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Suspension liquid potash fertilizer, liquid compound fertilizer and preparation method and application of liquid potash fertilizer

A liquid and potash fertilizer technology, applied in liquid fertilizer, urea compound fertilizer, application and other directions, can solve the problems of unstable supply and high price, and achieve the effect of low production cost, low energy consumption, and no stratification of storage.

Inactive Publication Date: 2017-05-31
北京天辰云农场有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem solved by the present invention is: currently there are relatively few high-potassium liquid fertilizers on the market, and most of the market products are low-nutrient clear liquid liquid potassium fertilizers or sugar alcohol chelated liquid potassium fertilizers, the price is relatively high, and the supply is unstable.

Method used

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  • Suspension liquid potash fertilizer, liquid compound fertilizer and preparation method and application of liquid potash fertilizer
  • Suspension liquid potash fertilizer, liquid compound fertilizer and preparation method and application of liquid potash fertilizer
  • Suspension liquid potash fertilizer, liquid compound fertilizer and preparation method and application of liquid potash fertilizer

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preparation example Construction

[0046] Meanwhile, the invention provides a method for preparing liquid potassium fertilizer. Wherein, in a preferred embodiment of the present invention, the preparation method of the high-concentration suspension type liquid potassium fertilizer comprises the following steps:

[0047] (1) According to the total amount of 100 parts, add 20-25 parts of water, 4-6 parts of antifreeze, 1.5-3 parts of dispersant, and 3-5 parts of suspending agent into the reaction kettle A under high-speed stirring conditions. , high-speed stirring for 40-50min, the speed of the stirrer is 800-1000 rpm, until all the above substances are dissolved and a homogeneous liquid is formed;

[0048] (2) Pump the liquid in the reactor A into the sand mill and carry out high-speed sand mill, the sand mill time is 40-50 minutes, the rotating speed of the sand mill is 2500-2800 rev / min, then take potassium chloride 4- 8 parts, 6-8 parts of potassium nitrate, 2-4 parts of potassium sulfate, 1-2 parts of potassi...

Embodiment 1

[0060] Embodiment 1 provides a kind of high-concentration suspension type liquid potassium fertilizer, according to 100 parts in total, the formula is as follows: 6 parts of potassium chloride, 8 parts of potassium nitrate, 3 parts of potassium sulfate, 3 parts of potassium fulvic acid, 47 parts of potassium formate 2 parts, 2 parts of ethylene glycol, 2 parts of urea, 1.5 parts of sodium hexametaphosphate, 2 parts of sodium bentonite, 1 part of lithium magnesium silicate, 0.3 parts of X-70500, 0.5 parts of CHS-5, 0.2 parts of xanthan gum, water 23.5 servings.

[0061] The preparation method of the high-concentration suspension type liquid potash fertilizer described in the present embodiment one, with reference to the attached figure 1 shown, including the following steps:

[0062] 1) Weigh 23.8kg of water and add it to reactor A. Under high-speed stirring, add 2kg of urea, 2kg of ethylene glycol, 1.5kg of sodium hexametaphosphate, 2kg of sodium bentonite, and 1kg of lithium...

Embodiment 2

[0077] Embodiment 2 provides a high-concentration suspension-type liquid potassium fertilizer. The formula is as follows: 7 parts of potassium nitrate, 0.5 parts of potassium fulvic acid, 60 parts of potassium formate, 3 parts of glycerol, and potassium pyrophosphate according to 100 parts in total. 1 part, 3 parts of sodium hexametaphosphate, 4 parts of sodium bentonite, 0.1 part of BS-163, 0.1 part of BS-126, 0.6 part of sodium benzoate, 0.4 part of hydroxyethyl cellulose, 20.3 parts of water.

[0078] The preparation method of the high-concentration suspension type liquid potash fertilizer described in the present embodiment two comprises the following steps:

[0079] 1) Weigh 20.3kg of water, add it to reactor A, and add 3kg of glycerol, 1kg of potassium pyrophosphate, 3kg of sodium hexametaphosphate, and 4kg of sodium bentonite successively under high-speed stirring conditions, and the speed of the agitator is 1200 rpm , and continue to stir for 40 minutes until all the a...

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Abstract

The invention belongs to the technical field of agricultural fertilizers, and particularly relates to a suspension liquid potash fertilizer, a liquid compound fertilizer and a preparation method and application of the liquid potash fertilizer. The suspension liquid potash fertilizer comprises a potassium salt, and aid and water, wherein the aid comprises an anti-freezing agent, a dispersing agent, a suspension agent, an anti-foaming agent, a preservative and a thickening agent. The liquid compound fertilizer comprises the liquid potash fertilizer disclosed by the invention, a nitrogen fertilizer and / or phosphoric acid. The high-concentration suspension liquid potash fertilizer has the advantages of high nutrient content, no salting out at a low temperature, no layering and no sedimentation after being stored for a long time, simple process, low raw material cost, no need of pressurizing and heating, low energy consumption, and no production of waste water and waste gas. The suspension liquid potash fertilizer can be applied separately, and is suitable for facility agriculture such as spray irrigation and drip irrigation; the suspension liquid potash fertilizer can be mixed and used together with a urea-ammonium nitrate solution and an ammonium low polyphosphate solution; a liquid fertilizer with a proper nutrient formula is prepared according to the soil conditions of planting areas, crop kinds and growth conditions, is suitable for soil testing and formulated fertilization, has a high nutrient utilization rate, and can be widely popularized.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, and in particular relates to a suspension type liquid potassium fertilizer, a liquid compound fertilizer and a preparation method and application thereof, in particular to a high concentration suspension type liquid potassium fertilizer obtained by utilizing high concentration potassium salt and its compounding The obtained liquid compound fertilizer and its preparation method and application. Background technique [0002] Liquid fertilizer is more easily absorbed by crops, and its absorption and utilization rate has reached 80%-90%; the fertilizer effect is fast, and it can meet the nutritional needs of high-yield crops during the rapid growth period. Fertilization operations can be done almost without labor, greatly saving labor costs, and have been widely used in developed countries in the world. With the gradual establishment of my country's farmland irrigation system, farme...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05B17/00C05D1/00C05G3/00C05G5/27C05C5/02C05C9/00C05D1/02C05D5/00C05D9/00C05F11/00C05F11/02
Inventor 朱培祥房福力李春燕王新玉王书平
Owner 北京天辰云农场有限公司
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