CN201719863U - Wet phosphoric acid extraction and purification device - Google Patents
Wet phosphoric acid extraction and purification device Download PDFInfo
- Publication number
- CN201719863U CN201719863U CN2010202409284U CN201020240928U CN201719863U CN 201719863 U CN201719863 U CN 201719863U CN 2010202409284 U CN2010202409284 U CN 2010202409284U CN 201020240928 U CN201020240928 U CN 201020240928U CN 201719863 U CN201719863 U CN 201719863U
- Authority
- CN
- China
- Prior art keywords
- tower
- extraction
- mixer
- extraction tower
- pipeline
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a wet phosphoric acid extraction and purification device. The device consists of an extraction tower (1), a washing tower (2), a back-extraction tower (3), a conveying pump (4) and a pipeline for connecting the towers, wherein all the three towers are rotating disc towers; an organic phase clarifying chamber (5) of the extraction tower (1) is communicated with the lower part of a mixing section of the washing tower (2) through a pipeline; the upper part of the extraction tower is provided with a crude acid inlet, the middle part is provided with an inorganic acid outlet, the lower part is provided with a pipeline connected with an organic phase outlet (3) of the back-extraction tower and the bottom is provided with a heavy phase outlet after extraction; the organic phase clarifying chamber (5) of the washing tower (2) is communicated with the lower part of the mixing section of the back-extraction tower (3) through a pipeline; the upper part of the washing tower is provided with a cleaning solution inlet and the bottom is provided with a pipeline connected to a crude acid inlet pipe of the extraction tower (1) through the conveying pump (4); an organic phase of the back-extraction tower (3) is communicated with the lower part of the mixing section of the extraction tower (1); and the upper part of the back-extraction tower is provided with a back-extraction water inlet and the bottom is provided with a back-extraction acid outlet. Compared with the prior art, the device has the advantages of small floor area, solvent saving, simple structure, convenience in operation, easiness in installation, low maintenance cost and high yield.
Description
Technical field
The utility model relates to phosphoric acid, specifically, relates to the equipment of solvent extraction purification phosphoric acid by wet process.
Background technology
As everyone knows, the purification method of phosphoric acid by wet process mainly contains chemical precipitation method, ion-exchange, solvent extraction and crystallisation.In above method, solvent extraction is because production capacity is big, and strong operability has been carried out extensive studies and employing in various countries.
Mainly comprise preliminary treatment, extraction, washing, back extraction, processing step such as concentrate with the technology of phosphoric acid by wet process solvent extraction purifying phosphoric acid, wherein extract, washing, back extraction be trunk technology.The device supporting with extraction, washing and stripping process is generally the slot type structure, is referred to as extraction tank, sink, back extraction groove, its shortcoming is: the solvent storage is big, and floor space is big, and every grade all needs power to stir, complex structure, operate loaded down with trivial details, the operation and maintenance cost height.
In the Chinese patent database, the patent relevant with the solvent extraction purification of wet process phosphoric acid has: 02133871.X number " a kind of extraction equipment of phosphoric acid by wet process " and No. 200410081600 " a kind of production technology of purification of wet process phosphoric acid and equipment thereof ".These patented technologies have its characteristics, but still there is the equipment complexity in extraction process, moves unfavorable defective.
Summary of the invention
The purpose of this utility model is to provide a kind of device of phosphoric acid by wet process extracting and purifying, to overcome the deficiencies in the prior art, realizes phosphoric acid by wet process extraction equipment centralized operation, reduces and take up an area of.
Designer's technical scheme is: change extraction, washing and the back extraction device of slot type structure into tower structure, use the concentric circles rotating disc column, form the solvent extraction purification phosphoric acid plant of three tower bodies system, phosphoric acid, extractant, back extraction pure water are carried by the outer delivery pump of tower.The device of the phosphoric acid by wet process extracting and purifying that for this reason provides is made up of extraction tower, scrubbing tower, back extraction tower, delivery pump and the pipeline that is connected each tower, and described extraction tower, scrubbing tower, back extraction tower are rotating disc column; Wherein, the extraction tower top has pipeline to be connected with scrubbing tower, and the raw material acid import is arranged at top, and there is the inorganic acid import at the middle part, and the bottom has pipeline to be connected with the organic facies outlet of back extraction tower, and the heavy out after the extraction is arranged at the bottom; The scrubbing tower top has pipeline to be connected with the back extraction tower, and the cleaning solution import is arranged at top, and the bottom has pipeline to be connected to the raw material acid inlet tube of extraction tower by delivery pump; The back extraction top of tower has the organic facies outlet to be connected with extraction tower, and the back extraction water inlet is arranged at top, and back extraction acid outlet is arranged at the bottom.
Above-mentioned rotating disc column by driving mechanism, rotating disc column tower body, rotating shaft and on rotating disk, organic facies clarifying chamber, mixer, sour phase clarifying chamber combine; Driving mechanism comprises motor and decelerator, is installed in top of tower, and the axle of motor and decelerator is connected with rotating shaft, driven rotary axle and rotating disk rotation; Tower top is the organic facies clarifying chamber; The middle part is a mixer, and it is one section overall structure, and inner wall of tower is installed equidistant retainer ring; The bottom is sour phase clarifying chamber.
Above-mentioned motor has frequency converter, and its rotating speed passes through Frequency Converter Control.
The equidistant retainer ring that above-mentioned mixer is installed is 10～30 layers; Between mixer and the organic clarifying chamber sieve plate, mixer and the sour sieve plate that also is equipped with between the clarifying chamber mutually are housed; Tower body mixer skin installs insulation jacket additional; Disk on the rotating shaft is equipped with the blade of 2～8 symmetries.
Using method of the present utility model is: raw material phosphoric acid enters by the heavy phase import of extraction tower top, and solvent enters by the light phase charging aperture in rotating disc column bottom, and counter-current extraction adds inorganic acid at the rotating disc column middle part; Heavy phase after extraction is discharged continuously by tower body bottom liquid outlet, enters to produce the fertilizer grade product systems; Organic facies after the extraction is a continuous phase, discharges from the rotating disc column top and enters the scrubbing tower bottom, and cleaning solution enters from the scrubbing tower upper inlet, the two phase countercurrent flow washing; Washing gained phosphoric acid is delivered to extraction tower by delivery pump and is used for phosphoric acid extraction once more; Organic facies after washing is discharged from the rotating disc column top and is entered the light phase charging aperture in back extraction tower bottom, and pure water enters from back extraction tower top charge door, the two phase countercurrent flow extraction; Back extraction gained phosphoric acid is except that a part is used as washing, and all the other phosphoric acid enter subsequent processing and carry out desulfurization or directly use.
With comparing of prior art, the utlity model has following useful effect: 1. do not need the intermediate buffering groove between tower and the tower, reduced floor space, reduce the occupancy of solvent, driving mechanism is few, and maintenance cost is low; Because tower top increases the clarifying chamber is arranged, and is difficult for emulsification, can realize big flux, production capacity is big; The heightening efficiency height.2. the skin of mixer installs insulation jacket additional, has realized extraction, washing, the different temperature requirement of back extraction.3. extraction tower middle part liquid phase import charging aperture is provided with, and can add the inorganic acid that strengthens the aqueous phase system hydrogen ion concentration by this charging aperture, realizes efficiently extraction.4. the agitation strength of rotating disk and linear velocity are conveniently adjusted to the speed and the intensity that are fit to material properties by reductor and Frequency Converter Control; 5. the disk on the rotating shaft has installed blade additional, strengthened solvent mutually and water contact effect and dispersion effect; 6. between tower body and the organic facies clarifying chamber, tower body and the sour sieve plate that is equipped with between the clarifying chamber mutually play the effect that prevents disturbance, to realize that solvent mutually and fully the separating of water, has reduced liquid flooding and axially mixing.
Description of drawings
Fig. 1 is a structure chart of the present utility model, and Fig. 2 is the sieve-plate structure schematic diagram, and Fig. 3 is the rotating disc column structure chart, and Fig. 4 is the blade structural representation, and Fig. 5 is the schematic diagram of rotating disk, and Fig. 6 is rotating shaft and tumbler structure chart.
Among the figure, 1 is extraction tower, and 2 is scrubbing tower, 3 are the back extraction tower, and 4 is delivery pump, and 5 is the organic facies clarifying chamber, 6 is light phase export, and 7 is last peephole, and 8 is upper sieve plate, 9 is ear formula journal stirrup, and 10 is retainer ring, and 11 is rotating shaft, 12 is insulation jacket, and 13 are following sieve plate, and 14 is sour phase clarifying chamber, 15 are following peephole, and 16 export mutually for acid, and 17 is light phase import, 18 are the liquid phase outlet, and 19 is tower body, and 20 is the heavy phase import, 21 is the transmission device support system, 22 is the reductor frame, and 23 is reductor, and 24 is motor, 25 is blade, and 26 is rotating disk.
The specific embodiment
Embodiment: as the device of the phosphoric acid by wet process extracting and purifying of Fig. 1, device is made up of extraction tower 1, scrubbing tower 2, back extraction tower 3, delivery pump 4 and the pipeline that is connected each tower, and described extraction tower 1, scrubbing tower 2, back extraction tower 3 are rotating disc column; Wherein, the organic facies clarifying chamber 5 at extraction tower 1 top is communicated with the mixer bottom of scrubbing tower 2 by pipeline, and the raw material acid import is arranged at top, and there is the inorganic acid import at the middle part, the bottom has pipeline to be connected with the organic facies outlet of back extraction tower, and the heavy out after the extraction is arranged at the bottom; The organic facies clarifying chamber 5 at scrubbing tower 2 tops is communicated with the mixer bottom of back extraction tower 3 by pipeline, and the cleaning solution import is arranged at top, and the bottom has pipeline to be connected to the raw material acid inlet tube of extraction tower by delivery pump; The organic facies of back extraction tower 3 has pipeline to be communicated with the mixer of extraction tower 1, and the back extraction water inlet is arranged at top, and back extraction acid outlet is arranged at the bottom.
The structure of rotating disc column is mainly combined by driving mechanism 24, organic clarifying chamber 5, mixer, sour phase clarifying chamber 14, rotating shaft 11 as shown in Figure 3.Organic facies clarifying chamber 5, mixer, sour phase clarifying chamber 14 are hollow cylinder, adopt the steel material of anti-SPA and sulfuric acid mixed acid to make, its sidewall of organic facies settling section has organic facies outlet 6, and observation visor 7 is installed, its material is a high-strength transparence glass, and tower top cover is arranged at its top; The hollow cylinder that acid phase clarifying chamber 14 also adopts steel to make, its bottom has acid and exports 16 mutually, and the observation visor is installed, and observes the visor high-strength transparence glass of sampling too.Mixer is made of a whole hollow cylinder, top and the bottom are connected by flange with sour clarifying chamber mutually with the organic facies clarifying chamber respectively, mixer tower wall has the equidistant retainer ring 10 that identical size is installed, mixer top has heavy phase charging aperture 20, the mixer bottom has light phase charging aperture 17, and there is liquid phase charging aperture opening 18 at extraction rotating disc column mixer middle part; Mixer is equipped with insulation jacket 12.
Rotating shaft 11 is connected with reductor on the driving mechanism, installs on the rotating shaft 11 equidistantly and identical big roundel 26, and the disk position is between the respective fixation ring 10 of tower wall, and each disk all is equipped with the blade 25 of four symmetries.
Between mixer and the organic facies clarifying chamber sieve plate 8, mixer and the sour sieve plate 13 that is equipped with between the clarifying chamber mutually are housed.
Claims (4)
1. the device of a phosphoric acid by wet process extracting and purifying, it is characterized in that this device is made up of with the pipeline that is connected each tower extraction tower (1), scrubbing tower (2), back extraction tower (3), delivery pump (4), described extraction tower (1), scrubbing tower (2), back extraction tower (3) are rotating disc column; Wherein, the organic facies clarifying chamber (5) at extraction tower (1) top is communicated with by the mixer bottom of pipeline with scrubbing tower (2), and the raw material acid import is arranged at top, and there is the inorganic acid import at the middle part, the bottom has pipeline to be connected with back extraction tower organic facies outlet (3), and the heavy out after the extraction is arranged at the bottom; The organic facies clarifying chamber (5) at scrubbing tower (2) top is communicated with by the mixer bottom of pipeline with back extraction tower (3), the cleaning solution import is arranged at top, the bottom has pipeline to be connected with the import of delivery pump (4), and delivery pump (4) outlet has pipeline to be connected to the raw material acid inlet tube of extraction tower (1); The organic facies of back extraction tower (3) is communicated with the mixer of extraction tower (1), and the back extraction water inlet is arranged at top, and back extraction acid outlet is arranged at the bottom.
2. device as claimed in claim 1, it is characterized in that described rotating disc column by driving mechanism, tower body, rotating shaft (11) and on rotating disk (26), organic facies clarifying chamber (5), mixer, sour phase clarifying chamber (14) combine; Driving mechanism comprises motor (24) and decelerator (23), is installed in top of tower, and the axle of motor (24) and decelerator (23) is connected with rotating shaft (11); Tower top is organic facies clarifying chamber (5); The middle part is a mixer, and it is one section overall structure, and inner wall of tower is installed equidistant retainer ring (10); The bottom is sour phase clarifying chamber (14).
3. device as claimed in claim 2 is characterized in that described motor (24) has frequency converter.
4. device as claimed in claim 2 is characterized in that the equidistant retainer ring (10) that described mixer is installed is 10～30 layers; Be equipped with between sieve plate (8), mixer and the sour clarifying chamber mutually (14) between mixer and organic clarifying chamber (5) sieve plate (13) also is housed; Tower body mixer skin is equipped with insulation jacket (12); Rotating disk (26) on the rotating shaft (11) is equipped with the blade (25) of 2～8 symmetries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202409284U CN201719863U (en) | 2010-06-29 | 2010-06-29 | Wet phosphoric acid extraction and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202409284U CN201719863U (en) | 2010-06-29 | 2010-06-29 | Wet phosphoric acid extraction and purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719863U true CN201719863U (en) | 2011-01-26 |
Family
ID=43488137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202409284U Expired - Lifetime CN201719863U (en) | 2010-06-29 | 2010-06-29 | Wet phosphoric acid extraction and purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719863U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847341A (en) * | 2012-09-04 | 2013-01-02 | 四川大学 | Wheel disk type liquid-liquid extraction tower |
| CN103771378A (en) * | 2013-12-16 | 2014-05-07 | 四川川恒化工股份有限公司 | Method for reversely extracting and co-production of industrial-grade phosphate by using phosphate mother liquor for wet-method purification phosphoric acid |
| CN108236791A (en) * | 2016-12-23 | 2018-07-03 | 蔺钰桢 | A kind of micro- mixed dodge extracts efficient extraction plant and application method |
| CN109621485A (en) * | 2018-12-13 | 2019-04-16 | 中石化炼化工程（集团）股份有限公司 | A kind of device and method of solvent extraction product |
| CN109928373A (en) * | 2019-03-14 | 2019-06-25 | 广西川金诺化工有限公司 | A kind of production method and device by solvent extraction purifying low-concentration phosphoric acid by wet process |
| CN110694299A (en) * | 2019-09-24 | 2020-01-17 | 浙江工程设计有限公司 | Extraction tower |
| CN113332749A (en) * | 2021-05-28 | 2021-09-03 | 温兄控股集团股份有限公司 | Multidirectional dynamic continuous extraction device and method thereof |
| CN114653095A (en) * | 2022-04-27 | 2022-06-24 | 宜都兴发化工有限公司 | Wet-process phosphoric acid purification and extraction device and method |
-
2010
- 2010-06-29 CN CN2010202409284U patent/CN201719863U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847341A (en) * | 2012-09-04 | 2013-01-02 | 四川大学 | Wheel disk type liquid-liquid extraction tower |
| CN102847341B (en) * | 2012-09-04 | 2014-12-24 | 四川大学 | Wheel disk type liquid-liquid extraction tower |
| CN103771378A (en) * | 2013-12-16 | 2014-05-07 | 四川川恒化工股份有限公司 | Method for reversely extracting and co-production of industrial-grade phosphate by using phosphate mother liquor for wet-method purification phosphoric acid |
| CN103771378B (en) * | 2013-12-16 | 2016-02-10 | 贵州川恒化工股份有限公司 | The Wet Phosphoric Acid Market method of phosphoric acid salt mother liquor back extraction coproduction industrial grade phosphate |
| CN108236791A (en) * | 2016-12-23 | 2018-07-03 | 蔺钰桢 | A kind of micro- mixed dodge extracts efficient extraction plant and application method |
| CN109621485A (en) * | 2018-12-13 | 2019-04-16 | 中石化炼化工程（集团）股份有限公司 | A kind of device and method of solvent extraction product |
| CN109928373A (en) * | 2019-03-14 | 2019-06-25 | 广西川金诺化工有限公司 | A kind of production method and device by solvent extraction purifying low-concentration phosphoric acid by wet process |
| CN110694299A (en) * | 2019-09-24 | 2020-01-17 | 浙江工程设计有限公司 | Extraction tower |
| CN113332749A (en) * | 2021-05-28 | 2021-09-03 | 温兄控股集团股份有限公司 | Multidirectional dynamic continuous extraction device and method thereof |
| CN114653095A (en) * | 2022-04-27 | 2022-06-24 | 宜都兴发化工有限公司 | Wet-process phosphoric acid purification and extraction device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201719863U (en) | Wet phosphoric acid extraction and purification device | |
| CN104773919B (en) | A kind of pharmacy waste water advanced treatment system | |
| CN100486664C (en) | Air assisted solvent extraction method and equipment | |
| CN102992433B (en) | Extraction recovery method of waste water produced by naphthalene-series dye intermediate | |
| CN102974128B (en) | Centrifugal stirring extraction tower | |
| CN103613169A (en) | Device and technology for processing degradation-resistant waste water through hypergravity multistage sacrificial anode electro-Fenton method | |
| CN105085169A (en) | Method for producing KA oil and adipic acid by utilizing air oxidized cyclohexane based on improved reaction-separation synchronous reactor | |
| CN102942235B (en) | Stirring extraction tower-back extraction tower combined device for processing high chemical oxygen demand (COD) waste water and technology of combined device | |
| CN102311419A (en) | Refining and purification method of high content EGCG | |
| CN101955445B (en) | Process for extracting and washing cyclohexane oxime | |
| CN102698467A (en) | Method for extracting and purifying natural uranium by using vibrating ring-shaped traverse baffle extracting tower | |
| CN111718242A (en) | CBD extraction device and method | |
| CN103709152B (en) | A kind of separation purification method of puerarin | |
| CN202945078U (en) | Improved-blade stirring type extraction tower | |
| CN202207478U (en) | Solid-liquid separator of mixer-settler for extraction | |
| CN206188484U (en) | Anaerobic reactor is scratched in layering stirring circulation | |
| CN203922822U (en) | A kind of coagulating sedimentation sewage disposal integrated device | |
| CN202237406U (en) | Automatic clarificator | |
| CN206715368U (en) | A kind of annulus type centrifugal extractor for cephalo-type series parent nucleus production | |
| CN214361091U (en) | Calcium pantothenate production system | |
| CN204865076U (en) | Turbine extraction tower device with become aperture column plate | |
| CN209835904U (en) | Activated carbon sewage purification device | |
| CN102847507A (en) | Composite absorption material for removing sulfates in water, and preparation method thereof | |
| CN102234233A (en) | Method for extracting organic matters from waste acid during nitrochlorobenzene production | |
| CN102372624A (en) | Method for extracting sodium gulonate from sodium gulonate fermented liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUIZHOU CHANHEN CHEMICAL CO., LTD. Free format text: FORMER NAME: GUIZHOU CHUANHENG CHEMICAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 550500 Guizhou Province, Qiannan Buyei and Miao Autonomous Prefecture Fuquan City Longchang town Guizhou CHUANHENG chemical Limited by Share Ltd Patentee after: GUIZHOU CHANHEN CHEMICAL CO., LTD. Address before: 550500 Guizhou province Fuquan City Longchang town CHUANHENG company Patentee before: Guizhou Chuanheng Chemical Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |