An apparatus for detecting moisture and color quality of raw grains on line

Abstract

The utility model relates to the technical field of grain inspection equipment, and concretely relates to an equipment for on-line detection of moisture and color and luster quality of raw grain, which comprises a sampling receiving hopper, a grain collecting hopper connected below the sampling receiving hopper, a conveying pipeline connected to one side of the grain collecting hopper, a cyclone separator connected to the other end of the conveying pipeline, a negative pressure air pipe connected to the top of the cyclone separator, a discharger connected to the bottom of the cyclone separator, a visible container connected to the bottom of the discharger, an on-line near-infrared moisture meter and a visual imaging mechanism arranged on one side of the visible container, and the on-line near-infrared moisture meter and the visual imaging mechanism are electrically connected to an operating system. The sampling receiving hopper is installed below the steel grating of the grain unloading pit, can directly take samples in real time during the grain unloading process, can obtain grain samples at various positions in the carriage, and can automatically convey the samples, detect the moisture and appearance quality of the grain through the on-line near-infrared moisture meter and the visual imaging mechanism.

Description

Technical Field

[0001] This utility model relates to the technical field of grain inspection equipment, specifically an online device for detecting the moisture content and color quality of raw grains. Background Technology

[0002] Grain purchasing companies need to inspect the quality of raw materials during the grain purchasing process. Currently, this is mainly done through sampling and testing. The samples are then tested to calculate the discount index for settlement. Generally, the sample weight for each truck is about 20 kilograms, and the sample is then reduced to about 700 grams of raw grain for quality testing.

[0003] Sampling is primarily done using sampling equipment. Typically, about 8-12 samples of raw grain are randomly taken from each truck and then mixed together to form the sample to be tested. A major problem with this process is that if the quality of one or more samples is lower than the others, it indicates that the quality of the raw grain near that sample is also significantly lower than that of the raw grain in other locations within the truck. However, once the samples are mixed together, the low-quality samples are diluted, making it difficult to detect abnormalities during quality inspection and testing. This could lead to companies accepting inferior grain during the grain collection process, resulting in economic losses. On the other hand, if grain is delivered during the rainy season, water may leak into the grain due to leaks in the tarpaulin on the top of the truck bed. In this case, the rainwater leaking into the truck bed will be stored at the bottom of the truck bed, and it will be difficult to collect the rainwater at the bottom of the truck bed during the sampling process. The rainwater in the truck bed will enter the grain unloading process with the vehicle. If it is not detected in time, the moisture in the truck bed will enter the silo. If the raw grain is damaged due to excessive moisture, it may cause greater economic losses to the company. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a device for online detection of the moisture content and color quality of raw grains.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: An online device for detecting the moisture content and color quality of raw grains includes a sampling hopper, a grain collection hopper connected to the bottom of the sampling hopper, a conveying pipeline connected to one side of the grain collection hopper, a cyclone separator connected to the other end of the conveying pipeline, a negative pressure air duct connected to the top of the cyclone separator, a discharge device connected to the bottom of the cyclone separator, a visual container connected to the bottom of the discharge device, an online near-infrared moisture meter and a visual imaging mechanism installed on one side of the visual container, and the online near-infrared moisture meter and visual imaging mechanism being electrically connected to the operating system.

[0006] The sampling hopper is installed below the steel grating in the grain unloading pit, which can directly take samples in real time during the unloading process. It can obtain grain samples from various locations in the truck bed and automatically transport the samples. The moisture content and appearance quality of the grain are detected by an online near-infrared moisture meter and a visual imaging mechanism.

[0007] The negative pressure duct is connected in sequence to the filter and the negative pressure fan.

[0008] The operating system is electrically connected to the display screen, which is set up outdoors so that external personnel can directly see the test data.

[0009] The unloader is equipped with an iron removal mechanism to remove iron impurities from the grain sample.

[0010] Multiple sampling hoppers are provided and distributed in a radiating manner above the grain collection hopper. The sampling hoppers are inclined so that the grain collected by the sampling hoppers eventually converges into the grain collection hopper. The structure and arrangement of the sampling hoppers facilitate decentralized material collection and prevent the material in the grain collection hopper from coming from a single location in the unloading compartment.

[0011] The top opening of the sampling hopper is equipped with several grid bars to prevent large-volume materials from entering the sampling hopper.

[0012] A sample recovery unit is installed at the bottom of the visual container, and the sample is sent to the sample recovery unit after the sample is tested.

[0013] The visible container is made of a transparent material.

[0014] The beneficial effects achieved by this utility model are: This invention places the sampling hopper at the unloading pit, enabling direct sampling at the unloading site. Compared to traditional sampling methods, this design can collect samples not only from the upper part of the truck bed but also from the lower part, providing a more comprehensive sampling range and more accurately reflecting the overall condition of the grain inside the truck bed.

[0015] Meanwhile, this invention can monitor the moisture content of the raw grain in real time during the unloading process. If an abnormal moisture content is detected, the operating system will quickly issue an alarm on the display screen. Upon receiving the alarm, on-site management personnel can promptly stop unloading, ensuring the timeliness and effectiveness of grain quality control. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2This is a top view of the sampling hopper of this utility model.

[0017] In the diagram: 1. Sampling hopper; 2. Pit steel beam; 3. Grain collection hopper; 4. Conveying pipeline; 5. Cyclone separator; 6. Unloader; 7. Visual container; 8. Online detection mechanism; 9. Sample recovery device; 10. Filter; 11. Negative pressure fan; 12. Operating system; 13. Display screen; 14. Grille bar. Detailed Implementation

[0018] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0019] Example: like Figure 1 , Figure 2 As shown, an online device for detecting the moisture content and color quality of raw grain includes a sampling hopper 1, with a grain collection hopper 3 connected below the sampling hopper 1. Multiple sampling hoppers 1 are arranged in a radial pattern above the grain collection hopper 3. The sampling hoppers 1 are inclined, and the grain collected by the sampling hoppers 1 ultimately flows into the grain collection hopper 3. The sampling hoppers 1 can be directly fixedly installed on the steel beam 2 of the pit, located below the steel grating of the pit.

[0020] The top opening of the sampling hopper 1 is provided with several grid bars 14 to prevent large-volume materials from entering the sampling hopper.

[0021] One side of the grain collecting hopper 3 is connected to a conveying pipe 4, and the other end of the conveying pipe 4 is connected to a cyclone separator 5. The top of the cyclone separator 5 is connected to a negative pressure duct, and the bottom of the cyclone separator 5 is connected to a discharge device 6. The bottom of the discharge device 6 is connected to a visual container 7. An online detection mechanism 8 is installed on one side of the visual container 7. The online detection mechanism 8 includes an online near-infrared moisture meter and a visual imaging mechanism, both of which are electrically connected to the operating system 12. The online near-infrared moisture meter is used to detect the moisture content of the grain, and the visual imaging mechanism is used to obtain a visual image of the test sample. The operating system 12 can accurately assess the color and quality of the raw grain. An industrial camera can be used for the visual imaging mechanism.

[0022] Cyclone separator 5 is used to transport the acquired material samples to the visible container 7 in real time, enabling online detection of the material samples and avoiding untimely inspection caused by excessively long waiting time for material inspection.

[0023] The negative pressure duct is connected in sequence to the filter 10 and the negative pressure fan 11. The negative pressure fan 11 generates negative pressure suction force, and the filter 10 is used to filter impurities.

[0024] The operating system 12 is electrically connected to the display screen 13, which is located outdoors for easy viewing of the detection data by external personnel. This invention can monitor the moisture content of raw grain in real time during unloading. Typically, each grain transport vehicle takes about ten minutes to unload. This device can continuously sample and monitor the moisture content of the raw grain in real time during unloading. If an abnormal moisture content is detected, the operating system 12 can quickly issue an alarm via the display screen 13. Upon receiving the alarm, on-site management personnel can immediately stop unloading. This device may also interface with the unloading equipment to ensure immediate cessation of unloading upon alarm activation.

[0025] The unloader 6 is equipped with an iron removal mechanism, which can remove iron impurities from the grain sample.

[0026] The lower part of the visible container 7 is equipped with a sample recovery device 9. A switch valve can be installed at the bottom of the visible container 7. After the sample is tested, the switch valve is opened, allowing the grain to fall into the sample recovery device 9, and then it can be sent into the unloading pit.

[0027] The visible container 7 is made of materials such as transparent glass or plastic.

Claims

1. A device for online detection of moisture content and color quality of raw grains, characterized in that, It includes a sampling hopper (1), a grain collection hopper (3) connected to the bottom of the sampling hopper (1), a conveying pipeline (4) connected to one side of the grain collection hopper (3), a cyclone separator (5) connected to the other end of the conveying pipeline (4), a negative pressure air pipe connected to the top of the cyclone separator (5), a discharge device (6) connected to the bottom of the cyclone separator (5), a visual container (7) connected to the bottom of the discharge device (6), an online near-infrared moisture meter and a visual imaging mechanism set on one side of the visual container (7), and the online near-infrared moisture meter and the visual imaging mechanism are electrically connected to the operating system (12).

2. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, The negative pressure duct is connected in sequence to the filter (10) and the negative pressure fan (11).

3. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, The operating system (12) is electrically connected to the display screen (13).

4. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, The unloader (6) is equipped with an iron removal mechanism.

5. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, Multiple sampling hoppers (1) are provided and are distributed in a radiating manner above the grain collection hopper (3). The sampling hoppers (1) are set at an angle.

6. The equipment for online detection of moisture content and color quality of raw grains according to claim 1 or 5, characterized in that, The top opening of the sampling hopper (1) is provided with several grid bars (14).

7. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, A sample recovery unit (9) is provided at the bottom of the visible container (7).

8. The equipment for online detection of moisture content and color quality of raw grains according to claim 1, characterized in that, The visible container (7) is made of transparent material.

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