CN1237565A - Solid gas ground composite fertilizer and its production method - Google Patents
Solid gas ground composite fertilizer and its production method Download PDFInfo
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- CN1237565A CN1237565A CN 98112883 CN98112883A CN1237565A CN 1237565 A CN1237565 A CN 1237565A CN 98112883 CN98112883 CN 98112883 CN 98112883 A CN98112883 A CN 98112883A CN 1237565 A CN1237565 A CN 1237565A
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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
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Abstract
The production method of solid gas-ground composite fertilizer is characterized by that it uses the solid acids, such as danty whose humic acid content is above 30%, peat and plant ash or other humic solids to adsorb concentrated sulfuric acid or concentrated nitric acid to form sulfo-or nitro-humic acid solid acid containing free acid, then uses the obtained humic solid acid and ammonium hydrogen carbonate and trace elements of zinc and boron to synthesize the gas-ground composite fertilizer. Said invented solid gas-ground composite fertilizer integrates the CO2 gas fertilizer effect and ammonium humate ground fertilizer effect into one body, and is convenient for storage, transportation and use, and has no pollution to 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-field compound fertilizer comprises carbonate and solid-state acid, wherein the carbonate adopts ammonium bicarbonate, the solid-state acid adopts sulfonic acid group or nitro humic acid solid-state acid containing free acid formed by adsorbing concentrated sulfuric acid or concentrated nitric acid by weathered coal, peat, plant ash or other humic acid solids containing more than 30 percent of humic acid, and the weight percentages of all components in the gas-field compound fertilizer 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%, and the percentage content of borax is 0.1-0.2%, 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 of;
firstly, preparing solid acid, selecting fly ash, 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 ratio 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) The single component package is that the dried solid acid accounts for 30 to 70 weight percent, the ammonium bicarbonate accounts for 30 to 70 weight percent, 0.1 to 0.5 percent of zinc sulfate, 0.1 to 0.2 percent of borax and trace elements can be added or not, the solid acid and the ammonium bicarbonate are evenly mixed, and the mixture is packaged according to different specifications to obtain a finished product;
(2) and packaging the two components: in order to avoid 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-solvent gasoline to prepare a waterproof agent, the waterproof agent is uniformly sprayed on the surface ofammonium 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-releasing 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 react with 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 with large boron, putting the gas-land compound fertilizer into 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 type land fertilizer (containing zinc and boron microelements) and is directly applied to greenhouse lands to be used as land fertilizer.
Determining the using amount of the gas-field compound fertilizer:
the using amount of the gas field compound fertilizer =0.0036 V.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 lppmCO2The required gram number of ammonium bicarbonate
Two embodiments of the invention:
firstly, more than 30% of weathered coal is selected as the solid acid adsorbent, and concentrated sulfuric acid is selected as the 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 ratio of 0.8: 1, and the two 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, then the ammonium bicarbonate is added, and carbon dioxide gas can be generated and diffused into a greenhouse, so that the purpose of applying the gas fertilizer is achieved. After the reaction, the remainder generates sulfonic acid group humic acid ammonium fertilizer containing zinc and boron microelements, and the sulfonic acid group humic acid ammonium fertilizer is shaken up and directly applied to the ground for being used as the fertilizer.
Secondly, 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, added into a reactor according to the ratio of the weathered coal to concentrated nitric acid (65%) 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, namely the gas-land compound fertilizer, and 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 humic acid organic fertilizer can improve the utilization rate of nitrogen and phosphorus of the inorganic fertilizer, resist soil hardening caused by long-term use of the inorganic fertilizer, improve soil, increase the drought resistance and cold resistance of crops, promote root development, stimulate the growthof the crops, strengthen the metabolism of the crops, improve varieties and achieve the purpose of getting on the market early.
(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 soil 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, and the zinc-rich gas-land compound fertilizer can supplement the deficiency of zinc in most soil areas in China; the addition of 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 sulfonic acid group or nitro humic acid solid-state acid containing free acid, which is formed by adsorbing concentrated sulfuric acid or concentrated nitric acid by weathered coal, peat, plant ash or other humic acid solids containing more than 30% of humic acid, and the weight percentages of the components in the gas-field compound fertilizer are as follows: 30-70% of sulfonic or nitro humic acid solid acid; 30-70% of ammonium bicarbonate.
2. The solid-state gas-ground compound fertilizer as claimed in claim 1, characterized in that trace elements zinc, boron and the like 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:
firstly, preparing solid acid, selecting fly ash, 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 ratio 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) The single component package is that the dried solid acid accounts for 30 to 70 weight percent, the ammonium bicarbonate accounts for 30 to 70 weight percent, 0.1 to 0.5 percent of zinc sulfate, 0.1 to 0.2 percent of borax and trace elements can be added or not, the solid acid and the ammonium bicarbonate are evenly mixed, and the mixture is packaged according to different specifications to obtain a finished product;
(2) and packaging the two components: mixing dried solid acid 30-70%, zinc sulfate 0.1-0.5%, and borax 0.1-0.2%, and packaging, wherein trace elements may not be added; 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 surfaces of ammonium bicarbonate particles, 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 true CN1237565A (en) | 1999-12-08 |
| CN1117712C CN1117712C (en) | 2003-08-13 |
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ID=5222676
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) |
Cited By (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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1117712C (en) | 2003-08-13 |
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