Sample separating device for granular compound fertilizer caking detection

Abstract

The utility model discloses a sample separating device for granular compound fertilizer caking detection, and relates to the technical field of compound fertilizer sample separating detection. The granular compound fertilizer is uniformly divided into a plurality of equal samples as detection samples, reinspection samples and a storage quality inspection mechanism through the sample divider in the sample dividing barrel, and compared with an existing mode of dividing the compound fertilizer through a quartering method, the compound fertilizer sample dividing device is faster in sample dividing, more labor-saving and higher in efficiency; the device for screening the granular compound fertilizer is mounted at the bottom of the sample separation device, so that the granular compound fertilizer can be directly subjected to caking screening after being subjected to sample separation, and whether detection is qualified or not is determined according to the weight proportion of the blocky fertilizer after screening. According to the utility model, continuous sample separation and detection can be realized, and the detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer sampling detection, in particular to a sampling device for detecting agglomeration of granular compound fertilizer. Background Art

[0002] As an important agricultural production material, chemical fertilizer plays a very important role in the growth of crops. It not only provides various chemical elements and chemical nutrients required for crop growth, to a large extent ensures the internal growth conditions of crops, greatly improves the yield of crops, but also has a very important impact on improving the quality of crops. As an important member of chemical fertilizers, compound fertilizer plays a vital role in the modern agricultural production process and is an indispensable important production material.

[0003] Granular compound fertilizer caking refers to the clumping of fertilizer during storage and transportation. Fertilizer caking is caused by crystal connections between particles. Compound fertilizer caking will affect the use effect. Therefore, granular compound fertilizer needs to be tested for caking before leaving the factory. At present, the commonly used agglomeration detection method is to put the randomly inspected fertilizer into a sieve for screening, and determine the agglomeration rate based on the proportion of the weight of the lumpy fertilizer to the total weight. The fertilizer needs to be sampled before screening. After searching, patent authorization announcement number CN 218003042U discloses a compound fertilizer sampling detection device, which records that "motor two is turned on, driving rotating rod two to rotate, thereby causing the stirring rod to rotate, so that the falling compound fertilizer can be evenly stirred, so that the sampled compound fertilizer can be uniform and consistent, making the detection result more reliable." However, the stirring of the existing sampling device will cause some agglomerated fertilizer to break, resulting in inaccurate agglomeration detection results. Utility Model Content

[0004] The purpose of the utility model is to provide a sampling device for detecting agglomeration of granular compound fertilizers, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A sampling device for detecting lumps of granular compound fertilizer comprises a support plate, legs and a sampling cylinder, wherein four legs are installed at the bottom of the support plate, a sampling cylinder is installed in the middle of the support plate, an agglomeration screening mechanism is provided directly below the sampling cylinder, a sample divider is installed in the sampling cylinder, a support rod is installed on the upper part of the sampling cylinder, a collecting hopper is installed on the support rod, and a vibration motor is installed at the bottom of the agglomeration screening mechanism.

[0007] As a further solution of the present invention: the agglomeration screening mechanism includes a disc body, a screen and spring legs, the screen is installed in the disc body, the spring legs are installed at the four corners of the bottom of the disc body, and the bottom ends of the spring legs are installed on the legs.

[0008] As a further solution of the present invention: the bottom surface of the disk body and the screen are inclined in opposite directions respectively, and the upper discharge disk and the lower discharge disk are respectively installed at both ends of the disk body, the upper discharge disk is connected to the lower end of the screen, and the lower discharge disk is connected to the lower end of the bottom surface of the disk body.

[0009] As a further solution of the present invention: the sample divider includes a conical cover and a partition plate, the conical cover is arranged in the middle of the sample dividing cylinder, and the partition plates are installed between the conical cover and the sample dividing cylinder, and there are four partition plates, which divide the sample dividing cylinder into four independent sample chambers.

[0010] As a further solution of the present invention: four discharge pipes are installed at the bottom of the sample dividing cylinder, the four discharge pipes are connected to four sample cavities respectively, and discharge valves are installed on the discharge pipes.

[0011] As a further solution of the present invention: the top end surface of the conical cover is a spherical surface, and the bottom port of the collecting hopper is directly opposite to the top end of the conical cover.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is provided with a collecting hopper, a sampling cylinder and a sample divider. The collecting hopper guides the sampled granular compound fertilizer downward in a centralized manner. The sample divider in the sampling cylinder evenly divides the granular compound fertilizer into multiple equal samples as test samples, re-inspection samples and storage for quality inspection institutions. Compared with the existing four-part method for sampling compound fertilizer, the utility model is faster, more labor-saving and more efficient in sampling.

[0014] 2. The utility model installs a device for screening granular compound fertilizer at the bottom of the sampling device, so that the granular compound fertilizer can be directly screened for agglomerates after sampling. After screening, whether the test is qualified is determined according to the proportion of the weight of the lumpy fertilizer. Compared with the existing sampling device that can only perform sampling, the utility model can realize continuous sampling and testing, and the detection efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a sampling device for detecting agglomeration of granular compound fertilizer.

[0016] Figure 2 A partial cross-sectional view of a sampling device for detecting agglomeration of granular compound fertilizers.

[0017] Figure 3 A sampling device for detecting agglomeration of granular compound fertilizers Figure 1 Top view of the sample divider and sample cylinder.

[0018] 1. Support plate; 2. Support legs; 3. Agglomeration screening mechanism; 301. Plate; 302. Screen; 303. Spring support legs; 4. Sample dividing cylinder; 5. Sample divider; 501. Conical cover; 502. Partition plate; 6. Support rod; 7. Collecting hopper; 8. Discharge pipe; 9. Discharge valve; 10. Vibration motor; 11. Upper discharge tray; 12. Lower discharge tray. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 In the embodiment of the present invention, a sampling device for detecting agglomeration of granular compound fertilizer is provided, comprising a support plate 1, a support leg 2 and a sampling cylinder 4. Four support legs 2 are installed at the bottom of the support plate 1, a sampling cylinder 4 is installed in the middle of the support plate 1, a sample divider 5 is installed in the sampling cylinder 4, a support rod 6 is installed on the upper part of the sampling cylinder 4, a collecting hopper 7 is installed on the support rod 6, the sample divider 5 comprises a conical cover 501 and a partition plate 502, the conical cover 501 is arranged in the middle of the sampling cylinder 4, the partition plates 502 are all installed between the conical cover 501 and the sampling cylinder 4, and there are four partition plates 502, which divide the sampling cylinder 4 The interior is divided into four independent sample chambers. Four discharge pipes 8 are installed at the bottom of the sample dividing cylinder 4. The four discharge pipes 8 are connected to the four sample chambers respectively. A discharge valve 9 is installed on the discharge pipe 8. The top surface of the conical cover 501 is a spherical surface. This design can prevent the agglomerated fertilizer from being hit by the top of the conical cover 501 and broken, thereby avoiding affecting the test results. The bottom port of the collecting hopper 7 is facing the top of the conical cover 501. This design can evenly distribute the fertilizer in the collecting hopper 7 to the four sample chambers. Compared with the existing four-division method for sampling compound fertilizer, the sampling of the utility model is faster, more labor-saving and more efficient.

[0021] See also Figure 1-2302 and the bottom of the hopper 304 are provided with a plurality of rollers 306, 307 and a plurality of rollers 308. The rollers 306 are provided with rollers 309, 310 and 311, respectively.

[0022] The working principle of this utility model is:

[0023] During use, first pour the sampled granular compound fertilizer into the collecting hopper 7, and the granular compound fertilizer falls downward onto the sample divider 5 through the collecting hopper 7, and is evenly divided into four parts by the sample divider 5 and stored in four different sample cavities in the sample dividing cylinder 4. Then the personnel randomly selects the samples in one sample cavity or two symmetrically arranged sample cavities as the test samples and discharges them into the agglomeration screening mechanism 3 through the discharge valve 9 on the discharge pipe 8. Then turn on the vibration motor 10, and screen the agglomerates in the sample through the screen 302. Agglomerates larger than the screen holes are discharged through the upper discharge tray 11, and qualified granular compound fertilizer falls to the bottom of the screen 302 and is discharged from the lower discharge tray 12. Then the personnel weigh the agglomerate weight and the qualified granular compound fertilizer separately. The proportion of the agglomerate weight to the total weight is the measured agglomeration rate, and the remaining samples are discharged through other special discharge pipes 8 as re-inspection samples and samples for inspection.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sampling device for detecting lumps in granular compound fertilizer, comprising a support plate (1), legs (2) and a sampling cylinder (4), characterized in that: Four legs (2) are installed at the bottom of the support plate (1), a sample dividing cylinder (4) is installed in the middle of the support plate (1), an agglomeration screening mechanism (3) is arranged directly below the sample dividing cylinder (4), a sample divider (5) is installed in the sample dividing cylinder (4), a support rod (6) is installed on the upper part of the sample dividing cylinder (4), a collecting hopper (7) is installed on the support rod (6), a vibration motor (10) is installed at the bottom of the agglomeration screening mechanism (3), the agglomeration screening mechanism (3) comprises a disc (301), a screen (302) and spring legs (303), a screen (302) is installed in the disc (301), spring legs (303) are installed at the four corners of the bottom of the disc (301), and the bottom ends of the spring legs (303) are installed at the bottom of the disc (301). On the legs (2), the bottom surface of the disc body (301) and the screen (302) are tilted in opposite directions respectively. An upper discharge disc (11) and a lower discharge disc (12) are respectively installed at both ends of the disc body (301). The upper discharge disc (11) is connected to the lower end of the screen (302), and the lower discharge disc (12) is connected to the lower end of the bottom surface of the disc body (301). The sample divider (5) includes a conical cover (501) and a partition plate (502). The conical cover (501) is arranged in the middle of the sample dividing cylinder (4). The partition plates (502) are evenly installed between the conical cover (501) and the sample dividing cylinder (4). There are four partition plates (502). The four partition plates (502) divide the sample dividing cylinder (4) into four independent sample chambers.

2. A sampling device for detecting agglomeration of granular compound fertilizer according to claim 1, characterized in that: Four discharge pipes (8) are installed at the bottom of the sample separation cylinder (4), and the four discharge pipes (8) are respectively connected to the four sample chambers. A discharge valve (9) is installed on the discharge pipe (8).

3. A sampling device for detecting agglomeration of granular compound fertilizer according to claim 1, characterized in that: The top end surface of the conical cover (501) is a spherical surface, and the bottom end of the collecting hopper (7) is directly opposite to the top end of the conical cover (501).

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