CN206188688U - Benzene series thing nitrifies recycling processed system of spent acid - Google Patents
Benzene series thing nitrifies recycling processed system of spent acid Download PDFInfo
- Publication number
- CN206188688U CN206188688U CN201621228991.XU CN201621228991U CN206188688U CN 206188688 U CN206188688 U CN 206188688U CN 201621228991 U CN201621228991 U CN 201621228991U CN 206188688 U CN206188688 U CN 206188688U
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- China
- Prior art keywords
- benzene
- extractor
- spent acid
- nitrating
- inclined plate
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses a benzene series thing nitrifies recycling processed system of spent acid, including nitrating pot, extraction jar, inclined plate separator, waste acid recycling ware and sour benzene recoverer, the measuring pump is wherein installed through conveyer pipe and extraction jar inside communicating with each other to the spent acid export of nitrating pot on the conveyer pipe, all install agitating unit in nitrating pot and the extraction jar, the utility model discloses a measuring pump is carried in certain spent acid gets into extraction jar, and then adds an amount of benzene, and this moment is through the agitating unit stirring of extraction jar to realizing the extraction, then static, realizing through the inclined plate separator that sour benzene is retrieved and the spent acid separation, the form through the extraction realizes the reenrichment to the spent acid, thereby reduces the waste of spent acid.
Description
Technical field
The utility model is related to chemical industry equipment, specifically a kind of recovery and processing system of benzene homologues nitrating wasting acid.
Background technology
3- methyl -2- nitrobenzoic acids be synthesis the 2- amino chloro- N of -5-, the raw material of 3- dimethyl benzamides, agricultural chemicals,
Medical market is widely used.
In actual production process, the product purity produced is low, and utilization rate of raw materials is very low for existing production equipment,
Substantial amounts of spent acid is generated simultaneously, substantial amounts of waste has been thus resulted in.
Utility model content
The purpose of this utility model is to provide a kind of recovery and processing system of benzene homologues nitrating wasting acid, to solve the above-mentioned back of the body
The problem proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of recovery and processing system of benzene homologues nitrating wasting acid, including nitrating pot, extractor, inclined plate separator, spent acid are returned
Device and sour benzene recover are received, the spent acid outlet of nitrating pot is communicated with inside extractor by delivery pipe, pacified wherein in delivery pipe
Equipped with measuring pump；Agitating device is mounted in the nitrating pot and extractor, agitating device is mainly by stirring motor, agitating shaft
And puddler is constituted, wherein puddler is fixed on the bottom of agitating shaft, and the motor shaft of stirring motor is fixed by shaft coupling and connected
Connect agitating shaft；It is provided with extractor at benzene addition mouth, and benzene addition mouth and weighing hopper is installed, is conveyed by measuring pump certain
Spent acid enters in extractor, then adds a certain amount of benzene, is now stirred by the agitating device of extractor, so as to realize extraction
Take, it is then static；Extractor connects inclined plate separator by pipeline, and inclined plate separator is provided with two outlets, and inclined plate separator
Two outlets waste acidity recovery device and acid benzene recover are connected by pipeline respectively, wherein being mounted on valve on described pipeline
Door, realizes concentrating again to spent acid, so as to reduce the waste of spent acid by the form for extracting.
As further program of the utility model：Cooling jacket is installed on the outer wall of the nitrating pot.
As the utility model further scheme：It is provided with pipeline between the extractor and inclined plate separator
Metering valve.
Compared with prior art, the beneficial effects of the utility model are：The utility model is conveyed certain by measuring pump
Spent acid enters in extractor, then adds a certain amount of benzene, is now stirred by the agitating device of extractor, so as to realize extraction
Take, it is then static, realize that sour benzene is reclaimed and spent acid is separated by inclined plate separator, realized to spent acid by the form for extracting
Concentrate again, so as to reduce the waste of spent acid.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the recovery and processing system of benzene homologues nitrating wasting acid of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, in the utility model embodiment, a kind of recovery and processing system of benzene homologues nitrating wasting acid, including nitre
Change tank 1, extractor 2, inclined plate separator 3, waste acidity recovery device 4 and sour benzene recover 5, the spent acid outlet of nitrating pot 1 is by defeated
Send pipe 7 to be communicated with inside extractor 2, measuring pump wherein is installed in delivery pipe 7；It is respectively mounted in the nitrating pot 1 and extractor 2
There is agitating device, agitating device is mainly made up of stirring motor 9, agitating shaft 12 and puddler 10, and wherein puddler 10 is fixed
In the bottom of agitating shaft 12, the motor shaft of stirring motor 9 is fixedly connected agitating shaft 12 by shaft coupling；It is provided with extractor 2
Benzene to be added and be provided with weighing hopper at mouth, and benzene addition mouth, and conveying certain spent acid by measuring pump enters in extractor 2, then
A certain amount of benzene is added, is now stirred by the agitating device of extractor 2, so that extraction is realized, it is then static；Extractor 2
Inclined plate separator 3 is connected by pipeline, inclined plate separator 3 is provided with two outlets, and two outlets of inclined plate separator 3 pass through pipe
Road connects waste acidity recovery device 4 and sour benzene recover 5 respectively, wherein valve 8 is mounted on described pipeline, by what is extracted
Form realizes concentrating again to spent acid, so as to reduce the waste of spent acid, and acid is stupid can realize nitrifying utilization again.
Cooling jacket 11 is installed on the outer wall of the nitrating pot 1.
Metering valve 6 is installed on the pipeline between the extractor 2 and inclined plate separator 3.
Operation principle of the present utility model is：Certain spent acid is conveyed by measuring pump to enter in extractor 2, then add again
Enter a certain amount of benzene, now stirred by the agitating device of extractor 2, so that extraction is realized, it is then static, separated by swash plate
Device 3 realizes that sour benzene is reclaimed and spent acid is separated, and concentrating again to spent acid is realized by the form for extracting, so as to reduce the wave of spent acid
Take.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (3)
1. a kind of recovery and processing system of benzene homologues nitrating wasting acid, it is characterised in that separated including nitrating pot, extractor, swash plate
Device, waste acidity recovery device and sour benzene recover, the spent acid outlet of nitrating pot are communicated by delivery pipe with inside extractor, wherein defeated
Send and measuring pump is installed on pipe；Agitating device is mounted in the nitrating pot and extractor, agitating device is mainly by stirring electricity
Machine, agitating shaft and puddler are constituted, and wherein puddler is fixed on the bottom of agitating shaft, and the motor shaft of stirring motor passes through shaft coupling
Device is fixedly connected agitating shaft；It is provided with extractor at benzene addition mouth, and benzene addition mouth and weighing hopper is installed；Extractor is by pipe
Road connects inclined plate separator, and inclined plate separator is provided with two outlets, and two outlets of inclined plate separator are connected respectively by pipeline
Waste acidity recovery device and sour benzene recover are connect, wherein being mounted on valve on described pipeline.
2. the recovery and processing system of benzene homologues nitrating wasting acid according to claim 1, it is characterised in that the nitrating pot
Cooling jacket is installed on outer wall.
3. the recovery and processing system of benzene homologues nitrating wasting acid according to claim 1, it is characterised in that the extractor with
Metering valve is installed on pipeline between inclined plate separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228991.XU CN206188688U (en) | 2016-11-16 | 2016-11-16 | Benzene series thing nitrifies recycling processed system of spent acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228991.XU CN206188688U (en) | 2016-11-16 | 2016-11-16 | Benzene series thing nitrifies recycling processed system of spent acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206188688U true CN206188688U (en) | 2017-05-24 |
Family
ID=58726508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621228991.XU Expired - Fee Related CN206188688U (en) | 2016-11-16 | 2016-11-16 | Benzene series thing nitrifies recycling processed system of spent acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206188688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796343A (en) * | 2018-12-28 | 2019-05-24 | 阜宁县安勤化学有限公司 | A kind of ethyl benzene mixed acid nitrification Waste Sulfuric Acid circulation utilization method |
| CN110156605A (en) * | 2019-05-05 | 2019-08-23 | 南京师范大学 | A kind of method of resource for the spent acid by-product that ethylbenzene nitration reaction generates |
-
2016
- 2016-11-16 CN CN201621228991.XU patent/CN206188688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796343A (en) * | 2018-12-28 | 2019-05-24 | 阜宁县安勤化学有限公司 | A kind of ethyl benzene mixed acid nitrification Waste Sulfuric Acid circulation utilization method |
| CN110156605A (en) * | 2019-05-05 | 2019-08-23 | 南京师范大学 | A kind of method of resource for the spent acid by-product that ethylbenzene nitration reaction generates |
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Legal Events
| 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: 20170524 Termination date: 20181116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |