CN213467761U - Nitration layering and distillation desolventizing system - Google Patents
Nitration layering and distillation desolventizing system Download PDFInfo
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- CN213467761U CN213467761U CN202022382499.0U CN202022382499U CN213467761U CN 213467761 U CN213467761 U CN 213467761U CN 202022382499 U CN202022382499 U CN 202022382499U CN 213467761 U CN213467761 U CN 213467761U
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Abstract
The utility model discloses a nitration layering and distillation desolventizing system, including nitration cauldron, secondary layering water collecting vat and distillation desolventizing cauldron, nitration cauldron and distillation desolventizing cauldron set up side by side, the nitration cauldron outside is provided with secondary layering water collecting vat, a lateral wall of secondary layering water collecting vat is fixed with useless nitric acid collecting vat, distillation desolventizing cauldron lateral surface is provided with first connecting pipe, first connecting pipe one end is fixed with the distributive pipe, distributive pipe one end is through first branch pipe and secondary layering water collecting vat intercommunication; through being provided with secondary layering water metering tank, third communicating pipe, water pump and secondary layering water collecting vat, be convenient for avoid need to the inboard layering of adding water of nitration cauldron, be convenient for make water cyclic utilization, save the water resource, install simple structure, very big reduction water cost.
Description
Technical Field
The utility model belongs to the technical field of the distillation desolventizing, concretely relates to nitration layering and distillation desolventizing system.
Background
When the nitrified material is layered in an oil machine and a water machine (waste nitric acid), the nitrified material of the oil machine is layered in a distillation desolventizing kettle, dichloromethane is recovered, the water machine is discharged into a waste nitric acid collecting tank, a small amount of waste machine enters the distillation desolventizing kettle in the waste material layering process, partial bottom water and a certain amount of anhydrous sodium sulfite are bound in the distillation desolventizing kettle, and the purpose of the anhydrous sodium sulfite is to adjust the distillation desolventizing kettle to keep the material neutral.
The existing nitrification layering and distillation desolventizing system is inconvenient to collect and recycle secondary layering water in the using process, so that water flows to the outside to pollute the outside, the water cost is greatly improved, the using effect is poor, and the nitrification layering and distillation desolventizing system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nitrify layering and distillation desolventizing system to propose current nitrify layering and distillation desolventizing system in solving above-mentioned background art in the use, be not convenient for collect the secondary layering water and recycle, lead to the water liquid flow direction outside, cause the pollution to outside, simultaneously also very big improvement the water cost, problem that the result of use is not good.
In order to achieve the above object, the utility model provides a following technical scheme: a nitration layering and distillation desolventizing system comprises a nitration kettle, a secondary layering water collecting tank and a distillation desolventizing kettle, wherein the nitration kettle and the distillation desolventizing kettle are arranged side by side, the secondary layering water collecting tank is arranged on the outer side of the nitration kettle, a waste nitric acid collecting tank is fixed on one side wall of the secondary layering water collecting tank, a first communicating pipe is arranged on one side surface of the distillation desolventizing kettle, a water dividing pipe is fixed at one end of the first communicating pipe, one end of the water dividing pipe is communicated with the secondary layering water collecting tank through a first branch pipe, the other end of the water dividing pipe is communicated with the waste nitric acid collecting tank internally, a water pump is fixed on one side wall of the secondary layering water collecting tank through a supporting plate, a second communicating pipe is arranged on one side wall of the water pump, a secondary layering water metering tank is arranged at the top end of the nitration kettle, the second communicating pipe is communicated with the interior of, the secondary layering water metering tank and the nitration kettle are communicated with each other through a third communicating pipe, and the front surface of the distillation desolventizing kettle is provided with a maintenance mechanism.
Preferably, the maintenance mechanism comprises a maintenance manhole, a sealing plate and a transparent glass plate, the front surface of the distillation desolventizing kettle is provided with a maintenance hole, the inner side of the maintenance hole is fixed with the sealing plate through a bolt, and the inner surface of the sealing plate is fixed with the transparent glass plate.
Preferably, a rubber pad is fixed on the sealing plate, and the rubber pad is annular.
Preferably, a filter is arranged on one side of the distillation desolventizing kettle, and the filter is communicated with the distillation desolventizing kettle through a fourth pipeline.
Preferably, the outside cover of first connecting pipe is equipped with the control valve, the control valve is provided with a plurality ofly.
Preferably, the number of the water pumps is three, and the lower surfaces of the water pumps are provided with wear-resistant steel plates.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through being provided with secondary layering water metering tank, third communicating pipe, water pump and secondary layering water collecting vat, be convenient for avoid need to the inboard layering of adding water of nitration cauldron, be convenient for make water cyclic utilization, save the water resource, simple structure, very big reduction water cost, reducible water pollution simultaneously.
(2) Through being provided with maintenance manhole, closing plate and clear glass board, be convenient for avoid maintaining inconveniently to distillation desolventizing cauldron inboard, cause follow-up clearance effect poor, through dismantling the closing plate, be convenient for maintain the distillation desolventizing cauldron inboard, be convenient for increase the practicality of device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sealing plate structure of the present invention;
in the figure: 1. a nitration kettle; 2. a secondary stratified water metering tank; 3. distilling and desolventizing the mixture; 4. a filter; 5. a waste nitric acid collecting tank; 6. a secondary stratified water collecting tank; 7. a water pump; 8. a first communication pipe; 9. a second communicating pipe; 10. a third communicating pipe; 11. a maintenance manhole; 12. a sealing plate; 13. a transparent glass plate; 14. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a nitration stratification and distillation desolventizing system comprises a nitration kettle 1, a secondary stratified water collecting tank 6 and a distillation desolventizing kettle 3, wherein the nitration kettle 1 and the distillation desolventizing kettle 3 are arranged side by side, the outer side of the nitration kettle 1 is provided with the secondary stratified water collecting tank 6, one side wall of the secondary stratified water collecting tank 6 is fixed with a waste nitric acid collecting tank 5, one side surface of the distillation desolventizing kettle 3 is provided with a first communicating pipe 8 for facilitating the collection of distilled water liquid, one end of the first communicating pipe 8 is fixed with a water dividing pipe, one end of the water dividing pipe is communicated with the secondary stratified water collecting tank 6 through a first branch pipe, the other end of the water dividing pipe is communicated with the waste nitric acid collecting tank 5, one side wall of the secondary stratified water collecting tank 6 is fixed with a water pump collecting tank 7 through a support plate for facilitating the water liquid to be conveyed to the inner side of a secondary stratified water metering, the second communicating pipe 9 communicates with the inside of the secondary layering water metering tank 2, is convenient for measure water liquid, and 2 side surface lower extremes of secondary layering water metering tank are provided with the third communicating pipe 10, and the secondary layering water metering tank 2 communicates with the interior of nitration cauldron 1 through the third communicating pipe 10, is convenient for make water liquid retrieve and recycle, reduces the water cost, and 3 front surfaces of distillation desolventizing cauldron are provided with the maintenance mechanism.
In this embodiment, preferably, the maintenance mechanism includes a maintenance manhole 11, a sealing plate 12 and a transparent glass plate 13, the maintenance hole is formed in the front surface of the distillation desolventizing kettle 3, the sealing plate 12 is fixed to the inner side of the maintenance hole through a bolt, and the transparent glass plate 13 is fixed to the inner surface of the sealing plate 12, so that the maintenance and cleaning of the inner side of the distillation desolventizing kettle 3 are facilitated.
In this embodiment, preferably, a rubber pad 14 is fixed on the sealing plate 12, and the rubber pad 14 is annular, so as to improve the sealing effect of the sealing plate 12 and the maintenance manhole 11.
In this embodiment, preferably, a filter 4 is arranged on one side of the desolventizing still 3, and the filter 4 and the desolventizing still 3 are communicated with each other through a fourth pipeline, so as to be convenient for filtering and collecting.
In this embodiment, preferably, a plurality of control valves are provided outside the first communication pipe 8, so as to control the flow of the liquid inside the first communication pipe 8.
In this embodiment, it is preferred that water pump 7 is provided with three, is convenient for carry liquid, and water pump 7 lower surface is provided with wear-resisting steel sheet.
The utility model discloses a theory of operation and use flow: when in use, in the process of layering a nitration material oil machine and a water phase, firstly adding a certain amount of tap water into a distillation desolventizing kettle 3 without adding anhydrous sodium sulfite, then adding a batch of nitrated substance into the distillation desolventizing kettle 3, then putting the raw material into a nitration kettle 1, layering again, pumping the secondary nitration layered water into a secondary layered water metering tank 2, when the nitration and water layering is needed next time, adding the upper layered water into the inner side of the nitration kettle 1, entering the next layering, layering the nitrated substance by secondary water addition, not using the anhydrous sodium sulfite in the distillation desolventizing kettle 3, layering the secondary layered water in the nitration kettle 1, reducing water resource waste, saving cost, reducing water pollution, increasing use effect, fixing a sealing plate 12 and a maintenance manhole 11 by bolts, facilitating the disassembly of the sealing plate 12, further facilitating manual cleaning and maintenance of the inner side of the distillation desolventizing kettle 3, the maintenance effect is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a nitrify layering and distillation desolventizing system, includes nitrify cauldron (1), secondary layering water collecting vat (6) and distillation desolventizing cauldron (3), nitrify cauldron (1) and set up side by side with distillation desolventizing cauldron (3), nitrify cauldron (1) outside and be provided with secondary layering water collecting vat (6), its characterized in that: a waste nitric acid collecting tank (5) is fixed on one side wall of the secondary layered water collecting tank (6), a first communicating pipe (8) is arranged on one side surface of the distillation desolventizing kettle (3), a water dividing pipe is fixed at one end of the first communicating pipe (8), one end of the water dividing pipe is communicated with the secondary layered water collecting tank (6) through a first branch pipe, the other end of the water dividing pipe is communicated with the waste nitric acid collecting tank (5) internally, a water pump (7) is fixed on one side wall of the secondary layered water collecting tank (6) through a supporting plate, a second communicating pipe (9) is arranged on one side wall of the water pump (7), a secondary layered water metering tank (2) is arranged at the top end of the nitration kettle (1), the second communicating pipe (9) is communicated with the secondary layered water metering tank (2) internally, and a third communicating pipe (10) is arranged at the lower end of one side surface of, the secondary layering water metering tank (2) and the nitration kettle (1) are communicated with each other through a third communicating pipe (10), and a maintenance mechanism is arranged on the front surface of the distillation desolventizing kettle (3).
2. The nitration stratification and distillation desolventizing system according to claim 1, wherein: the maintenance mechanism comprises a maintenance manhole (11), a sealing plate (12) and a transparent glass plate (13), a maintenance hole is formed in the front surface of the distillation desolventizing kettle (3), the sealing plate (12) is fixed on the inner side of the maintenance hole through a bolt, and the transparent glass plate (13) is fixed on the inner surface of the sealing plate (12).
3. A nitration stratification and distillation desolventizing system according to claim 2, wherein: a rubber pad (14) is fixed on the sealing plate (12), and the rubber pad (14) is annular.
4. The nitration stratification and distillation desolventizing system according to claim 1, wherein: and a filter (4) is arranged on one side of the distillation desolventizing kettle (3), and the filter (4) is communicated with the distillation desolventizing kettle (3) through a fourth pipeline.
5. The nitration stratification and distillation desolventizing system according to claim 1, wherein: the outside cover of first connecting pipe (8) is equipped with the control valve, the control valve is provided with a plurality ofly.
6. The nitration stratification and distillation desolventizing system according to claim 1, wherein: the number of the water pumps (7) is three, and the lower surface of each water pump (7) is provided with a wear-resistant steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022382499.0U CN213467761U (en) | 2020-10-23 | 2020-10-23 | Nitration layering and distillation desolventizing system |
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| CN202022382499.0U CN213467761U (en) | 2020-10-23 | 2020-10-23 | Nitration layering and distillation desolventizing system |
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| CN213467761U true CN213467761U (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772669A (en) * | 2022-04-01 | 2022-07-22 | 浙江德欧化工制造有限公司 | Cascaded distillation plant to anthraquinone nitration waste acid recovery processing behind dyestuff |
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2020
- 2020-10-23 CN CN202022382499.0U patent/CN213467761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772669A (en) * | 2022-04-01 | 2022-07-22 | 浙江德欧化工制造有限公司 | Cascaded distillation plant to anthraquinone nitration waste acid recovery processing behind dyestuff |
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