CN205634898U - Can form phosphoric acid by wet process extraction device of percussion flow - Google Patents
Can form phosphoric acid by wet process extraction device of percussion flow Download PDFInfo
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- CN205634898U CN205634898U CN201620368798.XU CN201620368798U CN205634898U CN 205634898 U CN205634898 U CN 205634898U CN 201620368798 U CN201620368798 U CN 201620368798U CN 205634898 U CN205634898 U CN 205634898U
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Abstract
Can form phosphoric acid by wet process extraction device of percussion flow, including extraction tank, first draft tube, second draft tube, first stirring rake, second stirring rake, (mixing) shaft, driving motor, first inlet pipe, second inlet pipe, first support and second support. First draft tube, second draft tube are separated by an interval through first support, second support respectively and are installed in the extraction tank, the power output shaft that shaft coupling and driving motor are passed through to the one end of (mixing) shaft is connected, and the other end passes the extraction tank lateral wall and inserts first draft tube and second draft tube, first stirring rake, second stirring rake are installed on the (mixing) shaft, and just first stirring rake is located first draft tube, and the second stirring rake is located second draft tube, the paddle of first stirring rake and the paddle reverse installation of second stirring rake. Above -mentioned extraction device enables to be purified phosphoric acid by wet process and extractant formation percussion flow to reinforce the mass transfer, the shortening reaction time.
Description
Technical field
This utility model belongs to Purification of Wet process Phosphoric Acid by Solvent Extraction field, more particularly to the phosphoric acid by wet process extraction forming percussion flow
Device.
Background technology
Phosphoric acid by wet process is prepared by mineral acid decomposing phosphate rock, and energy consumption and cost are far below thermal phosphoric acid.But phosphoric acid by wet process contains due to impurity
Amount height, high-purity phosphoric acid to be obtained or high-quality phosphate product need to be purified further.Wet phosphoric acid purifying method includes chemistry
The sedimentation method, crystallization process, ion exchange, electrodialysis concentration method and organic solvent extractionprocess etc., use organic solvent at present
Extraction.In prior art, the slot type extraction equipment that organic solvent extractionprocess is used mainly is made up of extraction tank and agitator,
Agitator includes driving motor, shaft and the stirring paddle being arranged on shaft, carries out thereby through described slot type extraction equipment
Extraction there is the shortcomings such as mass transfer area is less, mass transfer rate is slower, cause the response time longer, phosphoric acid extraction rate is difficult to relatively
The short time reaches balance, and extraction energy consumption is difficult to reduce, and the volume of extraction equipment is difficult to reduce.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that can form the phosphoric acid by wet process extraction equipment of percussion flow,
To shorten the response time of phosphoric acid by wet process extraction, reduce extraction energy consumption and reduce the volume of extraction equipment.
The phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model, has two kinds of versions, but they belongs to one
Total utility model design.
The phosphoric acid by wet process extraction equipment that can form percussion flow of the first version:
The phosphoric acid by wet process extraction equipment that can form percussion flow of the first version that this utility model provides, including extraction tank,
First guide shell, the second guide shell, the first stirring paddle, the second stirring paddle, shaft, driving motor, first enter
Material pipe, the second feed pipe, the first support and the second support；Described extraction tank side wall upper part is provided with overfall, extraction tank sidewall
Bottom or diapire are provided with leakage fluid dram, and described first guide shell, the second guide shell are separated by by the first support, the second support respectively
One spacing is arranged in extraction tank and the first guide shell, the second guide shell centrage point-blank, the first guide shell and the
One end that two guide shells are adjacent be discharge end, the other end be feed end, the second guide shell and the adjacent one end of the first guide shell are for going out
Material end, the other end is feed end, and described first feed pipe is arranged on extraction tank and leans on the sidewall of the first guide shell feed end, first
The discharge end of feed pipe is positioned at the first guide shell, and described second feed pipe is arranged on the extraction tank side by the second guide shell feed end
On wall, the discharge end of the second feed pipe is positioned at the second guide shell；The installation site of described driving motor should make its power output shaft
Centrage and the first guide shell and the second guide shell centrage point-blank, shaft coupling is passed through in one end of described shaft
Being connected with the power output shaft driving motor, the other end of shaft inserts the first guide shell and the second water conservancy diversion through extraction tank sidewall
Cylinder, described first stirring paddle, the second stirring paddle be arranged on shaft, and the first stirring paddle is positioned at the first guide shell, and second
Stirring paddle is positioned at the second guide shell, and the blade of the first stirring paddle and the blade of the second stirring paddle are reversely installed.
The phosphoric acid by wet process extraction equipment that can form percussion flow of the second version:
The phosphoric acid by wet process extraction equipment that can form percussion flow of the second version that this utility model provides, including extraction tank,
First guide shell, the second guide shell, the first stirring paddle, the second stirring paddle, the first shaft, the second shaft, the first driving
Motor, the second driving motor, the first feed pipe, the second feed pipe, the first support and the second support；On described extraction tank sidewall
Portion is provided with overfall, extraction tank lower sidewall or diapire and is provided with leakage fluid dram, and described first guide shell, the second guide shell are respectively
It is separated by a spacing is arranged on extraction tank by the first support, the second support and the centrage of the first guide shell, the second guide shell exists
On straight line, the first guide shell and the adjacent one end of the second guide shell be discharge end, the other end be feed end, the second guide shell
One end adjacent with the first guide shell is discharge end, and the other end is feed end, and described first feed pipe is arranged on extraction tank by first
On the sidewall of guide shell feed end, the discharge end of the first feed pipe is positioned at the first guide shell, and described second feed pipe is arranged on extraction
Taking groove to lean on the sidewall of the second guide shell feed end, the discharge end of the second feed pipe is positioned at the second guide shell；Described first drives
Motor is arranged on the extraction tank side by the first guide shell feed end, the centrage of its power output shaft and the center of the first guide shell
Point-blank, described second drives motor to be arranged on the extraction tank side by the second guide shell feed end to line, and its power exports
Point-blank, shaft coupling and first is passed through in one end of described first shaft for the centrage of axle and the centrage of the second guide shell
The power output shaft driving motor connects, and the other end of the first shaft inserts the first guide shell through extraction tank sidewall, and described the
One end of two shafts drives the power output shaft of motor to connect by shaft coupling and second, and the other end of the second shaft is through extraction
Taking groove sidewall and insert the second guide shell, described first stirring paddle, the second stirring paddle are separately mounted to the first shaft, the second stirring
On axle, and the blade of the blade of the first stirring paddle and the second stirring paddle is reversely installed.
The above-mentioned phosphoric acid by wet process extraction equipment that can form percussion flow, spacing b preferably 10 between the first guide shell, the second guide shell
Mm～15mm.
The above-mentioned phosphoric acid by wet process extraction equipment that can form percussion flow, the outer wall around extraction tank can be provided for the folder heated or be incubated
Set, to facilitate the extraction temperature maintaining phosphoric acid by wet process.
Use the above-mentioned phosphoric acid by wet process extraction equipment that can form percussion flow to extract, operate as follows:
Phosphoric acid by wet process will be cleaned and extractant will be preheating to 40～60 DEG C respectively, then will preheating after be cleaned phosphoric acid by wet process and extraction
Take agent and send in the first guide shell, the second guide shell by the first feed pipe, the second feed pipe respectively, open simultaneously and drive motor
Making the first stirring paddle and the work of the second stirring paddle, form biphase percussion flow between the first guide shell and the second guide shell, two bump against
Hit stream and after 10～20min mass transfers, complete extraction formation extract at 55～65 DEG C.
Being in a ratio of (3～4) of organic facies (extractant) and aqueous phase (being cleaned phosphoric acid by wet process) during extraction: 1, the first stirring paddle and
The rotating speed of the second stirring paddle is 500～600r/min.
The principle of percussion flow strengthening phosphoric acid by wet process extraction: be cleaned phosphoric acid by wet process and extractant at the first guide shell and the second guide shell
Between the biphase percussion flow that formed relatively flow shocks so that side fluid particles penetrates into fluid in opposite directions through striking face, and
Return and do convergent oscillation campaign, produce a high turbulence district, clash into the broken and abrasion that can cause drop or granule, promote surface
Update and make its surface area increase, bringing the turbulence of height and the biggest alternate relative velocity, thus carry for strengthening mass transfer, heat transfer
Supply advantage.Owing to percussion flow has the advantage of uniqueness in terms of the contact of hardening constituent border and microcosmic mixing, therefore by percussion flow
Technology is applied to phosphoric acid by wet process extraction to promote that the microcosmic mixing of liquid phase has huge potentiality.
Compared with prior art, this utility model has the advantages that
1, this utility model is that the extraction of phosphoric acid by wet process provides a kind of novel extraction apparatus, uses this extraction equipment can make to be cleaned
Phosphoric acid by wet process and extractant form percussion flow, to strengthen mass transfer, shorten the response time.
2, using extraction equipment described in the utility model, phosphoric acid extraction rate can be greatly shortened and reach the time of balance, test shows,
Phosphoric acid extraction rate basically reaches balance (see embodiment 3) after 10min, and uses existing slot type extraction equipment, phosphoric acid extraction rate
The time reaching balance needs 30min (see comparative example).
3, the time reaching to balance due to phosphoric acid extraction rate is greatly shortened, thus extraction equipment described in the utility model not only can drop
Low extraction energy consumption, and the volume of extraction equipment can be reduced, less slot type extraction equipment realizes the extraction of phosphoric acid by wet process,
Accompanying drawing explanation
Fig. 1 is the first structural representation of the phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model；
Fig. 2 is the second structural representation of the phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model；
Fig. 3 is that in the phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model, first guide shell, the second guide shell exist
Relative position view in extraction tank；
Fig. 4 be the first guide shell in the phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model, the second guide shell with
The link combination schematic diagram of extraction tank；
Fig. 5 is the principle schematic of percussion flow strengthening phosphoric acid by wet process extraction.
In figure, 1 extraction tank, 2 second feed pipes, 3 first feed pipes, 4 drive motor, 5 overfalls, 6 folders
Set, 7 shafts, 8 first stirring paddles, 9 second stirring paddles, 10 first guide shells, 11 second guide shells, 12
First support, 13 second supports, 14 leakage fluid drams, 15 first driving motors, 16 second driving motors, 17 first
Shaft, 18 second shafts, the spacing between b the first guide shell and the second guide shell.
Detailed description of the invention
By embodiment, the phosphoric acid by wet process extraction equipment that can form percussion flow described in the utility model is made further below in conjunction with the accompanying drawings
Explanation.
Embodiment 1
In the present embodiment, the phosphoric acid by wet process extraction equipment of percussion flow can be formed as it is shown in figure 1, include extraction tank the 1, first water conservancy diversion
Cylinder 10, second guide shell the 11, first stirring paddle the 8, second stirring paddle 7, driving motor 4, first of 9, shaft
Feed pipe the 3, second feed pipe the 2, first support 12 and the second support 13；Described extraction tank 1 left side wall top is provided with overflow
Mouth 5, extraction tank diapire are provided with leakage fluid dram 14, and the outer wall around extraction tank is provided with the chuck 6 for heating or be incubated；Institute
State first guide shell the 10, second guide shell 11 to be separated by spacing b be arranged on extraction by first support the 12, second support 13 respectively
Take in groove and the centrage of first guide shell the 10, second guide shell 11 is point-blank (see Fig. 3, Fig. 4), described spacing
B=10mm, the right-hand member of the first guide shell 10 and the second guide shell 11 is adjacent and for discharge end, the left end of the first guide shell 10 is
Feed end, the left end of the second guide shell 11 and the first guide shell 10 is adjacent and for discharge end, the second guide shell 11 right-hand member for entering
Material end；Described first feed pipe 3 is arranged on extraction tank and leans on the sidewall of the first guide shell feed end, the discharge end of the first feed pipe
Being positioned at the first guide shell 10, described second feed pipe 2 is arranged on extraction tank and leans on the sidewall of the second guide shell feed end, and second
The discharge end of feed pipe is positioned at the second guide shell 11；Described driving motor 4 is arranged on the right side of extraction tank, and installation site should make
The centrage of its power output shaft and the centrage of the first guide shell 10 and the second guide shell 11 point-blank, described stirring
One end of axle 7 is connected with the power output shaft driving motor 4 by shaft coupling, and the other end of shaft 7 passes extraction tank sidewall
Inserting the first guide shell 10 and the second guide shell 11, described first stirring paddle the 8, second stirring paddle 9 is arranged on shaft, and
First stirring paddle 8 is positioned at the first guide shell 10, and the second stirring paddle 9 is positioned at the second guide shell 11, the first stirring paddle 8
The blade of blade and the second stirring paddle 9 is reversely installed.
Embodiment 2
In the present embodiment, the phosphoric acid by wet process extraction equipment of percussion flow can be formed as in figure 2 it is shown, include extraction tank the 1, first water conservancy diversion
Cylinder 10, second guide shell the 11, first stirring paddle the 8, second stirring paddle the 9, first shaft the 17, second shaft 18, first
Motor 15, second is driven to drive motor the 16, first feed pipe the 3, second feed pipe the 2, first support 12 and the second support 13；
Described extraction tank 1 rear wall top is provided with overfall 5, extraction tank diapire is provided with leakage fluid dram 14, described first guide shell 10,
Second guide shell 11 is separated by spacing b is arranged on extraction tank and the first water conservancy diversion by first support the 12, second support 13 respectively
Cylinder the 10, second guide shell 11 centrage point-blank, described spacing b=15mm, the right-hand member of the first guide shell 10 with
Second guide shell 11 is adjacent and be feed end for discharge end, the left end of the first guide shell 10, the left end of the second guide shell 11 and the
One guide shell 10 is adjacent and be feed end for discharge end, the right-hand member of the second guide shell 11；Described first feed pipe 3 is arranged on extraction
Taking groove to lean on the sidewall of the first guide shell feed end, the discharge end of the first feed pipe is positioned at the first guide shell 10, and described second enters
Material pipe 2 is arranged on extraction tank and leans on the sidewall of the second guide shell feed end, and the discharge end of the second feed pipe is positioned at the second guide shell 11
In；Described first drives motor 15 to be arranged on the extraction tank side by the first guide shell feed end, the centrage of its power output shaft
With the centrage of the first guide shell 10 point-blank, described second motor 16 is driven to be arranged on extraction tank by the second guide shell
Point-blank, described first stirs for the side of feed end, the centrage of its power output shaft and the centrage of the second guide shell 11
The one end mixing axle 17 drives the power output shaft of motor 15 to connect by shaft coupling and first, and the other end of the first shaft 17 is worn
Crossing extraction tank sidewall and insert the first guide shell 10, one end of described second shaft 18 drives motor 16 by shaft coupling and second
Power output shaft connect, the other end of the second shaft 18 inserts the second guide shell 11 through extraction tank sidewall, described first
Stirring paddle the 8, second stirring paddle 9 is separately mounted on first shaft the 17, second shaft 18, and the oar of the first stirring paddle 8
The blade of leaf and the second stirring paddle 9 is reversely installed.
Embodiment 3
The present embodiment uses the phosphoric acid by wet process extraction equipment that can form percussion flow described in embodiment 1 to carry out phosphoric acid by wet process extraction, by only
Mainly comprising of eliminating dampness method phosphoric acid is shown in Table 1.
Table 1 is cleaned the composition of phosphoric acid by wet process
| Component | P2O5 | Fe3+ | SO4 2- | F- |
| Content wt% | 46.44 | 0.57 | 4.63 | 0.13 |
Technological parameter when extractant and extraction: extractant is formulated with kerosene 5:1 by volume by tributyl phosphate (TBP),
Organic facies is in a ratio of 4:1 with aqueous phase, and extraction temperature is 60 DEG C, the first stirring paddle (8) and the rotating speed of the second stirring paddle (9)
For 550r/min, extraction time is respectively 5min, 10min, 20min, 30min, 35min.
Extracting operation is as follows: will be cleaned phosphoric acid by wet process and extractant is preheating to 50 DEG C respectively, and being cleaned after then preheating is wet
Method phosphoric acid and extractant are sent in first guide shell the 10, second guide shell 11 by first feed pipe the 3, second feed pipe 2 respectively,
Open simultaneously and drive motor 4 to make the first stirring paddle 8 and the second stirring paddle 9 work, at the first guide shell 10 and the second guide shell
Form biphase percussion flow between 11, biphase percussion flow is passed through 5min, 10min, 20min, 30min, 35min at 60 DEG C
The extract that matter is formed carries out phosphoric acid extraction rate and measures and calculate (phosphoric acid in phosphoric acid quality/raw material acid in extraction yield E%=organic facies
Quality × 100%), the results are shown in Table 2.
The phosphoric acid extraction rate of the different extraction time of table 2
From table 2 it can be seen that use extraction equipment described in the utility model, extraction time when 5min increases to 10min,
Phosphoric acid extraction rate substantially increases, and when extraction time is 10min, phosphoric acid extraction rate basically reaches balance, when extraction time is more than 10min
After, phosphoric acid extraction rate rises slowly.
Comparative example
In this comparative example, being cleaned phosphoric acid by wet process same as in Example 3, extraction equipment uses existing conventional groove extraction equipment.
Technological parameter when extractant and extraction: extractant is formulated with kerosene 5:1 by volume by tributyl phosphate (TBP), has
Machine phase is in a ratio of 4:1 with aqueous phase, and extraction temperature is 60 DEG C.
Measure carrying out phosphoric acid extraction rate at 60 DEG C of extracts formed through 10min, 20min, 30min mass transfer and calculate (extraction
Take in rate E%=organic facies phosphoric acid quality × 100% in phosphoric acid quality/raw material acid), the results are shown in Table 3.
The phosphoric acid extraction rate of the different extraction time of table 3
From table 3 it can be seen that use existing slot type extraction equipment, when extraction time is 10min, phosphoric acid extraction rate is only 43.21%,
When extraction time is 30min, phosphoric acid extraction rate is 46.79%, and phosphoric acid extraction rate reaches balance.
Embodiment 3 and comparative example show, use extraction equipment described in the utility model, phosphoric acid extraction rate can be greatly shortened and reach
The time of balance.
Claims (5)
1. can form a phosphoric acid by wet process extraction equipment for percussion flow, including extraction tank (1), it is characterised in that also include that first leads
Flow cartridge (10), the second guide shell (11), the first stirring paddle (8), the second stirring paddle (9), shaft, a driving
Motor, the first feed pipe (3), the second feed pipe (2), the first support (12) and the second support (13)；
Described extraction tank (1) side wall upper part is provided with overfall (5), extraction tank lower sidewall or diapire and is provided with leakage fluid dram (14),
Described first guide shell (10), the second guide shell (11) are separated by one by the first support (12), the second support (13) respectively
Spacing (b) is arranged in extraction tank and the first guide shell (10), the second guide shell (11) centrage point-blank,
One end that first guide shell (10) is adjacent with the second guide shell (11) be discharge end, the other end be feed end, the second guide shell
(11) one end adjacent with the first guide shell (10) is discharge end, and the other end is feed end, and described first feed pipe (3) is pacified
Being contained in extraction tank by the sidewall of the first guide shell feed end, the discharge end of the first feed pipe is positioned at the first guide shell, and described the
Two feed pipes (2) are arranged on extraction tank and lean on the sidewall of the second guide shell feed end, and the discharge end of the second feed pipe is positioned at second leads
In flow cartridge；
The installation site of described driving motor should make the centrage of its power output shaft and the first guide shell (10) and the second guide shell
(11) point-blank, one end of described shaft is connected with the power output shaft driving motor centrage by shaft coupling,
The other end of shaft inserts the first guide shell (10) and the second guide shell (11), described first stirring paddle through extraction tank sidewall
(8), the second stirring paddle (9) be arranged on shaft, and the first stirring paddle (8) is positioned at the first guide shell (10),
Two stirring paddles (9) are positioned at the second guide shell (11), the blade of the first stirring paddle (8) and the blade of the second stirring paddle (9)
Reversely install.
2. can form a phosphoric acid by wet process extraction equipment for percussion flow, including extraction tank (1), it is characterised in that also include that first leads
Flow cartridge (10), the second guide shell (11), the first stirring paddle (8), the second stirring paddle (9), the first shaft (17), second
Shaft (18), first drive motor (15), second drive motor (16), the first feed pipe (3), the second feed pipe (2),
First support (12) and the second support (13)；
Described extraction tank (1) side wall upper part is provided with overfall (5), extraction tank lower sidewall or diapire and is provided with leakage fluid dram (14),
Described first guide shell (10), the second guide shell (11) are separated by one by the first support (12), the second support (13) respectively
Spacing (b) is arranged in extraction tank and the first guide shell (10), the second guide shell (11) centrage point-blank,
One end that first guide shell (10) is adjacent with the second guide shell (11) be discharge end, the other end be feed end, the second guide shell
(11) one end adjacent with the first guide shell (10) is discharge end, and the other end is feed end, and described first feed pipe (3) is pacified
Being contained in extraction tank by the sidewall of the first guide shell feed end, the discharge end of the first feed pipe is positioned at the first guide shell, and described the
Two feed pipes (2) are arranged on extraction tank and lean on the sidewall of the second guide shell feed end, and the discharge end of the second feed pipe is positioned at second leads
In flow cartridge；
Described first drives motor (15) to be arranged on the extraction tank side by the first guide shell feed end, in its power output shaft
Point-blank, described second drives motor (16) to be arranged on extraction tank leans on the centrage of heart line and the first guide shell (10)
The side of the second guide shell feed end, the centrage of its power output shaft and the centrage of the second guide shell (11) are at straight line
On, one end of described first shaft (17) drives the power output shaft of motor (15) to connect by shaft coupling and first, the
The other end of one shaft (17) inserts the first guide shell (10), the one of described second shaft (18) through extraction tank sidewall
Holding and drive the power output shaft of motor (16) to connect by shaft coupling and second, the other end of the second shaft (18) is through extraction
Taking groove sidewall and insert the second guide shell (11), described first stirring paddle (8), the second stirring paddle (9) are separately mounted to first and stir
Mix on axle (17), the second shaft (18), and the blade of the blade of the first stirring paddle (8) and the second stirring paddle (9) is reverse
Install.
The phosphoric acid by wet process extraction equipment that can form percussion flow the most according to claim 1 or claim 2, it is characterised in that the first guide shell
(10), the spacing (b) between the second guide shell (11) is 10mm～15mm.
The phosphoric acid by wet process extraction equipment that can form percussion flow the most according to claim 1 or claim 2, it is characterised in that around extraction tank
(1) outer wall is provided with the chuck (6) for heating or being incubated.
The phosphoric acid by wet process extraction equipment of percussion flow can be formed the most according to claim 3, it is characterised in that around extraction tank (1)
Outer wall be provided with the chuck (6) for heating or being incubated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368798.XU CN205634898U (en) | 2016-04-27 | 2016-04-27 | Can form phosphoric acid by wet process extraction device of percussion flow |
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|---|---|---|---|
| CN201620368798.XU CN205634898U (en) | 2016-04-27 | 2016-04-27 | Can form phosphoric acid by wet process extraction device of percussion flow |
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| Publication Number | Publication Date |
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ID=57060321
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948010A (en) * | 2016-04-27 | 2016-09-21 | 四川大学 | Impinging stream reinforced wet-process phosphoric acid extraction method and device |
-
2016
- 2016-04-27 CN CN201620368798.XU patent/CN205634898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948010A (en) * | 2016-04-27 | 2016-09-21 | 四川大学 | Impinging stream reinforced wet-process phosphoric acid extraction method and device |
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