CN104311181B - Preparation method of special fertilizer for honey peaches - Google Patents
Preparation method of special fertilizer for honey peaches Download PDFInfo
- Publication number
- CN104311181B CN104311181B CN201410478298.7A CN201410478298A CN104311181B CN 104311181 B CN104311181 B CN 104311181B CN 201410478298 A CN201410478298 A CN 201410478298A CN 104311181 B CN104311181 B CN 104311181B
- Authority
- CN
- China
- Prior art keywords
- special fertilizer
- honey peach
- dihydrogen phosphate
- filtrate
- phosphoric acid
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Abstract
The invention relates to the technical field of chemical industry, and discloses a preparation method of a special fertilizer for honey peaches. The method comprises the following steps: analyzing the ratio of nutritional elements required by the growth of honey peaches by researching the amounts of absorption of all the nutritional elements from soil in the growth process of honey peaches, reacting phosphoric acid with carbomite to generate an intermediate, introducing ammonia gas into the intermediate to produce ammonium dihydrogen phosphate, crystallizing parts of ammonium dihydrogen phosphate to precipitate, adjusting the ratio of nutritional elements in a reaction solution to meet the growth of honey peaches, and adding other nutritional elements required by honey peaches in order to prepare the special fertilizer for honey peaches. The preparation method has the advantages of full utilization of raw materials, good quality of the prepared ammonium dihydrogen phosphate, and low cost of the prepared special fertilizer for honey peaches.
Description
Technical field
The present invention relates to chemical technology field, more particularly to a kind of compound method of honey peach special fertilizer.
Background technology
Honey peach belongs to a kind of spherical edible fruits, and honey peach has the functions such as skin Caring, clearing stomach, lung moistening, eliminating the phlegm.It
The content of protein doubles than Fructus Mali pumilae, Fructus Vitis viniferae, seven times more than pear；The content of ferrum three times more than Fructus Mali pumilae, five times more than pear,
Have the good reputation of " queen in fruit ".There is plantation China more.Rich in multivitamin, wherein vitamin C highest.Honey peach Pterostyrax in
Defoliation small arbor plant, general height of tree 3-4 rice.Dryness is weak, and tree crown is opened a business.Sapling up-growth is vigorous, and growth branch reaches more than 1 meter within 1 year.
Bud has prematureness, and tree crown is formed soon.Start result early, 2～3 years beginning results of field planting, 6～7 years Dasheng fruiting periods, 15～20 years
After be fade-in aging, the life-span is shorter, and general management can also keep high yield in preferable 25～30 years.Honey peach is nutritious, meat
Sweet juice is many, containing abundant irony, can increase human body hemoglobin quantity, ancients say：Often eat Fructus Persicae energy " beneficial appearance ", reason may
Here.The contribution of Fructus Persicae, except Fructus Persicae meat energy Yangxuemeiyan, central Semen Persicae also has the effect of blood circulation promoting and blood stasis dispelling, antiasthmatic-antitussive.The traditional Chinese medical science
Have a prescription, entitled five kernel soup, can loosening bowel to relieve constipation, promoting blood circulation to remove obstruction in the collateral, composition exactly Semen Persicae, Fructus Cannabiss, Semen Pruni, Semen Platycladi and
Semen Armeniacae Amarum, for constipation due to dry stool, the people of liver-heat blood stasis and amenorrhea is particularly helpful.It should be noted that although semen juglandiss can be invigorated blood circulation,
But during feminine menstrual, through measuring excessive or period inedibility of passing through.Meanwhile, the natural gum that peach tree flows out is also wonderful simply
Medicine, can strong nourish, and can adjust blood sugar level again.Every hectogram Fructus Persicae contains 0.8 gram of protein, 0.1 gram of fat, 7 grams of saccharide, slightly fibre
Dimension 4.1 grams, 0.5 gram of ash, 8 milligrams of calcium, 20 milligrams of phosphorus, 1.0 milligrams of ferrum, 0.01 milligram of carotene, 0.01 milligram of thiamine,
0.02 milligram of Vitamin E, 0.7 milligram of nicotinic acid, 6 milligrams of vitamin C, still have multiple volatile oil and organic acid.
The yield of honey peach to be improved, the selection getting hold of opportunity, consumption and the fertilizer type of fertilising is crucial, fertilizer
In formula rationally, fertilising cost can not only be reduced, and the yield of crop can be lifted.The honey peach of plantation applies fertilizer at present is
Based on farm manure, supplemented by carbamide.Farm manure and carbamide can meet the needs that honey peach grows at short notice, but life-time service
Soil compaction can be made, soil property is hardening, destroy Soil structure.Meanwhile, the nutrient formula of this kind of fertilizer is unreasonable, can cause fertilizer
Waste, and be difficult to promote the stable high yield of honey peach.Application for a patent for invention number discloses " honey peach for 201210244944.4
Special fertilizer ", this fertilizer is fertilizer and chemical fertilizer mixes, and contained nutrient is abundanter, but fertilizer efficiency is shorter, and fertilizer
Utilization rate be 20-30%, cause the waste of substantial amounts of nutrient.There is presently no the production finding honey peach dedicated fertilizer
The patent documentation of method or report.
Ammonium dihydrogen phosphate, is also called MAP, is a kind of chemicals, a kind of crystal of white, and heating can be resolved into
Ammonium metaphosphate.Ammonium dihydrogen phosphate can serve as the fireproof agent of fertilizer and timber, paper, fabric it can also be used to pharmacy and ruminate dynamic
Thing feed additive.At present, prepare the monoammonium phosphate double decomposition of ammonium dihydrogen phosphate employing.It is by water, potassium chloride, carbonic acid
Hydrogen ammonium feeds intake in proportion, is subsequently adding the phosphoric acid of ormal weight, after being sufficiently stirred for, adjusts pH value, after heating concentrates, cooled crystallization,
Product is obtained final product, centrifugation is mother liquid obtained to concentrate the as nitrogenous, multi-elements composite fertilizer such as phosphorus, potassium after centrifugation, drying.This work
Skill does not have three waste discharge, and production cost is low compared with neutralisation, crystallization process, extraction, ion exchange.But product quality is not so good as neutralization
Method, extraction, ion exchange, only do agricultural, and therefore, the value of its product can be significantly less than other methods.But, crystallization
Method, in all have waste liquid to discharge during legal, extraction and ion exchange potassium dihydrogen phosphate preparation, dirt is caused to environment
Dye.
The improvement of above technology still has larger problem and difficulty, and its process regulation is bad, then can be in reaction
Middle other products of generation, such as ammonium dihydrogen phosphate can generate ammonium metaphosphate in heating, lead to the yield of ammonium dihydrogen phosphate relatively low, with
When, also have substantial amounts of waste material discharge in whole production technology it is difficult to solve the zero-emission problem of pollutant；And, phosphorus
Acid dihydride ammonium product is also difficult to separate out completely during crystallization separates out, but is in the saturated solution of saturation all the time,
Then content is larger in the solution to make ammonium dihydrogen phosphate, if depth crystallization separates out, the ammonium dihydrogen phosphate product obtaining
Purity is poor, the quality of impact ammonium dihydrogen phosphate product.
Production method with regard to ammonium dihydrogen phosphate has a lot, and for example, number of patent application is disclosed in 201210194632.7
" method producing industrial phosphoric acid ammonium dihydrogen ", it employed technical scheme comprise that：The first step adds a certain amount of in phosphoric acid by wet process
Phosphate ore pulp reaction standing a period of time carries out preliminary desulfurization, after then taking supernatant to add barium salt and sodium salt defluorinate, is passed through ammonia
It is neutralized, refilters and obtain ammonium phosphate solution, then by the phosphoric acid hybrid reaction after this ammonium phosphate solution and extraction, condensing crystallizing is just
Obtain ammonium dihydrogen phosphate.The biphosphate ammonium concentration that the method is produced is higher, but its production technology is complex, produces into
This is higher, and has waste liquid to discharge, to environment.
Content of the invention
In view of this, it is an object of the invention to provide a kind of compound method of honey peach special fertilizer, to solve existing fertilizer
In material, nutrient collocation does not meet the demand to nutrient for the honey peach, leads to the fertilizer that honey peach is applied by honey peach
Absorbance is relatively low, and some of them element compound remains in soil, changes the structure of soil, pollutes environment.Meanwhile, solve
During preparation ammonium dihydrogen phosphate product, biphosphate crystalline ammonium separates out the substantial amounts of ammonium dihydrogen phosphate that not exclusively can cause
Waste, biphosphate crystalline ammonium excessively can bring a large amount of impurity into ammonium dihydrogen phosphate product again, so that ammonium dihydrogen phosphate is produced
The relatively low technical problem of the purity of product.
The present invention solves above-mentioned technical problem by the following technical programs：
A kind of compound method of honey peach special fertilizer, comprises the following steps：
(1) prepare intermediate：First add phosphoric acid in reactor, and the temperature of phosphoric acid is increased to 100-140 DEG C, so
Add phosphoamide to make itself and phosphoric acid carry out synthetic reaction in backward reactor, after reaction 170-190min, temperature is cooled to 15-
Crystallize after 30 DEG C, then centrifugation obtains intermediate, described phosphoric acid is (1.2-1.4) with the mol ratio of phosphoamide:1；
(2) prepare ammonium dihydrogen phosphate：The intermediate obtaining in step (1) is sent in reactor, and logical into reactor
Enter ammonia, ammonia is (1.8-2) with the mol ratio of intermediate:1, the control response time is 40-60min, and reaction temperature is 15-25
DEG C, and adjust pH value for 8.5-9.5, after reaction terminates, the slip of acquisition is added to circulation crystallization in cooler crystallizer, simultaneously
Detection and analysis filtrate, when in filtrate, nitrogen and the ratio of the quality of phosphorus are (7-9)：(1.5-2.5), when, stop crystallizing and filtering, will
The filter cake arriving obtains ammonium dihydrogen phosphate product after drying；
(3) prepare honey peach special fertilizer：The compound adding potassium in the filtrate filtering ammonium dihydrogen phosphate in step (2) is adjusted
Whole nitrogen content is 7-9%, phosphorus content is 1.5-2.5%, potassium content is 12-13%, then adds middle and trace element in filtrate
Compound, finally sends into filtrate in baker, for 4 DEG C/min, temperature is increased to 26-30 DEG C with programming rate, filtrate is dried
It is 3-4% to moisture, you can prepared honey peach special fertilizer.
Described intermediate is urea phosphate.
In described step (1), by phosphoric acid with phosphoamide with mol ratio for 1.3：1 is added to mixing in reactor, controls reaction
Temperature is 120 DEG C, after reaction 180min, temperature is cooled to after 20 DEG C centrifugation again and obtains intermediate.
In described step (2), when intermediate is reacted with ammonia, mixing speed is 200r/min, and the response time is 50min, instead
The pH value answering solution is 9.
Described middle trace compound is calcium sulfate, zinc sulfate, magnesium sulfate, Borax and manganese sulfate.
Described intermediate is 1 with the mol ratio of ammonia：1.9.
It is warming up to 28 DEG C, after 40min is dried using programming rate for 4 DEG C/min when being dried in described step (3), adjust water
Content is divided to be 3.5%.
In described honey peach special fertilizer nitrogen content be 8%, phosphorus content be 2%, potassium content be 12.5%.
The beneficial effects of the present invention is：
(1) in traditional ammonium dihydrogen phosphate preparation technology, although MAP double decomposition does not have three waste discharge, production cost
Low compared with neutralisation, crystallization process, extraction, ion exchange.But product quality is not so good as neutralisation, extraction, ion exchange,
Only do agricultural, therefore, the value of its product can be significantly less than other methods.But, crystallization process, in legal, extraction and
Waste liquid is all had to discharge, to environment during ion exchange potassium dihydrogen phosphate preparation.The present invention adopt phosphoric acid with
After phosphoamide reaction, then reacted with ammonia with reaction product, then so that biphosphate crystalline ammonium is separated out, by detecting in filtrate
Nitrogen, the degree to control crystallization for the content of phosphorus composition, filtrate is used for producing honey peach special fertilizer.Ammonium dihydrogen phosphate crystallization degree
Less, so the ammonium dihydrogen phosphate purity making is higher.Meanwhile, by filtrate reclaim be used for prepare honey peach special fertilizer so that
The production cost of honey peach special fertilizer is relatively low.
(2) by the present invention in that preparing ammonium dihydrogen phosphate, and then in adjustment reactant liquor, nitrogen, the content of phosphorus meet honey peach life
Long required ratio, the honey peach special fertilizer produced more fully can be absorbed by honey peach, with minimum fertilizers input, produces
Go out most honey peachs, there is significant economic worth.
(3) reactant liquor is separated out a part of ammonium dihydrogen phosphate by the present invention, then again that filtrate is special for preparing honey peach
Fertilizer, does not have tail washings to discharge pollution environment, has the significant value of environmental protection.
(4) the honey peach special fertilizer of the present invention is compound state chemical mixed fertilizer, by parameter in production technology, that is, being exactly temperature
The control of degree, material concentration and proportioning is so that after phosphoric acid and urea reaction, generate urea phosphate product, urea phosphate product itself
There is stronger acidity, and be that the compound state being combined together to form by way of coordinate bond is multiple between phosphoric acid and carbamide
Salt, is also fertile as crop in conventional art, and crop the absorbance of this compound state double salt is compared carbamide, ammonium carbonate,
All preferably a kind of compound state special fertilizer of the unitary such as ammonium nitrate, binary fertilizer absorbance, however, this compound state double salt is in phosphoric acid
In the environment of presence, it may occur that the decomposition polymerisation of complexity of complexity is so that urea phosphate is formed at a temperature of 80-250 DEG C
(H2PO4)-(H2NCONH3)+Two ions, (H2NCONH3)+Ion is close with phosphoric acid, and the environment for 80-160 DEG C in temperature
Under, formedIntermediate-ion and dihydrogen phosphate, and form coordinate bond between C and O, this
Plant intermediate-ion and can chelate formation multielement intermediate-ion with centering element compound, and then can continue to negatively charged with other
The compound of lotus or ion form chelate, improve constituent content in double salt, and then can adjust the double salt of this ion presence
In nutrient content, meanwhile, this chelate can be hydrolyzed again and by crop, and then can effectively for a long time for crop provide
Fertilizer efficiency.
Specific embodiment
Those skilled in the art understands, the present invention will be further described below in conjunction with embodiment for convenience.
Embodiment is only the illustration to this invention, is not limitation of the invention, does not make the step illustrating in embodiment
It is all prior art, here is not described in detail.
The present invention carries out research and discussion by the mechanism that phosphoric acid and phosphoamide are reacted, and combines prior art literature
Solve, phosphoric acid and phosphoamide react generation urea phosphate, its molecular formula is：CO(NH2)2.H3PO4, in the environment of higher temperature,
Chemical bond between H and O in phosphoric acid can dialysis, hydrion and carbamide combine to form the ionic state containing positive charge so that phosphorus
Sour urea forms the ion double salt that a kind of positive and negative charge phase attracts, its mechanism structural response following expression：CO(NH2)2.H3PO4→
(H2PO4)-.(H2NCONH3)+.
Urea phosphate ion double salt phosphoric acid presence in the environment of, (H therein2NCONH3)+Cation is close with phosphoric acid, shape
Become the intermediate-ion of C → O coordinate bond, as (CO5PN2H8)+, and then make in urea phosphate intermediate containing substantial amounts of
(H2PO4)-and (CO5PN2H8)+Ion, when adding excessive and appropriate potassium ion, dihydrogen phosphate forms phosphorus with potassium ion
Acid dihydride ammonium crystal is precipitated, unnecessary potassium ion and (CO5PN2H8)+Ionic reaction, and displace part NH4 +So that solution
In contain (CO5PNH4K)+Double salt ion, and by testing and analyzing and controlling the content of N in solution, P, K element, dry in heating
Dry can be prepared by containing N, P, K element compound state composite fertilizer.
The present invention relates to main chemical reactions equation be：
Reaction equation one：
CO(NH2)2+H3PO4→CO(NH2)2.H3PO4
Reaction equation two：
Reaction equation three：
Wherein, the dotted line between carbon atom and oxygen atom represents there is coordinate bond between C atom and O atom.
The production method of the present invention is described further with embodiment below：
Embodiment one
A kind of compound method of honey peach special fertilizer, comprises the steps：
(1) prepare intermediate：First add phosphoric acid in reactor, and the temperature of phosphoric acid is increased to 100 DEG C, Ran Houxiang
Add phosphoamide to make itself and phosphoric acid carry out synthetic reaction in reactor, after reaction 190min, temperature be cooled to crystallization after 15 DEG C,
Centrifugation obtains intermediate again, and described phosphoric acid is 1.2 with the mol ratio of phosphoamide:1；
(2) prepare ammonium dihydrogen phosphate：The intermediate obtaining in step (1) is sent in reactor, and logical into reactor
Enter ammonia, ammonia is 1.8 with the mol ratio of intermediate:1, the control response time is 40min, and mixing speed is 200r/min, instead
Answer temperature to be 15 DEG C, and adjust pH value for 8.5, after reaction terminates, the slip of acquisition is added to circulation knot in cooler crystallizer
Crystalline substance, tests and analyzes filtrate simultaneously, when in filtrate, nitrogen and the ratio of the quality of phosphorus are 7：When 1.5, stop crystallizing and filtering, by obtain
Filter cake obtains ammonium dihydrogen phosphate product after drying；
(3) prepare honey peach special fertilizer：The compound adding potassium in the filtrate filtering ammonium dihydrogen phosphate in step (2) is adjusted
Whole nitrogen content is 7%, phosphorus content is 1.5%, potassium content is 12%, then adds middle and trace element compound in filtrate, finally
Filtrate is sent in baker, for 4 DEG C/min, temperature is increased to 26 DEG C with programming rate, filtrate is dried to moisture be
4%, you can prepared honey peach special fertilizer.
Embodiment two
(1) prepare intermediate：First add phosphoric acid in reactor, and the temperature of phosphoric acid is increased to 140 DEG C, Ran Houxiang
Add phosphoamide to make itself and phosphoric acid carry out synthetic reaction in reactor, after reaction 190min, temperature be cooled to crystallization after 30 DEG C,
Centrifugation obtains intermediate again, and described phosphoric acid is 1.4 with the mol ratio of phosphoamide:1；
(2) prepare ammonium dihydrogen phosphate：The intermediate obtaining in step (1) is sent in reactor, and logical into reactor
Enter ammonia, ammonia is 2 with the mol ratio of intermediate:1, the control response time is 60min, and mixing speed is 200r/min, reaction
Temperature is 25 DEG C, and adjusts pH value for 9.5, after reaction terminates, the slip of acquisition is added to circulation crystallization in cooler crystallizer,
Test and analyze filtrate, when in filtrate, nitrogen and the ratio of the quality of phosphorus are 9 simultaneously：When 2.5, stop crystallizing and filtering, by the filter obtaining
Cake obtains ammonium dihydrogen phosphate product after drying；
(3) prepare honey peach special fertilizer：The compound adding potassium in the filtrate filtering ammonium dihydrogen phosphate in step (2) is adjusted
Whole nitrogen content is 9%, phosphorus content is 2.5%, potassium content is 13%, then adds middle and trace element compound in filtrate, finally
Filtrate is sent in baker, for 4 DEG C/min, temperature is increased to 30 DEG C with programming rate, filtrate is dried to moisture be
3%, you can prepared honey peach special fertilizer.
Embodiment three
(1) prepare intermediate：First add phosphoric acid in reactor, and the temperature of phosphoric acid is increased to 120 DEG C, Ran Houxiang
Add phosphoamide to make itself and phosphoric acid carry out synthetic reaction in reactor, after reaction 180min, temperature be cooled to crystallization after 20 DEG C,
Centrifugation obtains intermediate again, and described phosphoric acid is 13 with the mol ratio of phosphoamide:1；
(2) prepare ammonium dihydrogen phosphate：The intermediate obtaining in step (1) is sent in reactor, and logical into reactor
Enter ammonia, ammonia is 1.9 with the mol ratio of intermediate:1, the control response time is 50min, and reaction temperature is 20 DEG C, and adjusts
PH value is 9, after reaction terminates, the slip of acquisition is added to circulation crystallization in cooler crystallizer, tests and analyzes filtrate simultaneously, when
In filtrate, nitrogen and the ratio of the quality of phosphorus are 8：When 2, stop crystallizing and filtering, obtain ammonium dihydrogen phosphate after the filter cake obtaining is dried and produce
Product；
(3) prepare honey peach special fertilizer：The compound adding potassium in the filtrate filtering ammonium dihydrogen phosphate in step (2) is adjusted
Whole nitrogen content is 8%, phosphorus content is 2%, potassium content is 12.5%, then adds middle and trace element compound in filtrate, finally
Filtrate is sent in baker, for 4 DEG C/min, temperature is increased to 28 DEG C with programming rate, filtrate is dried to moisture be
3.5%, you can prepared honey peach special fertilizer.
With reference to test example to the technique effect of technical solution of the present invention and the ammonium dihydrogen phosphate product that produced
Quality is verified：
Test example one
According to HG/T3466-2012《People's Republic of China's chemical industry standard》The detection of chemical reagent ammonium dihydrogen phosphate is real
Proved recipe method, detects to 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.
Table 1 produces the quality measurements of ammonium dihydrogen phosphate product for embodiments of the invention：
As can be seen from the above table, the various parameters of the ammonium dihydrogen phosphate product that technical scheme is produced exceed
Feed grade ammonium dihydrogen phosphate required standard, the purity of product is also higher, has significant progressive.
Test example two
Four mu of kinds of plantation are the honey peach of lake brocade YULU, cultivate honey peach tree according to common planting technology and extremely contain fruit
Phase, this four mu of honey peachs are randomly divided into four groups, every group 1 mu, are numbered experimental group one, experimental group two, experimental group three and respectively
Contrast groups, in the budding period fertilising 15kg/ mu of honey peach, Post flowering fertilising 12kg/ mu, fruit expanding period fertilising 15kg/ mu, reality
Test group one administration is the fertilizer of the embodiment of the present invention one, and what experimental group two was applied is the fertilizer of the embodiment of the present invention two, experiment
What group three was applied is the fertilizer of the embodiment of the present invention three, and what contrast groups were applied is the nitrogenous fertilizer that plantation honey peach is commonly used.Result is as follows
Table：
| Yield (kg)/mu | Single average quality (g) | |
| Experimental group one | 1276 | 151 |
| Experimental group two | 1290 | 151 |
| Experimental group three | 1321 | 153 |
| Contrast groups | 1211 | 146 |
This honey peach special fertilizer be can be seen that by above-mentioned statistical result and can not only improve the yield of honey peach moreover it is possible to improve
The quality of honey peach, is suitable to promote the use of.
Claims (8)
1. a kind of compound method of honey peach special fertilizer it is characterised in that：Comprise the following steps：
(1) prepare intermediate：First add phosphoric acid in reactor, and the temperature of phosphoric acid is increased to 100-140 DEG C, Ran Houxiang
Add phosphoamide to make itself and phosphoric acid carry out synthetic reaction in reactor, after reaction 170-190min, temperature is cooled to 15-30 DEG C
After crystallize, then centrifugation obtains intermediate, and described phosphoric acid is (1.2-1.4) with the mol ratio of phosphoamide:1；
(2) prepare ammonium dihydrogen phosphate：The intermediate obtaining in step (1) is sent in reactor, and is passed through ammonia into reactor
Gas, ammonia is (1.8-2) with the mol ratio of intermediate:1, the control response time is 40-60min, and reaction temperature is 15-25 DEG C,
And adjust pH value for 8.5-9.5, after reaction terminates, the slip of acquisition is added to circulation crystallization in cooler crystallizer, examines simultaneously
Cls analysis filtrate, when in filtrate, nitrogen and the ratio of the quality of phosphorus are (7-9)：(1.5-2.5), when, stop crystallizing and filtering, will obtain
Filter cake dry after ammonium dihydrogen phosphate product；
(3) prepare honey peach special fertilizer：The compound adjustment nitrogen of potassium is added in the filtrate filtering ammonium dihydrogen phosphate in step (2)
Content is 7-9%, phosphorus content is 1.5-2.5%, potassium content is 12-13%, then adds middle and trace element chemical combination in filtrate
Thing, finally by filtrate send into baker in, for 4 DEG C/min, temperature is increased to 26-30 DEG C with programming rate, by filtrate dry to
Moisture is 3-4%, you can prepared honey peach special fertilizer.
2. honey peach special fertilizer according to claim 1 compound method it is characterised in that：Described intermediate is phosphoric acid
Urea.
3. honey peach special fertilizer according to claim 1 compound method it is characterised in that：In described step (1), by phosphorus
Acid and phosphoamide are with mol ratio for 1.3：1 is added to mixing in reactor, and controlling reaction temperature is 120 DEG C, after reaction 180min, will
Temperature be cooled to 20 DEG C after again centrifugation obtain intermediate.
4. honey peach special fertilizer according to claim 1 compound method it is characterised in that：In described step (2), middle
When body is reacted with ammonia, mixing speed is 200r/min, and the response time is 50min, and the pH value of reaction solution is 9.
5. honey peach special fertilizer according to claim 1 compound method it is characterised in that：Described middle trace element
Compound is calcium sulfate, zinc sulfate, magnesium sulfate, Borax and manganese sulfate.
6. honey peach special fertilizer according to claim 1 compound method it is characterised in that：Described intermediate and ammonia
Mol ratio is 1：1.9.
7. honey peach special fertilizer according to claim 1 compound method it is characterised in that：It is dried in described step (3)
Shi Caiyong programming rate is warming up to 28 DEG C, after 40min is dried for 4 DEG C/min, and adjustment moisture is 3.5%.
8. honey peach special fertilizer according to claim 1 compound method it is characterised in that：In described honey peach special fertilizer
Nitrogen content is 8%, phosphorus content is 2%, potassium content is 12.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478298.7A CN104311181B (en) | 2014-09-19 | 2014-09-19 | Preparation method of special fertilizer for honey peaches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478298.7A CN104311181B (en) | 2014-09-19 | 2014-09-19 | Preparation method of special fertilizer for honey peaches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104311181A CN104311181A (en) | 2015-01-28 |
| CN104311181B true CN104311181B (en) | 2017-02-08 |
Family
ID=52366531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410478298.7A Expired - Fee Related CN104311181B (en) | 2014-09-19 | 2014-09-19 | Preparation method of special fertilizer for honey peaches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104311181B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE760491A (en) * | 1970-01-09 | 1971-05-27 | Ugine Kuhlmann | PROCESS FOR OBTAINING NEW REACTION PRODUCTS OF PHOSPHORIC ACID, UREA AND AMMONIA, AND THEIR APPLICATIONS AS FERTILIZERS |
| FR2264774B1 (en) * | 1974-03-19 | 1977-06-17 | Azote & Prod Chim | |
| US4456463A (en) * | 1982-10-15 | 1984-06-26 | Stoller Enterprises, Inc. | Ammonia stabilized high analysis liquid fertilizers |
| CN100534959C (en) * | 2005-04-07 | 2009-09-02 | 中北大学 | Multiple nutrient macromolecule slow release fertilizer and its preparation method and uses |
| CN101054321A (en) * | 2006-04-13 | 2007-10-17 | 魏兆峰 | Special compound fertilizer for peach |
| CN102040544A (en) * | 2010-11-15 | 2011-05-04 | 中化重庆涪陵化工有限公司 | Method for continuously producing feed grade urea phosphate by using wet purified phosphoric acid |
| CN102557774A (en) * | 2010-12-13 | 2012-07-11 | 吴鲁智 | Formula of special formula fertilizer (containing 36% of total nutrients of N, P and K) for peach trees |
| CN103664273A (en) * | 2012-09-02 | 2014-03-26 | 句容市农业技术推广中心 | Special-purpose fertilizer for peach trees |
| CN103803518A (en) * | 2014-01-24 | 2014-05-21 | 贵阳中化开磷化肥有限公司 | Method for preparing monopotassium phosphate by using wet-process phosphoric acid |
| 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 |
| CN103787294A (en) * | 2014-01-24 | 2014-05-14 | 贵阳中化开磷化肥有限公司 | Method of preparing trisodium phosphate by using wet-process phosphoric acid |
| CN103754853A (en) * | 2014-01-24 | 2014-04-30 | 贵阳中化开磷化肥有限公司 | Method for preparing disodium hydrogen phosphate from wet-process phosphoric acid |
| CN104016323A (en) * | 2014-05-20 | 2014-09-03 | 贵阳中化开磷化肥有限公司 | Production method for monoammonium phosphate |
| CN104003909B (en) * | 2014-06-06 | 2016-08-31 | 云南江磷集团股份有限公司 | The preparation method of urea phosphate |
-
2014
- 2014-09-19 CN CN201410478298.7A patent/CN104311181B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104311181A (en) | 2015-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104291903B (en) | A kind of method for preparing dendrobium candidum nutrition fertilizer | |
| CN104291306B (en) | A kind of compound method of Caulis et Folium Brassicae junceae nutrition fertilizer | |
| CN104311181B (en) | Preparation method of special fertilizer for honey peaches | |
| CN103319263B (en) | Calcium-containing liquid manure and preparation method thereof | |
| CN104557213A (en) | Method for preparing special fertilizer for day-lily buds and producing byproduct sodium dihydrogen phosphate | |
| CN104310332B (en) | A kind of method of the preparation of cockscomb special fertilizer | |
| CN104291290B (en) | A kind of method preparing the special enhancing fertilizer of ammonium dihydrogen phosphate co-production Bulbus Allii Cepae | |
| CN104291904B (en) | A kind of compound method of mung bean special fertilizer | |
| CN104310343B (en) | A kind of production method preparing ammonium dihydrogen phosphate by-product Fructus Pruni pseudocerasi special fertilizer | |
| CN104326462B (en) | A kind of production method preparing calcium dihydrogen phosphate by-product red bean special fertilizer | |
| CN104261938B (en) | Production method for preparation of calcium dihydrogen phosphate and by-production of special fertilizer for cauliflowers | |
| CN104229766B (en) | Production method for preparing monocalcium phosphate byproduct used as special fertilizer for chives | |
| CN104310338B (en) | Method for preparing ammonium dihydrogen phosphate and preparing special fertilizer for honeysuckle flower as byproduct | |
| CN104291307B (en) | Method for preparing monocalcium phosphate and fertilizer for garlic | |
| CN104276551B (en) | A kind of production method preparing Secondary ammonium phosphate by-product oat special fertilizer | |
| CN104310354B (en) | A kind of compound method of special fertilizer for carrot | |
| CN104310337B (en) | A kind of method preparing ammonium dihydrogen phosphate by-product Chinese sorghum special fertilizer | |
| CN106631537A (en) | Selenium methionine chelate humic acid additive for paste foliar fertilizer for pear trees | |
| CN104310353B (en) | A kind of method preparing sodium dihydrogen phosphate by-product Fructus Rosae Normalis special fertilizer | |
| CN104310339B (en) | A kind of method preparing Fructus Mali pumilae nutrition fertilizer | |
| CN104310355B (en) | A kind of method preparing potassium dihydrogen phosphate by-product special fertilizer for pitaya | |
| CN104310348B (en) | A kind of method preparing potassium dihydrogen phosphate co-production Fertilizer Special for Bamboos | |
| CN105906451A (en) | Dragon fruit high-yield fertilizer and manufacturing method thereof | |
| CN104310350B (en) | Method for preparing special fertilizer for pears, and preparing potassium dihydrogen phosphate as byproduct | |
| CN104291298B (en) | A kind of method preparing Caulis et Folium Brassicae capitatae special enhancing fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160906 Address after: 550000 Huaxi District, Guizhou, Guiyang Applicant after: Guizhou University Applicant after: Phosphorylcholine group limited-liability company is opened in Guizhou Applicant after: Guizhou Ke Xinhua smelting company limited Address before: 550000 Huaxi District, Guizhou, Guiyang Applicant before: Guizhou University Applicant before: Zhonghuakai Phosphorous Chemical Fertilizer Co., Ltd., Guiyang Applicant before: Guizhou Ke Xinhua smelting company limited |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |