTICAL MATERIAL Co.,Ltd. Registration number: Y2022980010799 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |