CN1136532A - Process for recovering yellow phosphorus from phosphorus mud - Google Patents
Process for recovering yellow phosphorus from phosphorus mud Download PDFInfo
- Publication number
- CN1136532A CN1136532A CN 95106266 CN95106266A CN1136532A CN 1136532 A CN1136532 A CN 1136532A CN 95106266 CN95106266 CN 95106266 CN 95106266 A CN95106266 A CN 95106266A CN 1136532 A CN1136532 A CN 1136532A
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- CN
- China
- Prior art keywords
- phosphorus
- pot
- mud
- yellow phosphorus
- yellow
- 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.)
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 62
- 239000011574 phosphorus Substances 0.000 title claims abstract description 62
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000001471 micro-filtration Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 102100041010 Proteasome assembly chaperone 3 Human genes 0.000 description 1
- 101710179510 Proteasome assembly chaperone 3 Proteins 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
A process for recovering yellow phosphorus from phosphorus mud relates to yellow phosphorus in nonmetal elements. Aims to provide an improved process for recovering yellow phosphorus from phosphorus mud by adopting a vacuum filtration method. The process of the invention comprises a phosphorus mud pot, a yellow phosphorus pot, a buffer tank, a vacuum pump and other equipment, wherein a plurality of microporous pipes used as filter media are arranged in the phosphorus mud pot, and yellow phosphorus in the phosphorus mud is heated in the phosphorus mud pot, filtered out through the microporous pipes under vacuum and gathered in the yellow phosphorus pot so as to be separated and recovered. The process has the advantages of simple flow, less equipment, less investment, low cost and easy operation, and can be used for newly-built yellow phosphorus devices or technical improvement of original devices.
Description
The present invention relates to non-metallic element, specifically, relate to yellow phosphorus.
As everyone knows, phosphorus mud is the by product that certainly leads in the electric furnace process phosphorus production, and the yellow phosphorus that is contained in the phosphorus mud must be reclaimed, with the productive rate that improves yellow phosphorus, prevent its pollution to environment.At present, from phosphorus mud, reclaim yellow phosphorus method commonly used and mainly contain chemical method and physics method.Thereby chemical method be adopt to add chemicals with the colloidal structure that destroys phosphorus mud, yellow phosphorus is separated reach the purpose of recovery yellow phosphorus with impurity.The shortcoming of this method is the cost height, and equipment corrosion is serious, demands strict technology, and raffinate needs neutralizing treatment.The physics method has two kinds of heating method and vacuum filtration methods again, and the former is with the heating of phosphorus mud, makes yellow phosphorus gasification wherein, thereby cooling reaches the purpose of separating and reclaiming again; The latter filters phosphorus mud under vacuum with filter cloth, thereby reclaims yellow phosphorus wherein.These two kinds of physics methods all exist the shortcoming that operating environment is poor, the rate of recovery is low, and the former also has problems such as equipment corrosion especially severe, process complexity, and the latter also has problems such as filter effect instability, filter cloth consumption are big, stage of replacement weak point, cost height.For a long time, reclaim yellow phosphorus from phosphorus mud is difficult problem in the phosphorus production always.
The object of the present invention is to provide a kind of improved, adopt the vacuum filtration method from phosphorus mud, to reclaim the technology of yellow phosphorus.
Technology provided by the invention is made up of equipment such as phosphorus mud pot, yellow phosphorus pot, surge tank, vacuum pumps and is linked with pipeline successively, wherein, some microporous pipe as filtration medium are installed in the phosphorus mud pot, yellow phosphorus in the phosphorus mud is heated the back and filters out through microporous pipe under vacuum in phosphorus mud pot, thereby accumulates in the purpose that reaches recovery in the hot water of yellow phosphorus pot.
The microporous pipe of installing in the phosphorus mud pot is the corrosion resistant porous filter medium of a kind of heatproof, PAC series porous polyethylene filtration medium commonly used.This microporous pipe has the plurality of specifications model, can select suitable aperture, caliber for use according to arts demand.For the present invention, the aperture of selecting for use is that 20～100 μ m, caliber are 10～85mm.
Phosphorus mud in the phosphorus mud pot is with steam direct heating to 80～90 ℃, is that suction filtration comes out under 66.7kPa～80kPa yellow phosphorus enters and is filled with in the yellow phosphorus pot of using steam direct heating to 60～80 ℃ hot water in advance promptly recyclable yellow phosphorus in vacuum tightness.This moment, yellow phosphorus was wax yellow.
When the hole on the microporous pipe is seriously stopped up, can stop the vacuum pump suction filtration, and the steam valve that pipe links in unlatching and the microporous pipe carries out blowback, boil with straight-through steam simultaneously and stir phosphorus mud.Blow and carry out vacuum filtration again after logical, repeatable operation like this is till yellow phosphorus all leaches.Leaching residue behind the yellow phosphorus discharges from the bottom of phosphorus mud pot and discards.
In order to observe the color of yellow phosphorus, the glass visor is installed at pipeline from phosphorus mud pot to the yellow phosphorus pot.In order to be incubated, phosphorus mud pot and yellow phosphorus pot all have steam jacket.
Technology of the present invention not only may be used solely to handle phosphorus mud, can also be directly used in phosphorus production, promptly in traditional vacuum filtration production technique, with one in the refining kettle or all be adapted as phosphorus mud pot of the present invention, increase a yellow phosphorus pot again, keep original vacuum pump, just two operations of processing refining and phosphorus mud of yellow phosphorus can be integrated; And the miscellaneous equipment of original technology completely can save.Simplify flow process like this, widely, reduced facility investment, simplified operation, reduced cost.The used microporous pipe of this technology is more cheap than the filter cloth of usefulness in the past, change easily, and yellow phosphorus productive rate height, quality are good, and is phosphorous extremely low in the residual mud.Technology of the present invention can be used for the new phosphorus production device of building, and also can be used for the technological transformation of original production equipment.
Accompanying drawing 1 is a process flow diagram of the present invention, and 1 is phosphorus mud pot among the figure, and 2 is microfiltration tube, and 3 are the retaining kickboard, and 4 is the yellow phosphorus pot, and 5 is surge tank, and 6 is vacuum pump, and 7 is blow-off valve, and 8 is the steam back-flushing valve.Phosphorus mud enters from the top of phosphorus mud pot (1), uses the steam direct heating in pot, and yellow phosphorus is come out by suction filtration by microfiltration tube (2) under vacuum action, enters in the yellow phosphorus pot (4), separates from the bottom.
Accompanying drawing 2 is the structural representation of phosphorus mud pot, 1 is phosphorus mud inlet among the figure, 2 are vapour pipe (bottom is the ring pipe that is drilled with many apertures), and 3 is the steam anti-blowpipe, and 4 are the yellow phosphorus outlet, 5 is slag-drip opening, 6 are the insulation steam-in, and 7 is the vapor condensation water out, and 8 are the retaining kickboard, 9 is overflow port, and 10 is the thermopair installing port.
Accompanying drawing 3 is the top view of phosphorus mud pot.
Embodiment: at a cover furnace volume is in the phosphorus production device of 5000kVA, as accompanying drawing 1 the phosphorus mud pot (1) (or make with a refining kettle) of φ a 1200 * 2050mm is installed, and its structure is made with carbon steel as shown in Figure 2.10 PAC-3 φ 50 * 1000mm microfiltration tubes (2) are wherein arranged; The yellow phosphorus pot (4) of φ a 1000 * 1500mm is installed, makes with carbon steel; Carbon steel system surge tank (5), the Sz-3 type vacuum pump (6) of φ a 500 * 800mm are installed, and its vacuum tightness can reach 60.78～101.3kPa, and rate of air sucked in required is 6.8～11.5m
3/ min.The mode of above equipment usefulness pipe connection is equipped with the glass window at the pipeline from phosphorus mud pot to the yellow phosphorus pot as shown in Figure 1.Phosphorus mud pot and yellow phosphorus pot all have steam jacket.Phosphorus mud enters from phosphorus mud pot top, with being steam heated to 80～90 ℃ and insulation, starts vacuum pump, and control vacuum tightness is 75～80kPa, the yellow phosphorus suction filtration can be come out; When micropore stops up, use the steam blowback, boil with straight-through steam simultaneously and stir phosphorus mud.Blow and carry out vacuum filtration again after logical, repeatable operation like this is till yellow phosphorus all leaches.Leaching residual mud behind the yellow phosphorus discharges from the bottom of phosphorus mud pot and discards.This cover phosphorus production device has the phosphorus mud about 700 tons every year, through about 350 tons in the recyclable yellow phosphorus of this technology suction filtration.
Claims (5)
1 one kinds of technologies that from phosphorus mud, reclaim yellow phosphorus with the vacuum filtration method, the invention is characterized in that this technology is made up of equipment such as phosphorus mud pot, yellow phosphorus pot, surge tank, vacuum pumps and links to each other with pipeline successively, wherein, some microporous pipe as filtration medium are installed in the phosphorus mud pot, yellow phosphorus in the phosphorus mud is heated the back and filters out through microporous pipe under vacuum in phosphorus mud pot, accumulate in the hot water of yellow phosphorus pot and Separation and Recovery.
2 according to the described technology of claim 1, it is characterized in that the microporous pipe of installing in the phosphorus mud pot is the corrosion resistant porous filter medium of a kind of heatproof, PAC series porous polyethylene filtration medium commonly used, the aperture that this microporous pipe is used is that 20～100 μ m, caliber are 10～85mm.
3 according to the described technology of claim 1, it is characterized in that phosphorus mud in the phosphorus mud pot is with steam direct heating to 80～90 ℃, in vacuum tightness is that suction filtration comes out under 66.7kPa～80kPa yellow phosphorus enters and is filled with in the yellow phosphorus pot of using steam direct heating to 60～80 ℃ hot water in advance promptly recyclable yellow phosphorus.
4 according to the described technology of claim 1, it is characterized in that can stopping the vacuum pump suction filtration when the hole on the microporous pipe is seriously stopped up, and the steam valve that pipe links in unlatching and the microporous pipe carries out blowback, boils with straight-through steam simultaneously and stir phosphorus mud.Blow and carry out vacuum filtration again after logical, repeatable operation like this is till yellow phosphorus all leaches.Leaching residue behind the yellow phosphorus discharges from the bottom of phosphorus mud pot and discards.
5 according to the described technology of claim 1, it is characterized in that at the pipeline from phosphorus mud pot to the yellow phosphorus pot glass visor being installed, and phosphorus mud pot and yellow phosphorus pot all have the steam insulation chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95106266 CN1136532A (en) | 1995-05-24 | 1995-05-24 | Process for recovering yellow phosphorus from phosphorus mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95106266 CN1136532A (en) | 1995-05-24 | 1995-05-24 | Process for recovering yellow phosphorus from phosphorus mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1136532A true CN1136532A (en) | 1996-11-27 |
Family
ID=5075838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95106266 Pending CN1136532A (en) | 1995-05-24 | 1995-05-24 | Process for recovering yellow phosphorus from phosphorus mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1136532A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051526C (en) * | 1997-08-08 | 2000-04-19 | 李兴德 | Lixiviation process for recovering yellow phosphorus from phosphate sludge |
| CN1058249C (en) * | 1998-06-03 | 2000-11-08 | 云南磷肥工业有限公司 | Process for making fine phosphate from mud phosphate as by product of electric heating yellow phosphorus production |
| CN1092138C (en) * | 1999-12-14 | 2002-10-09 | 昆明理工大学 | Medium temperature vacuum method for treating mud phosphorus to extract yellow phosphorus |
| CN100357177C (en) * | 2006-08-28 | 2007-12-26 | 云南师范大学 | Method for preparing yellow phosphorus from phosphate rock |
| CN101920945A (en) * | 2010-09-19 | 2010-12-22 | 湖北兴发化工集团股份有限公司 | Method for separating yellow phosphorus and phosphorus mud via filtration method |
| CN106315532A (en) * | 2016-08-25 | 2017-01-11 | 湖北省兴发磷化工研究院有限公司 | Method for processing phosphorus mud with ultrasonic wave to recycle yellow phosphorus |
| CN113368600A (en) * | 2021-05-11 | 2021-09-10 | 何建军 | Vacuum constant temperature yellow phosphorus filter |
-
1995
- 1995-05-24 CN CN 95106266 patent/CN1136532A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051526C (en) * | 1997-08-08 | 2000-04-19 | 李兴德 | Lixiviation process for recovering yellow phosphorus from phosphate sludge |
| CN1058249C (en) * | 1998-06-03 | 2000-11-08 | 云南磷肥工业有限公司 | Process for making fine phosphate from mud phosphate as by product of electric heating yellow phosphorus production |
| CN1092138C (en) * | 1999-12-14 | 2002-10-09 | 昆明理工大学 | Medium temperature vacuum method for treating mud phosphorus to extract yellow phosphorus |
| CN100357177C (en) * | 2006-08-28 | 2007-12-26 | 云南师范大学 | Method for preparing yellow phosphorus from phosphate rock |
| CN101920945A (en) * | 2010-09-19 | 2010-12-22 | 湖北兴发化工集团股份有限公司 | Method for separating yellow phosphorus and phosphorus mud via filtration method |
| CN101920945B (en) * | 2010-09-19 | 2012-09-05 | 湖北兴发化工集团股份有限公司 | Method for separating yellow phosphorus and phosphorus mud via filtration method |
| CN106315532A (en) * | 2016-08-25 | 2017-01-11 | 湖北省兴发磷化工研究院有限公司 | Method for processing phosphorus mud with ultrasonic wave to recycle yellow phosphorus |
| CN113368600A (en) * | 2021-05-11 | 2021-09-10 | 何建军 | Vacuum constant temperature yellow phosphorus filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |