CN105594501A - Urea resin foam particle matrix and processing method thereof - Google Patents
Urea resin foam particle matrix and processing method thereof Download PDFInfo
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- CN105594501A CN105594501A CN201510807476.0A CN201510807476A CN105594501A CN 105594501 A CN105594501 A CN 105594501A CN 201510807476 A CN201510807476 A CN 201510807476A CN 105594501 A CN105594501 A CN 105594501A
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- resin foam
- lauxite
- urea resin
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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- Life Sciences & Earth Sciences (AREA)
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Abstract
A urea resin foam particle matrix is prepared by evenly mixing, by weight, 20-50% of urea resin foam particles and 40-60% of nutrition particles. A main raw material of the nutrition particles is one or more of straw, sawdust, turf, distillers' grains, agaric residues, sludge, rice husks and biogas residues. The invention further discloses a processing method of the urea resin foam particle matrix. The processing method comprises the steps that the nutrition particles are prepared; the nutrition particles are put into a discharging hopper, and the discharging speed is set; urea resin foam is prepared; matrix particles are prepared; the urea resin foam particles wrapped with the nutrition particles fall into a collecting bin in a variable weight mode, and the finished product is obtained. A large quantity of holes exist between the urea resin foam particles, so that water retention, breathing, rooting and sprouting are facilitated, and meanwhile the using amount of the urea resin foam is reduced; the urea resin foam sticks a layer of nutrition particles through the stickness of the urea resin foam in the solidifying process, and thus the nutrition particles can be evenly distributed on the peripheries of the urea resin foam particles.
Description
Technical field:
The present invention relates to seedling medium processing technique field, particularly a kind of Lauxite foam particle matrixAnd processing method.
Background technology:
Soilless culture (soilessculture) refer to garden crop cultivation without natural soil by matrix or only educateMatrix when seedling, is named respectively and grows seedlings or cultivation matrix, the cultivation side of irrigating with nutrient solution after field plantingMethod, can save soil, because good rhizospheric environment can be manually created in soilless culture, effectively prevents that soil from connectingDo disease and soil salt and accumulate the physiological barrier causing, fully meet crop to mineral nutrition, moisture, gasThe needs of the environmental conditions such as body, the stock of cultivation use can recycle again, therefore has water-saving, provinceThe features such as fertilizer, saving of labor, high yield and high quality.
Live through the whole nation in 2010 on a large scale after snow disaster, industrial seedling rearing gradually by many agriculture aspects insighted itScholar accepts, and this has also greatly promoted the research of the application aspect of seedling medium. Use more host materialThere are peat, rock wool, vermiculite, perlite, bagasse, mushroom slag, grit and haydite etc. Rock wool and peat at presentMost widely used general in the whole world, be the comparatively ideal cultivation matrix of generally acknowledging in the world. But along with using in a large number year by year,Its negative effect of bringing to society and ecological environment also becomes clear day by day, on the one hand due to rock wool non-degradable,A large amount of use brought secondary pollution to environment; On the other hand, peat is non-renewable resource, is also the earthThe carrier of wetland, excessive exploitation has the danger of exhaustion; Therefore, seek and excavation is easy to get inexpensive, alternativeThe good Novel seedling raising matrix of the material such as peat, rock wool has become one of current researcher study hotspot.
Develop the organic substrates such as cocoanut fiber, bark, wood sawdust abroad, not only can significantly fallLow cultivation cost, and reduced the pollution to environment. China to matrix research start late, " gather materials on the spot,The research and development of suiting measures to local conditions " become common recognition, as strengthened on the south the Changjiang river, the reasonable use after charred rice husk is groundStudy carefully; Slag is strengthened in North China, and coordinates the materials such as the peat composed of rotten mosses, vermiculite, sawdust to mix the research using; Northeast addsThe strong research to the peat composed of rotten mosses, sawdust etc.; And in Shandong, Jiangsu, Henan one band suits measures to local conditions to have studied with treasureThe seedling medium products such as Zhu Yan, vermiculite, the peat composed of rotten mosses have obtained larger popularization; Great Northwest is strengthened sand cultureThe research of technology etc. More domestic scientific research institutions have more or less carried out matrix developmental research at present, but not yetReach the practical stage, and wherein the report of the research taking coconut palm chaff as matrix body material is extremely rare.
Lauxite foam has that quality is light, water absorbing and retaining properties good, manufactures abundant raw material, cheap, workThe plurality of advantages such as skill is simple, at present newer soilless culture substrate adopts Lauxite cystosepiment to replace vermiculiteAnd perlite, be covered with the peat composed of rotten mosses/stalk/bacterium chaff thereon organic matter, humic acid and nutrition are provided. ThisMatrix is because lower floor is wherein the tabular comparatively high consumption to Lauxite foam, and fine pore degree is abundant, macrovoidDegree is not enough, therefore crop root is breathed not ideal enough, need to cover on upper strata in addition the thicker peat composed of rotten mosses/stalk/Bacterium chaff layer etc., and seedling is to take root on Lauxite cystosepiment, can not carry out secondary, three points of seedlings, movesWhen cultivation, inferior main root and main radicula system destroy seriously, and nutriment is not easy to arrive root, or transplants while dividing seedling and inhaleReceive function and destroyed, effect is not ideal enough.
Summary of the invention:
Given this, be necessary to design a kind of Lauxite foam particle matrix, be also necessary to provide in addition oneThe processing method of Lauxite foam particle matrix.
A kind of Lauxite foam particle matrix, evenly mix and form by the raw material of following percentage by weight:
Lauxite foam particle 20~50%, nutrition powder 40~60%;
The primary raw material of described nutrition powder be stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,One or more in rice husk, natural pond slag; The preparation method of nutrition powder: add VT-in above-mentioned primary raw materialAerobic fermentation bacterium, the mass ratio of VT-aerobic fermentation bacterium and above-mentioned primary raw material is 1:(1000~2000), adopt largeHeap fermentation 25~35 days, drying and crushing afterwards, obtains nutrition powder.
A processing method for Lauxite foam particle matrix, comprises the following steps:
Step 1: the preparation of nutrition powder; Stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,In one or more in rice husk, natural pond slag, add VT-aerobic fermentation bacterium, VT-aerobic fermentation bacterium and above-mentioned mainThe mass ratio of raw material is 1:1400, adopts raft fermentation 25~35 days, and ageing afterwards, drying and crushing, obtainNutrition powder;
Step 2: nutrition powder is put into material-falling hopper, and set blanking speed;
Step 3: the preparation of Lauxite foam; In reaction vessel by 28% formalin with 20%NaOH regulates pH value 5.0~5.5, by the polycondensation reaction 1 at 90 DEG C of the formalin of urea and 28%Hour obtain urea-formaldehyde resin solution, by sodium butylnaphthalenesulfonate and phosphoric acid mixed configuration expanding foam solution, stir expanding foam solutionAfter producing a large amount of foams, join urea-formaldehyde resin solution continuation stirring, obtain Lauxite foam thing;
Step 4: the preparation of matrix particle; Open high pressure valve and pass into gases at high pressure to reaction vessel, startup is blownWind device and material-falling hopper, along with the continuous generation of Lauxite foam, under gases at high pressure effect on reaction vesselThe Lauxite foam of portion constantly goes out by the conduit discharge end benefit being connected with reaction vessel top, is blowingUnder the horizontal wind action of wind device, the Lauxite foam particle that benefit goes out is down the wind constantly to loss in air, ureaUrea formaldehyde foam particle contacts mixed with the nutrition powder evenly falling from material-falling hopper through time below material-falling hopperClose, make to form nutrition powder integument around Lauxite foam particle; Nutrition powder integument is sticky glutinousMake outward can not be bonded together between Lauxite foam particle at Lauxite foam particle, thus convenientBe processed into granularly, utilize Lauxite foam stickiness bonding one deck nutrition powder in the time solidifying itself simultaneouslyNutrition powder can be evenly distributed in around Lauxite foam particle;
Step 5: the Lauxite foam particle change of parcel nutrition powder heavily falls to rewinding storehouse and obtains finished product.
Preferably, reaction vessel is multiple to realize continuous production, the Lauxite bubble in current reaction vesselFoam uses next reaction vessel to replace current reaction vessel after producing.
Lauxite foam of the present invention is granular, except the fine pore of Lauxite foam itself, and urea aldehydeBetween resin foam particle and nutritional granular, between irregular granules, there are a large amount of holes, just with water conservation, ventilative,Take root, sprout, be conducive to crop root nutrition exchange of particles and reduce simultaneously the use amount of the peat composed of rotten mosses; In processing systemIn the standby process of Lauxite foam particle, use nutrition powder to eliminate fast Lauxite foam particle viscosity,Make process more succinct, rapid, utilize Lauxite foam stickiness of in the time solidifying itself sticky simultaneouslyKnot one deck nutrition powder can be evenly distributed in around Lauxite foam particle nutrition powder, nutritionParticle reduces the water content of foam particle, and nutriment is dispersed.
Brief description of the drawings:
Accompanying drawing 1 is the schematic diagram of the Lauxite foam particle matrix process equipment of a width preferred embodiments.
Accompanying drawing 2 is schematic top plan view of the reaction vessel of a width preferred embodiments.
In figure: material-falling hopper 1, reaction vessel 2, discharging opening 11, conduit 21, hair-dryer 3, rewinding storehouse 4.
Detailed description of the invention:
A kind of Lauxite foam particle matrix, evenly mix and form by the raw material of following percentage by weight:
Lauxite foam particle 20~50%, nutrition powder 40~60%;
The primary raw material of described nutrition powder be stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,One or more in the industrial or agricultural organic solid wastes such as rice husk, natural pond slag; The preparation method of nutrition powder: above-mentionedIn primary raw material, add VT-aerobic fermentation bacterium, the mass ratio of VT-aerobic fermentation bacterium and above-mentioned primary raw material is1:(1000~2000), adopt raft fermentation 25~35 days, ageing afterwards, drying and crushing, obtain nutrition powder.
As shown in Figure 1, 2, a kind of processing method of Lauxite foam particle matrix, comprises the following steps:
Step 1: the preparation of nutrition powder; Stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,In one or more in rice husk, natural pond slag, add VT-aerobic fermentation bacterium, VT-aerobic fermentation bacterium and above-mentioned mainThe mass ratio of raw material is 1:1400, adopts raft fermentation 25~35 days, and drying and crushing afterwards, obtains nutrient powderGrain;
Step 2: nutrition powder is put into material-falling hopper 1, and set blanking speed; Wherein, material-falling hopper 1For oscillatory type material-falling hopper, be positioned at reaction vessel 2 sides tops, material-falling hopper 1 discharging opening 11 is just to below, blankingBucket is 1 for scattering homodisperse nutrition powder, blanking speed will with Lauxite foam grain in step 4The speeds match that son goes out to air benefit, makes nutrition powder percentage by weight in final products reach designing requirement;
Step 3: the preparation of Lauxite foam; In reaction vessel 2 by 28% formalin with 20%NaOH regulate pH value 5.0~5.5, by the polycondensation reaction at 90 DEG C of the formalin of urea and 28%Within 1 hour, obtain urea-formaldehyde resin solution, by sodium butylnaphthalenesulfonate and phosphoric acid mixed configuration expanding foam solution, stir expanding foam solutionAfter producing a large amount of foams, join urea-formaldehyde resin solution continuation stirring, obtain Lauxite foam thing; Reaction is heldDevice 2 is closed container, is laid with conduit 21 at its top, conduit 21 one end and reaction vessel 2 UNICOMs,Conduit 21 other ends are discharge end, and hair-dryer 3 is positioned at the reaction vessel relative with material-falling hopper 12 opposite sides,, to conductive pipe 21 discharge ends, push up from hair-dryer 3 sides to material-falling hopper 1 side reaction container 2 in the air port of hair-dryer 3The conduit 21 discharge end height of portion reduce gradually, make Lauxite foam particle with the wind drift path with leadThe direction of managing 21 discharge end height reductions is consistent; Hair-dryer 3 is connected with source of the gas;
Step 4: the preparation of matrix particle; Open high pressure valve and pass into gases at high pressure to reaction vessel 2, startHair-dryer 3 and material-falling hopper 1, along with the continuous generation of Lauxite foam, under gases at high pressure effect, reaction is heldThe Lauxite foam on device 2 tops is constantly by conduit 21 discharge ends that are connected with reaction vessel 2 topsBenefit goes out, and under the horizontal wind action of hair-dryer 3, the Lauxite foam particle that benefit goes out is down the wind constantly to skyLoss in gas, Lauxite foam particle when material-falling hopper 1 below with from material-falling hopper 1, evenly fallThe contact of nutrition powder mixes, and makes to form nutrition powder integument around Lauxite foam particle; NutritionPowder integument is sticky in Lauxite foam particle and makes outward can not be bonded between Lauxite foam particleTogether, thereby be processed into easily granularly, utilize Lauxite foam stickiness of in the time solidifying itself sticky simultaneouslyKnot one deck nutrition powder can be evenly distributed in around Lauxite foam particle nutrition powder;
Step 5: the Lauxite foam particle change of parcel nutrition powder heavily falls to 4 one-tenth, rewinding storehouseProduct.
In the present embodiment, reaction vessel is multiple to realize continuous production, the urea in current reaction vesselUrea formaldehyde foam uses next reaction vessel to replace current reaction vessel after producing.
Claims (3)
1. a Lauxite foam particle matrix, is characterized in that: the raw material by following percentage by weight is evenly mixedBe combined into:
Lauxite foam particle 20~50%, nutrition powder 40~60%;
The primary raw material of described nutrition powder be stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,One or more in rice husk, natural pond slag; The preparation method of nutrition powder: add VT-in above-mentioned primary raw materialAerobic fermentation bacterium, the mass ratio of VT-aerobic fermentation bacterium and above-mentioned primary raw material is 1:(1000~2000), adopt largeHeap fermentation 25~35 days, drying and crushing afterwards, obtains nutrition powder.
2. a processing method for Lauxite foam particle matrix, is characterized in that, comprises the following steps:
Step 1: the preparation of nutrition powder; Stalk, wood chip, the peat composed of rotten mosses, vinasse, agaric fungus chaff, mud,In one or more in rice husk, natural pond slag, add VT-aerobic fermentation bacterium, VT-aerobic fermentation bacterium and above-mentioned mainThe mass ratio of raw material is 1:1400, adopts raft fermentation 25~35 days, and ageing afterwards, drying and crushing, obtainNutrition powder;
Step 2: nutrition powder is put into material-falling hopper, and set blanking speed;
Step 3: the preparation of Lauxite foam; In reaction vessel by 28% formalin with 20%NaOH regulates pH value 5.0~5.5, by the polycondensation reaction 1 at 90 DEG C of the formalin of urea and 28%Hour obtain urea-formaldehyde resin solution, by sodium butylnaphthalenesulfonate and phosphoric acid mixed configuration expanding foam solution, stir expanding foam solutionAfter producing a large amount of foams, join urea-formaldehyde resin solution continuation stirring, obtain Lauxite foam thing;
Step 4: the preparation of matrix particle; Open high pressure valve and pass into gases at high pressure to reaction vessel, startup is blownWind device and material-falling hopper, along with the continuous generation of Lauxite foam, under gases at high pressure effect on reaction vesselThe Lauxite foam of portion constantly goes out by the conduit discharge end benefit being connected with reaction vessel top, is blowingUnder the horizontal wind action of wind device, the Lauxite foam particle that benefit goes out is down the wind constantly to loss in air, ureaUrea formaldehyde foam particle contacts mixed with the nutrition powder evenly falling from material-falling hopper through time below material-falling hopperClose, make to form nutrition powder integument around Lauxite foam particle;
Step 5: the Lauxite foam particle change of parcel nutrition powder heavily falls to rewinding storehouse and obtains finished product.
3. the processing method of Lauxite foam particle matrix as claimed in claim 2, is characterized in that: reactionContainer is multiple.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106718778A (en) * | 2016-11-24 | 2017-05-31 | 冯汝龙 | The mobile factory of urea formaldehyde resin foam particle matrix |
CN107360890A (en) * | 2017-08-03 | 2017-11-21 | 刘国备 | A kind of nutrition comprehensively and breeding, raising seedling Nutrition Soil of retain water and nutrients and preparation method thereof |
CN108834861A (en) * | 2018-05-31 | 2018-11-20 | 合肥宸翊商贸有限公司 | A kind of cultivation device |
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