CN205367732U - Fodder level calcium dihydrogen phosphate apparatus for producing - Google Patents
Fodder level calcium dihydrogen phosphate apparatus for producing Download PDFInfo
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- CN205367732U CN205367732U CN201521061324.2U CN201521061324U CN205367732U CN 205367732 U CN205367732 U CN 205367732U CN 201521061324 U CN201521061324 U CN 201521061324U CN 205367732 U CN205367732 U CN 205367732U
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Abstract
The utility model discloses a fodder level calcium dihydrogen phosphate apparatus for producing, by joining in marriage the dressing trough, the first order reaction groove, the second order reaction groove, spray drier, the cylindrical drier, the breaker, the screening machine becomes with cooling unit, join in marriage that the dressing trough passes through the pipeline with the first order reaction groove and the shurry pump is connected, the first order reaction groove passes through the pipeline with the second order reaction groove and the shurry pump is connected, the second order reaction groove passes through the pipeline with spray drier and the shurry pump is connected, spray drier, the cylindrical drier, the breaker, screening machine and cooler are then connected with pipeline in proper order. The utility model discloses a device is compared with current technology has following advantage: 1. Save the curing process of original technology, the production time shortens greatly, 2. The production site area who uses significantly reduces, has saved the construction investment, 3. Control is easy, easy operation. Be applicable to production fodder level calcium dihydrogen phosphate product.
Description
Technical field
This utility model relates to phosphate, particularly relates to the phosphate of calcium, furthermore relates to feed-level calcium biphosphate process units.
Background technology
The principal item of feed-grade calcium phosphate salt has tricalcium phosphate, calcium hydrogen phosphate, dalcium biphosphate, all belongs to mineral element nutritive additive.Wherein, dalcium biphosphate (MCP) is a kind of excellent high efficiency phosphatic feed additive, phosphorous height, and water-soluble rate is high, is widely used in aquatic animal and the feed additive of livestock and poultry cultivation animal.Owing to dalcium biphosphate water-soluble phosphorus content is higher, content accounts for more than total phosphorus 90wt%, is conducive to the aquatic animal absorption to calcium phosphorus, and digestibility is more than 90%, and excretion is few, is conducive to the features such as environmental conservation.At home and abroad find broad application.
The production of feed-level calcium biphosphate reacts with calcium salt after mainly taking wet phosphoric acid purifying concentration, prepares finished product through processes such as ripening, pulverizing, drying.The patent application relating to feed-level calcium biphosphate has 20, phosphoric acid and calcium carbonate reaction has No. ZL2012102063256 " method of Wet-process Phosphoric Acid Production feed-level calcium biphosphate " in a wet process, system adopt phosphorus concentrate extract phosphoric acid,diluted, concentration obtain strong phosphoric acid, remove impurity and obtain purifying phosphoric acid, generating slip with calcium carbonate through two-stage reaction again, drying, ripening obtain mash feed level calcium biphosphate finished product；Additionally undelegated have No. 01107387X " a kind of method of low concentration Wet-process Phosphoric Acid Production feed-level calcium biphosphate ", No. 011072059 " new feed-level calcium biphosphate and the production method of high-phosphorus products ", No. 2012102063256 " method of Wet-process Phosphoric Acid Production feed-level calcium biphosphate ", No. 2014102474939 " methods of dry production feed-level calcium biphosphate " and No. 2015100043092 " a kind of methods producing feed-level calcium biphosphate " etc..
These techniques all need enough curing times, and the construction of device is taken up an area inevitable relatively big, and equipment investment is higher, and unstable product quality.
Summary of the invention
This utility model aims to provide a kind of can reduce the product curing time, ensure that the feed-level calcium biphosphate process units of product quality, to overcome the defect of prior art simultaneously.
The feed-level calcium biphosphate process units that designer provides is made up of groove with slurry, first order reaction groove, secondary response groove, spray dryer, drum drier, disintegrating machine, screening machine and cooler, groove with slurry is connected by pipeline and shurry pump with first order reaction groove, first order reaction groove is connected by pipeline and shurry pump with secondary response groove, secondary response groove is connected by pipeline and shurry pump with spray dryer, and spray dryer, drum drier, disintegrating machine, screening machine and cooler then connect with conveyance conduit successively.
Above-mentioned groove with slurry has import and the hot water inlet of Paris white, and Paris white and hot water make Paris white slip in the cell.
Above-mentioned first order reaction groove has phosphoric acid import, and Paris white slip and phosphoric acid are neutralized reaction wherein.
Above-mentioned groove with slurry, first order reaction groove, secondary response groove are mounted on agitator, make slip homogenizing by stirring.
Above-mentioned spray dryer, drum drier all have hot wind inlet, are used for drying slip.
Above-mentioned screening machine is provided with returning charge pipeline, again crushes for oversize is then returned disintegrating machine.
Above-mentioned cooler, with material outlet, is used for releasing dalcium biphosphate finished product.
Device using method of the present utility model is as follows: first by mass fraction (with P2O5Meter) be 40%～50% the conventionally defluorinate of raw material phosphoric acid, dearsenization, standby after reaching technological requirement；Being mixed in groove with slurry with water by mass fraction oxide spinel calcium more than 98% again, making mass fraction is 50% Paris white slip, standby；The phosphoric acid and Paris white slip shurry pump that meet technological requirement are sent in first order reaction groove and is neutralized reaction, temperature controls to be reacted to dalcium biphosphate at 40 DEG C～60 DEG C most of phosphoric acid and calcium powder, and after stirring, slip shurry pump is extracted out and is sent to secondary response groove；Slip is in secondary response groove proceeds and reacts, temperature controls at 75 DEG C～95 DEG C, makes overwhelming majority phosphoric acid be reacted to dalcium biphosphate with Paris white, stirs, response time controls at 4h, and slip is sent to drying system with shurry pump extraction after reaching predetermined technic index；Slip first carries out spray drying with hot blast at spray dryer, then carries out drum dried with hot blast at drum drier, reaches drought index and the moisture mass fraction of dry powder is 6%～8%, send to broken；With the dry powder crusher in crushing of block, crossing screening machine, the powder that siftage is qualified is dalcium biphosphate semi-finished product, and oversize then returns disintegrating machine and again crushes；Dalcium biphosphate semi-finished product obtain dalcium biphosphate finished product after supercooling, and through inspection, certified products packaging becomes feed-level calcium biphosphate product.
Device of the present utility model has the advantage that the curing step 1. saving original technique compared with the prior art, and the production time is greatly shortened；2. the production site area used greatly reduces, and saves construction investment；3. control easily, simple to operate.It is applicable to produce feed-level calcium biphosphate product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 is groove with slurry, and 2 is first order reaction groove, and 3 is secondary response groove, and 4 is spray dryer, and 5 is drum drier, and 6 is disintegrating machine, and 7 is screening machine, and 8 is cooler, and 9 is shurry pump.
Detailed description of the invention
Implement the feed-level calcium biphosphate process units of such as Fig. 1, it is made up of groove 1 with slurry, first order reaction groove 2, secondary response groove 3, spray dryer 4, drum drier 5, disintegrating machine 6, screening machine 7 and cooler 8, groove 1 with slurry is connected by pipeline and shurry pump 9 with first order reaction groove 2, first order reaction groove 2 is connected by pipeline and shurry pump 9 with secondary response groove 3, secondary response groove 3 is connected by pipeline and shurry pump 9 with spray dryer 4, and spray dryer 4, drum drier 5, disintegrating machine 6, screening machine 7 and cooler 8 then connect with conveyance conduit successively.
Groove 1 with slurry has import and the hot water inlet of Paris white, first order reaction groove 2 has phosphoric acid import, groove 1 with slurry, first order reaction groove 2, secondary response groove 3 are mounted on agitator, spray dryer 4, drum drier 5 all have hot wind inlet, screening machine 7 is provided with returning charge pipeline, and cooler 8 is with material outlet.
Claims (7)
1. a feed-level calcium biphosphate process units, it is characterized in that it is by groove with slurry (1), first order reaction groove (2), secondary response groove (3), spray dryer (4), drum drier (5), disintegrating machine (6), screening machine (7) and cooler (8) composition, groove with slurry (1) is connected by pipeline and shurry pump (9) with first order reaction groove (2), first order reaction groove (2) is connected by pipeline and shurry pump (9) with secondary response groove (3), secondary response groove (3) is connected by pipeline and shurry pump (9) with spray dryer (4), spray dryer (4), drum drier (5), disintegrating machine (6), screening machine (7) and cooler (8) then connect with conveyance conduit successively.
2. process units as claimed in claim 1, it is characterised in that described groove with slurry (1) has import and the hot water inlet of Paris white.
3. process units as claimed in claim 1, it is characterised in that described first order reaction groove (2) has phosphoric acid import.
4. process units as claimed in claim 1, it is characterised in that described groove with slurry (1), first order reaction groove (2), secondary response groove (3) are mounted on agitator.
5. process units as claimed in claim 1, it is characterised in that described spray dryer (4), drum drier (5) all have hot wind inlet.
6. process units as claimed in claim 1, it is characterised in that described screening machine (7) is provided with returning charge pipeline.
7. process units as claimed in claim 1, it is characterised in that described cooler (8) is with material outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061324.2U CN205367732U (en) | 2015-12-18 | 2015-12-18 | Fodder level calcium dihydrogen phosphate apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061324.2U CN205367732U (en) | 2015-12-18 | 2015-12-18 | Fodder level calcium dihydrogen phosphate apparatus for producing |
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| CN205367732U true CN205367732U (en) | 2016-07-06 |
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| CN201521061324.2U Active CN205367732U (en) | 2015-12-18 | 2015-12-18 | Fodder level calcium dihydrogen phosphate apparatus for producing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083247A (en) * | 2017-12-28 | 2018-05-29 | 四川绵竹三佳饲料有限责任公司 | A kind of calcium hydrophosphate fodder production system |
| CN108249415A (en) * | 2017-12-28 | 2018-07-06 | 中化云龙有限公司 | The processing method and device of calcium dihydrogen phosphate |
| CN110862074A (en) * | 2019-12-18 | 2020-03-06 | 瓮福（集团）有限责任公司 | Preparation method for producing calcium dihydrogen phosphate slurry by wet-process phosphoric acid slurry method |
| CN113716538A (en) * | 2021-09-29 | 2021-11-30 | 连云港东泰食品配料有限公司 | Production process and equipment of monocalcium phosphate |
-
2015
- 2015-12-18 CN CN201521061324.2U patent/CN205367732U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083247A (en) * | 2017-12-28 | 2018-05-29 | 四川绵竹三佳饲料有限责任公司 | A kind of calcium hydrophosphate fodder production system |
| CN108249415A (en) * | 2017-12-28 | 2018-07-06 | 中化云龙有限公司 | The processing method and device of calcium dihydrogen phosphate |
| CN110862074A (en) * | 2019-12-18 | 2020-03-06 | 瓮福（集团）有限责任公司 | Preparation method for producing calcium dihydrogen phosphate slurry by wet-process phosphoric acid slurry method |
| CN113716538A (en) * | 2021-09-29 | 2021-11-30 | 连云港东泰食品配料有限公司 | Production process and equipment of monocalcium phosphate |
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