CN201670729U - Phosphoric acid purification device - Google Patents
Phosphoric acid purification device Download PDFInfo
- Publication number
- CN201670729U CN201670729U CN2010201889886U CN201020188988U CN201670729U CN 201670729 U CN201670729 U CN 201670729U CN 2010201889886 U CN2010201889886 U CN 2010201889886U CN 201020188988 U CN201020188988 U CN 201020188988U CN 201670729 U CN201670729 U CN 201670729U
- Authority
- CN
- China
- Prior art keywords
- phase
- extraction plant
- washing device
- grades
- mulser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Extraction Or Liquid Replacement (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a phosphoric acid purification device, which comprises an extraction device, a cleaning device and a back-extraction device; wherein, the extraction device comprises a set of emulsifying machines and phase splitters and a set of mixers and phase splitters, or besides one or more sets of emulsifying machines and phase splitters (or mixers and phase splitters); the cleaning device selectively uses two-stage sets of emulsifying machines and phase splitters, besides one or more sets of emulsifying machines and phase splitters; the back-extraction device selectively uses a pulse column as a mass transfer device; a one-stage dissolvent inlet of the extraction device is connected with a light phase outlet of a back-extraction column of the back-extraction device; a one-stage dissolvent inlet of the cleaning device is connected with a light phase outlet of a last-stage phase splitter of the extraction device; a dissolvent inlet of a back-extraction column of the back-extraction device is connected with a light phase outlet of a last-stage phase splitter of the cleaning device. Due to the adoption of the phosphoric acid purification device, the mass transfer performance is strengthened, the purification efficiency is improved, the equipment investment and the operating cost are reduced, and the small area is covered.
Description
Technical field
The utility model relates to this chemical industry equipment field, relates in particular to a kind of phosphoric acid purification device.
Background technology
Realize that with solvent extraction technology phosphoric acid purification is a phosphoric acid purification technology commonly used at present, solvent extraction technology generally comprises extraction, washing and back extraction operation.The chemical industry equipment that can realize extraction, washing, back extraction function at present is mainly as follows: a multistage mixing-clarifying tank, it is a kind of typically contact liquid liquid mass transfer apparatus step by step, wherein every grade comprises mixing tank and clarifying tank two portions, this equipment main drawback has: horizontal multistage mixing-tempering tank floor space is bigger, be equipped with whipping appts in each level, fluid generally needs to use pump delivery flowing of inter-stage, and cost of equipment and process cost are all bigger; Two sieve-tray towers, the weight two-phase is made counter-current flow in tower, and two-phase is the cross-flow contact on every block of column plate, and this tower mass-transfer efficiency is than higher, but its internal structure is complicated, and manufacturing cost is higher, the internal cleaning difficulty; Three packing towers, the packing tower structure is simple relatively, but efficient is lower, can not be used to have the material of solid particulate and easy fouling; Four pulsed packed towers and pulsed sieve plate column, in order to improve the two-phase contact condition, the reinforcing mass transfer process, add mechanical energy causing pulsation at packing tower and sieve-tray tower, and the generation of pulsation is realized by reciprocation pump or pressurized air usually, this kind equipment mass-transfer efficiency height, but manufacturing cost is higher, the internal cleaning difficulty, and working cost is higher; Sieve plate is fixed on the central shaft in five oscillating screen plate towers, oscillating screen plate tower, is driven by toggle, and this tower is limited by equipment material, and it is very difficult to maximize, and working cost is higher.
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 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.
Chinese patent publication number CN1807277A, disclosed on 02 22nd, 2006 " a kind of multi-channeled micro-structured reactor ", continuous phase fluid enters reactor from the inlet tube distribution chamber in this reactor, dispersed phase fluid is passed dispersion medium and is entered the external phase parallel channels, under continuous phase fluid flows shear action, be dispersed into fine droplet or bubble, contact, realize short mix and reaction between two-phase fluid with continuous phase fluid.This reactor has important application in numerous hybrid reactions fields such as chemistry, chemical industry, petrochemical industry, medicine and food.Using as mixing tank of the present invention, is because of this equipment mass transfer area is big, the reaction conversion ratio 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 phase splitting device B light phase export is connected with washing device one-level solvent inlet, washing device secondary light phase export connects with the light import mutually of back extraction tower, and back extraction tower light phase export is connected with the extraction plant solvent inlet;
Extraction plant comprises extraction plant mulser A and extraction plant phase splitting device A, extraction plant mixing tank A and extraction plant phase splitting device B, extraction plant mulser A is provided with extraction plant mulser A import, extraction plant mulser A outlet, collection device phase splitting device A is provided with the import of extraction plant mixed phase, extraction plant heavy out and extraction plant light phase export, the import of extraction plant mulser is connected with the extraction plant solvent inlet with the import of extraction plant phosphoric acid, and extraction plant mulser A outlet is connected with the import of extraction plant phase splitting device A mixed phase; Extraction plant mixing tank A is provided with extraction plant mixing tank A continuous phase fluid inlet, extraction plant mixing tank A dispersed phase fluid inlet and the outlet of extraction plant mixing tank A mixed phase fluid, extraction plant phase splitting device B is provided with the import of extraction plant phase splitting device B mixed phase, extraction plant phase splitting device B light phase export and extraction plant phase splitting device B heavy out, and the outlet of extraction plant mixing tank A continuous phase fluid is connected with the import of extraction plant phase splitting device B mixed phase; Extraction plant phase splitting device A light phase export is connected with extraction plant mixing tank A continuous phase fluid inlet, and extraction plant phase splitting device B heavy out is connected with the import of extraction plant phosphoric acid;
Washing device comprises washing device one-level mulser and washing device one-level phase splitting device, washing device secondary mulser and washing device secondary 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 device one-level solvent inlet with washing device one-level detergent inlet, and the outlet of washing device one-level mulser is connected with the import of washing device one-level mixed phase; Washing device secondary mulser is provided with mulser import of washing device secondary and 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 washing device secondary detergent inlet, 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 washing device one-level detergent inlet;
Back extraction device comprises the back extraction tower, and the back extraction tower is provided with the import of the light phase import of back extraction tower de-salted water, back extraction tower light phase export, back extraction acid outlet, and back extraction tower light phase export is connected with the extraction plant solvent inlet.
Above-mentioned phosphoric acid purification device, wherein: extraction plant comprises extraction plant mulser B and extraction plant phase splitting device C, extraction plant mulser B is provided with B import of extraction plant mulser and extraction plant mulser B outlet, extraction plant phase splitting device C is provided with the import of extraction plant phase splitting device C mixed phase, extraction plant phase splitting device C heavy out and extraction plant phase splitting device C light phase export, three grades of phosphoric acid imports of extraction plant mulser B import and extraction plant are connected with three grades of solvent inlets of extraction plant, and extraction plant mulser B outlet is connected with the import of extraction plant phase splitting device C mixed phase; Three grades of solvent inlets of extraction plant phase splitting device B light phase export and extraction plant are connected, extraction plant phase splitting device C heavy out is connected with extraction plant mixing tank A dispersed phase fluid inlet, and extraction plant phase splitting device C light phase export is 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 washing device, 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, three grades of phase-splitting equipment of washing device are 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 detergent inlet 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 solvent inlets of washing device secondary light phase export and washing device are connected, and three grades of heavy outs of washing device are connected with washing device secondary detergent inlet, and three grades of phase-splittings of washing device are established light phase export and are connected with the back extraction device solvent inlet.
Above-mentioned phosphoric acid purification device, wherein: extraction plant comprises extraction plant mixing tank B and extraction plant phase splitting device D, extraction plant mixing tank B is provided with extraction plant mixing tank B continuous phase fluid inlet, extraction plant mixing tank B dispersed phase fluid inlet and the outlet of extraction plant mixing tank B mixed phase fluid, extraction plant phase splitting device D is provided with the import of extraction plant phase splitting device D mixed phase, extraction plant phase splitting device D light phase export and extraction plant phase splitting device D heavy out, the outlet of extraction plant mixing tank B mixed phase fluid is connected with the import of extraction plant phase splitting device D mixed phase; Extraction plant phase splitting device B light phase export is connected with extraction plant mixing tank B continuous phase fluid inlet, extraction plant phase splitting device D heavy out is connected with extraction plant mixing tank A dispersed phase fluid inlet, and extraction plant phase splitting device D light phase export is 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 washing device, 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, three grades of phase-splitting equipment of washing device are 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 detergent inlet 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 solvent inlets of washing device secondary light phase export and washing device are connected, and three grades of heavy outs of washing device are connected with washing device secondary detergent inlet, and three grades of phase-splittings of washing device are established light phase export and are connected with the back extraction device solvent inlet.
Above-mentioned phosphoric acid purification device, wherein: phase splitting device is phase-splitting groove or clarifying tank.
Above-mentioned phosphoric acid purification device, wherein: mulser is the pipeline high-shearing dispersion emulsifying machine.
The utility model compared with prior art, as can be known from the above technical solutions, require difference according to purifying, wherein: extraction plant comprises one group of mulser and phase splitting device and one group of mixing tank and phase splitting device, or increases one or more groups mulser and phase splitting device (or mixing tank and phase splitting device) on aforesaid combination; Washing device is selected two-stage group mulser and phase splitting device for use, or increases one or more groups mulser and phase splitting device on aforesaid combination.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 mixing tank, mulser dispersed phase fluid inlet, the phosphoric acid import of final stage extraction plant, and washing acid (purifying phosphoric acid), de-salted water add by final stage washing device detergent inlet, the import of back extraction device de-salted water.The no-load solvent of extraction plant one-level solvent inlet is from back extraction tower light phase export, the loaded solvent of washing device one-level solvent inlet is from the light phase export of extraction plant final stage phase splitting device, and the loaded solvent of back extraction device solvent inlet is from the light phase export of washing device final stage phase splitting device.Because mulser, mixing tank, pulse-column mass transfer area are big, the mass-transfer efficiency height.The mixed solution that comes out from mulser, mixing tank is easy to phase-splitting, thereby guarantees to divide phase effect.Therefore, the impurity in extraction and the washing device raw phosphoric acid is removed, so do not produce precipitation at back extraction device.Pulse-column is used in back extraction device, can overcome the not shortcoming of easy cleaning, can bring into play that it is stable, equipment performance efficiently.The purifying phosphoric acid foreign matter content that obtains is low, but by refining production food grade and electron-level phosphoric acid.System's material loading level is little, avoids hazardous material (fluids) (as phosphoric acid, organic extractant) to leak in a large number and the peace ring accident that causes; Mulser, mixing tank floor space are little, and appliance arrangement is arranged simple, and factory building can be realized miniaturization; Mulser, mixing tank cost are low, can save facility investment.
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 A, 2, extraction plant phase splitting device A, 3, extraction plant mulser A import, 4, extraction plant mulser A outlet, 5, the import of extraction plant mixed phase, 6, the extraction plant heavy out, 7, the extraction plant light phase export, 8, the import of extraction plant phosphoric acid, 9, the extraction plant solvent inlet, 10, extraction plant mixing tank A, 11, extraction plant phase splitting device B, 12, extraction plant mixing tank A continuous phase fluid inlet, 13, extraction plant mixing tank A dispersed phase fluid inlet, 14, the outlet of extraction plant mixing tank A mixed phase fluid, 15, the import of extraction plant phase splitting device B mixed phase, 16, extraction plant phase splitting device B light phase export, 17, extraction plant phase splitting device B heavy out, 18, extraction plant mulser B, 19, extraction plant phase splitting device C, 20, extraction plant mulser B import, 21, extraction plant mulser B outlet, 22, the import of extraction plant phase splitting device C mixed phase, 23, extraction plant phase splitting device C heavy out, 24, extraction plant phase splitting device C light phase export, 25, three grades of phosphoric acid imports of extraction plant, 26, three grades of solvent inlets of extraction plant, 27, extraction plant mixing tank B, 28, extraction plant phase splitting device D, 29, extraction plant mixing tank B continuous phase fluid inlet, 30, extraction plant mixing tank B dispersed phase fluid inlet, 31, the outlet of extraction plant mixing tank B mixed phase fluid, 32, the import of extraction plant phase splitting device D mixed phase, 33, extraction plant phase splitting device D light phase export, 34, extraction plant phase splitting device D heavy out, 35, washing device one-level mulser, 36, washing device one-level phase splitting device, 37, the import of washing device one-level mulser, 38, the outlet of washing device one-level mulser, 39, the import of washing device one-level mixed phase, 40, washing device one-level heavy out, 41, washing device one-level light phase export, 42, washing device one-level detergent inlet, 43, washing device one-level solvent inlet, 44, washing device secondary mulser, 45, washing device secondary phase splitting device, 46, the import of washing device secondary mulser, 47, the outlet of washing device secondary mulser, 48, the import of washing device secondary mixed phase, 49, washing device secondary heavy out, 50, washing device secondary light phase export, 51, washing device secondary detergent inlet, 52, the import of washing device secondary solvent, 53, three grades of mulsers of washing device, 54, three grades of phase-splitting equipment of washing device, 55, three grades of mulser imports of washing device, 56, three grades of mulser outlets of washing device, 57, three grades of mixed phase imports of washing device, 58, three grades of heavy outs of washing device, 59, three grades of light phase exports of washing device, 60, three grades of detergent inlet of washing device, 61, three grades of solvent inlets of washing device, 62, the back extraction tower, 63, the de-salted water import, 64, the light phase import of back extraction tower, 65, back extraction tower light phase export, 66, 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:
Referring to Fig. 1, adopt the phosphoric acid purification device of secondary extraction, washing and one-level back extraction, comprise extraction plant, washing device and back extraction device, wherein: extraction plant phase splitting device B light phase export 16 is connected with washing device one-level solvent inlet 43, washing device secondary light phase export 50 connects with the light import mutually 64 of back extraction tower, and back extraction tower light phase export 65 is connected with extraction plant solvent inlet 9;
Extraction plant comprises extraction plant mulser A1 and extraction plant phase splitting device A2, extraction plant mixing tank A10 and extraction plant phase splitting device B11, extraction plant mulser A1 is provided with extraction plant mulser A import 3, extraction plant mulser A outlet 4, collection device phase splitting device A2 is provided with extraction plant mixed phase import 5, extraction plant heavy out 6 and extraction plant light phase export 7, extraction plant mulser import 3 is connected with extraction plant solvent inlet 9 with extraction plant phosphoric acid import 8, and extraction plant mulser A outlet 4 is connected with extraction plant phase splitting device A mixed phase import 5; Extraction plant mixing tank A10 is provided with extraction plant mixing tank A continuous phase fluid inlet 12, extraction plant mixing tank A dispersed phase fluid inlet 13 and extraction plant mixing tank A mixed phase fluid outlet 14, extraction plant phase splitting device B11 is provided with extraction plant phase splitting device B mixed phase import 15, extraction plant phase splitting device B light phase export 16 and extraction plant phase splitting device B heavy out 17, and extraction plant mixing tank A continuous phase fluid outlet 14 is connected with extraction plant phase splitting device B mixed phase import 15; Extraction plant phase splitting device A light phase export 7 is connected with extraction plant mixing tank A continuous phase fluid inlet 12, and extraction plant phase splitting device B heavy out 17 is connected with extraction plant phosphoric acid import 8;
Washing device comprises washing device one-level mulser 35 and washing device one-level phase splitting device 36, washing device secondary mulser 44 and washing device secondary phase splitting device 45, washing device one-level mulser 35 is provided with washing device one-level mulser import 37 and washing device one-level mulser outlet 38, washing device one-level phase splitting device 36 is provided with washing device one-level mixed phase import 39, washing device one-level heavy out 40 and washing device one-level light phase export 41, washing device one-level mulser import 37 is connected with washing device one-level solvent inlet 43 with washing device one-level detergent inlet 42, and washing device one-level mulser outlet 38 is connected with washing device one-level mixed phase import 39; Washing device secondary mulser 44 is provided with washing device secondary mulser import 46 and washing device secondary mulser outlet 47, washing device secondary phase splitting device 45 is provided with washing device secondary mixed phase import 48, washing device secondary heavy out 49 and washing device secondary light phase export 50, washing device secondary mulser import 46 is connected with washing device secondary solvent import 52 with washing device secondary detergent inlet 51, and washing device secondary mulser outlet 47 is connected with washing device secondary mixed phase import 48; Washing device one-level light phase export 41 is connected with washing device secondary solvent import 52, and washing device secondary heavy out 49 is connected with washing device one-level detergent inlet 42;
Back extraction device comprises back extraction tower 62, and back extraction tower 62 is provided with the light phase import 64 de-salted water imports 63 of back extraction tower, back extraction tower light phase export 65, back extraction acid outlet 66, and back extraction tower light phase export 65 is connected with extraction plant solvent inlet 9.
During use: at extraction plant, the phosphoric acid that comes out from extraction plant phase splitting device B heavy out 17 all enters extraction plant mulser A1 by extraction plant mulser import 3 from extraction plant phosphoric acid import 8, extraction agent (from the no-load solvent of back extraction device light phase export 65) from extraction plant solvent inlet 9 under the effect of pump, extraction agent and phosphoric acid are finished the efficient mass transfer process in extraction plant mulser A1, the mixed phase that forms comes out from extraction plant mulser A1 outlet 4, enters extraction plant phase splitting device A2 by extraction plant mixed phase import 5.In extraction plant phase splitting device A2, 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 heavy out, phosphoric acid is extracted agent extraction to be become loaded solvent and comes out from extraction plant light phase export 7, enters extraction plant mixing tank A10 through extraction plant mixing tank A continuous phase fluid inlet 12 under the effect of pump; Feed phosphoric acid (fresh phosphoric) enters extraction plant mixing tank A10 through extraction plant mixing tank A dispersed phase fluid inlet 13, efficient mass transfer effect by extraction plant mixing tank A10, further improve the phosphoric acid extraction rate, the mixed phase that forms comes out from extraction plant mixing tank A mixed phase fluid outlet 14, enter extraction plant phase splitting device B11 by extraction plant phase splitting device B mixed phase import 15, in extraction plant phase splitting device B11, 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 phase splitting device B light phase export 16, heavy phase is then returned extraction plant mulser A1 by extraction plant phase splitting device B heavy out 17, thereby realizes extracting and separating.
At washing device, the phosphoric acid that washing device secondary heavy out 49 comes out, under the effect of pump, enter washing device one-level mulser 35 from washing device one-level solvent inlet 43 by washing device one-level mulser import 37 from washing device one-level detergent inlet 42, 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 35, the mixed phase that forms comes out from washing device one-level mulser outlet 38, enters washing device one-level phase splitting device 36 by washing device one-level mixed phase import 39.In washing device one-level phase splitting device 36, 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 40, loaded solvent comes out from washing device one-level light phase export 41, enters washing device secondary mulser 44 through washing device secondary solvent import 52 under the effect of pump.Washing acid (purifying phosphoric acid) enters washing device secondary mulser 44 through washing device secondary detergent inlet 51, efficient mass transfer effect by washing device secondary mulser 44, further improve the molten washing effect of load, the mixed phase that forms comes out from washing device secondary mulser outlet 47, enter washing device secondary phase splitting device 45 by washing device secondary mixed phase import 48, in washing device secondary phase splitting device 45, 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 50, heavy phase returns washing device one-level mulser 35 by washing device secondary heavy out 49.Thereby realization washing, purifying.
At back extraction device, the load of coming out from washing device secondary light phase export 49 dissolves into into the light phase import 64 of back extraction device back extraction tower, and de-salted water adds from de-salted water import 63, and de-salted water 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, in following clarifying chamber, leave standstill phase-splitting after back extraction acid discharge outside the towers from back extraction acid outlet 66.Be desalted loaded solvent after the water back extraction and become no-load solvent and rise to the clarifying chamber, return extraction plant from back extraction tower light phase export 65 at last.Realize the recycle of extraction agent.
Embodiment 2
Referring to Fig. 2, adopt three grades of extractions, the phosphoric acid purification device of washing and one-level back extraction, comprise extraction plant, washing device and back extraction device, wherein: extraction plant comprises extraction plant mulser B18 and extraction plant phase splitting device C19, extraction plant mulser B18 is provided with extraction plant mulser B import 20 and extraction plant mulser B outlet 21, extraction plant phase splitting device C19 is provided with extraction plant phase splitting device C mixed phase import 22, extraction plant phase splitting device C heavy out 23 and extraction plant phase splitting device C light phase export 24, three grades of phosphoric acid imports 25 of extraction plant mulser B import 20 and extraction plant are connected with three grades of solvent inlets 26 of extraction plant, and extraction plant mulser B outlet 21 is connected with extraction plant phase splitting device C mixed phase import 22; Three grades of solvent inlets 26 of extraction plant phase splitting device B light phase export 16 and extraction plant are connected, extraction plant phase splitting device C heavy out 23 is connected with extraction plant mixing tank A dispersed phase fluid inlet 13, and extraction plant phase splitting device C light phase export 24 is connected with washing device one-level solvent inlet 43;
Washing device comprises three grades of mulsers 53 of washing device and three grades of phase-splitting equipment 54 of washing device, three grades of mulsers 53 of washing device are provided with three grades of mulser imports 55 of washing device and three grades of mulser outlets 56 of washing device, three grades of phase-splitting equipment 54 of washing device are provided with three grades of mixed phase imports 57 of washing device, three grades of heavy outs 58 of washing device and three grades of light phase exports 59 of washing device, three grades of detergent inlet 60 of three grades of mulser imports 55 of washing device and washing device are connected with three grades of solvent inlets 61 of washing device, and three grades of mulsers of washing device outlet 56 is connected with three grades of mixed phase imports 57 of washing device; Three grades of solvent inlets 61 of washing device secondary light phase export 50 and washing device are connected, and three grades of heavy outs 58 of washing device are connected with washing device secondary detergent inlet 51, and three grades of phase-splittings of washing device are established light phase export 59 and are connected with back extraction device solvent inlet 64.
All the other are with embodiment 1.
During use, at extraction plant, loaded solvent from extraction plant phase splitting device B light phase export 16 come out, under the effect of pump through three grades of solvent inlets 26 of extraction plant, feed phosphoric acid (fresh phosphoric) enters extraction plant mulser B18 through three grades of phosphoric acid imports 25 of extraction plant by extraction plant mulser B import 20; The mixed phase that forms comes out from extraction plant mulser B outlet 21, enter extraction plant phase splitting device C19 by extraction plant phase splitting device C mixed phase import 22, in extraction plant phase splitting device C19, realize the layering of mixed phase, light, the heavy two-phase that forms, most of phosphoric acid are extracted the agent extraction and enter and gently form loaded solvent mutually and come out to enter washing device from extraction plant phase splitting device C light phase export 24; Heavy phase is then returned extraction plant mixing tank A10 by extraction plant phase splitting device C heavy out 23, with of the efficient mass transfer effect of extraction plant mixing tank A continuous phase fluid inlet 12 loaded solvents that enter by extraction plant mixing tank A10, the mixed phase that forms comes out from extraction plant mixing tank A mixed phase fluid outlet 14, enter phase splitting device B11 by extraction plant phase splitting device B mixed phase import 15, in extraction plant phase splitting device B11, 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 extraction plant mulser B18 from extraction plant phase splitting device B light phase export 16, heavy phase is then returned extraction plant mulser A1 from phosphoric acid import 8 by extraction plant phase splitting device B heavy out 17 under the effect of pump, extraction agent (from the no-load solvent of back extraction device light phase export 65) enters mulser A1 from solvent inlet 9 by extraction plant mulser import 3, extraction agent and phosphoric acid are finished the efficient mass transfer process in extraction plant mulser A1, the mixed phase that forms comes out from extraction plant mulser outlet 4, enters extraction plant phase splitting device 2 by extraction plant mixed phase import 5.In extraction plant 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 heavy out.Phosphoric acid is extracted agent extraction to be become loaded solvent and comes out from extraction plant light phase export 7, enters extraction plant mixing tank A10 through extraction plant mixing tank A continuous phase fluid inlet 12 under the effect of pump.
At washing device, the loaded solvent that comes out from washing device secondary phase splitting device 45 light phase exports, under the effect of pump, enter three grades of mulsers 53 of washing device through three grades of detergent inlet 60 of washing device through three grades of solvent inlets 61 of washing device, washing acid (purifying phosphoric acid), 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 56 of washing device, enter three grades of phase-splitting equipment 54 of washing device by three grades of mixed phase imports 57 of washing device, in three grades of phase-splitting equipment 54 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 59, heavy phase is returned washing device secondary mulser 44 by washing device heavy out 58.By three grades of washings, the impurity in the loaded solvent is washed acid elution to be become and washes spent acid and enter heavy phase and finally discharge from washing device one-level heavy out 40.
At back extraction device, with embodiment 1.
Referring to Fig. 3, adopt three grades of extractions, the phosphoric acid purification device of washing and one-level back extraction, comprise extraction plant, washing device and back extraction device, wherein: extraction plant comprises extraction plant mixing tank B27 and extraction plant phase splitting device D28, extraction plant mixing tank B27 is provided with extraction plant mixing tank B continuous phase fluid inlet 29, extraction plant mixing tank B dispersed phase fluid inlet 30 and extraction plant mixing tank B mixed phase fluid outlet 31, extraction plant phase splitting device D28 is provided with extraction plant phase splitting device D mixed phase import 32, extraction plant phase splitting device D light phase export 33 and extraction plant phase splitting device D heavy out 34, extraction plant mixing tank B mixed phase fluid outlet 31 are connected with extraction plant phase splitting device D mixed phase import 32; Extraction plant phase splitting device B light phase export 16 is connected with extraction plant mixing tank B continuous phase fluid inlet 29, extraction plant phase splitting device D heavy out 34 is connected with extraction plant mixing tank A dispersed phase fluid inlet 13, and extraction plant phase splitting device D light phase export 33 is connected with washing device one-level solvent inlet 43;
Washing device comprises three grades of mulsers 53 of washing device and three grades of phase-splitting equipment 54 of washing device, three grades of mulsers 53 of washing device are provided with three grades of mulser imports 55 of washing device and three grades of mulser outlets 56 of washing device, three grades of phase-splitting equipment 54 of washing device are provided with three grades of mixed phase imports 57 of washing device, three grades of heavy outs 58 of washing device and three grades of light phase exports 59 of washing device, three grades of detergent inlet 60 of three grades of mulser imports 55 of washing device and washing device are connected with three grades of solvent inlets 61 of washing device, and three grades of mulsers of washing device outlet 56 is connected with three grades of mixed phase imports 57 of washing device; Three grades of solvent inlets 61 of washing device secondary light phase export 50 and washing device are connected, and three grades of heavy outs 58 of washing device are connected with washing device secondary detergent inlet 51, and three grades of phase-splittings of washing device are established light phase export 59 and are connected with back extraction device solvent inlet 64.
All the other are with embodiment 1.
During use, at extraction plant, the loaded solvent that comes out from extraction plant phase splitting device B light phase export 16, enter extraction plant mixing tank B27 through extraction plant mixing tank B continuous phase fluid inlet 29 under the effect of pump, feed phosphoric acid (fresh phosphoric) enters mixing tank B27 through extraction plant mixing tank B dispersed phase fluid inlet 30; The mixed phase that forms comes out from extraction plant mixing tank B mixed phase fluid outlet 31, enter phase splitting device D28 by extraction plant phase splitting device D mixed phase import 32, in phase splitting device D28, realize the layering of mixed phase, light, the heavy two-phase that forms, most of phosphoric acid are extracted the agent extraction and enter and gently form loaded solvent mutually and come out to enter washing device from extraction plant phase splitting device D light phase export 33; Heavy phase is then come out by extraction plant phase splitting device D heavy out 34, returns extraction plant mixing tank A10 by mixing tank A dispersed phase fluid inlet 13 under the effect of pump; Loaded solvent comes out from the light phase export 7 of extraction plant phase splitting device A2, under the effect of pump, enter extraction plant mixing tank A10 through extraction plant mixing tank A continuous phase fluid inlet 12, efficient mass transfer effect by extraction plant mixing tank A10, the mixed phase that forms comes out from extraction plant mixing tank A continuous phase fluid outlet 14, enter extraction plant phase splitting device B11 by extraction plant phase splitting device B mixed phase import 15, in extraction plant phase splitting device B11, realize the layering of mixed phase, what form is light, heavy two-phase, phosphoric acid is extracted agent extraction and enters and gently form loaded solvent mutually and enter extraction plant mixing tank B27 from extraction plant phase splitting device B light phase export 16, heavy phase then by extraction plant phase splitting device B heavy out 17 under the effect of pump from extraction plant phosphoric acid import 8, extraction agent (from the no-load solvent of back extraction device light phase export 65) all enters extraction plant mulser A1 by extraction plant mulser import 3 from extraction plant solvent inlet 9, extraction agent and phosphoric acid are finished the efficient mass transfer process in mulser A1, the extraction plant mixed phase that forms comes out from extraction plant mulser A outlet 4, enters extraction plant phase splitting device A2 by extraction plant mixed phase import 5.In extraction plant phase splitting device A2, realize the layering of mixed phase, light, the heavy two-phase of formation.Impurity in the phosphoric acid enters heavy phase to be become raffinate and discharges from extraction plant heavy out 6, and phosphoric acid is extracted the agent extraction to be become loaded solvent and come out to enter extraction plant mixing tank A10 from extraction plant light phase export 7.
At washing device, with embodiment 2.
At back extraction device, with embodiment 2.
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; Mixing tank adopts Chinese patent publication number CN1807277A, open day: on 02 22nd, 2006, disclosed " a kind of multi-channeled micro-structured reactor ".
Claims (5)
1. phosphoric acid purification device, comprise extraction plant, washing device and back extraction device, it is characterized in that: extraction plant phase splitting device B light phase export (16) is connected with washing device one-level solvent inlet (43), washing device secondary light phase export (50) connects with the light import mutually of back extraction tower (64), and back extraction tower light phase export (65) is connected with extraction plant solvent inlet (9);
Extraction plant comprises extraction plant mulser A (1) and extraction plant phase splitting device A (2), extraction plant mixing tank A (10) and extraction plant phase splitting device B (11), extraction plant mulser A (1) is provided with extraction plant mulser A import (3), extraction plant mulser A exports (4), collection device phase splitting device A (2) is provided with extraction plant mixed phase import (5), extraction plant heavy out (6) and extraction plant light phase export (7), extraction plant mulser import (3) is connected with extraction plant solvent inlet (9) with extraction plant phosphoric acid import (8), and extraction plant mulser A outlet (4) is connected with extraction plant phase splitting device A mixed phase import (5); Extraction plant mixing tank A (10) is provided with extraction plant mixing tank A continuous phase fluid inlet (12), extraction plant mixing tank A dispersed phase fluid inlet (13) and extraction plant mixing tank A mixed phase fluid outlet (14), extraction plant phase splitting device B (11) is provided with extraction plant phase splitting device B mixed phase import (15), extraction plant phase splitting device B light phase export (16) and extraction plant phase splitting device B heavy out (17), and extraction plant mixing tank A continuous phase fluid outlet (14) is connected with extraction plant phase splitting device B mixed phase import (15); Extraction plant phase splitting device A light phase export (7) is connected with extraction plant mixing tank A continuous phase fluid inlet (12), and extraction plant phase splitting device B heavy out (17) is connected with extraction plant phosphoric acid import (8);
Washing device comprises washing device one-level mulser (35) and washing device one-level phase splitting device (36), washing device secondary mulser (44) and washing device secondary phase splitting device (45), washing device one-level mulser (35) is provided with washing device one-level mulser import (37) and washing device one-level mulser outlet (38), washing device one-level phase splitting device (36) is provided with washing device one-level mixed phase import (39), washing device one-level heavy out (40) and washing device one-level light phase export (41), washing device one-level mulser import (37) is connected with washing device one-level solvent inlet (43) with washing device one-level detergent inlet (42), and washing device one-level mulser outlet (38) is connected with washing device one-level mixed phase import (39); Washing device secondary mulser (44) is provided with washing device secondary mulser import (46) and washing device secondary mulser outlet (47), washing device secondary phase splitting device (45) is provided with washing device secondary mixed phase import (48), washing device secondary heavy out (49) and washing device secondary light phase export (50), washing device secondary mulser import (46) is connected with washing device secondary solvent import (52) with washing device secondary detergent inlet (51), and washing device secondary mulser outlet (47) is connected with washing device secondary mixed phase import (48); Washing device one-level light phase export (41) is connected with washing device secondary solvent import (52), and washing device secondary heavy out (49) is connected with washing device one-level detergent inlet (42);
Back extraction device comprises back extraction tower (62), back extraction tower (62) is provided with the light phase import of back extraction tower (64) de-salted water import (63), back extraction tower light phase export (65), back extraction acid outlet (66), and back extraction tower light phase export (65) is connected with extraction plant solvent inlet (9).
2. phosphoric acid purification device as claimed in claim 1, it is characterized in that: extraction plant comprises extraction plant mulser B (18) and extraction plant phase splitting device C (19), extraction plant mulser B (18) is provided with extraction plant mulser B import (20) and extraction plant mulser B outlet (21), extraction plant phase splitting device C (19) is provided with extraction plant phase splitting device C mixed phase import (22), extraction plant phase splitting device C heavy out (23) and extraction plant phase splitting device C light phase export (24), extraction plant mulser B import (20) is connected with three grades of solvent inlets of three grades of phosphoric acid imports of extraction plant (25) and extraction plant (26), and extraction plant mulser B outlet (21) is connected with extraction plant phase splitting device C mixed phase import (22); Extraction plant phase splitting device B light phase export (16) is connected with three grades of solvent inlets of extraction plant (26), extraction plant phase splitting device C heavy out (23) is connected with extraction plant mixing tank A dispersed phase fluid inlet (13), and extraction plant phase splitting device C light phase export (24) is connected with washing device one-level solvent inlet (43);
Washing device comprises three grades of mulsers of washing device (53) and three grades of phase-splitting equipment of washing device (54), three grades of mulsers of washing device (53) are provided with three grades of mulser imports of washing device (55) and three grades of mulser outlets of washing device (56), three grades of phase-splitting equipment of washing device (54) are provided with three grades of mixed phase imports of washing device (57), three grades of light phase exports of three grades of heavy outs of washing device (58) and washing device (59), three grades of mulser imports of washing device (55) are connected with three grades of solvent inlets of three grades of detergent inlet of washing device (60) and washing device (61), and three grades of mulser outlets of washing device (56) are connected with three grades of mixed phase imports of washing device (57); Washing device secondary light phase export (50) is connected with three grades of solvent inlets of washing device (61), three grades of heavy outs of washing device (58) are connected with washing device secondary detergent inlet (51), and three grades of phase-splittings of washing device are established light phase export (59) and are connected with back extraction device solvent inlet (64).
3. phosphoric acid purification device as claimed in claim 1, it is characterized in that: extraction plant comprises extraction plant mixing tank B (27) and extraction plant phase splitting device D (28), extraction plant mixing tank B (27) is provided with extraction plant mixing tank B continuous phase fluid inlet (29), extraction plant mixing tank B dispersed phase fluid inlet (30) and extraction plant mixing tank B mixed phase fluid outlet (31), extraction plant phase splitting device D (28) is provided with extraction plant phase splitting device D mixed phase import (32), extraction plant phase splitting device D light phase export (33) and extraction plant phase splitting device D heavy out (34), extraction plant mixing tank B mixed phase fluid outlet (31) is connected with extraction plant phase splitting device D mixed phase import (32); Extraction plant phase splitting device B light phase export (16) is connected with extraction plant mixing tank B continuous phase fluid inlet (29), extraction plant phase splitting device D heavy out (34) is connected with extraction plant mixing tank A dispersed phase fluid inlet (13), and extraction plant phase splitting device D light phase export (33) is connected with washing device one-level solvent inlet (43);
Washing device comprises three grades of mulsers of washing device (53) and three grades of phase-splitting equipment of washing device (54), three grades of mulsers of washing device (53) are provided with three grades of mulser imports of washing device (55) and three grades of mulser outlets of washing device (56), three grades of phase-splitting equipment of washing device (54) are provided with three grades of mixed phase imports of washing device (57), three grades of light phase exports of three grades of heavy outs of washing device (58) and washing device (59), three grades of mulser imports of washing device (55) are connected with three grades of solvent inlets of three grades of detergent inlet of washing device (60) and washing device (61), and three grades of mulser outlets of washing device (56) are connected with three grades of mixed phase imports of washing device (57); Washing device secondary light phase export (50) is connected with three grades of solvent inlets of washing device (61), three grades of heavy outs of washing device (58) are connected with washing device secondary detergent inlet (51), and three grades of phase-splittings of washing device are established light phase export (59) and are connected with back extraction device solvent inlet (64).
4. as the described phosphoric acid purification device of one of claim 1-3, it is characterized in that: phase splitting device is phase-splitting groove or clarifying tank.
5. phosphoric acid purification device as claimed in claim 4 is characterized in that: mulser is the pipeline high-shearing dispersion emulsifying machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201889886U CN201670729U (en) | 2010-05-13 | 2010-05-13 | Phosphoric acid purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201889886U CN201670729U (en) | 2010-05-13 | 2010-05-13 | Phosphoric acid purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670729U true CN201670729U (en) | 2010-12-15 |
Family
ID=43328141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201889886U Expired - Fee Related CN201670729U (en) | 2010-05-13 | 2010-05-13 | Phosphoric acid purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201670729U (en) |
-
2010
- 2010-05-13 CN CN2010201889886U patent/CN201670729U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201427862Y (en) | Phosphoric acid purification device | |
| CN201427865Y (en) | Phosphoric acid purification device | |
| CN201427867Y (en) | Phosphoric acid purification device | |
| CN201427861Y (en) | Phosphoric acid purification device | |
| CN201670729U (en) | Phosphoric acid purification device | |
| CN101927986B (en) | Phosphoric acid purification device | |
| CN201458737U (en) | Device for purifying phosphoric acid | |
| CN201427868Y (en) | Phosphoric acid purification device | |
| CN201427869Y (en) | Phosphoric acid purification device | |
| CN201694845U (en) | Phosphoric acid purifying device | |
| CN201670728U (en) | Phosphoric acid purifier | |
| CN201427864Y (en) | Phosphoric acid purification device | |
| CN201458741U (en) | Device for purifying phosphoric acid | |
| CN201458738U (en) | Device for purifying phosphoric acid | |
| CN201433105Y (en) | Phosphoric acid purifying device | |
| CN201458736U (en) | Device for purifying phosphoric acid | |
| CN201495100U (en) | Phosphoric acid purifying device | |
| CN201427863Y (en) | Phosphoric acid purification device | |
| CN201458734U (en) | Device for purifying phosphoric acid | |
| CN201458739U (en) | Device for purifying phosphoric acid | |
| CN201427866Y (en) | Phosphoric acid purification device | |
| CN201534773U (en) | Purification device of phosphoric acid | |
| CN201495099U (en) | Phosphoric acid purifying device | |
| CN201458735U (en) | Device for purifying phosphoric acid | |
| CN201864570U (en) | Phosphoric acid purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20190513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |