CN104557212A - Method for preparing polygonum multiflorum Chinese herbal medicine nutrition fertilizer - Google Patents
Method for preparing polygonum multiflorum Chinese herbal medicine nutrition fertilizer Download PDFInfo
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- CN104557212A CN104557212A CN201510029136.XA CN201510029136A CN104557212A CN 104557212 A CN104557212 A CN 104557212A CN 201510029136 A CN201510029136 A CN 201510029136A CN 104557212 A CN104557212 A CN 104557212A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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Abstract
The invention relates to the technical field of chemical industry and discloses a method for preparing a polygonum multiflorum Chinese herbal medicine nutrition fertilizer. The method comprises the following steps: analyzing the ratio of the nutrient elements needed by growth of polygonum multiflorum by detecting the amount of various nutrient elements absorbed from soil in the polygonum multiflorum growth process, thereby obtaining the polygonum multiflorum fertilizer special for polygonum multiflorum. Phosphoric acid and carbamide react to generate an intermediate product, the intermediate product reacts with an alkaline calcium salt, and one part of monocalcium phosphate generated in the reaction is crystallized and separated out through control of the parameters in the reaction, so that the contents of nitrogen and phosphorus in the reaction solution are regulated to prepare the polygonum multiflorum Chinese herbal medicine nutrition fertilizer. According to the production method, the raw materials are fully utilized, and the prepared polygonum multiflorum Chinese herbal medicine nutrition fertilizer has the advantages that the yield and quality of the polygonum multiflorum can be improved, and the purity of the byproduct monocalcium phosphate is high.
Description
Technical field
The present invention relates to chemical technology field, particularly relate to a kind of compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
Background technology
Tuber Fleeceflower Root is polygonaceae perennial winding vine.Root is elongated, and end becomes loose block root, effects such as having tonifying liver, kidney-nourishing, nourish blood, dispel the wind.Control hepatic and renal YIN deficiency, sending out must be early white, and the deficiency of blood is dizzy, and waist knee is weak, and muscles and bones is ached, and seminal emission, collapses band, chronic malaria, protracted dysentery, chronic hepatitis, and carbuncle swells, scrofula, intestines wind, haemorrhoids.Radix Polygoni Multiflori Preparata invigorating the liver and kidney, benefiting essence-blood, black beard and hair, strengthens the bone; For dizzy tinnitus, early whitening of beard and hair, soreness of the waist and knees, numb limbs and tense tendons, neurasthenia, hyperlipidemia.Polygonum multiforum root tuber is containing anthraquinone analog compound, and main is Schuttgelb, chrysophanol and rheochrysidin, rhubarb yellow, chrysophanic acid anthrone.Again containing stilbene compound: trans-resveratrol, piceid, 2,3,5,4 '-tetrahydroxystilbene-2-O-D-glycoside, 2,3,5,4 '-tetrahydroxystilbene-2-O-glycosides-2 "-O-gallic acid ester, 2; 3,5,4 '-tetrahydroxystilbene-2-O-glycoside-3 "-O-gallic acid ester.Also containing gallic acid, dextrorotation cachou extract, dextrorotation epicatechin, Yelkin TTS etc.Such material have anti-ageing, protect the liver, antibacterial, the effect such as myocardial preservation and reducing blood-fat, thus market being in great demand to Tuber Fleeceflower Root, is in the situation that supply falls short of demand substantially.Therefore, it is necessary for working out a kind of fertilizer to increase the output of Tuber Fleeceflower Root.According to the study, the ratio of the nitrogen, Vanadium Pentoxide in FLAKES and the potassium oxide that absorb in Tuber Fleeceflower Root process of growth is 5:7:8.At present, the Tuber Fleeceflower Root of people's cultivation, generally all uses composite fertilizer, and this fertilizer can promote that Tuber Fleeceflower Root grows and increase yield, but the proportioning of this fertilizer does not meet needed for Tuber Fleeceflower Root growth, causes Tuber Fleeceflower Root to yield poorly and grows slow.
For this reason, there is investigator from the nutritive element angle needed for Tuber Fleeceflower Root growth, prepare Tuber Fleeceflower Root special fertilizer.Such as, number of patent application is 201110127956.4 to disclose " a kind of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum ", and this Fertilizer nutrient is complete, nutritive element reasonable ratio, but this fertilizer is the Chemical Mixed Fertilizer of compound state, and the utilization ratio of this kind of fertilizer is lower.
Monocalcium phosphate is a kind of mineral compound, colourless three inclined tab shapes, granular or crystalline powder, be widely used in the fodder additives of aquatic animal and livestock and poultry cultivation animal, as quality improvers such as raising agent, dough conditioner, buffer reagent, accessory substance, emulsifying agent, stablizers.Monocalcium phosphate is improved the effect of the complexation of metal ions, pH value, increase ionic strength etc. of food, can improve adhesion and the retentiveness of food.For flour, cake, cake, roasting product, fried food product, biscuit, milk powder, cold drink, ice-creams etc.China specifies, for bread, biscuit, saleratus, and maximum usage quantity 4.0g/kg (in phosphoric acid); Solid beverage 8.0g/kg; Wheat-flour can use in right amount by need of production.At present, the preparation method of monocalcium phosphate has two kinds, and one is secondary calcium phosphate method, is neutralized by food-grade calcium hydrogen phosphate or food grade tricalcium phosphate and food grade phosphoric acid solution, and controlling terminal is Ph value 3.2; Namely product is obtained again through concentrated, crystallization; Another kind is lime method, uses limestone vegetation food grade phosphoric acid, and controlling terminal is pH value 3.2, obtains product.The preparation technology of these two kinds of methods is comparatively simple, but the quality of the monocalcium phosphate of preparation is difficult to be up to state standards.
The improvement of above technology still also exists larger problems, its process regulation is bad, then can generate other other products in the reaction, calcium monohydrogenphosphate is generated as monocalcium phosphate is easily hydrolyzed in water, cause the yield of monocalcium phosphate lower, meanwhile, in whole production technique, also have a large amount of waste and old mass emissions, be difficult to the zero release problem of address contamination; And, biphosphate calcium product is also difficult to separate out completely in the process of crystallization, but be in the saturated solution of state of saturation all the time, then content is larger in the solution to make monocalcium phosphate, if degree of depth crystallization, the purity of the biphosphate calcium product then obtained is poor, affects the quality of biphosphate calcium product.
Production method about monocalcium phosphate has a lot, such as, number of patent application is 201210206325.6 disclosed " methods of Wet-process Phosphoric Acid Production feed-level calcium biphosphate ", it obtains phosphorus concentrate through reverse flotation after adopting natural Rock Phosphate (72Min BPL) slurrying, two water law abstraction desulfurizations are taked to obtain dilute sulphuric acid again, ageing supernatant is concentrated obtains strong phosphoric acid, again by limestone mine after treatment with phosphatase reaction, prepare monocalcium phosphate, the method cost is low, phosphorous recovery is high, but the difficult quality of the monocalcium phosphate produced reaches feed-level calcium biphosphate quality standard.
Summary of the invention
In view of this, the object of this invention is to provide a kind of compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, the ratio of Tuber Fleeceflower Root to the demand of nutritive element is not met to solve the collocation of existing fertilizer Middle nutrition element, cause the fertilizer used Tuber Fleeceflower Root lower by Tuber Fleeceflower Root specific absorption, some of them element compound remains in soil, change the structure of soil, contaminate environment.Simultaneously, solve in the process preparing biphosphate calcium product, the waste of a large amount of monocalcium phosphate that monocalcium phosphate crystallization not exclusively can cause, monocalcium phosphate crystallization brings a large amount of impurity into can to excessively again monocalcium phosphate product, then makes the technical problem that the purity of biphosphate calcium product is lower.
The present invention solves the problems of the technologies described above by the following technical programs:
A compound method for Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, comprises the following steps:
(1) raw material mixing, temperature adjustment, stirring, separation: be (1.1-1.4) with carboxamide with mol ratio by phosphoric acid: 1 mixes, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 150-200 DEG C, stirring reaction 160-180min, after temperature being cooled to 20-40 DEG C, centrifugation obtains intermediate again;
(2) alkaline calcium salt, crystallization is added: be 1:(0.6-0.8 by the intermediate that obtains in step (1) and alkaline calcium salt with mol ratio) hybrid reaction, take stirring velocity as 200-250r/min stirring reaction 40-60min, and the pH value regulating reaction is 8.5-9.5, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing calcium, this slip is placed in cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen content in filtrate be 7-9%, phosphorus pentoxide content be 9-11% time, stop crystallization and filter, the filter cake obtained is biphosphate calcium product;
(3) nutritive element, drying is added: in the filtrate of filtering monocalcium phosphate in step (2), add the first finished product that potassium and other medium trace element compounds are adjusted to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, in this first finished product, nitrogen content is 7-8%, phosphorus pentoxide content is 10-11%, potassium oxide content is 11-13%, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 25-30 DEG C, after dry 40-60min, adjustment moisture content is 3-5%, can obtain Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
Described intermediate is Ureaphil.
In described step (1), be that 1.3:1 is added in reactor and mixes with mol ratio by phosphoric acid and carboxamide, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 180 DEG C, stirring reaction 170min, after temperature being cooled to 30 DEG C, centrifugation obtains intermediate again.
In described step (2), when intermediate and alkaline potassium salt react, stirring velocity is 230r/min, and the reaction times is 50min, and the pH value of reaction soln is 8.5.
Described alkaline calcium salt is calcium hydroxide.
Described medium trace element compound is calcium sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, borax and copper sulfate.
The mol ratio of described intermediate and alkaline calcium salt is 1:0.7.
Adopt heat-up rate to be that 5 DEG C/min is warming up to 28 DEG C in described step (3), after dry 50min, adjustment moisture content is 4%.
Beneficial effect of the present invention is:
1, traditional monocalcium phosphate, by in food-grade calcium hydrogen phosphate or food grade tricalcium phosphate and food grade phosphoric acid solution and prepare monocalcium phosphate, phosphorous recovery is low, product easily lumps, and the impurity contained is more, after the present invention adopts phosphoric acid and carboxamide to react, react by reactant and alkaline calcium salt again, make a part of monocalcium phosphate crystallization, to control the content of nitrogen and phosphorus in reaction solution, the monocalcium phosphate purity produced thus is higher.
2, the present invention first separates out monocalcium phosphate by making the reaction solution of preparation Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, and then in adjustment reaction solution the content of nitrogen, phosphorus and potassium meet Tuber Fleeceflower Root grow needed for ratio, the Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum produced can be absorbed more fully by Tuber Fleeceflower Root, with minimum fertilizers input, the Tuber Fleeceflower Root that output is maximum, has significant economic worth.
Do not have waste liquid to discharge in the process of 3, production Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum of the present invention, can not bring pollution, have the significant value of environmental protection to environment, meanwhile, its raw material availability is absolutely, makes the production cost of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum lower.
4, Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum of the present invention is chemical combination state Chemical Mixed Fertilizer, by to parameter in production technique, namely be exactly temperature, the control of material concentration and proportioning, after making phosphoric acid and urea reaction, generate Ureaphil product, Ureaphil product itself has stronger acidity, and between phosphoric acid and urea, be the chemical combination state double salt be combined together to form by the mode of coordinate bond, also be fertile as crop in conventional art, and crop is to the specific absorption comparison urea of this chemical combination state double salt, volatile salt, the unitary such as ammonium nitrate, binary fertilizer specific absorption is a kind of chemical combination state special fertilizer all preferably, but, under the environment that this chemical combination state double salt exists at phosphoric acid, at the temperature of 80-250 DEG C, complicated decomposition polyreaction can be there is, Ureaphil is made to form (H
2pO
4)
-(H
2nCONH
3)
+two ions, (H
2nCONH
3)
+ion and phosphoric acid close, and be under the environment of 80-160 DEG C in temperature, formed
intermediate-ion and dihydrogen phosphate, and coordinate bond is formed between C and O, this intermediate-ion can form multielement intermediate-ion with centering element compound chelating, and then the compound electronegative with other can be continued or ion forms inner complex, improve constituent content in double salt, and then the nutrient content in the double salt of this ion existence can be adjusted, simultaneously, this inner complex can be hydrolyzed again and by crop, and then can provide fertilizer efficiency for crop effectively for a long time.
Embodiment
Conveniently those skilled in the art will recognize that the present invention will be further described below in conjunction with embodiment.Embodiment is only illustrating this invention, is not limitation of the invention, and the step not doing in embodiment to illustrate is all prior arts, is not described in detail at this.
The present invention carries out research and discussion by the mechanism of reacting phosphoric acid and carboxamide, and arrives in conjunction with prior art literature, and phosphoric acid and carboxamide react and generate Ureaphil, and its molecular formula is: CO (NH
2)
2.H
3pO
4under the environment of comparatively high temps, the chemical bond meeting dialysis between H and O in phosphoric acid, hydrogen ion is combined the ionic state formed containing positive charge with urea, the ion double salt making Ureaphil form a kind of positive and negative charge to attract mutually, its mechanism structural response following expression: CO (NH
2)
2.H
3pO
4→ (H
2pO
4)
-. (H
2nCONH
3)
+.
Under the environment that Ureaphil ion double salt exists at phosphoric acid, (H wherein
2nCONH
3)
+positive ion and phosphoric acid close, form the intermediate-ion of C → O coordinate bond, be (CO
5pN
2h
8)
+, and then make in Ureaphil intermediate containing a large amount of (H
2pO
4)
-(CO
5pN
2h
8)
+ion, when adding excessive and appropriate potassium ion, dihydrogen phosphate and potassium ion form monocalcium phosphate crystal and are precipitated, unnecessary potassium ion and (CO
5pN
2h
8)
+ionic reaction, and displace part NH
4 +, make in solution containing (CO
5pNH
4k)
+double salt ion, and analyze by detecting and control the content of N in solution, P, K element, the chemical combination state composite fertilizer containing N, P, K element can be obtained at heat drying.
The main chemical reactions equation that the present invention relates to is:
Reaction formula one:
CO(NH
2)
2+H
3PO
4→CO(NH
2)
2.H
3PO
4
Reaction formula two:
Reaction formula three:
Wherein, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
Reaction formula four:
Wherein, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
With embodiment, production method of the present invention is described further below:
Embodiment one
A kind of compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, be that 1.1:1 is added in reactor and mixes with mol ratio by phosphoric acid and carboxamide, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 150 DEG C, stirring reaction 160min, after temperature being cooled to 20 DEG C, centrifugation obtains intermediate again; Be 1:0.6 hybrid reaction in a kettle. by this intermediate and calcium hydroxide with mol ratio, take stirring velocity as 200r/min stirring reaction 60min, and the pH value regulating reaction is 8.5, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing calcium, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen content in filtrate be 7%, phosphorus pentoxide content be 10% time, stop crystallization also filtering, the filter cake obtained is biphosphate calcium product; In the filtrate of filtration monocalcium phosphate, add potassium hydroxide regulates nitrogen content in this filtrate to be 7%, phosphorus pentoxide content is 10%, potassium oxide content is 11%, the first finished product that calcium sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, borax and copper sulfate are adjusted to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum is added again in filtrate, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 25 DEG C, after dry 60min, adjustment moisture content is 5%, can obtain Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
Embodiment two
A kind of compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, be that 1.4:1 is added in reactor and mixes with mol ratio by phosphoric acid and carboxamide, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 200 DEG C, stirring reaction 180min, after temperature being cooled to 40 DEG C, centrifugation obtains intermediate again; Be 1:0.8 hybrid reaction in a kettle. by this intermediate and calcium hydroxide with mol ratio, take stirring velocity as 250r/min stirring reaction 40min, and the pH value regulating reaction is 9.5, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing calcium, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen content in filtrate be 9%, phosphorus pentoxide content be 11% time, stop crystallization also filtering, the filter cake obtained is biphosphate calcium product; In the filtrate of filtration monocalcium phosphate, add potassium hydroxide regulates nitrogen content in this filtrate to be 9%, phosphorus pentoxide content is 11%, potassium oxide content is 13%, the first finished product that calcium sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, borax and copper sulfate are adjusted to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum is added again in filtrate, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 30 DEG C, after dry 40min, adjustment moisture content is 3%, can obtain Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
Embodiment three
A kind of compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, be that 1.3:1 is added in reactor and mixes with mol ratio by phosphoric acid and carboxamide, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 180 DEG C, stirring reaction 170min, after temperature being cooled to 30 DEG C, centrifugation obtains intermediate again; Be 1:0.7 hybrid reaction in a kettle. by this intermediate and calcium hydroxide with mol ratio, take stirring velocity as 220r/min stirring reaction 50min, and the pH value regulating reaction is 9, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing calcium, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen content in filtrate be 8%, phosphorus pentoxide content be 10.5% time, stop crystallization also filtering, the filter cake obtained is biphosphate calcium product; In the filtrate of filtration monocalcium phosphate, add potassium hydroxide regulates nitrogen content in this filtrate to be 8%, phosphorus pentoxide content is 10.5%, potassium oxide content is 12%, the first finished product that calcium sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, borax and copper sulfate are adjusted to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum is added again in filtrate, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 28 DEG C, after dry 50min, adjustment moisture content is 4%, can obtain Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
Below in conjunction with test example, the technique effect of technical solution of the present invention and the quality of biphosphate calcium product of producing are verified:
Test example one
According to GB/T22548-2008 " People's Republic of China's chemical industry standard " feed-level calcium biphosphate test experience method, detect the quality of the product that embodiments of the invention one, embodiment two and embodiment three are produced, its result is as shown in table 1.
The quality examination of table 1 for embodiments of the invention production biphosphate calcium product and the comparative result of its cost:
As can be seen from the above table, the standard of the biphosphate calcium product that technical scheme of the present invention is produced exceedes the standard of feed-level calcium biphosphate product requirement, and the purity of product is also higher, has significant progressive.
Test example two
Choose physical features smooth, water source mellow soil plantation easily Tuber Fleeceflower Root, soil property is yellow earth, before transplanting Tuber Fleeceflower Root seedling first wholely, then be sprayed in soil with the how clever bacterium liquid of wetting properties and sterilize, use sufficient base fertilizer before plantation, annual 8-9 month adds disposable fertilizer again, keep ground moistening in planting process, and remove weeds and turk sequence at any time.Obtain a result as following table:
As can be seen from above-mentioned statistics, the fertilizer that the present invention produces is when amount of application is fewer than comparative group, the Tuber Fleeceflower Root of results is obviously many than comparative group, demonstrate Tuber Fleeceflower Root higher to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum absorption rate, and the proportioning of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum Middle nutrition element meets needed for Tuber Fleeceflower Root growth.Good also than comparative group of the embodiment of the present invention Tuber Fleeceflower Root quality cultivated of fertilizer of producing, proves that this Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum can not only improve the output of Tuber Fleeceflower Root, can also improve the quality of Tuber Fleeceflower Root.
Claims (8)
1. a compound method for Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, is characterized in that: comprise the following steps:
(1) raw material mixing, temperature adjustment, stirring, separation: be (1.1-1.4) with carboxamide with mol ratio by phosphoric acid: 1 mixes, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 150-200 DEG C, stirring reaction 160-180min, after temperature being cooled to 20-40 DEG C, centrifugation obtains intermediate again;
(2) alkaline calcium salt, crystallization is added: be 1:(0.6-0.8 by the intermediate that obtains in step (1) and alkaline calcium salt with mol ratio) hybrid reaction, take stirring velocity as 200-250r/min stirring reaction 40-60min, and the pH value regulating reaction is 8.5-9.5, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing calcium, this slip is placed in cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen content in filtrate be 7-9%, phosphorus pentoxide content be 9-11% time, stop crystallization and filter, the filter cake obtained is biphosphate calcium product;
(3) nutritive element, drying is added: in the filtrate of filtering monocalcium phosphate in step (2), add the first finished product that potassium and other medium trace element compounds are adjusted to Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum, in this first finished product, nitrogen content is 7-8%, phosphorus pentoxide content is 10-11%, potassium oxide content is 11-13%, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 25-30 DEG C, after dry 40-60min, adjustment moisture content is 3-5%, can obtain Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum.
2. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, is characterized in that: described intermediate is Ureaphil.
3. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, it is characterized in that: in described step (1), be that 1.3:1 is added in reactor and mixes with mol ratio by phosphoric acid and carboxamide, then with the heat-up rate of 4 DEG C/min, the temperature of two mixtures is elevated to 180 DEG C, stirring reaction 170min, after temperature being cooled to 30 DEG C, centrifugation obtains intermediate again.
4. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, it is characterized in that: in described step (2), when intermediate and alkaline potassium salt react, stirring velocity is 230r/min, and the reaction times is 50min, and the pH value of reaction soln is 9.
5. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, is characterized in that: described alkaline calcium salt is calcium hydroxide.
6. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, is characterized in that: described medium trace element compound is calcium sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, borax and copper sulfate.
7. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, is characterized in that: the mol ratio of described intermediate and alkaline calcium salt is 1:0.7.
8. the compound method of Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum according to claim 1, is characterized in that: adopt heat-up rate to be that 5 DEG C/min is warming up to 28 DEG C in described step (3), and after dry 50min, adjustment moisture content is 4%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107439293A (en) * | 2017-07-13 | 2017-12-08 | 盐津三山农业开发有限公司 | A kind of implantation methods of red kiwifruit |
| CN108610161A (en) * | 2016-12-13 | 2018-10-02 | 丹阳市中药材科技发展协会 | A kind of fleece-flower root Chinese herbal medicine rhizome swelling agent |
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| CN102775242A (en) * | 2011-05-09 | 2012-11-14 | 刁晓梅 | Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum |
| WO2013055279A1 (en) * | 2011-10-13 | 2013-04-18 | Ekobalans Fenix Ab | Dewatering of phosphate precipitates |
| CN103787293A (en) * | 2014-01-24 | 2014-05-14 | 贵阳中化开磷化肥有限公司 | Method for preparing sodium dihydrogen phosphate by utilizing phosphoric acid by wet process |
| CN104003363A (en) * | 2014-05-20 | 2014-08-27 | 贵阳中化开磷化肥有限公司 | Production method of calcium dihydrogen phosphate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060648A (en) * | 1990-10-08 | 1992-04-29 | 邢新华 | Polybasic fertilizer |
| CN101913931A (en) * | 2010-08-05 | 2010-12-15 | 重庆市中药研究院 | Foliar fertilizer for polygonum multiflorum planting |
| CN102775242A (en) * | 2011-05-09 | 2012-11-14 | 刁晓梅 | Chinese herbal medicine nutrition fertilizer for Polygonum multiflorum |
| WO2013055279A1 (en) * | 2011-10-13 | 2013-04-18 | Ekobalans Fenix Ab | Dewatering of phosphate precipitates |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108610161A (en) * | 2016-12-13 | 2018-10-02 | 丹阳市中药材科技发展协会 | A kind of fleece-flower root Chinese herbal medicine rhizome swelling agent |
| CN107439293A (en) * | 2017-07-13 | 2017-12-08 | 盐津三山农业开发有限公司 | A kind of implantation methods of red kiwifruit |
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