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Cyromazine urea granules and preparation method thereof

A technology of cyromazine and urea granules, applied in the fields of botanical equipment and methods, urea compound fertilizers, biocides, etc., can solve problems such as the influence of melamine, reduce the fertilizer efficiency of livestock and poultry manure, etc., so as to increase the urea content and reduce the frequency of medication , the effect of saving labor

Pending Publication Date: 2018-10-02
刘长德 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problem of melamine residue in livestock and poultry food after oral administration of cyromazine and external use of cyromazine affect or reduce the fertilizer efficiency of livestock and poultry manure

Method used

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  • Cyromazine urea granules and preparation method thereof
  • Cyromazine urea granules and preparation method thereof
  • Cyromazine urea granules and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Prescription: urea (particle size 1-3mm) 200kg, cyromazine (content 95%) 4.2kg, polyethylene glycol 6000 1.1kg.

[0040] Preparation:

[0041] (1) Polyethylene glycol 6000 is heated to 55-58°C in the liquid mixing tank. After the polyethylene glycol 6000 is completely dissolved, add the original powder of cyromazine and mix for 10 minutes; the temperature of the above mixture is controlled at 55-58°C ;

[0042] (2) Put urea into the fluidized granulator, turn on the fluidized granulator, transport the uniformly mixed drug in step (1) to the top nozzle of the fluidized granulator through the pipeline, open the valve, and spray; the drug meets the surface The urea particles with lower temperature are cooled rapidly to form a drug layer;

[0043] (3) Put the above-mentioned intermediate product after spraying into a horizontal mixer and continue mixing for 5 minutes before discharging; the drug is cooled to normal temperature (15-25° C.).

[0044] (4) Oscillating and sc...

Embodiment 2

[0046] Formula: 800kg of urea (particle size 1-3mm), 16.8kg of cyromazine (95% content), 9kg of polyethylene glycol 6000.

[0047] Preparation:

[0048] (1) First put urea into the horizontal mixer. There is a heating pipe in the interlayer of the outer wall of the mixer, and the heating oil is fed in, and the oil temperature is 110°C; turn on the mixer, mix for 5 minutes, and heat the urea to make the temperature of the urea reach 45 -50°C;

[0049] (2) Add polyethylene glycol 6000 to the heated urea, keep the temperature at 45-50°C, and mix for 10 minutes;

[0050] (3) Add the original drug of cyromazine to the above-mentioned mixed urea, keep the temperature at 45-50°C, mix for 5 minutes, discharge, and cool to normal temperature (15-25°C).

[0051] (4) Oscillating and screening the granules, the selected cyromazine urea granules have a diameter of 1-4 mm.

Embodiment 3

[0053] Formula: urea 800kg, cyromazine (content 95%) 16.8kg.

[0054] (1) Heat the urea particles to 130-170°C in the container to dissolve them all;

[0055] (2) Get the former powder of cyromazine and join in the liquid urea, mix 20 minutes; The liquid urea that mixes evenly is transported in the prilling tower by pipeline, according to the general production process of urea, liquid spray granulation;

[0056] (3) According to the quality standard of product, use vibrating sieve to sieve and select particles, and the cyromazine urea particle diameter is at 1-4 millimeter.

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Abstract

The invention discloses cyromazine urea granules and a preparation method thereof. The external cyromazine urea granules are prepared by taking the urea as a carrier; in particular, the surface of theurea is wrapped with cyromazine serving as coating uniformly through a certain process, so that the cyromazine is distributed on the surface of the urea uniformly and is not liable to fall off. The cyromazine urea granules for external use can control and kill fly maggots in livestock excrement, can also increase the nitrogen content of the livestock excrement and solves the problems that melamine is remained in the livestock food after the cyromazine is orally taken as well as the fertilizer effect of the livestock excrement is influenced or reduced after the cyromazine is externally used.

Description

technical field [0001] The invention relates to a cyromazine urea granule and a preparation method thereof, belonging to the field of veterinary medicine and its manufacture. Background technique [0002] Cyromazine, chemical name: 2-cyclopropylamino-4,6-diamino-S-triazine, which is an insect growth regulator, can inhibit the moulting of Diptera larvae, especially the 1st stage moulting of larvae, The reproduction of fly maggots is hindered and the death of fly maggots is caused. In vitro tests showed that after the fly eggs were treated with 1% cyromazine liquid, although the hatching was not affected, the fly maggots all died before moulting. Oral administration of chickens can completely kill fly maggots even if the drug content in the feces is extremely low. The median lethal concentration of various flies is about 0.4-2mg / kg. When the concentration in the feed reaches 1mg / kg, it can control most of the flies in the feces. For the development of fly maggots, 5mg / kg is ...

Claims

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Application Information

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IPC IPC(8): A01N25/26A01N43/68A01P7/04C05G3/02C05C9/00C05G3/60
CPCA01N25/26A01N43/68C05C9/00C05G3/60
Inventor 刘长德刘凯
Owner 刘长德
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