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Equipment and method for measuring solubility of chemical fertilizers

A technology of chemical fertilizers and measuring equipment, which is applied in the field of agricultural irrigation, can solve the problems of unsuitable temperature control and cumbersome measurement process, and achieve the effect of easy pumping and popularization and application

Active Publication Date: 2020-09-25
CAMCE WHU DESIGN & RES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the methods for measuring the solubility of solids mainly include the equilibrium method and the dynamic method. The measurement principle is simple, but the measurement process is cumbersome, and the temperature is not suitable for control. The measured solubility is quite different from the production requirement.

Method used

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  • Equipment and method for measuring solubility of chemical fertilizers

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Embodiment Construction

[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0029] Such as figure 1 Shown, a kind of chemical fertilizer dissolubility measuring equipment comprises holding tank 7, container 8, controller 1, incubator 10, suction device, temperature sensor 2, pH sensor 3, weighing device 9 and operating table 11, wherein , the incubator 10, the liquid suction device, the temperature sensor 2, the pH sensor 3 and the weighing device 9 are electrically connected to the controller 1 respectively, the holding tank 7 is arranged in the incubating box 10, and the holding tank 7 is preferably placed in the incubating box 10 On the base of the inner grid, this is conducive to the uniform heating of the accommodation tank 7. The temperature sensor 2 and the pH sensor 3 are arranged ...

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Abstract

The invention relates to a chemical fertilizer solubility measuring device, which comprises a holding tank, a container, a controller, a constant temperature box, a liquid suction device, a temperature sensor, a pH sensor and a weighing device. The method is as follows: put the storage tank filled with saturated fertilizer solution into the incubator, and heat the saturated fertilizer solution in the storage tank to the preset temperature; when the temperature sensor shows the set temperature and the pH sensor does not change, it will automatically Record the pH value at this time and the measured value m of the weighing device 0 , and then suck the saturated fertilizer liquid into the container, and automatically record the measured value m of the weighing device at this time again 1 ; Move the container to an incubator for heating and drying, and record the mass m of the container at this time 2 ;Calculate the solubility S of the fertilizer solution 1 =(m 2 -m 0 )100 / (m 1 -m 2 )(m 1 -m 2 ). It can measure the solubility of chemical fertilizers in different water sources under different temperature and different acid and alkali conditions.

Description

technical field [0001] The invention relates to the field of agricultural irrigation, in particular to a chemical fertilizer solubility testing device and method. Background technique [0002] In the integrated technology of agricultural water and fertilizer, fertilizers need to be dissolved in irrigation water to supplement water and nutrients to crops. There are four main factors affecting fertilizer solubility: (1) water temperature; (2) acidity and alkalinity of water; (3) pressure; (4) type of fertilizer. Due to different water source conditions, after dissolving the same amount of fertilizer, the acidity and alkalinity of the fertilizer solution are very different, and the effects on crops are also different. Even with the same water source conditions, due to different irrigation times and water temperatures, the effects on fertilizer solubility are also different. However, the solubility of fertilizers that we usually know is a characteristic parameter under specifi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 吴争光杨琳吴光星李泰来
Owner CAMCE WHU DESIGN & RES CO LTD
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