CN100360639C

CN100360639C - Slow-released soil amendment and production thereof

Info

Publication number: CN100360639C
Application number: CNB2006100246295A
Authority: CN
Inventors: 陈华龙
Original assignee: JIEXIANG FINE CHEMICAL PLANT SHANGHAI
Current assignee: JIEXIANG FINE CHEMICAL PLANT SHANGHAI
Priority date: 2006-03-13
Filing date: 2006-03-13
Publication date: 2008-01-09
Anticipated expiration: 2026-03-13
Also published as: CN1818018A

Abstract

The present invention belongs to a soil conditioning material, which particularly relates to a slow release soil amendment and a preparation method thereof. The method adopts concave-convex rod stone clay ATB and sodium acrylic acid as main raw materials, the main raw materials are processed and treated, and the soil amendment is prepared. The time of water retention for soil can be greatly prolonged. Simultaneously, if proper quantities of beneficial elements and disinfecting agents are added, water is kept, and simultaneously, the fertilizer increase and the sterilization of plants are realized.

Description

Slow-released soil amendment and production method

Technical field

The present invention relates to soil conditioning materials class, relate to a kind of slow-released soil amendment and production method thereof concretely.

Background technology

Existing Chinese market is cultured flowers and trees chemical fertilizer series nothing more than fertilizer, inorganic fertilizer, comprises composite fertilizer, and the detritus soil of cultivation, what solve is plant-growth desired nutritional problem in the soil, and to sandy soil especially in the soil, the liquid manure leakage is powerless, the summer temperature height, moisture evaporation is fast, fertilizer is subjected to the influence of water, and also a large amount of thereupon losses cause invisible waste, cause cost to increase, even owing to the few fertile famous and precious trees death that causes of lack of water.

Summary of the invention

The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of slow-released soil amendment is provided, this amendment adopts attapulgite clay ATB and acrylic acid sodium as main raw material, make through processing treatment, can prolong the water conservation time of soil greatly, if add an amount of beneficial element or sterilizing agent simultaneously again, just can in water conservation, realize getting fat and sterilization to plant.

The object of the invention realizes being finished by following technical scheme:

A kind of slow-released soil amendment is characterized in that this soil conditioner is to be made of attapulgite clay ATB and sodium acrylate SAP, and the shared mass percent of attapulgite clay ATB wherein is 60-70%.

The mass percent of the crystalline content of attapulgite clay ATB is not less than 70%.Sodium acrylate SAP is that the suction multiple reaches 300 times hydroscopic high-molecular resin at least.Can in above-mentioned soil conditioner, add the nutrient substance that is no more than 9% mass percent, also can in above-mentioned soil conditioner, add the plant of 0.1% mass percent and use acidic disinfectant.

A kind of production method of slow-released soil amendment is characterized in that the flow process of this method is: at first to ATB carry out ore dressing, purification, press filtration, extruding, dry, milling obtains work in-process, more in proportion with itself and sodium acrylate SAP mixing and stirring.

Ore dressing is raw material attapulgite clay ATB to be carried out methylene blue adsorption decide, and the blue amount of the suction of being measured should be not less than 30%.

Purification is by cool naturally the solarization soil cryodrying of ATB ore deposit to be not more than to moisture content under 20% the situation, places stock tank to pull an oar afterwards, and the extraction slurries are removed impurity, finish purification.

Press filtration is that the ATB slurries after purifying are put into settling tank, is drawn into pressure filter then and squeezes the branch that anhydrates, and becomes the clod shape, goes out to press.

Extruding is that block ATB ore deposit soil natural air drying to moisture is not more than at 30% o'clock, carry out shearing force and shear, fully launch family of ATB crystal group, make it to be dispersed into single crystal, after to rod machine extrusion shearing, form flap, again with its natural drying to moisture smaller or equal to 15-20%.

Oven dry is in the form of sheets ATB ore deposit soil to be entered stoving oven carry out oven drying at low temperature, and the humidity of materials after oven dry is come out of the stove requires at 10-15%, dries in the air to room temperature naturally at last.

Milling is that ATB ore deposit soil with after the oven dry carries out grinding, and the grinding grain divide to obtain through 100 mesh sieves.

Advantage of the present invention is, nontoxic, avoided the liquid manure in the soil to run off, thoroughly solved the few fertile problem of the soil lack of water that often occurs in the plant-growth, promoted surviving and grow of plant, the product water conservation time in the winter time is not less than 45 days, is not less than 30 days in season in spring and autumn, be not less than 20 days in summer, avoided plant fully because of can not in time supplying the broken phenomena of mortality that moisture causes.

Concrete technical scheme

By the following examples feature of the present invention and other correlated characteristic are described in further detail, so that technician's of the same trade understanding:

The slow-released soil amendment that present embodiment relates to, be to constitute by montmorillonite type attapulgite clay ATB and 300 times of sodium acrylate SAP of suction multiple, the shared mass percent of montmorillonite type attapulgite clay ATB wherein is 60.9%, the shared mass percent of sodium acrylate SAP is 30%, the plant of 0.1% mass percent is used acidic disinfectant, the nutrient substance of 9% mass percent, this nutrient substance can select nitrogen, phosphorus, potassium to constitute according to a certain ratio according to the specific requirement of plant.

The present embodiment production method is: at first to ATB carry out ore dressing, purification, press filtration, extruding, dry, milling obtains work in-process, in proportion with itself and acrylic acid sodium SAP mixing and stirring, flow process is as follows again:

1, ore dressing is raw material attapulgite clay ATB to be carried out methylene blue adsorption decide, measuring method is a principle of utilizing ATB to be dispersed in to have in the aqueous solution the blue ability of adsorption of methylene, method is as follows: take by weighing 0.2 gram sample, place the Erlenmeyer flask that adds 50 ml distilled waters, make sample moistening in advance, after adding 20 milliliters of 1% sodium pyrophosphate solutions (dispersion agent) again and shaking up, little boiling 5 minutes on electric furnace is chilled to after the room temperature with 0.2% methylene blue solution titration.During titration, can add for the first time and estimate 2/3 of methylene blue solution amount, each later on adding 0.5-1 milliliter is until terminal point.The method of endpoint detection is, around each central stain, see to have or not and blue halo occurs, if blue halo do not occur, then continue to drip methylene blue solution, so repeatable operation until light blue halo occurring, was rocked 30 minutes again, drop on the filter paper, still obvious as blue halo, both be titration end point, record titration methylene blue liquor milliliter number that time is consumed, calculate according to following formula: the blue amount of suction (gram methylene blue/100 grams are native)=(A * B)/C * 100, A in the formula is the methylene blue weight (gram) that contains in every milliliter of methylene blue, and B is that titration consumes methylene blue solution (milliliter), and C is sample weight (gram).Weight 0.2 gram of regulation sample in this mensuration, the methylene blue strength of solution is 0.2%, inhales blue numerical quantity so titration value is, and requires ATB to inhale blue amount 〉=30% herein.

2, purify be by natural cold shine be not more than 20% situation to ATB ore deposit soil moisture content under, place stock tank to pull an oar afterwards, extract slurries, remove impurity, finish purification, Concavo-convex stick after purifying crystalline content 〉=88%.

3, press filtration is that the ATB slurries after purifying are put into settling tank, is drawn into pressure filter then and squeezes the branch that anhydrates, and becomes the clod shape, goes out to press.

4, extruding be with block ATB ore deposit soil natural air drying to water ratio when the 25%-30%, carry out shearing force and shear, fully launch family of ATB crystal group, make it to be dispersed into single crystal, behind two roll-to-roll machine extrusion shearings, form flap, again with its natural drying to water ratio between 15-20%.

5, oven dry is in the form of sheets ATB ore deposit soil to be entered stoving oven carry out oven drying at low temperature, and with the free water of oven dry ATB clay absorption, in the stove temperature requirement 100-150 ℃, the temperature of charge after coming out of the stove requires at 10-15%, dries in the air to room temperature naturally at last.

6, milling is that ATB ore deposit soil with after the oven dry carries out grinding, and the grinding grain divide to obtain through 100 mesh sieves, by screen over-size less than 30%.

7, the plant of the sodium acrylate SAP of the attapulgite clay ATB that the employing aforesaid method of 60.9% mass percent is processed, 30% mass percent, 0.1% mass percent be with the nutrient substance of acidic disinfectant, 9% mass percent (this nutrient substance can select nitrogen, phosphorus, potassium to constitute by-the proportioning of Dinging according to the specific requirement of plant), is that the mixing stirring that 300 times acrylic acid sodium SAP mixes by the retrograde rotation mixing and blending machine makes product with the suction multiple.

For the unwanted bacteria that can kill in the plant root soil of selecting for use of sterilizing agent, soil there is disinfection in the present embodiment.

The technical feature of present embodiment product is as follows:

Project	Index
Project	Index	Moisture content (%)	12
PH value (1: 250 times of dilution)	6.5-7.5	Moisture content (%)	12
PH value (1: 250 times of dilution)	6.5-7.5	Granularity≤0.63mm (%)	95
Inhale deionized water multiple (m/m)	20-50	Granularity≤0.63mm (%)	95

Product adds behind the water mixing of 25 times of amounts under 26 ℃ environment, the moisture conservation rate:

Place fate	10	20	30
Place fate	10	20	30	The moisture conservation rate	80	60	40

The using method of present embodiment product is:

Example 1: be used to afforest potted landscape.

This product 100 gram is mixed thoroughly with 3-5 kilogram cultivating soil thorough mixing, by traditional method flowers are planted the jail, every basin 1kg-2kg that slowly waters is as the criterion with not seepage of basin.If big potted flower wood is transplanted by this product and cultivating soil proportioning mix and stir at 1: 40, supply moisture after planting in fact, this product water conservation time is 15-30 days, liquid manure effective rate of utilization 〉=90%.

Example 2: be used for booth vegetable.

This product per kilogram is mixed back 5 kilograms of nitrogenous fertilizer of adding mix thoroughly with 40 kilograms of dry ground, implant plant root; If by every square 10 gram dispenser ground, turn over to 10-15 centimetre soil layer, sandy soil uses, and has better effect; Supply moisture afterwards.

Example 3: be used for arboriculture.

For little sapling, add-on 200 gram/, for big-and-middle-sized trees, preparation is used in proportion, and this product is mixed soil by 1: 40 times, and reality is planted in backfill, disposablely waters sufficient moisture, waters once every first quarter moon again, need not use any fertilizer.

Example 4: mend when executing liquid manure being used for the cultivation of tress,, can color method use, supply moisture afterwards with local punching adding for old trees.

Claims

1, a kind of slow-released soil amendment, it is characterized in that this soil conditioner is to be made of attapulgite clay ATB and sodium acrylate SAP, the shared mass percent of attapulgite clay ATB wherein is 60%-70%, and the mass percent of the crystalline content of described attapulgite clay ATB is not less than 70%.

2, a kind of slow-released soil amendment according to claim 1 is characterized in that the suction multiple of described sodium acrylate SAP reaches 300 times at least.

3, a kind of slow-released soil amendment according to claim 1 is characterized in that being added with in the described soil conditioner nutrient substance that is no more than 9% mass percent.

4, a kind of slow-released soil amendment according to claim 3 is characterized in that described nutrient substance comprises at least a in nitrogen, phosphorus, the potassium.

5, a kind of slow-released soil amendment according to claim 1 is characterized in that the plant that is added with 0.1% mass percent in the described soil conditioner uses acidic disinfectant.

6, the production method of a kind of slow-released soil amendment according to claim 1, the flow process that it is characterized in that this production method is: at first to ATB carry out ore dressing, purification, press filtration, extruding, dry, milling obtains work in-process, more in proportion with itself and sodium acrylate SAP mixing and stirring.

7, the production method of a kind of slow-released soil amendment according to claim 6 is characterized in that described ore dressing is raw material attapulgite clay ATB to be carried out methylene blue adsorption decide, and the blue amount of measured suction should be not less than 30%.

8, the production method of a kind of slow-released soil amendment according to claim 6, it is characterized in that described purification is by cool naturally the solarization soil cryodrying of ATB ore deposit to be not more than to moisture content under 20% the situation, place stock tank to pull an oar afterwards, extract slurries, remove impurity, finish purification.

9, the production method of a kind of slow-released soil amendment according to claim 6 is characterized in that described press filtration is that the ATB slurries after purifying are put into settling tank, is drawn into pressure filter then and squeezes the branch that anhydrates, and becomes the clod shape, goes out to press.

10, the production method of a kind of slow-released soil amendment according to claim 6, it is characterized in that described extruding is that block ATB ore deposit soil natural air drying to moisture is not more than at 30% o'clock, carrying out shearing force shears, fully launch family of ATB crystal group, make it to be dispersed into single crystal, behind the twin rollers extrusion shearing, form flap, again with its natural drying to moisture smaller or equal to 15-20%.

11, the production method of a kind of slow-released soil amendment according to claim 6, it is characterized in that described oven dry is in the form of sheets ATB ore deposit soil to be entered stoving oven carry out oven drying at low temperature, humidity of materials after oven dry is come out of the stove requires at 10-15%, dries in the air from room temperature naturally at last.

12, the production method of a kind of slow-released soil amendment according to claim 6 is characterized in that described milling is that ATB ore deposit soil with after the oven dry carries out grinding, and the grinding grain divide to obtain through 100 mesh sieves, and screen over-size is not more than 3%.