CN1117712C - Solid gas ground composite fertilizer and its production method - Google Patents
Solid gas ground composite fertilizer and its production method Download PDFInfo
- Publication number
- CN1117712C CN1117712C CN 98112883 CN98112883A CN1117712C CN 1117712 C CN1117712 C CN 1117712C CN 98112883 CN98112883 CN 98112883 CN 98112883 A CN98112883 A CN 98112883A CN 1117712 C CN1117712 C CN 1117712C
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- China
- Prior art keywords
- acid
- solid
- gas
- compound fertilizer
- humic
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D7/00—Fertilisers producing carbon dioxide
Abstract
The present invention relates to a solid gas-ground composite fertilizer and a production method thereof, which is characterized in that solid acid adopts danty with more than 30% of humic acid, peat and plant ash or other solids of humic solid to absorb concentrated sulfuric acid or concentrated nitric acid so that solid acid of sulfonic-group humic acid or nitro-group humic acid is formed, and the solid acid comprises free acid; the gas-ground composite fertilizer is prepared by that the solid acid is synthesized with carbon dioxide gas fertilizers and humic acidic ammonium ground fertilizers. The gas-ground composite fertilizer integrates the efficiency of the carbon dioxide gas fertilizes and the humic acidic ammonium ground fertilizers. The present invention has the advantages of convenient storage, transportation and use, and no pollution for soil.
Description
The invention belongs to the field of fertilizers, and particularly relates to a gas-land compound fertilizer capable of generating carbon dioxide and a production method thereof.
The carbon dioxide gas fertilizer can promote photosynthesis of plants and increase crop yield, and is particularly effective as a means for increasing yield in protected land. The 'production and application method of carbon dioxide solid gas fertilizer for protected area' disclosed in Chinese patent CN1088562A, the 'solid carbon dioxide gas fertilizer and its production method' disclosed in CN1150581A and the like all change liquid acid into solid acid, and then are compatible with carbonate, when in use, the carbon dioxide gas fertilizer is generated by adding water. The problems of inconvenient transportation and use of the carbon dioxide gas fertilizer, poor safety of directly using liquid concentrated acid and the like are solved to a certain extent, but the defects are that residue waste is left after the carbon dioxide gas fertilizer exerts the fertilizer effect, and the soil of a protected area is polluted after long-term use.
The invention aims to provide a solid-state air-field compound fertilizer and a production method thereof, when the compound fertilizer is applied, the compound fertilizer can not only exert the effect of carbon dioxide air fertilizer, but also the residual liquid is humic acid organic land fertilizer, and the compound fertilizer plays roles of improving soil and promoting the development and growth of crop roots.
In order to achieve the purpose, the invention adopts the technical scheme that: the solid-state gas-ground compound fertilizer comprises carbonate and solid-state acid, wherein the carbonate adopts ammonium bicarbonate, the solid-state acid adopts weathered coal, peat or plant ash containing more than 30% of humic acid as a solid to adsorb concentrated sulfuric acid or concentrated nitric acid to form sulfonic acid group or nitro humic acid solid-state acid containing free acid, and in the gas-ground compound fertilizer, the weight percentages of all components are as follows:
30-70% of sulfonic or nitro humic acid solid acid:
30-70% of ammonium bicarbonate.
The gas-land compound fertilizer can also be added with trace elements of zinc, boron and the like, wherein the percentage content of zinc sulfate is 0.1-0.5 percent, and the percentage content of borax is 0.1-0.2 percent, so as to be beneficial to better growth and development of plants.
The production process of the solid-state gas-field compound fertilizer comprises the following steps:
preparing solid acid, selecting weathered coal, peat or plant ash containing more than 30% of humic acid as a solid acid adsorbent, crushing the solid acid adsorbent to 1-2mm, and (1) when the acid is concentrated sulfuric acid, uniformly mixing the adsorbent and the acid according to the proportion of 1: 0.5-3, controlling the temperature to be 40-100 ℃, and reacting for 4-6 hours to form porous black sulfonic humic acid solid acid particles containing free acid; (2) when the concentrated nitric acid is selected as the acid, the adsorbent and the acid are uniformly mixed according to the proportion of 1: 1-2, the temperature is controlled at 80-90 ℃, and after 2-4 hours of reaction, the porous nitro humic acid solid acid containing the free acid is formed
Synthesis of (II) gas-field compound fertilizer
(1) Single component packaging, namely uniformly mixing dried solid acid 30-70 wt%, ammonium bicarbonate 30-70 wt%, zinc sulfate 0.1-0.5 wt%, borax 0.1-0.2 wt% and trace elements not required, and subpackaging according to different specifications to obtain a finished product;
(2) packaging the two components to avoid the failure due to moisture, uniformly mixing 30-70% of dried solid acid, 0.1-0.5% of zinc sulfate and 0.1-0.2% of borax, and subpackaging; separately packaging 30-70% ammonium bicarbonate, and packaging into big bag to obtain the final product.
In order to slowly release carbon dioxide, waste polystyrene gaskets can be utilized to be cleaned and dried in the sun, then 15 percent of the weight of the gaskets is dissolved in 50 percent of mixed solvent of toluene and solvent gasoline to prepare a waterproof agent, the waterproof agent is uniformly sprayed on the surface of ammonium bicarbonate, and the ammonium bicarbonate with the surface sprayed with the waterproof agent is synthesized with other components according to the proportion to obtain the slow release gas-ground compound fertilizer.
The chemical principle of the solid-state gas-ground compound fertilizer is as follows:
the solid acid of the invention is sulfonic (or nitro) humic acid, and when in use, free acid ionizes to obtain H after water is added+Ions first with HCO3 -Reaction is carried out:
then acidic groups such as carboxyl, phenolic hydroxyl and the like on the sulfonic (or nitro) humic acid and NH4 -React to form sulfonic (or nitro) ammonium humate fertilizer and simultaneously generate H+Precipitation of H+Continuing with HCO3 -Reaction is carried out:
wherein R represents the nucleus of humic acid
The use method and the dosage of the solid-state gas-field compound fertilizer are as follows:
the method comprises the steps of determining the using amount of the gas-land compound fertilizer according to the required amount of carbon dioxide in a greenhouse, putting the gas-land compound fertilizer in a plastic container, adding water to release the carbon dioxide gas fertilizer, and shaking up the solution after the reaction is finished, wherein the solution is humic acid organic land fertilizer (containing zinc and boron microelements) and is directly applied to the greenhouse to be used as the land fertilizer.
Determining the using amount of the gas-field compound fertilizer:
the amount of the gas field compound fertilizer is 0.0036V.P/A
In the formula: v is the volume of the protected space in m3
P is the administration of CO2Concentration in ppm
A is NH in the gas-field compound fertilizer4HCO3In percent by weight of
0.0036 is per m3Generation of 1ppm CO2Grams of ammonium bicarbonate required
Two embodiments of the invention:
the first embodiment is as follows: the solid acid adsorbent is selected from weathered coal containing more than 30% of humic acid, and the acid is selected from concentrated sulfuric acid. The preparation process comprises the following steps: the weathered coal is crushed to 1-2mm, the weathered coal and concentrated sulfuric acid (95%) are added into a reactor according to the proportion of 1: 1, the temperature is controlled at 50-60 ℃, the mixture is stirred and reacted for 5 hours, then 0.1% of zinc sulfate and 0.1% of borax are added, the mixture is stirred for 0.5 hour, the sulfonic humic acid solid acid containing trace elements of zinc and boron is obtained, then the solid acid and ammonium bicarbonate are respectively filled into small plastic bags according to the weight of 0.8: 1, and the two plastic bags are filled into a large plastic bag, thus obtaining the gas-ground compound fertilizer. When the gas fertilizer is used, the solid acid in the big bag is cut off from the ammonium bicarbonate, the solid acid is firstly added into a container for containing water, and then the ammonium bicarbonate is added, so that carbon dioxide gas can be generated and diffused into a greenhouse, and the purpose of applying the gas fertilizer is achieved. After the reaction is finished, the remainder generates sulfonic acid ammonium humate organic soil fertilizer containing trace elements of zinc and boron, and the sulfonic acid ammonium humate organic soil fertilizer is uniformly shaken and directly applied to the ground to be used as soil fertilizer.
Example two: the solid acid adsorbent is still selected from weathered coal, and the acid is selected from concentrated nitric acid. The preparation process comprises the following steps: the weathered coal is crushed to 1-2mm, the weathered coal and concentrated nitric acid (65%) are added into a reactor according to the proportion of 1: 1, the temperature is controlled to be about 80 ℃, the reaction lasts for 3 hours, then 0.1% of zinc sulfate and 0.1% of borax are added, and the mixture is stirred for 0.5 hour, thus obtaining the nitrohumic acid solid acid containing trace elements of zinc and boron. The prepared solid acid and ammonium bicarbonate are respectively put into small plastic bags according to the weight ratio of 1: 1, and then the two bags are put into a big plastic bag, thus obtaining the gas-ground compound fertilizer. The using method is the same as the first embodiment.
The invention has the following characteristics:
(1) the carbon dioxide gas fertilizer and the ammonium humate ground fertilizer are organically combined together, so that the carbon dioxide required by the photosynthesis of the crops in the protected area is solved, and the ammonium humate organic fertilizer is provided for the crops in the protected area. The ammonium humate organic fertilizer can improve the utilization rate of nitrogen and phosphorus in inorganic fertilizer, resist soil hardening caused by long-term application of the inorganic fertilizer, improve soil, increase drought and cold resistance of crops, promote root development, stimulate crop growth, enhance crop metabolism, improve variety and achieve early marketing.
(2) The gas-field compound fertilizer is convenient and safe to store, transport and use, does not need special equipment, does not release harmful gases such as carbon monoxide, ammonia gas and the like, does not have residual wastes, and the residual solution is humic acid organic fertilizer.
(3) The zinc salt is added into the gas-land compound fertilizer, the formed zinc humate is organic zinc, the plant absorption and utilization rate of the zinc humate is more than 5 times of that of inorganic zinc, the zinc deficiency can be compensated by the zinc deficiency in most of the soil in China, and the addition of the trace element boron is beneficial to plant development, sugar conversion, flowering, fertilization and fruit setting.
Claims (4)
1. A solid-state gas-field compound fertilizer comprises carbonate and solid-state acid, wherein the carbonate is ammonium bicarbonate, and the solid-state acid is characterized in that weathered coal, peat or plant ash containing more than 30% of humic acid is used as a solid to adsorb concentrated sulfuric acid or concentrated nitric acid to form sulfonic acid group or nitro humic acid solid-state acid containing free acid, and in the gas-field compound fertilizer, the weight percentages of the components are as follows:
30-70% of sulfonic or nitro humic acid solid acid;
30-70% of ammonium bicarbonate.
2. The gas-land compound fertilizer as claimed in claim 1, characterized in that trace elements zinc and/or boron can be added, the percentage content of zinc sulfate is 0.1-0.5%, and the percentage content of borax is 0.1-0.2%.
3. A production method of a solid-state gas-field compound fertilizer as claimed in claim 1 or 2, comprising preparation of solid-state acid and synthesis of gas fertilizer, characterized in that:
preparing solid acid, selecting weathered coal, peat or plant ash containing more than 30% of humic acid as a solid acid adsorbent, crushing the solid acid adsorbent to 1-2mm, and (1) when the acid is concentrated sulfuric acid, uniformly mixing the adsorbent and the acid according to the proportion of 1: 0.5-3, controlling the temperature to be 40-100 ℃, and reacting for 4-6 hours to form porous black sulfonic humic acid solid acid particles containing free acid; (2) when the concentrated nitric acid is selected as the acid, the adsorbent and the acid are uniformly mixed according to the proportion of 1: 1-2, the temperature is controlled at 80-90 ℃, and after 2-4 hours of reaction, the porous nitro humic acid solid acid containing the free acid is formed
Synthesis of (II) gas-field compound fertilizer
(1) Single component packaging, namely uniformly mixing dried solid acid 30-70 wt%, ammonium bicarbonate 30-70 wt%, zinc sulfate 0.1-0.5 wt%, borax 0.1-0.2 wt% and trace elements not required, and subpackaging according to different specifications to obtain a finished product;
(2) packaging the two components, namely uniformly mixing 30-70% of dried solid acid, 0.1-0.5% of zinc sulfate and 0.1-0.2% of borax, and subpackaging, wherein trace elements can be omitted; separately packaging 30-70% ammonium bicarbonate, and packaging into big bag to obtain the final product.
4. The method for producing a solid-state gas-ground compound fertilizer as claimed in claim 3, wherein the gas-ground compound fertilizer is prepared by washing and drying waste polystyrene mats, dissolving the washed mats in a mixed solvent of toluene-solvent gasoline in an amount of 15% by weight to obtain a water-proofing agent, uniformly spraying the water-proofing agent on the surface of ammonium bicarbonate, and proportionally mixing the ammonium bicarbonate with other components to obtain the gas-release-retarding compound fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98112883 CN1117712C (en) | 1998-05-30 | 1998-05-30 | Solid gas ground composite fertilizer and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98112883 CN1117712C (en) | 1998-05-30 | 1998-05-30 | Solid gas ground composite fertilizer and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1237565A CN1237565A (en) | 1999-12-08 |
| CN1117712C true CN1117712C (en) | 2003-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98112883 Expired - Fee Related CN1117712C (en) | 1998-05-30 | 1998-05-30 | Solid gas ground composite fertilizer and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1117712C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992146A (en) * | 2014-05-04 | 2014-08-20 | 张良 | Activated sludge fertilizer |
| CN114213159A (en) * | 2021-12-14 | 2022-03-22 | 山东省神农生态科技股份有限公司 | Carbon dioxide gas fertilizer and production method thereof |
-
1998
- 1998-05-30 CN CN 98112883 patent/CN1117712C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1237565A (en) | 1999-12-08 |
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