CN1073933A - Long-acting urea fertilizer with more trace elements and manufacture method - Google Patents
Long-acting urea fertilizer with more trace elements and manufacture method Download PDFInfo
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- CN1073933A CN1073933A CN 91112643 CN91112643A CN1073933A CN 1073933 A CN1073933 A CN 1073933A CN 91112643 CN91112643 CN 91112643 CN 91112643 A CN91112643 A CN 91112643A CN 1073933 A CN1073933 A CN 1073933A
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Abstract
A kind of long-acting urea fertilizer with more trace elements is characterized in that, adds the saturated solution of zinc, manganese, boron, copper, iron, molybdenum in urea synthesis, as urease inhibitor and trace element fertilizer.The present invention also provides a kind of above-mentioned method that contains urease inhibitor and micro-long-acting urea fertilizer of making that is specifically designed to, it keeps the synthesis technique of conventional urea, it is characterized in that being provided with before the evaporization process of urine the metering injecting device of the tee joint of a dissolving tank (1), container for storing liquid (2), volume pump (3).Long-acting urea fertilizer with more trace elements provided by the present invention is used in the corresponding high soil of urease activity, and still comparable common urea volume increase 7～15.2% is launched than being 1: 25～50.
Description
The present invention relates to the field of urea fertilizer and manufacture method thereof, a kind of long-acting urea fertilizer with more trace elements and manufacture method promptly are provided.
Urea is present most widely used solid nitrogenous fertilizer, its nitrogen content is 1.4 times of ammonium nitrate, 2.2 times of sulphur ammonium, 2.7 times of carbon ammonium, however, owing to be subjected to factor affecting such as urease activity in the soil and weather condition, measure the nitrogen utilization efficiency that I distinguish urea according to the study and have only 30～40%, also super only 45～60 days of field fertilizer efficiency phase, exactly after having used the Resorcinol long-acting urea fertilizer (patent No. is CN85109580.A) that Shenyang woods soil developed, also because of the difference of urease activity, soil physical and chemical property and weather condition in the soil, result of use is desirable not to the utmost.The present invention solves problem from another one better approach just.
The present invention is from improving the urea utilization ratio, suppress the purpose of soil urease liveness and set out, both organically are combined as a whole, and considers design.One utilizes trace elements such as zinc (Zn), manganese (Mn), boron (B) to urease inhibiting effect in the soil, reduces urease activity; Its two, utilizing trace element fertilizer is that the necessary nutrient of plant growth has absorbed the conciliation effect to crop root, promotes the absorption of nitrogen, has improved the utilization ratio of nitrogenous fertilizer, is to kill two birds with one stone.
Design of the present invention, method and technological line are to be achieved by following embodiment.
The long-acting urea fertilizer with more trace elements of manufacturing of the present invention is characterized in that directly adding zinc, manganese, boron, copper, iron, molybdenum saturated solution in the urea production, as urease inhibitor and trace element fertilizer.Concrete prescription is: the zinc sulfate with 1～2%, and the boric acid of 1～2 ‰ manganous sulfate and 0.5～1 ‰ is ratio, is made into saturated solution, directly adds before urine evaporation and injects, and makes effective ingredient be respectively zinc: 2.27～4.54 ‰; Manganese: 0.33～0.66 ‰; Boron: 0.088～0.176 ‰, can make common urea be modified as long-acting carbamide like this.
The method (diagram) of making above-mentioned fertilizer that is specifically designed to provided by the invention, it keeps the synthesis technique of conventional urea, before the evaporization process of urine, the metering injecting device of the tee joint of dissolving tank (1), container for storing liquid (2), volume pump (3) is set, finish the operation of evaporation, granulation synchronously, and feed back with computerized information and to control volume pump.
Long-acting urea fertilizer with more trace elements provided by the invention, in indoor pot experiment, use the N-15 isotope tracer studies, can improve the plain utilization ratio 5～11% of N, on high land for growing field crops of urease activity and plot experiment, use and to make field fertilizer efficiency prolong about 10 days, and can improve crop yield 7～15.2% than common urea.Pressing the per kilogram fertilizer cost increases by 0.03 yuan of calculating, produces and throws than being 25～50: 1, and visible economic benefit is appreciable.
Description of drawings
The 1-dissolving tank
The 2-container for storing liquid
The 3-volume pump
The 4-microsystem
5-urine groove
6-one steams well heater
Claims (3)
1, a kind of long-acting urea fertilizer with more trace elements and manufacture method is characterized in that, directly add trace element fertilizer zinc, manganese, boron, copper, iron, molybdenum saturated solution in urea production process, as urease inhibitor.
2, long-acting urea fertilizer with more trace elements according to claim 1 is characterized in that, each component effective ingredient zinc: 2.27～4.54 ‰; Manganese: 0.33～0.66 ‰; Boron: 0.088～0.176 ‰.
3, a kind of manufacture method of more trace elements fertilizer, it is characterized in that, this manufacture method is the metering injecting device that the tee joint of a dissolving tank (1), container for storing liquid (2), volume pump (3) is set before the evaporization process of urine, finishes the evaporation prilling operation synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91112643 CN1073933A (en) | 1991-12-29 | 1991-12-29 | Long-acting urea fertilizer with more trace elements and manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91112643 CN1073933A (en) | 1991-12-29 | 1991-12-29 | Long-acting urea fertilizer with more trace elements and manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1073933A true CN1073933A (en) | 1993-07-07 |
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ID=4910989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91112643 Pending CN1073933A (en) | 1991-12-29 | 1991-12-29 | Long-acting urea fertilizer with more trace elements and manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073933A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064943C (en) * | 1997-03-28 | 2001-04-25 | 寇庆德 | Urea synergist |
| CN104926570A (en) * | 2015-02-10 | 2015-09-23 | 四川美丰化工股份有限公司 | Method of producing urea with high stability |
| CN105367175A (en) * | 2015-12-02 | 2016-03-02 | 锦西天然气化工有限责任公司 | Production process for zinc-containing urea |
| CN106588183A (en) * | 2016-12-02 | 2017-04-26 | 锦西天然气化工有限责任公司 | Production process of boron-nitrogen fertilizer |
-
1991
- 1991-12-29 CN CN 91112643 patent/CN1073933A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064943C (en) * | 1997-03-28 | 2001-04-25 | 寇庆德 | Urea synergist |
| CN104926570A (en) * | 2015-02-10 | 2015-09-23 | 四川美丰化工股份有限公司 | Method of producing urea with high stability |
| CN104926570B (en) * | 2015-02-10 | 2018-03-16 | 四川美丰化工股份有限公司 | A kind of method of production stability urea |
| CN105367175A (en) * | 2015-12-02 | 2016-03-02 | 锦西天然气化工有限责任公司 | Production process for zinc-containing urea |
| CN106588183A (en) * | 2016-12-02 | 2017-04-26 | 锦西天然气化工有限责任公司 | Production process of boron-nitrogen fertilizer |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |