CN103539590A - Organic-inorganic compound fertilizer and production method thereof - Google Patents
Organic-inorganic compound fertilizer and production method thereof Download PDFInfo
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- CN103539590A CN103539590A CN201310549469.6A CN201310549469A CN103539590A CN 103539590 A CN103539590 A CN 103539590A CN 201310549469 A CN201310549469 A CN 201310549469A CN 103539590 A CN103539590 A CN 103539590A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 229910010272 inorganic material Inorganic materials 0.000 title abstract 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 47
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 24
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010457 zeolite Substances 0.000 claims abstract description 24
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 23
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims abstract description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000015097 nutrients Nutrition 0.000 claims abstract description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 5
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 5
- 239000006012 monoammonium phosphate Substances 0.000 claims abstract description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims abstract description 4
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 17
- 239000011651 chromium Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000008188 pellet Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 208000006558 Dental Calculus Diseases 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 235000009566 rice Nutrition 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 238000005342 ion exchange Methods 0.000 abstract description 4
- 229910052700 potassium Inorganic materials 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011591 potassium Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000004115 Sodium Silicate Substances 0.000 abstract 2
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 229910001385 heavy metal Inorganic materials 0.000 description 9
- 235000013339 cereals Nutrition 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 206010033546 Pallor Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 239000012615 aggregate Substances 0.000 description 2
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- CQBLUJRVOKGWCF-UHFFFAOYSA-N [O].[AlH3] Chemical compound [O].[AlH3] CQBLUJRVOKGWCF-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- RNQJSXDFEPMSKK-UHFFFAOYSA-N azanium;dihydrogen phosphate;urea Chemical compound [NH4+].NC(N)=O.OP(O)([O-])=O RNQJSXDFEPMSKK-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910021432 inorganic complex Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002688 soil aggregate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004834 spray adhesive Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The invention discloses an organic-inorganic compound fertilizer and a production method thereof. The production method comprises the following steps: squeezing sludge until the water content is 60-70%; drying and dehydrating montmorillonite and zeolite, mixing with the squeezed sludge while hot; aerobically treating the mixture and drying to obtain powder, mixing the powder with urea, MAP (monoammonium phosphate) and potassium chloride, spraying sodium silicate to pelletize, drying, sterilizing and packing. The organic-inorganic compound fertilizer has the benefits that the problems of land occupation and secondary pollution caused by a great amount of sludge from an urban sewage treatment plant are solved, the fertilizer efficiency is obvious, better than that of various fertilizers on current market, and achieves the national compound fertilizer standard; the montmorillonite and the zeolite are capable of promoting the ion exchange of soil, improving the capacity of conserving nitrogen, phosphorus and potassium and other nutrients of the soil and improving the granular structure of the soil and has a remarkable effect of improving acid soil and saline alkali soil; since the sodium silicate contains about 65% effective silicon, the rice blast can be effectively resisted, and the product quality of crops can be improved.
Description
Technical field
The present invention relates to a kind of fertilizer and production method thereof, be specifically related to a kind of compound organic and inorganic fertilizer and production method thereof, belong to fertilizer manufacture field.
Background technology
The throw out that city domestic sewage treatment plant produces in sewage treatment process---mud, accounts for the 0.07%-0.1% of sewage total amount conventionally.There are more than 1.7 ten thousand of large, medium and small city Jin Qiange， organic towns, urban population approximately 700,000,000 people in China.Take 2004 as example, trade effluent water displacement 222 billion cubic meters then, town domestic sewage quantity discharged is 260 billion cubic meters, only sanitary sewage can produce 1.3-2.6 hundred million tons of mud.Because sewage work generally adopts, stack or the mode lignin-sludge of landfill, not only take a large amount of land resources, and easily environment and groundwater resource are around caused to secondary pollution.
After tested, in mud, nutrient content is as follows:
In table 1 mud, C, N, P, K are containing scale (thousandweight) % of unit
National 44Ge city domestic sewage treatment plant Of Heavy Metal Level In Sludge is added up, and result is as follows:
Table 2 Of Heavy Metal Level In Sludge list position: mg/kg
Statistics shows: in China's town domestic sewage, harmful heavy metal mainly be take Zn and Cu as main, other heavy metal content are lower, are widely used as one of the galvanized pipe of running water pipe and cast iron, blass stop valve are Zn in sanitary sewage mud, Cu content is higher reason in cities and towns.The sanitary sewage in some cities and industrial sewage combination treatment, cause Cr, the Cd in Electroplating Operations sewage, the Pb in smelting industry sewage, the Hg content in Plastics Industry sewage in leather industry sewage all higher.
Especially big or middle city, the at present most city of China, or closed by force various high pollution enterprise, galvanized pipe and cast iron, blass stop valve are substituted by environment-friendly materials, in urban domestic sewage sludge, heavy metal content is all lower, lower than pollutent state control standard (GB4284-84) in agricultural mud, therefore, mud is safe as the raw material of agricultural fertilizer.
Pollutent control criterion (GB4284-84) unit: mg/kg in the agricultural mud of table 3
* the control criterion of chromium is used in the general few various mud with agricultural value of sexavalent chrome that contain, and is not used in the settling that contains a large amount of chromic industrial residues or some chemical plant.
The temporary standard for referencial use of *.
Summary of the invention
The object of the present invention is to provide a kind of compound organic and inorganic fertilizer that utilizes mud that city domestic sewage treatment plant produces and make after the mineral raw material of modification mixes by a certain percentage, another object of the present invention is to provide the production technique of producing this compound organic and inorganic fertilizer.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A production method for compound organic and inorganic fertilizer, is characterized in that, comprises the following steps:
(1), with sludge squeezer squeezing sewage work through nitrated mud, make the water content of mud 60-70%, stand-by;
(2), by the dehydration of montmorillonite and Zeolite dehydration, and while hot with squeezing after mud be fully uniformly mixed;
(3), the aforementioned mixture of aerobic treatment, until the water content of mud is down to 30%, then baking mixture obtains powder;
(4), powder and urea, monoammonium phosphate and Repone K are fully stirred, mix;
(5), to spraying water glass in tablets press, carry out granulation;
(6), to pellet be dried, sterilization, packing.
The production method of aforesaid compound organic and inorganic fertilizer, is characterized in that, the weight percent of each raw material is:
The production method of aforesaid compound organic and inorganic fertilizer, is characterized in that, the mass ratio of aforementioned montmorillonite and zeolite is 2:1.
The production method of aforesaid compound organic and inorganic fertilizer, is characterized in that, in step (3), mixture is dried to water content≤10%.
The production method of aforesaid compound organic and inorganic fertilizer, is characterized in that, in step (6), it is 200--350 ℃ that pellet is carried out to dry temperature, is dried to aggregate moisture content≤10%.
The production method of aforesaid compound organic and inorganic fertilizer, is characterized in that, with vitriolate of tartar, replaces Repone K.
, it is characterized in that, by aforesaid method, made.
Aforesaid compound organic and inorganic fertilizer, is characterized in that, the technical indicator of Chemical Mixed Fertilizer is as follows:
Aforementioned total nutrient comprises: N, P
2o
5and K
2o.
Aforesaid compound organic and inorganic fertilizer, is characterized in that, the pH value of Chemical Mixed Fertilizer is 5.5-8.0.
Aforesaid compound organic and inorganic fertilizer, is characterized in that, in Chemical Mixed Fertilizer,
The massfraction of arsenic and compound thereof (take As) is≤0.0004%
The massfraction of cadmium and compound thereof (take Cd) is≤0.0001%
The massfraction of lead and compound thereof (take Pb) is≤0.0027%
The massfraction of chromium and compound (take Cr) is≤0.0026%
The massfraction of mercury and mercuric compounds (take Hg) is≤0.0001%.
Montmorillonite in the mixture of mineral substance and zeolite are by silica (SiO
4) tetrahedron and alumina (AIO
4) tetrahedron is arranged in the skeleton with cage shape according to certain rules, hole and passage are flourishing, and its porosity reaches 23%-50%, specific surface area is large, the negative charge that the powerful capacity that surface has and aluminum-oxygen tetrahedron have, therefore its adsorptive power is powerful especially, can absorb exchange selectively to ammonium ion.
Montmorillonite and zeolite physical property are as follows:
Table 4 montmorillonite and zeolite physical property
Usefulness of the present invention is:
1, solve a large amount of mud land occupations of city domestic sewage treatment plant and the problem of secondary pollution, realized harmlessness disposing and the recycling of mud.
2, fertilizer efficiency is obvious, surpasses all kinds of fertilizer of existing market sale, reaches national Chemical Mixed Fertilizer standard.
3, the present invention's montmorillonite and zeolite used has good ion exchangeable and unique vesicular structure, can promote the ion-exchange of soil, improve the ability of the nutrients such as Soil conservation nitrogen, phosphorus, potassium, improvement acid soil, salt affected soil are had to obvious effect.Can and effectively from air, absorb water.In continuing brief rain period, the ability of the external moisture of this absorption is very favourable to plant growth, therefore can improve the sand in arid and semi-arid area.
4, montmorillonite used in the present invention and zeolite, can effectively keep soil fertility, improves soil aggregate.
5, water glass used in the present invention is because himself containing effective silicon of 65% left and right, and it is the middle amount fertilizer element that farm crop are indispensable that the source of silicon, silicon can be provided to farm crop again, can effectively resist rice blast, and can improve crop products quality.
Embodiment
Below in conjunction with specific embodiment, the present invention is done to concrete introduction.
One, prepare montmorillonite and zeolite
80-150 object montmorillonites and zeolite are mixed according to the ratio of mass ratio 2:1, then utilize roller dryer to carry out processed under 100-120 ℃ of condition, remove the moisture content in montmorillonite and zeolite, stand-by.
In city domestic sewage, ammonia-nitrogen content is 35-60mg/L, wherein colloidal solid shape ammonia nitrogen and organism and ion state ammonium (NH
+ 4) major part is flocculated and is deposited in mud.The present invention has mainly utilized this powerful adsorptive power of montmorillonite and zeolite and to NH
4+ion exchanging function.After montmorillonite and zeolite and mud are fully uniformly mixed, montmorillonite and zeolite be the benefit materials such as the organism in absorption mud and ammonia nitrogen, phosphorus fully, and stable is stored in zeolite.Add the potassium that reaches own wt 3-5% that montmorillonite and zeolite contain itself, as long as supply part ammonia nitrogen, then pass through suitable processing, can obtain high-quality and efficient mixed organic manure.
Heavy metal content in city domestic sewage is very low, montmorillonite and zeolite itself can be by ion-exchange mode Adsorption of Heavy Metal Ions and by its constraint and be suppressed at montmorillonite and the cellular vestibule of zeolite in make it be difficult to discharge and shift, mud as fertilizer sources is after treatment used, to farm crop, be not only safe, but also because montmorillonite and zeolite can adsorb in soil or the heavy metal bringing while using other fertilizer, so can also improve the quality of agricultural-food.
Two, produce compound organic and inorganic fertilizer
1, prepare raw material:
With sludge squeezer squeezing sewage work, through nitrated mud, make the water content of mud 60-70%.
Mud after squeezing and the proportioning of other raw materials are in Table 5.
Table 5 composition of raw materials table (unit: w/w)
| ? | After squeezing | Montmorillonite | Urea | Monoammonium phosphate | Repone K | Water glass |
| ? | Mud | And zeolite | ? | ? | ? | ? |
| Embodiment 1 | 10% | 25% | 35% | 20% | 7% | 3% |
| Embodiment 2 | 20% | 30% | 25% | 10% | 10% | 5% |
| Embodiment 3 | 30% | 40% | 20% | 5% | 2% | 3% |
| Embodiment 4 | 40% | 10% | 20% | 13% | 12% | 5% |
| Embodiment 5 | 10% | 30% | 25% | 20% | 10% | 5% |
| Embodiment 6 | 20% | 40% | 20% | 12% | 4% | 4% |
| Embodiment 7 | 30% | 10% | 45% | 5% | 6% | 4% |
| Embodiment 8 | 40% | 20% | 20% | 10% | 5% | 5% |
| Embodiment 9 | 10% | 40% | 30% | 10% | 6% | 4% |
| Embodiment 10 | 20% | 25% | 20% | 18% | 12% | 5% |
| Embodiment 11 | 30% | 20% | 22% | 13% | 10% | 5% |
| Embodiment 12 | 35% | 35% | 20% | 5% | 2% | 3% |
| Embodiment 13 | 40% | 30% | 20% | 5% | 2% | 3% |
2, production process:
(1), by the montmorillonite after drying and dehydrating and zeolite while hot with squeezing after mud be fully uniformly mixed, obtain mixture, natural drying is air-dry or by roller dryer baking mixture.
(2), mixture moved into fermentation booth carry out aerobic treatment, until the water content of mud is down to 30%, then baking mixture, to water content≤10%, obtains 50-80 object powder by pulverizer ground mixt.
(3), powder and urea, monoammonium phosphate and Repone K are fully stirred, mix, in this step, the available vitriolate of tartar of Repone K (potash fertilizer) replaces.
(4), to spray adhesive water glass in tablets press, carry out granulation.
(5), pellet is inserted in roller dryer, under 200-350 ℃ of conditions, be dried, until aggregate moisture content≤10%, in drying process simultaneously to pellet be dried, sterilization, packing process, and obtains final product compound organic and inorganic fertilizer.
Three, the technical indicator assay of Chemical Mixed Fertilizer
1, compound organic and inorganic fertilizer of the present invention, through Sichuan Province's chemical fertilizer products quality monitoring testing station, according to the check of GB15063--2001 < < composite fertilizer (compound manure) > > national standard lower concentration technical indicator, result is as follows:
Table 6 check all technical value (unit: w/w)
| Interventions Requested title | Measured value | Conclusion | Technical indicator/express value |
| Total nutrient (N+P 2O 5+K 2O) | 25.3-31.9% | Qualified | ≥25.0% |
| Moisture | 0.3-1.6% | Qualified | ≤5.0% |
| Chlorion | —— | —— | —— |
| Available phosphorus (P 2O 5) | 4.0-6.9% | Qualified | ≥4.0% |
| Total nitrogen (N) | 14.6-18.0% | Qualified | ≥13.5% |
| Potassium oxide (K 2O) | 6.7-7.0% | Qualified | ≥4.0% |
As can be seen here, all technical of Chemical Mixed Fertilizer of the present invention all meets the standard that country formulates, qualified product.
2, compound organic and inorganic fertilizer of the present invention,---2002 < < are organic---inorganic complex fertilizer > > national standard technical indicator check according to GB18877 through national hazardous chemical quality supervision and test center, result is as follows:
Table 7 check all technical value (unit: w/w)
| Interventions Requested title | Measured value | Conclusion | Technical indicator/express value |
| Total nutrient (N+P 2O 5+K 2O) | 23.3-31.9% | Qualified | ≥15.0% |
| Moisture | 0.5-1.6% | Qualified | ≤10.0% |
| Available phosphorus (P 2O 5) | 4.0-6.9% | Qualified | ≥2.0% |
| Total nitrogen (N) | 12.6-14.4% | Qualified | ≥8.0% |
| Potassium oxide (K 2O) | 5.2-6.7% | Qualified | ≥2.0% |
| Organic | 25.0-38.0% | Qualified | ≥20% |
| PH-value | 5.9-7.8 | Qualified | 5.5—8.0 |
| Induced worm egg death rate | ≥95% | Qualified | ≥95% |
| Colititre | 4.0-4.5 | Qualified | ≥10-1 |
| Arsenic and compound thereof (in As) | ≤0.0004% | Qualified | ≤0.0050% |
| Cadmium and compound thereof (in Cd) | ≤0.0001% | Qualified | ≤0.0010% |
| Lead and compound thereof (in Pb) | ≤0.0027% | Qualified | ≤0.0150% |
| Chromium and compound (in Cr) | ≤0.0026% | Qualified | ≤0.0050% |
| Mercury and mercuric compounds (in Hg) | ≤0.0001% | Qualified | ≤0.0005% |
As can be seen here, all technical of Chemical Mixed Fertilizer of the present invention all meets the standard that country formulates, qualified product, and also heavy metal content is low, uses safety.
Four, cost keeping
Qingbaijiang District, Chengdu compound organic and inorganic fertilizer production line (producing 50000 tons per year)
| ? | Raw materials cost | Production cycle | Income |
| Conventional fertilizer | 1150 yuan | 1 day | 13% |
| Compound organic and inorganic fertilizer | 1050 yuan | 1 day | 40% |
As can be seen here, the cost of compound organic and inorganic fertilizer drops into product income and is far longer than conventional fertilizer.
Five, the case of product application:
1, paddy rice community, Dou Gou village, Dou Gou township, Guanyun County, Lianyun Harbour, Jiangsu Province simultaneous test
| ? | Plant is high | Spike length | Number of grain per ear | Thousand seed weight | Every mu of spike number | Average yield per mu |
| Conventional fertilizer application district | 97.5cm | 17.8cm | 135 | 25.4g | 17.05 ten thousand | 584.6kg |
| Test site | 98.6cm | 18.5cm | 143 | 26.5g | 17.26 ten thousand | 654.0kg |
As can be seen here, the community growing way of using Chemical Mixed Fertilizer of the present invention is better than the community of conventional fertilizer application, rice plant exceeds 1.1cm, spike length grows 0.7cm, and on every fringe, grain number has more 8, and thousand seed weight increases 1.1g, mu mature spike number increases by 0.21 ten thousand, average yield per mu 654.0kg, than every mu of volume increase 69.4kg of conventional fertilizer application, effect of increasing production is obvious.
In addition, through observing, the rice plant lodging tolerance of test site is stronger.
2, Qiao Xu village, village township paddy rice community simultaneous test is waitd upon in Guanyun County, Lianyun Harbour, Jiangsu Province
| ? | Plant is high | Spike length | Number of grain per ear | Thousand seed weight | Every mu of spike number | Average yield per mu |
| Conventional fertilizer application district | 96.5cm | 17.5cm | 136 | 25.5g | 18.45 ten thousand | 639.8kg |
| Test site | 98.0cm | 18.2cm | 143 | 26.4g | 19.26 ten thousand | 727.1kg |
As can be seen here, the community growing way of using Chemical Mixed Fertilizer of the present invention is better than the community of conventional fertilizer application, rice plant exceeds 1.5cm, spike length grows 0.7cm, and on every fringe, grain number has more 7, and thousand seed weight increases 0.9g, mu mature spike number increases by 0.81 ten thousand, average yield per mu 727.1kg, mu volume increase 87.3kg, effect of increasing production is obvious.
3, paddy rice community, Nangang village, Nangang township, Guanyun County, Lianyun Harbour, Jiangsu Province simultaneous test
| ? | Plant is high | Spike length | Number of grain per ear | Thousand seed weight | Every mu of spike number | Average yield per mu |
| Conventional fertilizer application district | 93.5cm | 16.5cm | 112 | 26.7g | 18.0 ten thousand | 538.3kg |
| Test site | 94.2cm | 17.2cm | 131 | 27.3g | 18.4 ten thousand | 658.0kg |
As can be seen here, the community growing way of using Chemical Mixed Fertilizer of the present invention is better than the community of conventional fertilizer application, rice plant exceeds 0.7cm, spike length grows 0.7cm, and on every fringe, grain number has more 19, and thousand seed weight increases 0.6g, mu mature spike number increases by 0.4 ten thousand, average yield per mu 658kg, mu volume increase 119.7kg, effect of increasing production is obvious.
4, Zhang Wan village, Yi Shan town, Guanyun County, Lianyun Harbour, Jiangsu Province paddy rice community simultaneous test
| ? | Plant is high | Spike length | Number of grain per ear | Thousand seed weight | Every mu of spike number | Average yield per mu |
| Conventional fertilizer application district | 86.5cm | 16.2cm | 126 | 24.5g | 20.45 ten thousand | 631.3kg |
| Test site | 88.0cm | 16.5cm | 133 | 25.2g | 20.63 ten thousand | 691.4kg |
As can be seen here, the community growing way of using Chemical Mixed Fertilizer of the present invention is better than the community of conventional fertilizer application, rice plant exceeds 1.5cm, spike length grows 0.3cm, and on every fringe, grain number has more 7, and thousand seed weight increases 0.7g, mu mature spike number increases by 0.18 ten thousand, average yield per mu 691.4kg, mu volume increase 60.1kg, effect of increasing production is obvious.
In addition, through observing, the rice plant of test site is delicate and pretty, not early ageing, and lodging tolerance obviously strengthens.
It should be noted that, above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (10)
1. the production method of compound organic and inorganic fertilizer, is characterized in that, comprises the following steps:
(1), with sludge squeezer squeezing sewage work through nitrated mud, make the water content of mud 60-70%, stand-by;
(2), by the dehydration of montmorillonite and Zeolite dehydration, and while hot with squeezing after mud be fully uniformly mixed;
(3), mixture described in aerobic treatment, until the water content of mud is down to 30%, then baking mixture obtains powder;
(4), powder and urea, monoammonium phosphate and Repone K are fully stirred, mix;
(5), to spraying water glass in tablets press, carry out granulation;
(6), to pellet be dried, sterilization, packing.
2. the production method of compound organic and inorganic fertilizer according to claim 1, is characterized in that, the weight percent of each raw material is:
3. the production method of compound organic and inorganic fertilizer according to claim 2, is characterized in that, the mass ratio of described montmorillonite and zeolite is 2:1.
4. the production method of compound organic and inorganic fertilizer according to claim 1, is characterized in that, in step (3), mixture is dried to water content≤10%.
5. the production method of compound organic and inorganic fertilizer according to claim 1, is characterized in that, in step (6), it is 200--350 ℃ that pellet is carried out to dry temperature, is dried to aggregate moisture content≤10%.
6. the production method of compound organic and inorganic fertilizer according to claim 1, is characterized in that, with vitriolate of tartar, replaces Repone K.
7. a compound organic and inorganic fertilizer, is characterized in that, by the method described in claim 1 to 6 any one, is made.
8. compound organic and inorganic fertilizer according to claim 7, is characterized in that, the technical indicator of Chemical Mixed Fertilizer is as follows:
Described total nutrient comprises: N, P
2o
5and K
2o.
9. compound organic and inorganic fertilizer according to claim 8, is characterized in that, the pH value of Chemical Mixed Fertilizer is 5.5-8.0.
10. compound organic and inorganic fertilizer according to claim 8, is characterized in that, in Chemical Mixed Fertilizer,
The massfraction of arsenic and compound thereof (take As) is≤0.0004%
The massfraction of cadmium and compound thereof (take Cd) is≤0.0001%
The massfraction of lead and compound thereof (take Pb) is≤0.0027%
The massfraction of chromium and compound (take Cr) is≤0.0026%
The massfraction of mercury and mercuric compounds (take Hg) is≤0.0001%.
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| WO2016115964A1 (en) * | 2015-01-23 | 2016-07-28 | 成都新柯力化工科技有限公司 | Ecological nitrogen fertilizer and preparation method |
| CN110128216A (en) * | 2019-06-20 | 2019-08-16 | 吉林润育农业科技开发有限公司 | A kind of mineral resources type plant maintenance agent and preparation method thereof |
| WO2021030886A1 (en) * | 2019-08-16 | 2021-02-25 | Alfa Residuos Eireli | Granulated water treatment plant sludge composition containing mineral additives and respective preparation process |
| CN113016522A (en) * | 2021-03-24 | 2021-06-25 | 内蒙古蒙草生态环境（集团）股份有限公司 | Method for planting corn by partially replacing chemical fertilizer with organic fertilizer |
| CN113287485A (en) * | 2021-06-02 | 2021-08-24 | 北京城市排水集团有限责任公司 | Organic-inorganic compound nutrient soil and preparation method thereof |
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| CN113287485A (en) * | 2021-06-02 | 2021-08-24 | 北京城市排水集团有限责任公司 | Organic-inorganic compound nutrient soil and preparation method thereof |
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