CN-224216613-U - Detection device for detecting release rate of fertilizer

Abstract

The utility model discloses a detection device for detecting a fertilizer release rate, which comprises a solution bottle, a filtering container, a stirring device and a pen-type TDS meter. The solution bottle is provided with a containing cavity, the filtering container can extend into the containing cavity and can be taken out from the containing cavity, the filtering container is provided with a fertilizer containing cavity, the filtering container is also provided with a filtering hole, two ends of the filtering hole are respectively communicated with the fertilizer containing cavity and the external environment, the stirring device is used for stirring the solution in the solution bottle, and the pen-type TDS meter is used for being inserted into the solution bottle to detect the dilution degree of the fertilizer in the solution bottle. It does not require expensive equipment, thereby reducing the cost of measuring the release rate of the fertilizer.

Inventors

• LIU HUILI
• WANG XIAOCHUN
• REN XIPING
• JIANG HANYUAN

Assignees

• 拉多美科技集团股份有限公司

Dates

Publication Date

20260508

Application Date

20250425

Claims (10)

1. 1. A detection device for detecting a fertilizer release rate, comprising: A solution bottle (1), the solution bottle (1) having a receiving cavity (11); the filter container (2), the filter container (2) can stretch into the accommodating cavity (11) and can be taken out from the accommodating cavity (11), the filter container (2) is provided with a fertilizer accommodating cavity (21), the filter container (2) is also provided with a filter hole (22), and two ends of the filter hole (22) are respectively communicated with the fertilizer accommodating cavity (21) and the external environment; a stirring device (3), wherein the stirring device (3) is used for stirring the solution in the solution bottle (1); -a pen TDS meter (4), the pen TDS meter (4) being for insertion into the solution bottle (1) to detect a fertilizer dilution in the solution bottle (1).
2. 2. A detection device for detecting the release rate of fertilizers according to claim 1, characterized in that the stirring device (3) is a magnetic stirrer, and the solution bottle (1) is placed on a rotary disc (31) of the magnetic stirrer.
3. 3. A detection device for detecting the release rate of fertilizers according to claim 2, characterized in that the magnetic stirrer has a control system, a temperature control assembly and a timer, the rotary disc (31), the temperature control assembly and the timer being all electrically connected to the control system, the temperature control assembly being capable of electromagnetic heating of the solution bottle (1) to adjust the water temperature in the solution bottle (1).
4. 4. A testing device for testing the release rate of fertilizers according to claim 2, characterized in that said solution bottle (1) is removably placed on said rotary disc (31).
5. 5. The device for detecting the release rate of fertilizers according to claim 1, characterized in that a display screen (41) of the pen TDS meter (4) is connected with an electrode (42) of the pen TDS meter (4) through a wire (43) so that the electrode (42) of the pen TDS meter (4) can extend into the fertilizer accommodation cavity (21).
6. 6. A detection device for detecting the release rate of manure according to claim 1, characterized in that the filter holes (22) are provided in the side wall of the filter vessel (2).
7. 7. A detection device for detecting a fertilizer release rate according to claim 6, characterized in that the filter holes (22) are provided in a plurality, a plurality of the filter holes (22) being distributed at intervals around the circumference of the filter container (2), a plurality of the filter holes (22) being distributed at intervals along the axial direction of the filter container (2).
8. 8. The device for detecting the release rate of the fertilizer according to claim 2, further comprising a bracket (5), wherein the bracket (5) is connected with a stirring rod (6), and the stirring rod (6) stretches into the accommodating cavity (11).
9. 9. A detection device for detecting the release rate of fertilizer according to claim 8, characterized in that the stirring rod (6) is suspended on the support (5) in a liftable manner.
10. 10. The detection device for detecting the release rate of the fertilizer according to claim 1, further comprising a bracket (7), wherein one outer side wall of the bracket (7) is provided with a hanging avoidance groove (71) along the horizontal direction and along the middle part of the bracket (7), the filter container (2) is connected with a handle bar (8), the handle bar (8) is connected with a plurality of hanging bars (9), a plurality of hanging bars (9) are distributed at intervals along the height direction, the handle bar (8) can be placed in the hanging avoidance groove (71), and the hanging bars (9) are used for being abutted to the top of the bracket (7).

Description

Detection device for detecting release rate of fertilizer Technical Field The utility model relates to the technical field of fertilizer detection devices, in particular to a detection device for detecting a fertilizer release rate. Background The slow-release fertilizer is an important innovation of modern agriculture, and can remarkably improve the nutrient utilization rate, reduce the environmental pollution and reduce the agricultural production cost. The core is that the nutrient release rate is regulated to be matched with the growth requirement of crops. Therefore, the accurate determination of the slow release rate of fertilizer nutrients is a key link of research and development and quality control, and directly influences product performance optimization and application effect evaluation. At present, the accumulated nutrient release rate of the slow-release fertilizer is commonly measured by adopting a conductivity method in the industry, and related operations are executed according to the standard of HG/T4215 or GB/T23348. According to the method, the release process of the fertilizer under a specific environment is simulated through a constant-temperature rapid nutrient leaching instrument, and the nutrient leaching amount is indirectly reflected by utilizing the conductivity change. However, the prior art has significant defects in practical application, and the prior art needs to rely on a high-precision constant-temperature leaching instrument and matched detection equipment, so that the purchase and maintenance cost of the instrument are high, and particularly, the prior art forms a technical threshold for small and medium-sized research and development institutions or resource limited areas, thereby restricting the popularization and promotion of the slow-release fertilizer technology. Therefore, there is a need to develop a nutrient slow release rate measuring device with low cost, simple operation and low dependency on the device, so as to break through the bottleneck of the prior art and promote the wide application and industry progress of the slow release fertilizer technology. Disclosure of utility model In order to overcome the defects of the prior art, the utility model aims to provide a detection device for detecting the release rate of fertilizer, which does not need expensive equipment, thereby reducing the determination cost of the release rate of fertilizer. The utility model adopts the following technical scheme: A detection device for detecting a fertilizer release rate, comprising: A solution bottle having a receiving cavity; The filter container can extend into the accommodating cavity and can be taken out from the accommodating cavity, the filter container is provided with a fertilizer accommodating cavity, the filter container is also provided with a filter hole, and two ends of the filter hole are respectively communicated with the fertilizer accommodating cavity and the external environment; The stirring device is used for stirring the solution in the solution bottle; A pen TDS meter for insertion into the solution bottle to detect a fertilizer dilution within the solution bottle. Further, the stirring device is a magnetic stirrer, and the solution bottle is placed on a rotary disc of the magnetic stirrer. Further, the magnetic stirrer is provided with a control system, a temperature control assembly and a timer, wherein the rotary disc, the temperature control assembly and the timer are electrically connected with the control system, and the temperature control assembly can carry out electromagnetic heating on the solution bottle so as to adjust the water temperature in the solution bottle. Further, the solution bottle is detachably placed on the rotary tray. Further, the display screen of the pen-type TDS meter is connected with the electrode of the pen-type TDS meter through a lead, so that the electrode of the pen-type TDS meter can extend into the fertilizer accommodating cavity. Further, the filtering holes are arranged on the side wall of the filtering container. Further, the plurality of filter holes are arranged in a plurality, the plurality of filter holes are distributed at intervals around the circumference of the filter container, and the plurality of filter holes are distributed at intervals along the axial direction of the filter container. Further, the detection device for detecting the release rate of the fertilizer further comprises a support, wherein the support is connected with a stirring rod, and the stirring rod stretches into the accommodating cavity. Further, the stirring rod is suspended on the bracket in a lifting manner. Further, the detection device for detecting the release rate of the fertilizer further comprises a bracket, wherein one outer side wall of the bracket is provided with a hanging avoidance groove along the horizontal direction and along the middle part of the bracket, the filtering container is connected with a handle rod, th