Liquid material sampling and splitting apparatus

Abstract

This invention discloses a liquid material sampling and reduction device. The device includes a support, a storage container, a stirring device, a sampling device, a distributor, and a receiving device. The storage container is mounted on the support and has an openable and closable outlet. The stirring device is rotatably mounted on the support. At least a portion of the sampling device is adapted to extend into the storage container to sample the liquid material within it. The sampling device is movable relative to the storage container. The distributor is rotatably mounted on the support and has multiple dispensing ports. The receiving device is mounted on the support and has multiple receiving ports adapted to receive liquid material from the multiple dispensing ports respectively. The device of this invention can sample and reduce liquid material individually, or sample and reduce liquid material simultaneously. Sampling and / or reduction are accurate and reliable, and operation is relatively simple.

Description

Technical Field

[0001] This invention relates to the field of liquid material production monitoring and quality control technology, and more specifically, to a liquid material sampling and reduction device. Background Technology

[0002] In related technologies, liquid material sampling is accomplished using a sampler, and liquid material reduction is accomplished using a reducer. This process is relatively cumbersome and prone to significant errors. Furthermore, during the sampling process, due to the inconsistent composition and varying sedimentation rates of the liquid material, even if the liquid is initially stirred evenly, denser substances tend to settle more easily during sampling, leading to uneven sampling. Summary of the Invention

[0003] The present invention aims to at least partially solve one of the technical problems in the related art.

[0004] Therefore, the present invention proposes a liquid material sampling and reduction device. This sampling and reduction device can sample and reduce separately, or sample and reduce simultaneously. The sampling and / or reduction are accurate and reliable, and the operation is relatively simple.

[0005] A liquid material sampling and fractionation device according to an embodiment of the present invention includes a support; a storage container disposed on the support and having an openable and closable outlet, the storage container being adapted to hold liquid material; a stirring device rotatably disposed on the support for stirring the liquid material in the storage container; a sampling device at least partially adapted to extend into the storage container to sample the liquid material in the storage container, the sampling device being movable relative to the storage container; a distributor rotatably disposed on the support for receiving liquid material flowing out from the outlet of the storage container, the distributor having a plurality of dispensing ports; and a receiving device disposed on the support and having a plurality of receiving ports, the plurality of receiving ports being adapted to receive liquid material from the plurality of dispensing ports respectively.

[0006] According to an embodiment of the present invention, the liquid material sampling and reduction device, through the cooperation of a stirring device and a sampling device, makes the liquid material in the storage container uniformly stirred, ensuring that the sampling is representative. Through the cooperation of a stirring device and a distributor, the liquid material is uniformly reduced. The sampling and reduction device can sample alone, reduce alone, or sample and reduce simultaneously. The sampling and / or reduction is accurate and reliable, and the operation is relatively simple.

[0007] In some embodiments, the sampling device includes a sampler adapted to extend into the reservoir to sample liquid material within the reservoir; a sample container located outside the reservoir for holding the sample taken by the sampler; a connecting pipe connecting the sampler and the sample container; and a pump located outside the reservoir and connected to the connecting pipe for driving the sampler to introduce the sampled material into the sample container through the connecting pipe.

[0008] In some embodiments, the sampler is movable vertically and horizontally relative to the storage container.

[0009] In some embodiments, the liquid material sampling and reduction device further includes a receiving device, which is disposed on the support and has a plurality of funnels, the plurality of funnels corresponding to a plurality of dispensing ports and a plurality of receiving ports respectively.

[0010] In some embodiments, the liquid material sampling and fractionation device further includes a plurality of conduits connected to the dispenser, and the plurality of conduits are respectively connected to a plurality of dispensing ports and respectively correspond to a plurality of funnels.

[0011] In some embodiments, the liquid material sampling and fractionation device further includes a driving device connected to the stirring device, the sampling device and the distributor, which is used to drive the stirring device to rotate, the sampling device to move and the distributor to rotate, respectively.

[0012] In some embodiments, the liquid material sampling and fractionation device further includes a connecting device, which includes a connector and a fastener. The connector is movably mounted on the support, and the fastener is connected to the connector and the sampling device.

[0013] In some embodiments, the liquid material sampling and fractionation device further includes a control device connected to the drive device to control the drive device to drive the stirring device, the sampling device and the dispenser respectively.

[0014] In some embodiments, the liquid material sampling and fractionation device further includes a valve for opening and closing the outlet of the storage tank.

[0015] In some embodiments, the liquid material sampling and fractionation equipment further includes a feeding device for supplying liquid material into the storage container.

[0016] In some embodiments, the support includes an upper crossbeam, a lower crossbeam, and a connecting beam connecting the upper and lower crossbeams, the storage container is located between the upper and lower crossbeams and connected to the connecting beam, the stirring device is rotatably mounted on the upper crossbeam, the distributor is rotatably mounted on the lower crossbeam, and the material holding device is mounted on the lower crossbeam. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a liquid material sampling and fractionation device according to an embodiment of the present invention.

[0018] Figure label:

[0019] Support 1, upper crossbeam 11, lower crossbeam 13, connecting beam 12, storage tank 2, outlet 21, stirring device 3, stirring paddle 31, sampling device 4, sampler 41, sample container 44, connecting pipe 42, pump 43, distributor 5, distribution port 51, material holding device 6, material holding port 61, liquid material 7, receiving device 8, funnel 81, conduit 9, drive device 10, connecting device 14, connector 141, fastener 142, control device 15, valve 16, feeding device 17, fixing part 18, rotating shaft 19. Detailed Implementation

[0020] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0021] like Figure 1 As shown, the liquid material sampling and reduction device according to an embodiment of the present invention includes a support 1, a storage container 2, a stirring device 3, a sampling device 4, a distributor 5, and a material holding device 6.

[0022] The storage container 2 is mounted on the support 1 and has an openable and closable outlet 21. The storage container 2 is suitable for holding liquid material 7. Figure 1 As shown, the bottom surface of the storage container 2 is a cone shape that protrudes outward, and the outlet 21 is located at the peak of the cone. When the outlet 21 is closed, the liquid material 7 can be stored in the storage container 2; when the outlet 21 is open, the liquid material 7 can flow out of the storage container 2 from the outlet 21.

[0023] A stirring device 3 is rotatably mounted on a support 1 for stirring the liquid material 7 in the storage container 2. At least a portion of a sampling device 4 is adapted to extend into the storage container 2 to sample the liquid material 7 in the storage container 2, and the sampling device 4 is movable relative to the storage container 2.

[0024] Distributor 5 is rotatably mounted on support 1 for receiving liquid material 7 flowing from outlet 21 of reservoir 2. Distributor 5 has multiple dispensing ports 51. Figure 1 As shown, the distributor 5 is located below the outlet 21, and multiple distribution ports 51 are evenly arranged at the bottom of the distributor 5.

[0025] The material receiving device 6 is mounted on the support 1 and has multiple material receiving ports 61, which are adapted to receive liquid material 7 from multiple dispensing ports 51 respectively. Figure 1 As shown, the material holding device 6 is located below the distributor 5, and each material holding port 61 corresponds to one distribution port 51. It is understood that this application is not limited to the correspondence between the number of material holding ports 61 and the number of distribution ports 51.

[0026] According to an embodiment of the present invention, the liquid material sampling and reduction device, through the cooperation of a stirring device and a sampling device, makes the liquid material in the storage container uniformly stirred, ensuring that the sampling is representative. Through the cooperation of a stirring device and a distributor, the liquid material is uniformly reduced. The sampling and reduction device can sample alone, reduce alone, or sample and reduce simultaneously. The sampling and / or reduction is accurate and reliable, and the operation is relatively simple.

[0027] In some embodiments, the sampling device 4 includes a sampler 41, a sample container 44, a connecting pipe 42, and a pump 43. The sampler 41 is adapted to extend into the reservoir 2 and into the liquid material 7 to sample the liquid material 7 within the reservoir 2. The sample container 44 is located outside the reservoir 2 and is used to hold the sample taken by the sampler 41. The connecting pipe 42 connects the sampler 41 and the sample container 44, and the pump 43 is located outside the reservoir 2 and connected to the connecting pipe 42. Figure 1 As shown, the connecting tube 42 is used to connect the sampler 41 and the sample container 44, and a pump 43 is connected in series on the connecting tube 42. When the pump 43 is working, it generates suction in the connecting tube 42 to draw the sample from the sampler 41. The pump 43 drives the sampler 41 to introduce the sampled sample into the sample container 44 through the connecting tube 42.

[0028] In some embodiments, such as Figure 1 As shown, the sampler 41 can move up and down and horizontally relative to the storage container 2, ensuring that the sampler 41 samples more evenly and the sample is more representative.

[0029] In some embodiments, the liquid material sampling and reduction device further includes a receiving device 8, which is disposed on the support 1 and has a plurality of funnels 81, which correspond to a plurality of dispensing ports 51 and a plurality of material holding ports 61 respectively.

[0030] like Figure 1As shown, multiple funnels 81 are evenly arranged. The funnels 81 are located between the distribution port 51 and the receiving port 61 in the vertical direction. Specifically, the number of distribution ports 51, funnels 81, and receiving ports 61 is the same, and the inlet of one funnel 81 is upward-facing, corresponding to one distribution port 51, and the outlet of one funnel 81 is downward-facing, corresponding to one receiving port 61. It is understood that the number of funnels 81 corresponding to the number of distribution ports 51 and the number of receiving ports 61 is not limited to this.

[0031] In some embodiments, the liquid material sampling and dispensing device further includes a plurality of conduits 9, which are connected to the dispenser 5, and are respectively connected to a plurality of dispensing ports 51 and respectively correspond to a plurality of funnels 81. Figure 1 As shown, the number of conduits 9, dispensing ports 51, and funnels 81 is the same, and one end of each conduit 9 is connected to one dispensing port 51, while the other end of each conduit 9 is correspondingly connected to one funnel 81. It is understood that this application is not limited to the correspondence between the number of conduits 9 and the number of dispensing ports 51 and funnels 81.

[0032] In some embodiments, the liquid material sampling and fractionation device further includes a drive unit 10, which is connected to the stirring device 3, the sampling device 4, and the distributor 5. The drive unit 10 is used to drive the stirring device 3 to rotate, the sampling device 4 to move, and the distributor 5 to rotate. Figure 1 As shown, the drive device 10 is mounted on the support 1. The drive device 10 can be configured as one unit, which is simultaneously connected to the stirring device 3, the sampling device 4, and the distributor 5. Alternatively, multiple drive devices 10 can be configured (not shown), which are respectively connected to the stirring device 3, the sampling device 4, and the distributor 5.

[0033] In some embodiments, the liquid material sampling and fractionation device further includes a connecting device 14, which includes a connector 141 and a fastener 142. The connector 141 is movably mounted on the support 1, and the fastener 142 is connected to the connector 141 and the sampling device 4.

[0034] like Figure 1 As shown, a moving track (not shown) is provided on the support 1, and the upper end of the connector 141 is installed in the moving track. The connector 141 can move vertically within the moving track, and can also move in any direction in a horizontal plane perpendicular to the vertical direction. Thus, the sampler 41 can move vertically and horizontally within the storage container 2 through the connecting device 14, ensuring that the sampler 41 collects samples more evenly and that the samples are representative.

[0035] In some embodiments, the liquid material sampling and quartering equipment further includes a control device 15, and the control device 15 is connected to the driving device 10 to control the driving device 10 to drive the stirring device 3, the sampling device 4, and the distributor 5 respectively. As Figure 1 shown, the control device 15 is arranged on the support 1. A plurality of control switches (not shown) are provided on the control device 15. The plurality of control switches are connected to the driving device 10, and the plurality of control switches are respectively used to control the driving device 10 to drive the stirring device 3, the sampling device 4, and the distributor 5.

[0036] In some embodiments, as Figure 1 shown, the liquid material sampling and quartering equipment further includes a valve 16, and the valve 16 is used to open and close the outlet 21 of the storage device 2.

[0037] In some embodiments, as Figure 1 shown, the liquid material sampling and quartering equipment further includes a feeding device 17, and the feeding device 17 is connected to the storage device 2. When the outlet 21 is closed, the feeding device 17 can supply the liquid material 7 into the storage device 2.

[0038] In some embodiments, the support 1 includes an upper cross beam 11, a lower cross beam 13, and a connecting beam 12 connected between the upper cross beam 11 and the lower cross beam 13. The storage device 2 is located between the upper cross beam 11 and the lower cross beam 13 and is connected to the connecting beam 12. The stirring device 3 is rotatably installed on the upper cross beam 11, the distributor 5 is rotatably installed on the lower cross beam 13, and the material receiving device 6 is installed on the lower cross beam 13.

[0039] As Figure 1 shown, the left end of the upper cross beam 11 is connected to the upper end of the connecting beam 12, and the lower end of the connecting beam 12 is connected to the left end of the lower cross beam 13, forming a "C" - shaped structure. The connecting beam 12 is provided with at least one fixing member 18, and the plurality of fixing members 18 are used to connect the storage device 2 and the connecting beam 12.

[0040] The upper end of the stirring device 3 is installed at the bottom of the upper cross beam 11. The stirring device 3 includes a plurality of stirring paddles 31. The driving device 10 drives the stirring paddles 31 to rotate, and at the same time, the driving device 10 can also drive the stirring device 3 to move up and down, so that the liquid material 7 inside the storage device 2 is fully stirred.

[0041] A rotating shaft 19 is provided on the lower cross beam 13. The upper end of the rotating shaft 19 is connected to the center of the bottom of the distributor 5. The rotating shaft 19 drives the distributor 5 to rotate relative to the central axis of the distributor 5, so that the liquid material 7 in the distributor 5 is evenly distributed into the funnel 81, ensuring the uniform quartering of the liquid material 7.

[0042] A fixed shaft (not shown) is provided on the lower crossbeam 13, and the material receiving device 8 is arranged on this fixed shaft. The material holding device 6 is installed on the upper surface of the lower crossbeam 13, and the material holding device 6 is located below the material receiving device 8.

[0043] The following refers to Figure 1 Describe the liquid material sampling and reduction equipment according to some specific examples of the present invention. The equipment includes a support 1, a storage device 2, a stirring device 3, a sampling device 4, a distributor 5, a material holding device 6, a material receiving device 8, a plurality of conduits 9, a driving device 10, a connecting device 14, a control device 15, and a feeding device 17.

[0044] The support 1 has a "C" - shaped structure and includes an upper crossbeam 11, a lower crossbeam 13, and a connecting beam 12. The left end of the upper crossbeam 11 is connected to the upper end of the connecting beam 12, and the lower end of the connecting beam 12 is connected to the left end of the lower crossbeam 13.

[0045] At least one fixing member 18 is provided on the connecting beam 12, and the other end of at least one fixing member 18 is connected to the storage device 2. The storage device 2 is suspended between the upper crossbeam 11 and the lower crossbeam 13 through the fixing member 18. The bottom surface of the storage device 2 is a conical shape protruding outward, and the outlet 21 is provided at the peak of the cone. When the outlet 21 is closed, the liquid material 7 can be stored in the storage device 2; when the outlet 21 is opened, the liquid material 7 can flow out of the storage device 2 from the outlet 21. A valve 16 is also provided on the outlet 21, and the valve 16 is used to open and close the outlet 21.

[0046] The feeding device 17 is connected to the storage device 2, and when the outlet 21 is closed, the feeding device 17 can supply the liquid material 7 into the storage device 2.

[0047] The driving device 10 is connected to the stirring device 3, the sampling device 4, and the distributor 5. The driving device 10 is used to drive the stirring device 3 to rotate, the sampling device 4 to move, and the distributor 5 to rotate.

[0048] The control device 15 is arranged on the connecting beam 12. A plurality of control switches (not shown) are provided on the control device 15. The plurality of control switches are connected to the driving device 10, and the plurality of control switches are respectively used to control the driving device 10 to drive the stirring device 3, the sampling device 4, and the distributor 5.

[0049] The upper end of the stirring device 3 is installed at the bottom of the upper crossbeam 11. The stirring device 3 includes a plurality of stirring paddles 31. The driving device 10 drives the stirring paddles 31 to rotate, and at the same time, the driving device 10 can also drive the stirring device 3 to move up and down, so that the liquid material 7 inside the storage device 2 is fully stirred.

[0050] The sampling device 4 includes a sampler 41, a sample container 44, a connecting pipe 42, and a pump 43. The sampler 41 is adapted to extend into the storage container 2 and into the liquid material 7. The sample container 44 is located outside the storage container 2. The connecting pipe 42 connects the sampler 41 and the sample container 44. The pump 43 is located outside the storage container 2 and is connected to the connecting pipe 42.

[0051] The distributor 5 is located below the outlet 21. The distributor 5 is mounted on the lower crossbeam 13 via a rotating shaft 19. The rotating shaft 19 drives the distributor 5 to rotate. Multiple distribution ports 51 are evenly distributed at the bottom of the distributor 5.

[0052] A fixed shaft (not shown) is provided on the lower crossbeam 13, the receiving device 8 is provided on the fixed shaft, and the holding device 6 is installed on the upper surface of the lower crossbeam 13, and the holding device 6 is located below the receiving device 8.

[0053] The receiving device 8 includes multiple funnels 81, which are evenly arranged. The funnels 81 are located between the distribution port 51 and the receiving port 61 in the vertical direction. Specifically, the number of distribution ports 51, funnels 81 and receiving ports 61 are the same, and the inlet of one funnel 81 is arranged upwards corresponding to one distribution port 51, and the outlet of one funnel 81 is arranged downwards corresponding to one receiving port 61.

[0054] Multiple conduits 9 are connected to multiple distribution ports 51 and are respectively connected to multiple funnels 81. The outlet of each funnel 81 is set downward and corresponds to a material holding port 61.

[0055] The connecting device 14 includes a connector 141 and a fastener 142. The support 1 is provided with a moving rail (not shown). The upper end of the connector 141 is installed in the moving rail. The connector 141 can move in the vertical direction within the moving rail, or it can move in any direction in a horizontal plane perpendicular to the vertical direction.

[0056] The following is for reference. Figure 1 The specific implementation process of the liquid material sampling and reduction device according to an embodiment of the present invention is as follows:

[0057] (1) The liquid material 7 is fed into the storage tank 2 from the feeding device 17, and the drive device 10 is turned on by the control device 15, thereby driving the stirring device 3, and the stirring device 3 is adjusted to a suitable position to stir the liquid material 7.

[0058] (2) The stirring device 3 stirs the liquid material 7 for a certain period of time to make it uniform. At this time, the sampling device 4 is turned on. The sampling device 4 can move in the liquid material 7 in the vertical and horizontal directions. At the same time, the pump 43 is started to take samples to ensure that the samples are uniform.

[0059] (3) After sampling, open valve 16 at outlet 21 of storage tank 2 so that the uniformly stirred liquid material 7 enters distributor 5 from storage tank 2 through valve 16 and outlet 21. At the same time, control device 15 controls drive device 10 to start, thereby driving distributor 5 so that distributor 5 rotates at a uniform speed, ensuring that liquid material 7 in distributor 5 does not precipitate.

[0060] (4) The distributor 5 has multiple distribution ports 51 at its bottom, each of which is connected to a conduit 9. The outlet end of each conduit 9 corresponds to the inlet end of a funnel 81, and the outlet end of each funnel 81 corresponds to a collection port 61, thus forming a flow route for the liquid material 7 from the distributor 5 to the collection port 61. The distributor 5 rotates at a constant speed during the liquid separation process, and the funnels 81 are devices of equal volume, thereby ensuring that the liquid material 7 is uniformly and equally distributed.

[0061] (5) In some specific embodiments, there are 12 funnels 81, which can divide the liquid material 7 into 2, 3, 4, 6, or 12 portions. If the liquid material 7 is continuously fed, a hose can be connected to the outlet end of the funnel 81 and connected to other devices to ensure continuous dividing operations. If the liquid material 7 is not continuously fed, it is not necessary to connect a hose to the outlet end of the funnel 81; it is sufficient to feed the liquid material 7 into the feeding port 61.

[0062] (6) If the liquid material 7 is continuously fed and continuous sampling and reduction of the liquid material 7 are required, then sampling can be continuously carried out in (2) and reduction can be continuously carried out in (4).

[0063] (7) If only sampling of liquid material 7 is to be performed, simply close valve 16. If only reduction of liquid material 7 is to be performed, close sampling device 4 and remove sampler 41 from liquid material 7.

[0064] According to an embodiment of the present invention, the liquid material sampling and reduction device, through the cooperation of a stirring device and a sampling device, makes the liquid material in the storage container uniformly stirred, ensuring that the sampling is representative. Through the cooperation of a stirring device and a distributor, the liquid material is uniformly reduced. The sampling and reduction device can sample alone, reduce alone, or sample and reduce simultaneously. The sampling and / or reduction is accurate and reliable, and the operation is relatively simple.

[0065] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0066] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0067] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0068] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0069] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0070] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A liquid material sampling and reduction device, characterized in that, include: Support; A storage container, which is mounted on the support and has an openable and closable outlet, is suitable for holding liquid materials. A stirring device, rotatably mounted on the support, is used to stir the liquid material in the storage container; A sampling device, at least a portion of which is adapted to extend into the reservoir to sample liquid material within the reservoir, the sampling device being movable relative to the reservoir; A distributor, rotatably mounted on the support for receiving liquid material flowing out from the outlet of the reservoir, the distributor having multiple dispensing ports, the distributor rotating at a constant speed during the liquid dispensing process; A material receiving device is provided on the support and has multiple material receiving ports, the multiple material receiving ports being adapted to receive liquid material from the multiple dispensing ports respectively; A receiving device is provided on the support and has multiple funnels, each funnel corresponding to a multiple distribution port and a multiple material holding port respectively; Multiple catheters are connected to the dispenser, and each of the multiple catheters is respectively connected to a multiple dispensing port and corresponds to a multiple of the funnels; The multiple funnels are of the same size; It also includes a connecting device, which includes a connector and a fastener. The connector is movably mounted on the support, and the fastener is connected to the connector and the sampling device. It also includes a control device connected to the drive device to control the drive device to drive the stirring device, the sampling device and the dispenser respectively.

2. The liquid material sampling and reduction device according to claim 1, characterized in that, The sampling device includes: A sampler adapted to extend into the reservoir to sample the liquid material within the reservoir; A sample container, located outside the storage container, is used to hold the sample taken by the sampler; A connecting tube that connects the sampler and the sample container; A pump, located outside the storage tank and connected to the connecting pipe, is used to drive the sampler to introduce the sampled sample into the sample container through the connecting pipe.

3. The liquid material sampling and reduction device according to claim 2, characterized in that, The sampler can move vertically and horizontally relative to the storage container.

4. The liquid material sampling and reduction device according to claim 1, characterized in that, It also includes a driving device, which is connected to the stirring device, the sampling device and the dispenser, and is used to drive the stirring device to rotate, the sampling device to move and the dispenser to rotate, respectively.

5. The liquid material sampling and reduction device according to any one of claims 1-4, characterized in that, It also includes valves for opening and closing the outlet of the reservoir.

6. The liquid material sampling and reduction device according to any one of claims 1-4, characterized in that, It also includes a feeding device for supplying liquid material into the storage container.

7. The liquid material sampling and fractionation device according to any one of claims 1-4, characterized in that, The support includes an upper crossbeam, a lower crossbeam, and a connecting beam connecting the upper and lower crossbeams. The storage container is located between the upper and lower crossbeams and connected to the connecting beam. The stirring device is rotatably mounted on the upper crossbeam, the distributor is rotatably mounted on the lower crossbeam, and the material holding device is mounted on the lower crossbeam.

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