CN105967836A - An organic slow-release fertilizer controlling growth of apple trees and a preparing method thereof - Google Patents

Abstract

An organic slow-release fertilizer controlling growth of apple trees and a preparing method thereof are disclosed. The fertilizer is prepared from papermaking black liquid, a sulfuric solution having a concentration of 10 wt%, a formaldehyde solution having a concentration of 5%, sodium sulfite, ammonium molybdate, indoleacetic acid, anthocyanidin, formic acid, calcium superphosphate, chitosan, boric acid, zinc powder, monopotassium phosphate, calcium oxide, gypsum powder, calcium ammonium nitrate and a proper amount of water by weight parts. The fertilizer belongs to a plant hormone type organic fertilizer. A plurality of chemical elements are added. Alkalinity and acidity of general chemical elements influence effects of plant hormones to a certain degree, while the fertilizer utilizes a modified lignic acid component to turn metal elements in the chemical elements into organic acids, thus greatly reducing the influences and effectively controlling growth of the apple trees, and therefore development and benefit in each aspect are better than those of other apple trees.

Description

A kind of control Apple Growth organic slow-release fertilizer and preparation method thereof

Technical field

The invention belongs to the Technology field of fertilizer, be specifically related to a kind of control Apple Growth organic slow-release fertilizer and preparation method thereof.

Background technology

The soda pulp technique that paper industry is widely used, no matter with woody or nonwood plant as raw material, all substantial amounts of black liquor of by-product, the annual black liquor yield in the whole world is about 500,000,000 tons according to statistics, the solid content that there are about 70% in black liquor is Organic substance, and including lignin, hemicellulose and cellulose degradation product etc., lignin is a kind of complicated macromolecular compound being present in major part land plant xylem, quantity is the hugest, estimates that the domestic lignin produced by papermaking every year there are about more than 1,000 ten thousand tons.At present, major part black liquor concentrated to 45 ~ 60% after-combustions, carry out alkali collection, thus causing the huge waste of this Renewable resource of lignin contained therein, black liquid flows into environment, and pollution level is high, containing substantial amounts of organic fiber, inorganic salt and pigment, contained pollutant have accounted for more than the 90% of industrial pollution caused by paper manufacturing thing, and alkalescence is relatively big, color is deep, and stink weight and foam are many, a large amount of dissolved oxygen consumed in water, cause serious destruction to environment.

The sulfonation of black liquid refers to that contained lignin reaction generates the process of lignosulfonate to sulfite ion with black liquor.The methylolation of first paragraph lignin, determines optimal value according to the introduction volume of methylol in lignin；The sulfonation of second segment lignin, determines optimal value according to paste flowing degree, is aided with sulfonation degree and relative molecular mass analysis.The method that wherein methylolation of lignin is to increase lignin activity；Sulfonating reaction is set as pH value≤7, makees sulfonating agent with sodium sulfite, and the lignin structure unit of phenolic and non-phenolic can occur the sulfonating reaction on beneficially α carbon, the most also carries out on γ carbon, but seldom on β carbon.

Black liquid in commercial paper is carried out emphasis utilization, it is subsequently used for the preparation of fertilizer, not only solve black liquid and flow into the environmental pollution that environment causes, also carry out garbage huge profit use, development for slow release fertilizer, the black liquid of main flow is with after caustic lye of soda high temperature steaming slurrying mostly now, originally lignin dissolution becomes alkali lignin, cellulose separates out, the black liquid obtained after leaching cellulose, so general pH is more than 12, total alkali 20 ~ 25%, lignin is 20 ~ 25g/L, and pollution level is high, containing a large amount of fibers, inorganic salt and pigment.

Summary of the invention

It is an object of the invention to huge profit black liquid, for the production of agrochemical, make a kind of granule adsorbing inorganic elements, make fertilizer play the effect of slow release, realize particular by following methods:

A kind of control Apple Growth organic slow-release fertilizer, it is characterized in that, be made up of the raw material of following weight portion: black liquid 150 ~ 180,10wt% sulfuric acid solution 30 ~ 40,5% formalin 20 ~ 30, sodium sulfite 10 ~ 15, ammonium molybdate 2 ~ 4, heteroauxing 0.2 ~ 0.5, anthocyanidin 0.8 ~ 1, formic acid 1 ~ 1.5, calcium superphosphate 10 ~ 15, chitosan 2 ~ 4, boric acid 7 ~ 10, zinc powder 8 ~ 12, potassium dihydrogen phosphate 30 ~ 45, calcium oxide 16 ~ 20, Gypsum Fibrosum powder 45 ~ 50, calcium ammonium nitrate 15 ~ 20 and appropriate water.

A kind of preparation method controlling Apple Growth organic slow-release fertilizer, it is characterised in that include following step:

(1) black liquid is joined in reactor, it is heated to boiling, steaming and decocting is concentrated into original 1/3, then heating in water bath is turned to 50 ~ 60 DEG C, insulation, it is slowly stirred 30 ~ 40min with the rotating speed of 120 ~ 150r/min, it is simultaneously introduced 10wt% sulfuric acid solution, sucking filtration obtains lignin particles, crosses clear water and washs 3 ~ 5 times, finally standby after vacuum drying；

(2) lignin particles of (1) gained is joined in the container filling 5% formalin, regulation pH is 10 ~ 11, it is heated to 70 ~ 80 DEG C of insulation reaction 1.2 ~ 1.5h, pH value determination is addition sodium sulfite after neutrality, improve and at temperature 130 ~ 150 DEG C, react 3 ~ 4h, again wash and be dried, obtaining modified lignin particles；

(3) mixing ammonium molybdate, calcium ammonium nitrate, zinc powder and other following residual components being not directed to, the ratio of weight portion material-water ratio 1:2 adds water in an amount, it is then heated to 100 ~ 120 DEG C, stir into molten condition, being subsequently adding the modified lignin resin granule described in (2), insulated and stirred 1 ~ 1.2h adsorbs；

(4) mixing anthocyanidin, formic acid, chitosan, heteroauxing and Gypsum Fibrosum powder join during the mixing of (3) gained always expects; heating steaming and decocting controls moisture to 55 ~ 60%; by granulating disc pelletize; cool down volatilization moisture with the remaining temperature room temperature of material self, be freely dried when finally drying to water content 10 ~ 15%.

The thinking of the present invention is by acid adding in the black liquid of alkalescence preparation method, the phenates being originally dissolved in alkali is made to make alkali lignin separate out with acid effect, first take a certain amount of black liquid, heating concentrates, the sulfuric acid solution being subsequently adding 10wt% makes the pH of concentrated solution be 2 ~ 3, allows lignin free adsorbing conglomeration form granule in the case of being slowly stirred, and controls mixing speed and makes granule be between 80 ~ 100 mesh sieves, then it is precipitated by the way of sucking filtration, is washed with deionized the lignin particles obtaining flocculating sedimentation 3 ~ 5 times；

Containing various active group in lignin molecule own, humus it is converted into after slowly being degraded by microorganism in soil, and humus is the main component of earth, extremely critical effect is played in growth to plant, soil urease liveness is had certain inhibitory action, promote plant growing, improvement soil etc..But can not single add in fertilizer as organic, organic offer nutrition is provided like that, can not produce with modern fertilizer and contact, and large usage quantity, effect is general, also it is unworthy expending material resources, the manpower transformation to black liquid, does not also meet the consumption that modern fertilizer advocates few, the obvious feature of effect；nullIn view of this point，Lignin is combined granule and carries out chemical modification by us，Make lignosulfonates，It is a kind of good raw material manufacturing ion exchange resin，Become a kind of macromolecular material，Lignin particles is owing to belonging to free settling，Do not add any binding agent，It is cross-linked to each other loosely organized，After making lignosulfonates，Belong to macromolecular structure，Be cross-linked to each other more horn of plenty，It is not easily broken，There is the strongest cation exch ange adsorption ability simultaneously，And the shortcoming overcoming the poorly water-soluble of lignin own，Invention be not intended to prepare pure cation exchange resin，Mainly controlled by certain condition，The combination making lignin particles is tightr，Strengthen its hydrophilic，The lignin molecule simultaneously making particle surface is converted into lignosulfonates，For adsorbing metal cation，After adding fertilizer，Play certain slow release effect.

Beneficial effects of the present invention: the invention belongs to the organic fertilizer of a Plant Hormone class, with the addition of more chemical element simultaneously, the alkalescence of general chemical element or acidity all can affect effect of phytohormone to a certain extent, and the present invention utilizes the xylonic acid composition of modification, the metallic element making chemical composition becomes organic acid, it is greatly reduced the impact of this respect, effectively controls the growth of apple tree, therefore grow and the income of each side is also more preferable compared with other apple trees.

Detailed description of the invention

Embodiment 1:

A kind of control Apple Growth organic slow-release fertilizer, it is characterized in that, be made up of the raw material of following weight portion (Kg): black liquid 165,10wt% sulfuric acid solution 38,5% formalin 24, sodium sulfite 12, ammonium molybdate 3, heteroauxing 0.2, anthocyanidin 0.8, formic acid 1.2, calcium superphosphate 12, chitosan 3, boric acid 9, zinc powder 8, potassium dihydrogen phosphate 40, calcium oxide 18, Gypsum Fibrosum powder 48, calcium ammonium nitrate 16 and appropriate water.

A kind of preparation method controlling Apple Growth organic slow-release fertilizer, it is characterised in that include following step:

(1) black liquid is joined in reactor, it is heated to boiling, steaming and decocting is concentrated into original 1/3, then heating in water bath is turned to 50 ~ 60 DEG C, insulation, it is slowly stirred 30 ~ 40min with the rotating speed of 120 ~ 150r/min, it is simultaneously introduced 10wt% sulfuric acid solution, sucking filtration obtains lignin particles, crosses clear water and washs 3 ~ 5 times, finally standby after vacuum drying；

(2) lignin particles of (1) gained is joined in the container filling 5% formalin, regulation pH is 10 ~ 11, it is heated to 70 ~ 80 DEG C of insulation reaction 1.2 ~ 1.5h, pH value determination is addition sodium sulfite after neutrality, improve and at temperature 130 ~ 150 DEG C, react 3 ~ 4h, again wash and be dried, obtaining modified lignin particles；

(3) mixing ammonium molybdate, calcium ammonium nitrate, zinc powder and other following residual components being not directed to, the ratio of weight portion material-water ratio 1:2 adds water in an amount, it is then heated to 100 ~ 120 DEG C, stir into molten condition, being subsequently adding the modified lignin resin granule described in (2), insulated and stirred 1 ~ 1.2h adsorbs；

(4) mixing anthocyanidin, formic acid, chitosan, heteroauxing and Gypsum Fibrosum powder join during the mixing of (3) gained always expects; heating steaming and decocting controls moisture to 55 ~ 60%; by granulating disc pelletize; cool down volatilization moisture with the remaining temperature room temperature of material self, be freely dried when finally drying to water content 10 ~ 15%.

Use a kind of Apple Growth organic slow-release fertilizer that controls of the present invention for apple tree planting experiment, select 5 mu of apple cultivation bases, need to use as main fertilizer according to apple cultivation using the fertilizer of the present invention, common fertilizer used by 5 mu of Fructus Mali pumilaes of matched group, result shows: the apple tree growing way of experimental group is more preferable, and either trunk or branch are all more sturdy than matched group, and resistance etc. have been strengthened simultaneously, improving percentage of fertile fruit, harvest is preferable.

Claims (2)

1. one kind controls Apple Growth organic slow-release fertilizer, it is characterized in that, be made up of the raw material of following weight portion: black liquid 150 ~ 180,10wt% sulfuric acid solution 30 ~ 40,5% formalin 20 ~ 30, sodium sulfite 10 ~ 15, ammonium molybdate 2 ~ 4, heteroauxing 0.2 ~ 0.5, anthocyanidin 0.8 ~ 1, formic acid 1 ~ 1.5, calcium superphosphate 10 ~ 15, chitosan 2 ~ 4, boric acid 7 ~ 10, zinc powder 8 ~ 12, potassium dihydrogen phosphate 30 ~ 45, calcium oxide 16 ~ 20, Gypsum Fibrosum powder 45 ~ 50, calcium ammonium nitrate 15 ~ 20 and appropriate water.

A kind of preparation method controlling Apple Growth organic slow-release fertilizer, it is characterised in that include following step:

(1) black liquid is joined in reactor, it is heated to boiling, steaming and decocting is concentrated into original 1/3, then heating in water bath is turned to 50 ~ 60 DEG C, insulation, it is slowly stirred 30 ~ 40min with the rotating speed of 120 ~ 150r/min, it is simultaneously introduced 10wt% sulfuric acid solution, sucking filtration obtains lignin particles, crosses clear water and washs 3 ~ 5 times, finally standby after vacuum drying；

(2) lignin particles of (1) gained is joined in the container filling 5% formalin, regulation pH is 10 ~ 11, it is heated to 70 ~ 80 DEG C of insulation reaction 1.2 ~ 1.5h, pH value determination is addition sodium sulfite after neutrality, improve and at temperature 130 ~ 150 DEG C, react 3 ~ 4h, again wash and be dried, obtaining modified lignin particles；

(3) mixing ammonium molybdate, calcium ammonium nitrate, zinc powder and other following residual components being not directed to, the ratio of weight portion material-water ratio 1:2 adds water in an amount, it is then heated to 100 ~ 120 DEG C, stir into molten condition, being subsequently adding the modified lignin resin granule described in (2), insulated and stirred 1 ~ 1.2h adsorbs；

(4) mixing anthocyanidin, formic acid, chitosan, heteroauxing and Gypsum Fibrosum powder join during the mixing of (3) gained always expects; heating steaming and decocting controls moisture to 55 ~ 60%; by granulating disc pelletize; cool down volatilization moisture with the remaining temperature room temperature of material self, be freely dried when finally drying to water content 10 ~ 15%.