CN203461982U - Sulfur-based composite fertilizer production device - Google Patents
Sulfur-based composite fertilizer production device Download PDFInfo
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- CN203461982U CN203461982U CN201320464853.1U CN201320464853U CN203461982U CN 203461982 U CN203461982 U CN 203461982U CN 201320464853 U CN201320464853 U CN 201320464853U CN 203461982 U CN203461982 U CN 203461982U
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Abstract
The utility model discloses a sulfur-based composite fertilizer production device which comprises a mixing stirrer, a crusher, a granulator, a slurry distributor, a drier, a preneutralization tail washer, a urea spray cylinder and a screener, wherein the mixing stirrer is used for uniformly mixing and stirring raw materials; the crusher is used for crushing large agglomerates of the materials which are uniformly mixed and stirred, and the crusher is arranged above the granulator; the granulator is used for granulating the materials which are uniformly stirred and completely crushed; the slurry distributor is used for spraying slurry to a material bed of the granulator; the drier is connected with the granulator and used for drying granular materials generated by the granulator; the preneutralization tail washer is used for generating preneutralization slurry and delivering the preneutralization slurry to the slurry distributor; the urea spray cylinder supplements nitrogen to finished granules positioned on the delivery position of the drier; the screener is connected with the drier through a transmission belt and screens the finished granules after nitrogen supplementing. The sulfur-based composite fertilizer production device disclosed by the utility model has the advantages of stability in product quality and uniformity in granule, the operation stabilization rate is more than 98%, the ammonia yield is up to 99%, the potassium yield is up to 99.9% and the clean production without sewage discharge is realized.
Description
Technical field
The utility model relates to composite fertilizer's production technical field, relates in particular to a kind of Unit for Production of Sulfate-Based Compound Fertilizers.
Background technology
Existing production of sulfur-based compound fertilizer technique is general directly introduces potassium nutrition production sulfur ternary composite fertilizer with commodity potassium sulfate, and production cost is higher, and product nutrient is unbalanced.In order to overcome above-mentioned shortcoming, developed the production technique of producing S-based compound fertilizer by kcl low temperature conversion method: solid Repone K and the vitriol oil through accurate-metering add conversion tank, under heated condition, carry out conversion reaction, the KHSO4 solution overflow generating enters nitration mixture groove, at this, allocate the phosphoric acid washing liquid that the dry washing procedure of NPK produces into, the nitration mixture pumping forming enters pre-neutralization groove, through logical ammonia neutralization reaction (degree of neutralization 0.6 ~ 0.8), generate pre-neutralization NPK slip, through pumping, enter granulation tubular reactor, at this further logical ammonia, complete neutralization reaction (degree of neutralization 1.6 ~ 1.8), on the material bed that the NPK slip reacting completely rolls at tablets press by nozzles spray, through coating, bonding and on a small quantity from granulating, (general particle consists of 2 ~ 4mm and accounts for 50 ~ 70% the NPK solid materials generating, ﹥ 4mm10 ~ 25%, ﹤ 2mm10 ~ 20%, moisture 4 ~ 6%), drying (moisture be down to 2% once), two-stage screening, get finished product particle and through spray urine cylinder, mend nitrogen successively, after parcel cylinder parcel oil-bound distemper coating, fine screen screening, 2 ~ 4mm finished product is sent to packing.After the macroparticle of the fine particle of screening, fragmentation, the fine powder of dedusting and part finished product mix, as returning charge, deliver to tablets press and do masterbatch.What granulation process and drying process produced contains ammonia, NPK dust tail gas through whirlwind dry method dust, two-stage Venturi and the wet scrubbing of one-level washing tower, tail gas qualified discharge.
Yet this production technique production capacity is not high, daily output can only reach 300t, and nutrient fluctuation is large, and product pellet outward appearance is poor, and system driving rate is lower, obstruction is frequent, and cleaning work amount is large, and production environment is severe, urgently improves.
Utility model content
The problem existing for prior art, the purpose of this utility model is to propose a kind of Unit for Production of Sulfate-Based Compound Fertilizers, and to improve production capacity, balanced nutrient, improves production environment.
A Unit for Production of Sulfate-Based Compound Fertilizers, comprising: mixing and blending machine, crusher, tablets press, slip device for distributing, drying machine, pre-neutralization tail are washed machine, spray urine cylinder and sieve apparatus;
Described mixing and blending machine, for by raw material mixing and stirring;
Described crusher, the material stirring of carrying for receiving described mixing and blending machine, pulverizes the material bulk caking of mixing and stirring; And described crusher is arranged in described tablets press top, broken rear material directly enters described tablets press;
Described tablets press, for carrying out granulation by the material after stirring, crushing;
Described slip device for distributing, for material spray slurry on the material bed to described tablets press;
Described drying machine, is connected with described tablets press by transport tape, for the granulating dry materials that tablets press is generated;
Described pre-neutralization tail is washed machine, for generating pre-neutralization slip, delivers to described slip device for distributing;
Described spray urine cylinder, mends nitrogen to the finished product particle of described drying machine conveying place;
Described sieve apparatus, is connected with described drying machine by transport tape, and the finished product particle of mending after nitrogen is sieved.
Preferably, described tablets press inner shield ring height is 350～480mm.
Preferably, in described tablets press, granulation zone accounts for 6000～7500mm, and polishing area accounts for 1500～3000mm.
Preferably, described drying machine afterbody increases trommel screen.
Preferably, described pre-neutralization tail is washed machine and is set up hot wash device.
Preferably, described pre-neutralization tail is washed machine and is set up displacement pipeline, for when washings proportion is too high or degree of neutralization is higher, makes washings return to tank field by pumping and stores, and supplement dilute phosphoric acid simultaneously and replace.
Preferably, in described spray urine cylinder, two collets are increased respectively 50 ~ 120mm.
Preferably, described crusher is chain type pulverizer.
Preferably, described tablets press is rotary drum granulator, pair roller Squeezinggranulator or granulating disc.
Preferably, described mixing and blending machine is horizontal mixer or pan mixer.
In the utility model, constant product quality, particle is even, and device driving rate is stabilized in more than 98%, and ammonia yield reaches 99%, potassium yield has reached 99.9%, there is no sewage discharge simultaneously, has realized cleaner production.
Accompanying drawing explanation
Fig. 1 is a kind of Unit for Production of Sulfate-Based Compound Fertilizers structure iron in the utility model embodiment.
10, mixing and blending machine; 20, crusher; 30, tablets press; 40, slip device for distributing; 50, drying machine; 60, spray urine cylinder; 70, sieve apparatus; 80, pre-neutralization tail is washed machine.
Embodiment
The utility model embodiment provides a kind of Unit for Production of Sulfate-Based Compound Fertilizers, as shown in Figure 1, comprising: mixing and blending machine 10, crusher 20, tablets press 30, slip device for distributing 40, drying machine 50, pre-neutralization tail are washed machine 80, spray urine cylinder 60 and sieve apparatus 70.Wherein, described mixing and blending machine 10, be used for raw material mixing and stirring, wherein, raw material generally can select urea, ammonium nitrate, ammonium chloride, sulphur ammonium, phosphorus ammonium, Repone K (potassium sulfate) etc. to be equipped with by a certain percentage, the raw material stirring preparing evenly can be improved to the even fertilizer efficiency content of fertiliser granulates integral body; Described crusher 20, the material stirring of carrying for receiving described mixing and blending machine 10, pulverizes the material bulk caking of mixing and stirring; And described crusher 20 is arranged in described tablets press 30 tops, broken rear material directly enters described tablets press 30; Described tablets press 30, for carrying out granulation by the material after stirring, crushing; Described slip device for distributing 40, for material spray slurry on the material bed to described tablets press 30; Described drying machine 50, is connected with described tablets press 30 by transport tape, for the granulating dry materials that tablets press 30 is generated; Described pre-neutralization tail is washed machine 80, for generating pre-neutralization slip, delivers to described slip device for distributing 40; Described spray urine cylinder 60, mends nitrogen to the finished product particle of described drying machine 50 conveyings place; Described sieve apparatus 70, is connected with described drying machine 50 by transport tape, the finished product particle of mending after nitrogen sieved, and screening particle work in-process, underproof particle returns to the reprocessing of mix and blend link; Qualified product is coated with to brightness and the roundness degree that clothing coating increases particle, makes appearance more beautiful, generally with coating machine, carry out coating; Finished particle quantitative package: the particle that wrapped film namely finished particle is sent into feed bin by rotary conveyor and temporarily stored, then the automatic quantitative packing envelope such as connecting electronic ration package scale, sack closer, place ventilation and preserve.
In the utility model embodiment, crusher location-appropriate is raised, can be arranged in tablets press top, broken rear material directly enters tablets press; Avoided existing scheme crusher to arrange, large grain enters returning charge bucket and carries after fragmentation, causes the bucket elevator obstruction that frequently scabs, and causes driving rate problem on the low side; , there is not the latch up phenomenon that scabs in bucket elevator operational excellence after transformation, driving rate improves 3～5%.
In the utility model embodiment, tablets press back-up ring height, by 280mm, is increased to 350～480mm.Tablets press subregion is adjusted, by back-up ring displacement, by granulation zone account for 8000mm, polishing area accounts for 1000mm, is adjusted into that granulation zone accounts for 6000～7500mm, polishing area accounts for 1500～3000mm.After transformation, packing factor, by 8%, is increased to 15～25% left and right, and throughput significantly improves, and daily output can be stabilized in 390～430 tons.
In the utility model embodiment, for sulfenyl nitrogen-phosphorus-potassium slip character, design specialized shower nozzle, and be applied to produce, slip sprays evenly, and granulating is effect improved obviously, and particle is more even.
In the utility model embodiment, drying machine guide flight is optimized, greatly reduces head and leak material situation; Drying machine afterbody increases trommel screen, separated in advance to material drying, avoids bulk to fall into after oven dry bucket is carried and causes equipment and elephant trunk to stop up.
In the utility model embodiment, by pre-neutralization groove, increase ammonia jet pipe, neutralization reaction equilibrium is carried out, and has stablized slip degree of neutralization; Tail is washed into the adjustment of phosphoric acid pipeline location, and increases hot wash device, and pipeline scale slows down, conduit running cycle stretch-out; Tail is washed washings increases displacement pipeline, if when washings proportion is too high or degree of neutralization is higher, washings returns to tank field by pumping and stores, and supplements dilute phosphoric acid simultaneously and replace; Improved system ammonia yield, tail gas can stably reaching standard discharge.
In the utility model embodiment, determine that by analysis production process spray urine cylinder scabs serious, all will clear up every day, and parcel cylinder easily goes out flower material after parcel oil mass strengthens a little, particle irregular colour is even, is to cause due to material filling coefficient deficiency; By two equipment collets are increased respectively after 50 ~ 120mm, operating performance is fine, and spray urine cylinder seldom scabs, and product pellet color is more even.
In the utility model embodiment, described crusher is chain type pulverizer; Described tablets press is rotary drum granulator, pair roller Squeezinggranulator or granulating disc; Described mixing and blending machine is horizontal mixer or pan mixer.
The utility model embodiment provide the above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a Unit for Production of Sulfate-Based Compound Fertilizers, is characterized in that, comprising:
Mixing and blending machine, crusher, tablets press, slip device for distributing, drying machine, pre-neutralization tail are washed machine, spray urine cylinder and sieve apparatus;
Described mixing and blending machine, for by raw material mixing and stirring;
Described crusher, the material stirring of carrying for receiving described mixing and blending machine, pulverizes the material bulk caking of mixing and stirring; And described crusher is arranged in described tablets press top, broken rear material directly enters described tablets press;
Described tablets press, for carrying out granulation by the material after stirring, crushing;
Described slip device for distributing, for material spray slurry on the material bed to described tablets press;
Described drying machine, is connected with described tablets press by transport tape, for the granulating dry materials that tablets press is generated;
Described pre-neutralization tail is washed machine, for generating pre-neutralization slip, delivers to described slip device for distributing;
Described spray urine cylinder, mends nitrogen to the finished product particle of described drying machine conveying place;
Described sieve apparatus, is connected with described drying machine by transport tape, and the finished product particle of mending after nitrogen is sieved.
2. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described tablets press inner shield ring height is 350～480mm.
3. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, in described tablets press, granulation zone accounts for 6000～7500mm, and polishing area accounts for 1500～3000mm.
4. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described drying machine afterbody increases trommel screen.
5. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described pre-neutralization tail is washed machine and set up hot wash device.
6. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, it is characterized in that, described pre-neutralization tail is washed machine and is set up displacement pipeline, for when washings proportion is too high or degree of neutralization is higher, make washings return to tank field by pumping and store, and supplement dilute phosphoric acid simultaneously and replace.
7. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, in described spray urine cylinder, two collets are increased respectively 50 ~ 120mm.
8. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described crusher is chain type pulverizer.
9. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described tablets press is rotary drum granulator, pair roller Squeezinggranulator or granulating disc.
10. Unit for Production of Sulfate-Based Compound Fertilizers according to claim 1, is characterized in that, described mixing and blending machine is horizontal mixer or pan mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464853.1U CN203461982U (en) | 2013-07-31 | 2013-07-31 | Sulfur-based composite fertilizer production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464853.1U CN203461982U (en) | 2013-07-31 | 2013-07-31 | Sulfur-based composite fertilizer production device |
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| Publication Number | Publication Date |
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| CN203461982U true CN203461982U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320464853.1U Expired - Lifetime CN203461982U (en) | 2013-07-31 | 2013-07-31 | Sulfur-based composite fertilizer production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420699A (en) * | 2013-07-31 | 2013-12-04 | 安徽省司尔特肥业股份有限公司 | Device for preparing sulfur-based compound fertilizer |
-
2013
- 2013-07-31 CN CN201320464853.1U patent/CN203461982U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420699A (en) * | 2013-07-31 | 2013-12-04 | 安徽省司尔特肥业股份有限公司 | Device for preparing sulfur-based compound fertilizer |
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Granted publication date: 20140305 |