CN209276338U - Six nitration reaction acid mother liquid recycle devices - Google Patents
Six nitration reaction acid mother liquid recycle devices Download PDFInfo
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- CN209276338U CN209276338U CN201822141846.3U CN201822141846U CN209276338U CN 209276338 U CN209276338 U CN 209276338U CN 201822141846 U CN201822141846 U CN 201822141846U CN 209276338 U CN209276338 U CN 209276338U
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- hydrolysis acidification
- filter press
- pipeline
- nitrification
- mother liquor
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Abstract
The utility model relates to a kind of six nitration reaction acid mother liquid recycle devices, including six nitration reaction kettles, its lower end is correspondingly connected with by pipeline and six nitrification filter presses, be equipped with the first filter pressing pump between six nitration reaction kettles and six nitrification filter presses, the six nitrification mother liquor outlets of filter presses, wastewater outlet, solid matter outlet respectively with six nitrification disposing mother liquor slots, six nitration waste water collecting tanks, hydrolysis acidification reaction kettle is corresponding is connected to；Hydrolysis acidification reaction kettle upper end is connected to acid mother liquid measuring tank and liquid alkaline measuring tank, lower end is connect with hydrolysis acidification filter press, be equipped with the second filter pressing pump between hydrolysis acidification reaction kettle and hydrolysis acidification filter press, the mother liquor outlet of hydrolysis acidification filter press, wastewater outlet, solid matter outlet respectively with disposing mother liquor slot, hydrolysis acidification waste water collection tank, hydrolysis acidification solid material collecting tank is corresponding is connected to.The acid mother liquid that the utility model is collected can be used as next step hydrolysis acidification reaction raw material, reduce production cost, improve enterprise competitiveness.
Description
Technical field
The utility model relates to one of the production process of anthraquinone dye and its intermediate processing techniques, specifically,
It is to be related to a kind of six nitration reaction acid mother liquid recycle devices.
Background technique
In fine chemistry industry especially in the production of anthraquinone dye and its intermediate, generally requires progress multistep reaction and obtain
Product, many reactions (such as six nitration reaction of Disperse Blue-56, hydrolysis acidification are reacted) require a large amount of acid as original
Material, six nitration reactions complete the material to be formed, and after diluting, filtering, form six itrated compounds and acid waste water.At present to acidity
The method that the processing of waste water generallys use are as follows: acid waste water is discharged into waste water treatment system with alkali to neutralize, then through biochemical treatment
Discharge after up to standard.Its major defect of this method is: the acid concentration due to needing the amount of acid larger in raw material, in waste water
It is higher, it is therefore desirable to which that a large amount of alkali neutralizes, and not only wastewater treatment capacity is big, increases the production cost of enterprise, reduces simultaneously
The production efficiency of enterprise.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, and it is anti-to provide six nitrification of one kind
Answer acid mother liquid recycle device.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model are as follows:
A kind of six nitration reaction acid mother liquid recycle devices, including six nitration reaction kettles, the six nitration reactions kettle
Lower end by pipeline and six nitrification filter presses be correspondingly connected with, the six nitration reactions kettle and six nitrification filter presses between pipe
The first filter pressing pump is correspondingly provided on road, the mother liquor outlet of the six nitrifications filter press and six nitrification disposing mother liquor slots pass through pipeline pair
It should be connected to, the wastewater outlet connection corresponding with six nitration waste water collecting tanks of the six nitrifications filter press, the six nitrifications filter press
Solid matter outlet by lower channel it is corresponding with hydrolysis acidification reaction kettle be connected to；The upper end of the hydrolysis acidification reaction kettle with
Acid mother liquid measuring tank is connected to liquid alkaline measuring tank, and the lower end of the hydrolysis acidification reaction kettle passes through pipeline and hydrolysis acidification filters pressing
Machine is correspondingly connected with, and is correspondingly provided with the second filters pressing on the pipeline between the hydrolysis acidification reaction kettle and hydrolysis acidification filter press
The mother liquor outlet of pump, the hydrolysis acidification filter press is connected to disposing mother liquor slot by the way that pipeline is corresponding；The hydrolysis acidification filters pressing
The connection corresponding with hydrolysis acidification waste water collection tank of the wastewater outlet of machine, the solid matter outlet and water of the hydrolysis acidification filter press
Solve the corresponding connection of acidified solid material collection slot.
The six nitrifications disposing mother liquor slot is connected to acid mother liquid measuring tank by pipeline, and recycling is correspondingly provided on pipeline
It pumps, is correspondingly provided with accurate filter on the pipeline between the six nitrification disposing mother liquor slot and recovery pump.
The utility model has the beneficial effects that:
1. the utility model six nitration reaction acid mother liquid recycle devices of one kind, the acid mother liquid of collection can be used as
Next step hydrolysis acidification reaction raw materials, change harmful to treasure, and reduce production cost, improve enterprise competitiveness, remarkable in economical benefits.
2. recycle sulfuric acid, solves one of main the difficult problem of environmental protection of chemical company, extra spent acid is because can not be after
Continue and uses and need to discharge after processing is up to standard.This not only lowers the energy and material consumptions for producing the product, and mitigate " three
It is useless " processing pressure, while also complying with current energy-saving and emission-reduction requirement.
Detailed description of the invention
Fig. 1 is the structure diagram of the utility model.
In figure, 1 is six nitration reaction kettles, and 2 be the first filter pressing pump, and 3 be six nitrification filter presses, and 4 return for six nitrification mother liquors
Slot is received, 5 be six nitration waste water collecting tanks, and 6 be accurate filter, and 7 be recovery pump, and 8 be acid mother liquid measuring tank, and 9 be liquid alkaline meter
Measuring tank, 10 be hydrolysis acidification reaction kettle, and 11 be the second filter pressing pump, and 12 be hydrolysis acidification filter press, and 13 return for hydrolysis acidification mother liquor
Slot is received, 14 be hydrolysis acidification waste water collection tank, and 15 be hydrolysis acidification solid material collecting tank.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
Embodiment: referring to Fig. 1.
The utility model discloses a kind of six nitration reaction acid mother liquid recycle devices, including six nitration reaction kettles 1,
The lower end of the six nitration reactions kettle 1 is correspondingly connected with by pipeline and six nitrification filter presses 3, in the six nitration reactions kettle 1 and
The first filter pressing pump 2, the mother liquor outlet and six of the six nitrifications filter press 3 are correspondingly provided on pipeline between six nitrification filter presses 3
It nitrifies disposing mother liquor slot 4 to be connected to by the way that pipeline is corresponding, the wastewater outlet and six nitration waste water collecting tanks of the six nitrifications filter press 3
The solid matter outlet of 5 corresponding connections, the six nitrifications filter press 3 connects by the way that lower channel is corresponding with hydrolysis acidification reaction kettle 10
It is logical；The upper end of the hydrolysis acidification reaction kettle 10 is connected to acid mother liquid measuring tank 8 and liquid alkaline measuring tank 9, acid mother liquid metering
Equipped with six nitrification mother liquors in tank 8, six nitrify the sulfuric acid and minute quantity anthraquinone derivative in mother liquors containing 20% or so, liquid alkaline meter
What is filled in measuring tank 9 is liquid alkaline, and the lower end of the hydrolysis acidification reaction kettle 10 connects by the way that pipeline is corresponding with hydrolysis acidification filter press 12
It connects, the second filter pressing pump 11 is correspondingly provided on the pipeline between the hydrolysis acidification reaction kettle 10 and hydrolysis acidification filter press 12,
The mother liquor outlet of the hydrolysis acidification filter press 12 is connected to disposing mother liquor slot 13 by the way that pipeline is corresponding；The hydrolysis acidification filters pressing
The connection corresponding with hydrolysis acidification waste water collection tank 14 of the wastewater outlet of machine 12, the solid material of the hydrolysis acidification filter press 12 go out
Mouth connection corresponding with hydrolysis acidification solid material collecting tank 15.
The six nitrifications disposing mother liquor slot 4 is connected to acid mother liquid measuring tank 8 by pipeline, is correspondingly provided with back on pipeline
Pump 7 is received, is correspondingly provided with accurate filter 6 on the pipeline between the six nitrification disposing mother liquor slot 4 and recovery pump 7.
Accurate filter can be specific to tie with waste water purification devices such as resin filtering, reverse osmosis units in actual use
Structure and principle are well-known technique, and details are not described herein.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technical field,
It is also included in the patent protection scope of the utility model.
Claims (2)
1. a kind of six nitration reaction acid mother liquid recycle devices, including six nitration reaction kettles (1), it is characterised in that: described
The lower end of six nitration reaction kettles (1) is correspondingly connected with by pipeline and six nitrifications filter press (3), in the six nitration reactions kettle (1)
It is correspondingly provided with the first filter pressing pump (2) on pipeline between six nitrifications filter press (3), the mother liquor of six nitrification filter press (3)
Outlet is connected to six nitrifications disposing mother liquor slot (4) by the way that pipeline is corresponding, the wastewater outlet and six nitre of six nitrification filter press (3)
Change waste water collection tank (5) corresponding connection, the solid matter outlet of six nitrification filter press (3) passes through lower channel and hydrolysis acid
Change reaction kettle (10) corresponding connection；The upper end of the hydrolysis acidification reaction kettle (10) and acid mother liquid measuring tank (8) and liquid alkaline meter
The lower end of measuring tank (9) connection, the hydrolysis acidification reaction kettle (10) is correspondingly connected with by pipeline with hydrolysis acidification filter press (12),
The second filter pressing pump is correspondingly provided on pipeline between the hydrolysis acidification reaction kettle (10) and hydrolysis acidification filter press (12)
(11), the mother liquor outlet of the hydrolysis acidification filter press (12) is connected to disposing mother liquor slot (13) by the way that pipeline is corresponding；The water
The connection corresponding with hydrolysis acidification waste water collection tank (14) of the wastewater outlet of solution acidification filter press (12), the hydrolysis acidification filter press
(12) connection corresponding with hydrolysis acidification solid material collecting tank (15) of solid matter outlet.
2. a kind of six nitration reactions acid mother liquid recycle device according to claim 1, it is characterised in that: described six
Nitrification disposing mother liquor slot (4) is connected to acid mother liquid measuring tank (8) by pipeline, and recovery pump (7) are correspondingly provided on pipeline,
Accurate filter (6) are correspondingly provided on pipeline between six nitrification disposing mother liquor slot (4) and recovery pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141846.3U CN209276338U (en) | 2018-12-20 | 2018-12-20 | Six nitration reaction acid mother liquid recycle devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141846.3U CN209276338U (en) | 2018-12-20 | 2018-12-20 | Six nitration reaction acid mother liquid recycle devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209276338U true CN209276338U (en) | 2019-08-20 |
Family
ID=67612036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822141846.3U Active CN209276338U (en) | 2018-12-20 | 2018-12-20 | Six nitration reaction acid mother liquid recycle devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209276338U (en) |
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2018
- 2018-12-20 CN CN201822141846.3U patent/CN209276338U/en active Active
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