CN201864566U - Phosphoric acid purifying device - Google Patents
Phosphoric acid purifying device Download PDFInfo
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- CN201864566U CN201864566U CN2010206241013U CN201020624101U CN201864566U CN 201864566 U CN201864566 U CN 201864566U CN 2010206241013 U CN2010206241013 U CN 2010206241013U CN 201020624101 U CN201020624101 U CN 201020624101U CN 201864566 U CN201864566 U CN 201864566U
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Abstract
The utility model discloses a phosphoric acid purifying device, which comprises an extraction device, a washing device and a reextraction device. The extraction device comprises an emulsion machine and phase splitting equipment or is further additionally provided with one or a plurality of emulsion machines and phase splitting equipment, the washing device comprises an emulsion machine and phase splitting equipment or is further additionally provided with one or a plurality of emulsion machines and phase splitting equipment, and the reextraction device adopts a pulsed column. A first-stage solvent inlet of the extraction device is connected with a light-phase outlet of a reextraction tower, a first-stage solvent inlet of the washing device is connected with a tail-stage light-phase outlet of the extraction device, and a light-phase inlet of the reextraction tower is connected with a tail-stage light-phase outlet of the washing device. The phosphoric acid purifying device can reduce equipment cleaning difficulty, shortens cleaning time, strengthens mass transfer property, increases purifying efficiency, and reduces equipment investment and operation cost.
Description
Technical field
The utility model relates to the chemical industry equipment field, relates in particular to a kind of phosphoric acid purification device.
Background technology
Is advanced at present phosphoric acid purification technology with pulse-column as the solvent extraction technology of mass transfer apparatus, and pulse-column mass-transfer efficiency height can be produced high-quality purifying phosphoric acid.But this equipment making expense is higher, and for preventing to reveal, its tower body is generally moulded, the internal cleaning difficulty.In the phosphoric acid extraction process, phosphoric acid contacts with organic solvent anti-phase in extraction tower, and the partial impurities in the phosphoric acid separates out with sedimentary form.Wherein partly precipitated is along with raffinate is discharged outside the tower, and some precipitates and forms the tower dirt on attached long-pending tower wall and the column plate.Along with the lengthening of time, the tower dirt is cumulative, and structure is more and more finer and close.When the tower dirt was accumulated to certain degree, the tower interior passageway stopped up serious, and the Flow of Goods and Materials and the way of contact are changed in the tower, have a strong impact on effect of extracting.Because of tower dirt component complexity, compact structure will be replaced the obnoxious flavour in the tower during with artificial the cleaning, and it is big to clean difficulty, and the time is long and can not clean the dirty piece at tower body middle part.
In the back extraction process, considerably less because of the material foreign matter content, the tower dirt amount of generation does not seldom cause detrimentally affect to production substantially.
The rotor of mulser and stator are under the high-speed driving of motor, bear the inferior shearing action of hundreds of thousands of at short notice, because the powerful kinetic energy that high linear speed that the rotor high-speed rotation is produced and high frequency machinery effect belt come, make that material is subjected to intensive machinery and fluid power shearing, centrifugal extruding, liquid layer friction in the accurate gap of stator and rotor, high-speed impact is torn with comprehensive action such as turbulent flow under division, broken, disperse, thereby make immiscible material in the abundant dispersion in moment uniform, fine ground, emulsification, homogeneous, dissolving.Mulser cleans easily and is cheap, and mulser is widely used in fine chemistry industry at present: resin emulsification, silicone oil emulsification, carbon black dispersion, fillers dispersed etc.; Be applied to petrochemical complex: heavy oil emulsive, emulsified bitumen, wax emulsification etc.; Biological medicine: microcapsule emulsification, medicine emulsion, cell tissue fragmentation etc.
This equipment reaction transformation efficiency height; Cost of equipment is low, and is simple to operate; Regulate single passage width and parallel access volume and accomplish scale production, the device processes amount is big.
Summary of the invention
The purpose of this utility model be to overcome above-mentioned shortcoming and provide a kind of can the reinforcing mass transfer performance, improve purification efficiency, reduce the phosphoric acid purification device of facility investment and working cost.
A kind of phosphoric acid purification device of the present utility model, comprise extraction plant, washing device and back extraction device, wherein: extraction plant one-level light phase export is connected with washing device one-level solvent inlet, washing device one-level light phase export connects with the light import mutually of back extraction tower, and back extraction tower light phase export is connected with extraction plant one-level solvent inlet;
Extraction plant comprises extraction plant one-level mulser and extraction plant one-level phase splitting device, extraction plant one-level mulser is provided with mulser import of extraction plant one-level and the outlet of extraction plant one-level mulser, extraction plant one-level phase splitting device is provided with the import of extraction plant one-level mixed phase, extraction plant one-level heavy out and extraction plant one-level light phase export, the import of extraction plant one-level mulser is connected with phosphoric acid import of extraction plant one-level and extraction plant one-level solvent inlet, and the outlet of extraction plant one-level mulser is connected with the import of extraction plant one-level mixed phase;
Washing device comprises washing device one-level mulser and washing device one-level phase splitting device, washing device one-level mulser is provided with mulser import of washing device one-level and the outlet of washing device one-level mulser, washing device one-level phase splitting device is provided with the import of washing device one-level mixed phase, washing device one-level heavy out and washing device one-level light phase export, the import of washing device one-level mulser is connected with washing acid import of washing device one-level and washing device one-level solvent inlet, and the outlet of washing device one-level mulser is connected with the import of washing device one-level mixed phase;
Back extraction device is the back extraction tower, and the back extraction tower is provided with the light phase import of back extraction tower, the import of back extraction tower reverse-extraction agent, back extraction tower light phase export, back extraction tower back extraction acid outlet.
Above-mentioned phosphoric acid purification device, wherein: extraction plant comprises extraction plant secondary mulser and extraction plant secondary phase splitting device, extraction plant secondary mulser is provided with the import of extraction plant secondary mulser, the outlet of extraction plant secondary mulser, collection device phase splitting device is provided with the import of extraction plant secondary mixed phase, extraction plant secondary heavy out and extraction plant secondary light phase export, import is connected the import of extraction plant secondary mulser with the extraction plant secondary solvent with the import of extraction plant secondary phosphoric acid, and the outlet of extraction plant secondary mulser is connected with the import of extraction plant secondary phase splitting device mixed phase; Extraction plant one-level light phase export is connected with extraction plant secondary mulser solvent inlet; The extraction plant heavy out is connected with the import of extraction plant one-level phosphoric acid, and extraction plant secondary light phase export is connected with washing device one-level solvent inlet;
Washing device comprises washing device secondary mulser and washing device secondary phase splitting device, washing device secondary mulser is provided with the import of washing device secondary mulser, the outlet of washing device secondary mulser, washing device secondary phase splitting device is provided with the import of washing device secondary mixed phase, washing device secondary heavy out and washing device secondary light phase export, import is connected the import of washing device secondary mulser with the washing device secondary solvent with the import of washing device secondary washing acid, and the outlet of washing device secondary mulser is connected with the import of washing device secondary mixed phase; Washing device one-level light phase export is connected with the import of washing device secondary solvent, and washing device secondary heavy out is connected with the import of washing device one-level washing acid, and washing device secondary light phase export connects with the light import mutually of back extraction tower;
Above-mentioned phosphoric acid purification device, wherein: extraction plant comprises three grades of mulsers of extraction plant and three grades of phase-splitting equipment of extraction plant, three grades of mulsers of extraction plant are provided with three grades of mulser imports of extraction plant and three grades of mulser outlets of extraction plant, three grades of phase-splitting equipment of extraction plant are provided with three grades of mixed phase imports of extraction plant, three grades of heavy outs of extraction plant and three grades of light phase exports of extraction plant, three grades of phosphoric acid imports of three grades of mulser imports of extraction plant and extraction plant are connected with three grades of solvent inlets of extraction plant, and three grades of mulser outlets of extraction plant are connected with three grades of mixed phase imports of extraction plant; Three grades of heavy outs of extraction plant are connected with the import of extraction plant secondary phosphoric acid, and three grades of solvent inlets of extraction plant secondary light phase export and extraction plant are connected, and three grades of light phase exports of extraction plant are connected with washing device one-level solvent inlet.
Washing device comprises three grades of mulsers of washing device and three grades of phase-splitting equipment of extraction plant, three grades of mulsers of washing device are provided with three grades of mulser imports of washing device and three grades of mulser outlets of washing device, the washing device phase splitting device is provided with three grades of mixed phase imports of washing device, three grades of heavy outs of washing device and three grades of light phase exports of washing device, three grades of washing acid imports of three grades of mulser imports of washing device and washing device are connected with three grades of solvent inlets of washing device, and three grades of mulser outlets of washing device are connected with three grades of mixed phase imports of washing device; Three grades of light phase exports of washing device connect with the light import mutually of back extraction tower, and three grades of heavy outs of washing device are connected with the import of washing device secondary washing acid, and three grades of solvent inlets of washing device secondary light phase export and washing device are connected.
Above-mentioned phosphoric acid purification device, wherein: phase splitting device is the equipment that phase-splitting groove or clarifying tank etc. reach the phase-splitting purpose.
Above-mentioned phosphoric acid purification device, wherein: mulser divides mulser for the pipeline high-shear.
The utility model compared with prior art, as can be known from the above technical solutions, different according to purify requiring, wherein: constitute extraction plant, the washing device of phosphoric acid purification device, can select for use one group of mulser and phase splitting device single-stage or by many groups mulser and phase splitting device combine multistage; Back extraction device selects for use pulse-column as mass transfer apparatus.In the phosphoric acid purification process, feed phosphoric acid (fresh phosphoric) adds by the import of extraction plant final stage phosphoric acid, and washing acid (purifying phosphoric acid) adds by the import of washing device final stage washing acid, and de-salted water adds by the import of back extraction tower reverse-extraction agent.The no-load solvent of extraction plant one-level solvent inlet is from the light phase export of back extraction tower, and the loaded solvent of washing device one-level solvent inlet is from extraction plant final stage light phase export, and the loaded solvent of the light inlet mutually of back extraction tower is from washing device final stage light phase export.Because the mulser mass transfer area is big, the mass-transfer efficiency height, the dirty thing that extraction process produces cleans easily, and the equipment easy switching does not influence production, and the mixed solution that comes out from mulser is easy to phase-splitting, thereby guarantees to divide phase effect.The purifying phosphoric acid foreign matter content that obtains is low, but by refining production food grade and electron-level phosphoric acid.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations;
Fig. 3 is embodiment 3 structural representations.
Mark among the figure:
1, extraction plant one-level mulser, 2, extraction plant one-level phase splitting device, 3, the import of extraction plant one-level mulser, 4, the outlet of extraction plant one-level mulser, 5, the import of extraction plant one-level mixed phase, 6, extraction plant one-level heavy out, 7, extraction plant one-level light phase export, 8, the import of extraction plant one-level phosphoric acid, 9, extraction plant one-level solvent inlet, 10, extraction plant secondary mulser, 11, extraction plant secondary phase splitting device, 12, the import of extraction plant secondary mulser, 13, the outlet of extraction plant secondary mulser, 14, the import of extraction plant secondary mixed phase, 15, extraction plant secondary heavy out, 16, extraction plant secondary light phase export, 17, the import of extraction plant secondary phosphoric acid, 18, the import of extraction plant secondary solvent; 19, three grades of mulsers of extraction plant, 20, three grades of phase-splitting equipment of extraction plant, 21, three grades of mulser imports of extraction plant, 22, three grades of mulser outlets of extraction plant, 23, three grades of mixed phase imports of extraction plant, 24, three grades of heavy outs of extraction plant, 25, three grades of light phase exports of extraction plant, 26, three grades of phosphoric acid imports of extraction plant, 27, three grades of solvent inlets of extraction plant.28, washing device one-level mulser, 29, washing device one-level phase splitting device, 30, the import of washing device one-level mulser, 31, the outlet of washing device one-level mulser, 32, the import of washing device one-level mixed phase, 33, washing device one-level heavy out, 34, washing device one-level light phase export, 35, the import of washing device one-level washing acid, 36, washing device one-level solvent inlet, 37, washing device secondary mulser, 38, washing device secondary phase splitting device, 39, the import of washing device secondary mulser, 40, the outlet of washing device secondary mulser, 41, the import of washing device secondary mixed phase, 42, washing device secondary heavy out, 43, washing device secondary light phase export, 44, the import of washing device secondary washing acid, 45, the import of washing device secondary solvent; 46, three grades of mulsers of washing device, 47, three grades of phase-splitting equipment of washing device, 48, three grades of mulser imports of washing device, 49, three grades of mulser outlets of washing device, 50, three grades of mixed phase imports of washing device, 51, three grades of heavy outs of washing device, 52, three grades of light phase exports of washing device, 53, three grades of washing acid imports of washing device, 54, three grades of solvent inlets of washing device, 55, the back extraction tower, 56, back extraction tower reverse-extraction agent import, 57, the light phase import of back extraction tower, 58, back extraction tower light phase export, 59, back extraction tower back extraction acid outlet.
Embodiment
Below in conjunction with accompanying drawing, its embodiment of phosphoric acid purification device, structure, feature and effect thereof to foundation the utility model proposes are described in detail as follows:
Embodiment 1
Referring to Fig. 1, adopt the phosphoric acid purification device of extraction, washing and back extraction, comprise extraction plant, washing device and back extraction device, wherein: extraction plant one-level light phase export 7 is connected with washing device one-level solvent inlet 36, washing device one-level light phase export 34 connects with the light import mutually 57 of back extraction tower, and back extraction tower light phase export 58 is connected with extraction plant one-level solvent inlet 9;
Extraction plant comprises extraction plant one-level mulser 1 and extraction plant one-level phase splitting device 2, extraction plant one-level mulser 1 is provided with extraction plant one-level mulser import 3 and extraction plant one-level mulser outlet 4, extraction plant one-level phase splitting device 2 is provided with extraction plant one-level mixed phase import 5, extraction plant one-level heavy out 6 and extraction plant one-level light phase export 7, extraction plant one-level mulser import 3 is connected with extraction plant one-level phosphoric acid import 8 and extraction plant one-level solvent inlet 9, and extraction plant one-level mulser outlet 4 is connected with extraction plant one-level mixed phase import 5;
Washing device comprises washing device one-level mulser 28 and washing device one-level phase splitting device 29, washing device one-level mulser 28 is provided with washing device one-level mulser import 30 and washing device one-level mulser outlet 31, washing device one-level phase splitting device 29 is provided with washing device one-level mixed phase import 32, washing device one-level heavy out 33 and washing device one-level light phase export 34, washing device one-level mulser import 30 is connected with washing device one-level washing acid import 35 and washing device one-level solvent inlet 36, and washing device one-level mulser outlet 31 is connected with washing device one-level mixed phase import 32;
Back extraction device is a back extraction tower 55, and back extraction tower 55 is provided with the light phase import 57 of back extraction tower, back extraction tower reverse-extraction agent import 56, back extraction tower light phase export 58, back extraction tower back extraction acid outlet 59.
During use: at extraction plant, phosphoric acid enters extraction plant one-level mulser 1 from extraction plant one-level solvent inlet 9 by extraction plant one-level mulser import 3 from extraction plant one-level phosphoric acid import 8, extraction agent (from the no-load solvent of back extraction tower light phase export 58), extraction agent and phosphoric acid are finished the efficient mass transfer process in extraction plant one-level mulser 1, the mixed phase that forms comes out from extraction plant one-level mulser outlet 4, enters extraction plant one-level phase splitting device 2 by extraction plant one-level mixed phase import 5.In extraction plant one-level phase splitting device 2, realize the layering of mixed phase, light, the heavy two-phase that forms, phosphoric acid is extracted agent extraction to be become loaded solvent and enters washing device from extraction plant one-level light phase export 7, impurity in the phosphoric acid enters heavy phase becomes raffinate from 6 discharges of extraction plant one-level heavy out, thereby realizes extracting and separating.
At washing device, purifying phosphoric acid enters washing device one-level mulser 28 from washing device one-level solvent inlet 36 by washing device one-level mulser import 30 from washing device one-level detergent inlet 35, the loaded solvent that comes from extraction plant, loaded solvent and phosphoric acid are finished the efficient mass transfer process in washing device one-level mulser 28, the mixed phase that forms comes out from washing device one-level mulser outlet 31, enters washing device one-level phase splitting device 29 by washing device one-level mixed phase import 32.In washing device one-level phase splitting device 29, realize the layering of mixed phase, light, the heavy two-phase that forms, impurity in the loaded solvent enters heavy phase to be become and washes spent acid and discharge from washing device one-level heavy out 33, be washed the loaded solvent that has purified and enter back extraction device, thereby realize washing, purifying from washing device one-level light phase export 34.
At back extraction device, the load of coming out from washing device one-level phase splitting device light phase export 34 dissolves into into the light phase import 57 of back extraction tower, and reverse-extraction agent adds from back extraction tower reverse-extraction agent import 56, and reverse-extraction agent contacts with loaded solvent anti-phase in tower, fully mass transfer.Phosphoric acid in the loaded solvent enters heavy phase and sinks to down the clarifying chamber and become back extraction acid, in clarifying chamber down, leave standstill phase-splitting after back extraction acid discharge outside the towers from back extraction tower back extraction acid outlet 59.Become no-load solvent by the loaded solvent after the reverse-extraction agent back extraction and rise to the clarifying chamber, return extraction plant from back extraction tower light phase export 58 at last.Realize the recycle of extraction agent.
Referring to Fig. 2, the extraction of employing secondary, the phosphoric acid purification device of secondary washing, comprise extraction plant, washing device and back extraction device, wherein: extraction plant comprises extraction plant secondary mulser 10 and extraction plant secondary phase splitting device 11, extraction plant secondary mulser 10 is provided with extraction plant secondary mulser import 12, extraction plant secondary mulser outlet 13, collection device phase splitting device 11 is provided with extraction plant secondary mixed phase import 14, extraction plant secondary heavy out 15 and extraction plant secondary light phase export 16, extraction plant secondary mulser import 12 is connected with extraction plant secondary solvent import 18 with extraction plant secondary phosphoric acid import 17, and extraction plant secondary mulser outlet 13 is connected with extraction plant secondary phase splitting device mixed phase import 14; Extraction plant one-level light phase export 7 is connected with extraction plant secondary mulser solvent inlet 18; Extraction plant heavy out 15 is connected with extraction plant one-level phosphoric acid import 8, and extraction plant secondary light phase export 16 is connected with washing device one-level solvent inlet 36;
Washing device comprises washing device secondary mulser 37 and washing device secondary phase splitting device 38, washing device secondary mulser 37 is provided with washing device secondary mulser import 39, washing device secondary mulser outlet 40, washing device secondary phase splitting device 38 is provided with washing device secondary mixed phase import 41, washing device secondary heavy out 42 and washing device secondary light phase export 43, washing device secondary mulser import 39 is connected with washing device secondary solvent import 45 with washing device secondary washing acid import 44, and washing device secondary mulser outlet 40 is connected with washing device secondary mixed phase import 41; Washing device one-level light phase export 34 is connected with washing device secondary solvent import 45, and washing device secondary heavy out 42 is connected with washing device one-level washing acid import 35, and washing device secondary light phase export 43 connects with the light import mutually 57 of back extraction tower;
Back extraction device such as embodiment 1.
During use: at extraction plant, the phosphoric acid that extraction plant secondary heavy out 15 comes out, under the effect of pump from extraction plant one-level phosphoric acid import 8, extraction agent (from the no-load solvent of back extraction tower light phase export 58) enters extraction plant one-level mulser 1 from extraction plant one-level solvent inlet 9 by extraction plant one-level mulser import 3, extraction agent and phosphoric acid are finished the efficient mass transfer process in extraction plant one-level mulser 1, the mixed phase that forms comes out from extraction plant one-level mulser outlet 4, enters extraction plant one-level phase splitting device 2 by extraction plant one-level mixed phase import 5.In extraction plant one-level phase splitting device 2, realize the layering of mixed phase, light, the heavy two-phase of formation.Impurity in the phosphoric acid enters heavy phase becomes raffinate from 6 discharges of extraction plant one-level heavy out.Phosphoric acid is extracted agent extraction to be become loaded solvent and comes out from extraction plant one-level light phase export 7, enters extraction plant secondary mulser 10 through extraction plant secondary solvent import 18 by extraction plant secondary mulser import 12 under the effect of pump.Feed phosphoric acid (fresh phosphoric) enters extraction plant secondary mulser 10 through extraction plant secondary phosphoric acid import 17 by extraction plant secondary mulser import 12, efficient mass transfer effect by extraction plant secondary mulser 10, further improve the phosphoric acid extraction rate, the mixed phase that forms comes out from extraction plant secondary mulser outlet 13, enter extraction plant secondary phase splitting device 11 by extraction plant secondary mixed phase import 14, in extraction plant secondary phase splitting device 11, realize the layering of mixed phase, what form is light, heavy two-phase, most of phosphoric acid is extracted the agent extraction and enters and gently form loaded solvent mutually and enter washing device from extraction plant secondary light phase export 16, heavy phase is then returned extraction plant one-level mulser 1 by extraction plant secondary heavy out 15, thereby realizes extracting and separating.
At washing device, the phosphoric acid that washing device secondary heavy out 42 comes out, under the effect of pump, enter washing device one-level mulser 28 from washing device one-level solvent inlet 36 by washing device one-level mulser import 30 from washing device one-level detergent inlet 35, the loaded solvent that comes from extraction plant, loaded solvent and phosphoric acid are finished the efficient mass transfer process in washing device one-level mulser 28, the mixed phase that forms comes out from washing device one-level mulser outlet 31, enters washing device one-level phase splitting device 29 by washing device one-level mixed phase import 32.In washing device one-level phase splitting device 29, realize the layering of mixed phase, light, the heavy two-phase of formation.Impurity in the loaded solvent enters heavy phase to be become and washes spent acid and discharge from washing device one-level heavy out 33, be washed the loaded solvent that has purified and come out, under the effect of pump, enter washing device secondary mulser 37 by washing device secondary mulser import 39 through washing device secondary solvent import 45 from washing device one-level light phase export 34.Washing acid (purifying phosphoric acid) enters washing device secondary mulser 37 through washing device secondary detergent inlet 44 by washing device secondary mulser import 39, efficient mass transfer effect by washing device secondary mulser 37, further improve the molten washing effect of load, the mixed phase that forms comes out from washing device secondary mulser outlet 40, enter washing device secondary phase splitting device 38 by washing device secondary mixed phase import 41, in two washing device secondary phase splitting devices 38, realize the layering of mixed phase, what form is light, heavy two-phase, be washed the loaded solvent that has purified and enter back extraction device from washing device secondary light phase export 43, impurity in the loaded solvent enters heavy phase and returns washing device one-level mulser 28 by washing device secondary heavy out 42, thereby realizes washing, purifying.
In the back extraction device principle of work with embodiment 1.
Referring to Fig. 3, adopt three grades of extractions, the phosphoric acid purification device of three grades of washings, comprise extraction plant, washing device and back extraction device, wherein: extraction plant comprises three grades of mulsers 19 of extraction plant and three grades of phase-splitting equipment 20 of extraction plant, three grades of mulsers 19 of extraction plant are provided with three grades of mulser imports 21 of extraction plant and three grades of mulser outlets 22 of extraction plant, three grades of phase-splitting equipment 20 of extraction plant are provided with three grades of mixed phase imports 23 of extraction plant, three grades of heavy outs 24 of extraction plant and three grades of light phase exports 25 of extraction plant, three grades of phosphoric acid imports 26 of three grades of mulser imports 21 of extraction plant and extraction plant are connected with three grades of solvent inlets 27 of extraction plant, and three grades of mulsers of extraction plant outlet 22 is connected with three grades of mixed phase imports 23 of extraction plant; Three grades of heavy outs 24 of extraction plant are connected with extraction plant secondary phosphoric acid import 17, and three grades of solvent inlets 27 of extraction plant secondary light phase export 16 and extraction plant are connected, and three grades of light phase exports 25 of extraction plant are connected with washing device one-level solvent inlet 36.
Washing device comprises three grades of mulsers 46 of washing device and three grades of phase-splitting equipment 47 of extraction plant, three grades of mulsers 46 of washing device are provided with three grades of mulser imports 48 of washing device and three grades of mulser outlets 49 of washing device, washing device phase splitting device 47 is provided with three grades of mixed phase imports 50 of washing device, three grades of heavy outs 51 of washing device and three grades of light phase exports 52 of washing device, three grades of washing acid imports 53 of three grades of mulser imports 48 of washing device and washing device are connected with three grades of solvent inlets 54 of washing device, and three grades of mulsers of washing device outlet 49 is connected with three grades of mixed phase imports 50 of washing device; Three grades of light phase exports 52 of washing device connect with the light import mutually 57 of back extraction tower, and three grades of heavy outs 51 of washing device are connected with washing device secondary washing acid import 44, and three grades of solvent inlets 54 of washing device secondary light phase export 43 and washing device are connected.
Back extraction device such as embodiment 1.
During use, at extraction plant, the phosphoric acid that three grades of heavy outs 24 of extraction plant come out returns extraction plant secondary mulser 10 under the effect of pump; Loaded solvent comes out from extraction plant secondary light phase export 16, under the effect of pump, enter three grades of mulsers 19 of extraction plant through three grades of phosphoric acid imports 26 of extraction plant by three grades of mulser imports 21 of extraction plant through three grades of solvent inlets 27 of extraction plant, feed phosphoric acid (fresh phosphoric), efficient mass transfer effect by multistage mulser has improved the phosphoric acid extraction rate as much as possible; The mixed phase that forms comes out from three grades of mulser outlets 22 of extraction plant, enter three grades of phase-splitting equipment 20 of extraction plant by three grades of mixed phase imports 23 of extraction plant, in three grades of phase-splitting equipment 20 of extraction plant, realize the layering of mixed phase, light, the heavy two-phase that forms, most of phosphoric acid is extracted the agent extraction and enters and gently form loaded solvent mutually and come out to enter washing device from three grades of light phase exports of extraction plant 25, heavy phase is then returned extraction plant secondary mulser 10 by three grades of heavy outs 24 of extraction plant, thereby realizes extracting and separating.All the other principle of work are with embodiment 2.
At washing device, loaded solvent comes out from washing device secondary light phase export 43, enters washing device three grade mulsers 46 through three grades of detergent inlet 53 of washing device by three grades of mulser imports 48 of washing device through three grades of solvent inlets 54 of washing device, washing acid (purifying phosphoric acid) under the effect of pump.Efficient mass transfer effect by multistage mulser has improved the phosphoric acid washing effect as much as possible; The mixed phase that forms comes out from three grades of mulser outlets 49 of washing device, enter three grades of phase-splitting equipment 47 of washing device by three grades of mixed phase imports 50 of washing device, in three grades of phase-splitting equipment 47 of washing device, realize the layering of mixed phase, light, the heavy two-phase that forms, be washed the loaded solvent that has purified and come out to enter back extraction device from three grades of light phase exports of washing device 52, the impurity in the loaded solvent enters heavy phase and returns washing device secondary mulser 37 by three grades of heavy outs 51 of washing device.By three grades of washings, the impurity major part in the loaded solvent is entered heavy phase by phosphoric acid washing and finally discharges from washing device one-level heavy out 33, thereby realizes washing, purifying.All the other principle of work are with embodiment 2.
In the back extraction device principle of work with embodiment 1.
More than among three embodiment: mulser adopts the pipeline high-shearing dispersion emulsifying machine; Phase splitting device adopts phase-splitting groove, clarifying tank etc. to reach the equipment of phase-splitting purpose; Pulse-column adopts air as pulse power.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (5)
1. phosphoric acid purification device, comprise extraction plant, washing device and back extraction device, it is characterized in that: extraction plant one-level light phase export (7) is connected with washing device one-level solvent inlet (36), washing device one-level light phase export (34) connects with the light import mutually of back extraction tower (57), and back extraction tower light phase export (58) is connected with extraction plant one-level solvent inlet (9);
Extraction plant comprises extraction plant one-level mulser (1) and extraction plant one-level phase splitting device (2), extraction plant one-level mulser (1) is provided with extraction plant one-level mulser import (3) and extraction plant one-level mulser outlet (4), extraction plant one-level phase splitting device (2) is provided with extraction plant one-level mixed phase import (5), extraction plant one-level heavy out (6) and extraction plant one-level light phase export (7), extraction plant one-level mulser import (3) is connected with extraction plant one-level phosphoric acid import (8) and extraction plant one-level solvent inlet (9), and extraction plant one-level mulser outlet (4) is connected with extraction plant one-level mixed phase import (5);
Washing device comprises washing device one-level mulser (28) and washing device one-level phase splitting device (29), washing device one-level mulser (28) is provided with washing device one-level mulser import (30) and washing device one-level mulser outlet (31), washing device one-level phase splitting device (29) is provided with washing device one-level mixed phase import (32), washing device one-level heavy out (33) and washing device one-level light phase export (34), washing device one-level mulser import (30) is connected with washing device one-level washing acid import (35) and washing device one-level solvent inlet (36), and washing device one-level mulser outlet (31) is connected with washing device one-level mixed phase import (32);
Back extraction device is back extraction tower (55), and back extraction tower (55) is provided with the light phase import of back extraction tower (57), back extraction tower reverse-extraction agent import (56), back extraction tower light phase export (58), back extraction tower back extraction acid outlet (59).
2. phosphoric acid purification device as claimed in claim 1, it is characterized in that: extraction plant comprises extraction plant secondary mulser (10) and extraction plant secondary phase splitting device (11), extraction plant secondary mulser (10) is provided with extraction plant secondary mulser import (12), extraction plant secondary mulser outlet (13), collection device phase splitting device (11) is provided with extraction plant secondary mixed phase import (14), extraction plant secondary heavy out (15) and extraction plant secondary light phase export (16), extraction plant secondary mulser import (12) is connected with extraction plant secondary solvent import (18) with extraction plant secondary phosphoric acid import (17), and extraction plant secondary mulser outlet (13) is connected with extraction plant secondary phase splitting device mixed phase import (14); Extraction plant one-level light phase export (7) is connected with extraction plant secondary mulser solvent inlet (18); Extraction plant heavy out (15) is connected with extraction plant one-level phosphoric acid import (8), and extraction plant secondary light phase export (16) is connected with washing device one-level solvent inlet (36);
Washing device comprises washing device secondary mulser (37) and washing device secondary phase splitting device (38), washing device secondary mulser (37) is provided with washing device secondary mulser import (39), washing device secondary mulser outlet (40), washing device secondary phase splitting device (38) is provided with washing device secondary mixed phase import (41), washing device secondary heavy out (42) and washing device secondary light phase export (43), washing device secondary mulser import (39) is connected with washing device secondary solvent import (45) with washing device secondary washing acid import (44), and washing device secondary mulser outlet (40) is connected with washing device secondary mixed phase import (41); Washing device one-level light phase export (34) is connected with washing device secondary solvent import (45), washing device secondary heavy out (42) is connected with washing device one-level washing acid import (35), and washing device secondary light phase export (43) connects with the light import mutually of back extraction tower (57).
3. phosphoric acid purification device as claimed in claim 2, it is characterized in that: extraction plant comprises three grades of mulsers of extraction plant (19) and three grades of phase-splitting equipment of extraction plant (20), three grades of mulsers of extraction plant (19) are provided with three grades of mulser imports of extraction plant (21) and three grades of mulser outlets of extraction plant (22), three grades of phase-splitting equipment of extraction plant (20) are provided with three grades of mixed phase imports of extraction plant (23), three grades of light phase exports of three grades of heavy outs of extraction plant (24) and extraction plant (25), three grades of mulser imports of extraction plant (21) are connected with three grades of solvent inlets of three grades of phosphoric acid imports of extraction plant (26) and extraction plant (27), and three grades of mulser outlets of extraction plant (22) are connected with three grades of mixed phase imports of extraction plant (23); Three grades of heavy outs of extraction plant (24) are connected with extraction plant secondary phosphoric acid import (17), extraction plant secondary light phase export (16) is connected with three grades of solvent inlets of extraction plant (27), and three grades of light phase exports of extraction plant (25) are connected with washing device one-level solvent inlet (36);
Washing device comprises three grades of mulsers of washing device (46) and three grades of phase-splitting equipment of extraction plant (47), three grades of mulsers of washing device (46) are provided with three grades of mulser imports of washing device (48) and three grades of mulser outlets of washing device (49), washing device phase splitting device (47) is provided with three grades of mixed phase imports of washing device (50), three grades of light phase exports of three grades of heavy outs of washing device (51) and washing device (52), three grades of mulser imports of washing device (48) are connected with three grades of solvent inlets of three grades of washing acid imports of washing device (53) and washing device (54), and three grades of mulser outlets of washing device (49) are connected with three grades of mixed phase imports of washing device (50); Three grades of light phase exports of washing device (52) connect with the light import mutually of back extraction tower (57), three grades of heavy outs of washing device (51) are connected with washing device secondary washing acid import (44), and washing device secondary light phase export (43) is connected with three grades of solvent inlets of washing device (54).
4. as the described phosphoric acid purification device of one of claim 1-3, wherein: phase splitting device is phase-splitting groove or clarifying tank.
5. as the described phosphoric acid purification device of one of claim 1-3, wherein: mulser is the pipeline high-shearing dispersion emulsifying machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206241013U CN201864566U (en) | 2010-11-25 | 2010-11-25 | Phosphoric acid purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206241013U CN201864566U (en) | 2010-11-25 | 2010-11-25 | Phosphoric acid purifying device |
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| CN201864566U true CN201864566U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206241013U Expired - Lifetime CN201864566U (en) | 2010-11-25 | 2010-11-25 | Phosphoric acid purifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433258A (en) * | 2013-08-16 | 2013-12-11 | 甘肃瓮福化工有限责任公司 | Device for cleaning scale on tube wall of phosphoric acid storage tank |
| CN104588381A (en) * | 2014-12-30 | 2015-05-06 | 铜陵鑫克精细化工有限责任公司 | Cleaning method for extraction plant capable of purifying wet process phosphoric acid with solvent extraction method |
| CN107485889A (en) * | 2017-09-08 | 2017-12-19 | 瓮福达州化工有限责任公司 | A kind of wet phosphoric acid purifying extracting system |
-
2010
- 2010-11-25 CN CN2010206241013U patent/CN201864566U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433258A (en) * | 2013-08-16 | 2013-12-11 | 甘肃瓮福化工有限责任公司 | Device for cleaning scale on tube wall of phosphoric acid storage tank |
| CN104588381A (en) * | 2014-12-30 | 2015-05-06 | 铜陵鑫克精细化工有限责任公司 | Cleaning method for extraction plant capable of purifying wet process phosphoric acid with solvent extraction method |
| CN107485889A (en) * | 2017-09-08 | 2017-12-19 | 瓮福达州化工有限责任公司 | A kind of wet phosphoric acid purifying extracting system |
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