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Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof

The technology of sprinkler and drip irrigation and plug head is applied in the field of spray-assisted drip irrigation plug head cleaning type concentrated fertilizer and its production field, which can solve the problems of complicated technical operation, unsafe factors, environmental pollution, etc., and achieves expansion of application scope, strong mobility, good effect

Inactive Publication Date: 2007-02-07
菏泽开发区曹州农用化学有限公司
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Problems solved by technology

Among these three methods, the first two effects cannot solve the fundamental problem, and the third method has high cost, complicated technical operation, unsafe factors in popularization and application, and easy to cause environmental pollution

Method used

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Examples

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Embodiment Construction

[0021] First, add the purchased 85% industrial phosphoric acid and the purchased industrial urea into the polymerization kettle in a weight ratio of 0.4:1, and then add 0.5% of the raw material in the polymerization kettle to defoam according to the weight ratio, and heat to 170°C- Polymerize at 180°C for 20 minutes, then cool to about 40°C to obtain a mixture of solid short-chain ammonium oligophosphates with 3<n≤18. The nutrient content of the mixture is: nitrogen content 20%, phosphorus pentoxide content 52%.

[0022] Then, in every 1000 parts according to the weight ratio, 230 parts of solid short-chain oligopolyammonium phosphate of 3<n≤18, 400 parts of water, 220 parts of 85% industrial phosphoric acid, 50 parts of calcium nitrate, and 100 parts of potassium nitrate, prepare this Fertilizers are invented.

[0023] Step 1), dilute 220 parts of 85% industrial phosphoric acid with 150 parts of water, add 50 parts of calcium nitrate and heat to dissolve, then add 100 parts o...

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Abstract

This invention relates to a concentrated fertilizer in aid of sprinkler irrigation bolt head cleaning, belonging to the chemical fertilizer field. The fertilizer includes (from each 1000 parts) solid short chain ammonium low polyphosphate (3 C05G 1 / 00 C05B 7 / 00 C05B 17 / 00 C05C 5 / 00 0 4 1 2006 / 8 / 11 1907921 2007 / 2 / 7 100361940 2008 / 1 / 16 2008 / 1 / 16 2008 / 1 / 16 Heze Exploitation Region Caozhou Chemurgy Co., Ltd. Shandong 274000 Wang Lianxiang Yan Chuansheng Li Jinfeng Zhang Xuefeng Wu Cuiping wang ruyin 37105 The Patent Agency of Jinan City No.187 Jinshi Road, the City of Jinan, Shandong Province 250014

Description

Technical field: [0001] The invention relates to a concentrated fertilizer for drip irrigation and a production method thereof. Background technique: [0002] With the construction of a conservation-minded society and the rise of precision agriculture, drip irrigation technology has been popularized nationwide, covering a variety of planting systems and crops. Especially in the arid regions of Northwest China, irrigation under plastic film will soon become a routine measure to increase production. The promotion area has increased substantially year after year. With the development of drip irrigation technology, the fertilization technology has also been reformed accordingly. The drip micro-irrigation and fertilization technology has entered the field of fertilization technology research. Scientific research, enterprises, technology promotion and other industries have developed a series of fertilizers that are compatible with micro-irrigation. Agricultural production played...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05B7/00C05B17/00C05C5/00
Inventor 王连祥闫传胜李金凤张学锋吴翠平
Owner 菏泽开发区曹州农用化学有限公司
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