CN104692836B - The calcium superphosphate slurry preparation method and its production equipment of single many oar stirring curings of groove - Google Patents
The calcium superphosphate slurry preparation method and its production equipment of single many oar stirring curings of groove Download PDFInfo
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- CN104692836B CN104692836B CN201510143856.9A CN201510143856A CN104692836B CN 104692836 B CN104692836 B CN 104692836B CN 201510143856 A CN201510143856 A CN 201510143856A CN 104692836 B CN104692836 B CN 104692836B
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- Prior art keywords
- slaking
- area
- reactions area
- slurry
- reaction
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- 239000002002 slurry Substances 0.000 title claims abstract description 49
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 title claims abstract description 23
- 229910000389 calcium phosphate Inorganic materials 0.000 title claims abstract description 23
- 238000001723 curing Methods 0.000 title claims abstract description 23
- 235000019691 monocalcium phosphate Nutrition 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 172
- 238000000034 method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012066 reaction slurry Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000005453 pelletization Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 6
- 238000006386 neutralization reaction Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 235000011868 grain product Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/10—Apparatus for the manufacture of superphosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of the calcium superphosphate slurry preparation method and its production equipment of single many oar stirring curings of groove, including N number of slaking reaction area provided with agitator, one of slaking reaction area is centrally located, remaining slaking reaction area sets around slaking reaction area placed in the middle and is set as 1# slaking reactions area successively by slaking reaction order, 2# slaking reactions area, ... (N 1) # slaking reactions area, and slaking reaction area placed in the middle is set as N# slaking reactions area, in 1#~(N 1) # slaking reactions area, adjacent each # slaking reaction area is communicated, it is identical in bottom between (N 1) # slaking reactions area and N# slaking reactions area；The charging aperture connection hybrid reaction feeder in 1# slaking reactions area, the water inlet connection water pipe in 2# slaking reactions area, the discharging opening connection pump slurry pipe in N# slaking reactions area.The present invention is that slurry neutralization step and slurry-spraying pelletizing process provide qualified and stable material, and the continuity of calcium superphosphate slurry-spraying pelletizing production technology is can guarantee that completely.
Description
Technical field
The present invention relates to the manufacture craft of fertilizer and equipment, the calcium superphosphate material of specially a kind of many oar stirring curings of single groove
Starch preparation method and its production equipment.
Background technology
The production technology of traditional calcium superphosphate is as follows:
1st, phosphate ore pulp and the concentrated sulfuric acid carried out in five oar blenders ore deposit acid chemical reaction, the reaction time be about 1min~
5min, phosphorus reaction rate reaches 65%~70%.
2nd, reaction slurry voluntarily flows into formation chamber solidification.
3rd, the material after solidifying is removed and shredded from formation chamber, is sent to curing storehouse and is stacked, and constantly turning cooling, moisture content steam
Hair, promotes slaking reaction.Reaction time needs to be up to several days or several weeks, generally at 7 days~15 days.
4th, the calcium superphosphate material after slaking reaction, which is further broken into powder and can packed, dispatches from the factory, or as needed may be used
Calcium superphosphate material after slaking reaction is turned into Gu granulations through granulating method, dispatched from the factory as grain products.
In above-mentioned production technology, the slaking reaction overlong time of calcium superphosphate causes low production efficiency；Meanwhile, curing
A large amount of fluorinated tail gas that reaction is produced cause severe contamination to production environment.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention be propose one kind can be greatly shortened it is ripe
Change the calcium superphosphate slurry preparation method and its production equipment of many oar stirring curings of single groove in reaction time.
It can solve the problem that the calcium superphosphate slurry production equipment of single groove many oars stirring curing of above-mentioned technical problem, including provided with
N number of slaking reaction area of agitator, except that one of slaking reaction area is centrally located, remaining (N-1) individual curing is anti-
Area is answered to be set around slaking reaction area placed in the middle and be set as 1# slaking reactions area, 2# slaking reactions successively by slaking reaction order
Area ... (N-1) # slaking reactions area, and slaking reaction area placed in the middle is set as N# slaking reactions area, 1#~(N-1) # curings are anti-
Answer in area, adjacent each # slaking reaction area is communicated, it is identical in bottom between (N-1) # slaking reactions area and N# slaking reactions area；
The charging aperture connection hybrid reaction feeder in 1# slaking reactions area, the water inlet connection water pipe in 2# slaking reactions area, N# curings are anti-
The discharging opening in area is answered to connect pump slurry pipe.
A kind of generation type in N number of slaking reaction area is：Inside and outside cylinder coaxial package, inner barrel is N# slaking reactions area,
(N-1) individual interval is marked off between inside and outside cylinder corresponding to each slaking reaction area.
Inside and outside cylinder is provided with the unified collector for collecting each slaking reaction area tail gas, to prevent slaking reaction generation
Fluorine tail gas is discharged to air.
Take the calcium superphosphate slurry preparation side of many oar stirring curings of single groove of above-mentioned calcium superphosphate slurry production equipment
Method, its process is as follows：
1st, phosphate ore pulp and the concentrated sulfuric acid are respectively enterd in hybrid reaction feeder, and it is anti-that reacted mixed slurry imports 1# curings
Answer area.
2nd, the slurry in 1# slaking reactions area enters 2# slaking reactions area in the presence of agitator.
3rd, the slurry in 2# slaking reactions area enters 3# slaking reactions area in the presence of agitator.
4th, and so on, the slurry in (N-1) # slaking reactions area enters N# slaking reactions area in the presence of agitator.
5th, according to the concentration levels of detection N# slaking reactions area slurry, regulation enters the water in 2# slaking reactions area, with this
Regulation pulp density reaches technic index.
6th, after the slurry curing in N# slaking reactions area is qualified, process is handled after being pumped through pump slurry pipe.
In the presence of each propeller-blade, slurry goes to upper and lower the form flowing mutually staggered in each slaking reaction area,
This measure is conducive to improving the diffusion mixed effect of slurry.
Set collector is unified to collect the tail gas that each slaking reaction area is produced, the collection of the tail gas and 1~6 process
It is synchronous to carry out.
Beneficial effects of the present invention：
1st, the present invention continuously stirs curing calcium superphosphate slurry processes using slurry more than single groove, enhances the slaking reaction of fresh calcium
Speed, solves the fresh slow technical problem of calcium maturing process in Production of Single Superphosphate, drastically reduce the area fresh calcium curing
Time；Simultaneously as provided with the collector for collecting fluorinated tail gas, it is unified to collect fluorinated tail gas, thoroughly avoid Traditional Method production
The fluorinated tail gas pollution problem that technique curing is present.
2nd, the present invention is that slurry neutralization step and slurry-spraying pelletizing process provide qualified and stable material, be can guarantee that completely
The continuity of calcium superphosphate slurry-spraying pelletizing production technology.
3rd, the required plant equipment of the present invention is general, and easy to operate, the semi-finished product maturation process time is short, is that slurry process crosses phosphorus
The committed step that the making of sour calcium slurry-spraying pelletizing new technology need to have, technical process is succinct, production process clean environment firendly, effect phase
When notable, it is easy to promote the use of.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present invention.
Figure number is identified：1st, agitator；2nd, 1# slaking reactions area；3rd, 2# slaking reactions area；4th, hybrid reaction feeder；5th, pump
Slurry pipe；6th, collector；7th, inner barrel；8th, outer cylinder body；9th, dividing plate；10th, 3# slaking reactions area；11st, 4# slaking reactions area；12、5#
Slaking reaction area；13rd, 6# slaking reactions area.
Embodiment
Illustrated embodiment is described further to technical scheme below in conjunction with the accompanying drawings.
Inside and outside cylinder 7 of the calcium superphosphate slurry production equipment including coaxial package of many oar stirring curings of list groove of the invention,
8；The annulus region that the inner barrel 7 is set between 6# slaking reactions area 13, inside and outside cylinder 7,8 is divided into five parts, by curing
Reaction sequence (in the counterclockwise direction) is set as 1# slaking reactions area 2,2# slaking reactions area 3,3# slaking reactions area 10,4# successively
A stirring with more than two layers blade is correspondingly provided with slaking reaction area 11 and 5# slaking reactions area 12, each slaking reaction area
Device 1, between 1# slaking reactions area 2 and 2# slaking reactions area 3, between 2# slaking reactions area 3 and 3# slaking reactions area 10,3# cures
It is accessible phase between reaction zone 10 and 4# slaking reactions area 11, between 4# slaking reactions area 11 and 5# slaking reactions area 12
It is logical, open close by dividing plate 9 between 1# slaking reactions area 2 and 5# slaking reactions area 12,5# slaking reactions area 12 and 6# slaking reactions area
Communicated between 13 by the opening of the bottom of inner barrel 7, as shown in Figure 1.
Charging aperture is offered on the outer cylinder body 8 on the top of 1# slaking reactions area 2, the charging aperture connects what oblique lower section was set
Hybrid reaction feeder 4 (also known as five oar blenders)；Water inlet is offered on the outer cylinder body 8 on the top of 2# slaking reactions area 3, it is described
Water inlet connects water pipe；Collector 6 is installed in the top of inside and outside cylinder 7,8, and the gas hood of the collector 6 is arranged on inside and outside cylinder
The place suitable for reading of body 7,8, the gas outlet connection exhaust column of the gas hood；Pump is set to starch pipe 5 outside gas hood, the pump slurry pipe 5 passes through gas
Cover enters the top in 6# slaking reactions area 13, as shown in Figure 1.
The method that calcium superphosphate slurry is prepared using above-mentioned production equipment, including following process：
1st, phosphate ore pulp and the concentrated sulfuric acid respectively enter the mixing of the inner height of hybrid reaction feeder 4, anti-at 100 DEG C~120 DEG C
Answer and quick ore deposit acid chemical reaction is carried out under temperature conditionss, reaction slurry obtains higher phosphorous conversion ratio (65%- in 1min~5min
72%) after, 1# slaking reactions area 2 is imported.
2nd, into the slurry in 1# slaking reactions area 2, to reaction zone flows and entrance 2# curings under the effect of agitator 1
Reaction zone 3.
3rd, into the slurry in 2# slaking reactions area 3, flowed under the effect of agitator 1 to direction on reaction zone and to enter 3# ripe
Change reaction zone 10.
4th, it is to reaction zone flows and ripe into 4# under the effect of agitator 1 into the slurry in 3# slaking reactions area 10
Change reaction zone 11.
5th, it is to flowing above reaction zone and ripe into 5# under the effect of agitator 1 into the slurry in 4# slaking reactions area 11
Change reaction zone 12.
6th, into the slurry in 5# slaking reactions area 12, to reaction zone flows under the effect of agitator 1, and inner cylinder is passed through
The opening of the bottom of body 7 enters 6# slaking reactions area 13, and slurry is under the effect of agitator 1 to flowing above reaction zone.
7th, according to the concentration levels of the slurry of detection 6# slaking reactions area 13,2# slaking reactions area 3 is entered by water pipe regulation
Water, so as to adjust pulp density reach technic index requirement.
8th, the top of 6# slaking reactions area 13 has cured calcium superphosphate slurry that is qualified and reaching technic index requirement, is starched through pump
Pipe 5 pumps rear process processing (neutralization, slurry-spraying pelletizing).
The collector 6 is unified to collect the fluorinated tail gas that each slaking reaction area is produced, the collection of the tail gas and 1~8 work
Sequence step is synchronously carried out.
It is above-mentioned prepare calcium superphosphate slurry method survey be：
Obtained slurry is decomposed in the reaction in hybrid reaction feeder 4 of phosphate ore pulp and sulfuric acid, respectively through being equipped with stirring
1# slaking reactions area 2,2# slaking reactions area 3,3# slaking reactions area 10,4# slaking reactions area 11, the 5# slaking reactions area 12 of device 1
Slaking reaction is stirred with 6# slaking reactions area 13, total reaction time is about a few hours (about 6 hours~8 hours), makes phosphorus
The technic index of sour calcium slurry reaches requirement, and technique is prepared as continuous operation.
Claims (2)
1. the calcium superphosphate slurry production equipment of single many oar stirring curings of groove, it is characterised in that：Inside and outside cylinder including coaxial package
Body (7,8), the annulus region that the inner barrel (7) is set between 6# slaking reactions area (13), inside and outside cylinder (7,8) is divided into
Five parts, 1# slaking reactions area (2), 2# slaking reactions area (3), 3# slaking reactions area are set as by slaking reaction order successively
(10), 4# slaking reactions area (11) and 5# slaking reactions area (12), between 1# slaking reactions area (2) and 5# slaking reactions area (12)
It is open close by dividing plate (9), pass through the opening phase of inner barrel (7) bottom between 5# slaking reactions area (12) and 6# slaking reactions area (13)
It is logical, between 1# slaking reactions area (2) and 2# slaking reactions area (3), 2# slaking reactions area (3) and 3# slaking reactions area (10) it
Between, between 3# slaking reactions area (10) and 4# slaking reactions area (11), 4# slaking reactions area (11) and 5# slaking reactions area (12)
Between be it is accessible communicate, an agitator (1) with more than two layers blade is equipped with each slaking reaction area, is respectively being stirred
Mix in the presence of device (1) blade, slurry goes to upper and lower the form flowing mutually staggered in each slaking reaction area；1# slaking reactions
Charging aperture is offered on the outer cylinder body (8) on area (2) top, the charging aperture connects the hybrid reaction feeder that oblique lower section is set
(4) water inlet, is offered on the outer cylinder body (8) on 2# slaking reactions area (3) top, the water inlet connects water pipe；It is described inside and outside
Collector (6) is installed, the gas hood of the collector (6) is arranged on the place suitable for reading of inside and outside cylinder (7,8), institute above cylinder (7,8)
State sets pump to starch pipe (5) outside the gas outlet connection exhaust column of gas hood, gas hood, and the pump slurry pipe (5) is cured by gas hood into 6#
The top of reaction zone (13).
2. the calcium superphosphate slurry preparation method of single many oar stirring curings of groove, it is characterised in that take single described in claim 1
The calcium superphosphate slurry production equipment of many oar stirring curings of groove, its process is as follows：
1., phosphate ore pulp and the concentrated sulfuric acid respectively enter the mixing of hybrid reaction feeder (4) inner height, in 100 DEG C~120 DEG C of reaction
Quick ore deposit acid chemical reaction is carried out under temperature conditionss, reaction slurry obtains 65%~72% phosphorus conversion ratio in 1min~5min
Afterwards, 1# slaking reactions area (2) are imported；
2. it is to reaction zone flows and ripe into 2# under agitator (1) effect, into the slurry in 1# slaking reactions area (2)
Change reaction zone (3)；
3., into the slurry in 2# slaking reactions area (3), flowed under agitator (1) effect to direction on reaction zone and enter 3#
Slaking reaction area (10)；
4. it is to reaction zone flows and ripe into 4# under agitator (1) effect, into the slurry in 3# slaking reactions area (10)
Change reaction zone (11)；
5. it is to flowing above reaction zone and ripe into 5# under agitator (1) effect, into the slurry in 4# slaking reactions area (11)
Change reaction zone (12)；
6., into the slurry in 5# slaking reactions area (12), to reaction zone flows under agitator (1) effect, and by interior
The opening of cylinder (7) bottom enters 6# slaking reactions area (13), and slurry is under agitator (1) effect to flowing above reaction zone；
7., according to the concentration levels of detection 6# slaking reactions area (13) slurry, 2# slaking reactions area (3) are entered by water pipe regulation
Water, so as to adjust pulp density reach technic index requirement；
8., 6# slaking reactions area (13) top has cured calcium superphosphate slurry that is qualified and reaching technic index requirement, is starched through pump
Pipe (5) pumps rear process processing；
The fluorinated tail gas that each slaking reaction area is produced is collected using collector (6) is unified, the collection process and 1.~process 8.
Step is synchronously carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510143856.9A CN104692836B (en) | 2015-03-31 | 2015-03-31 | The calcium superphosphate slurry preparation method and its production equipment of single many oar stirring curings of groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143856.9A CN104692836B (en) | 2015-03-31 | 2015-03-31 | The calcium superphosphate slurry preparation method and its production equipment of single many oar stirring curings of groove |
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| CN104692836A CN104692836A (en) | 2015-06-10 |
| CN104692836B true CN104692836B (en) | 2017-09-08 |
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| CN111229066A (en) * | 2020-03-23 | 2020-06-05 | 安徽华骐环保科技股份有限公司 | Vertical single-cylinder six-groove full-automatic medicine soaking machine |
| CN114307921B (en) * | 2021-12-15 | 2023-07-21 | 防城港盛农磷化有限公司 | Device and method for controlling fluidity and curing efficiency of slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367672A (en) * | 2008-09-26 | 2009-02-18 | 瓮福（集团）有限责任公司 | Manufacturing method of high concentration enrich superphosphate phosphorus fertilizer |
| CN101759444A (en) * | 2008-11-19 | 2010-06-30 | 陶伟平 | Method for improving property of calcium superphosphate |
| CN102153373A (en) * | 2011-04-12 | 2011-08-17 | 郴州市金龙铁合金有限公司 | Process for producing calcium superphosphate |
| CN103406056A (en) * | 2013-05-30 | 2013-11-27 | 防城港盛农磷化有限公司 | Calcium superphosphate size mixing, stirring and curing method and production device thereof |
| CN103553011A (en) * | 2013-10-30 | 2014-02-05 | 南京求是化工工程有限公司 | Production method of granular calcium superphosphate |
-
2015
- 2015-03-31 CN CN201510143856.9A patent/CN104692836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367672A (en) * | 2008-09-26 | 2009-02-18 | 瓮福（集团）有限责任公司 | Manufacturing method of high concentration enrich superphosphate phosphorus fertilizer |
| CN101759444A (en) * | 2008-11-19 | 2010-06-30 | 陶伟平 | Method for improving property of calcium superphosphate |
| CN102153373A (en) * | 2011-04-12 | 2011-08-17 | 郴州市金龙铁合金有限公司 | Process for producing calcium superphosphate |
| CN103406056A (en) * | 2013-05-30 | 2013-11-27 | 防城港盛农磷化有限公司 | Calcium superphosphate size mixing, stirring and curing method and production device thereof |
| CN103553011A (en) * | 2013-10-30 | 2014-02-05 | 南京求是化工工程有限公司 | Production method of granular calcium superphosphate |
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Denomination of invention: Preparation method and production equipment of superphosphate slurry with single tank and multi blade stirring and maturation Granted publication date: 20170908 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: FANGCHENGGANG SHENGNONG PHOSPHATE Co.,Ltd. Registration number: Y2024980008375 |
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