Powder and sticky aggregate collecting device after wet screening and grading of soil aggregate

Abstract

The utility model provides a powder and sticky aggregate collecting device after wet screening and grading of soil aggregates, which belongs to the technical field of experimental auxiliary devices and comprises a recycling barrel, a water discharging groove is formed in one side of the lower portion of the recycling barrel; the rotating assembly is arranged on the side edge of the top of the recycling barrel; the lifting assembly is arranged on the rotating assembly; the heating plate is arranged on the lifting assembly and can be driven by the lifting assembly to move up and down in the vertical direction of the recycling barrel; the rotating assembly drives the lifting assembly to rotate and drives the heating plate to rotate into or out of the recycling barrel. The drainage assembly is inserted into the drainage groove and controls the drainage groove to be opened and closed. The device can automatically and quickly dry powder sticky aggregates which are difficult to collect after wet screening and grading so as to facilitate collection.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental auxiliary devices, in particular to a device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates. Background Art

[0002] Soil aggregates are the basic units of soil structure. They are porous media structures of varying sizes formed by the combined action of organic and inorganic soil mineral particles (sand, silt, and clay). They are the basic components of soil. Their content and particle size distribution not only affect crop growth and development, but also have an important impact on soil pore structure, erosion resistance, and soil stability. At the same time, soil aggregates are an important carrier for the formation and transformation of soil organic carbon. By collecting and analyzing soil aggregates of different particle sizes, we can better understand soil structure and function, and provide a scientific basis for improving soil structure and enhancing its function.

[0003] The separation of soil aggregate particles is a key step in exploring their structural characteristics. Dry screening and wet screening methods have been widely used in soil aggregate separation. The wet screening method for preparing soil aggregates can better reflect the turnover of soil aggregates and the dynamic changes of organic carbon. The traditional wet screening of soil aggregates uses a soil wet screener to place a set of sieves with different apertures in a sedimentation cylinder filled with an appropriate amount of water, and achieves the purpose of screening by vibrating up and down at a fixed frequency. However, the powdery and sticky aggregates after wet screening are difficult to collect because of their small particle size and are dispersed in water. The conventional collection method is to collect the soil turbid liquid into multiple beakers and let it stand. After sufficient sedimentation, the supernatant is filtered out and dried for later use. However, the entire collection process is inefficient, time-consuming, and has high labor costs. There is an urgent need for a device that can quickly collect powdery and sticky aggregates after wet screening of soil. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a device for collecting sticky aggregates after wet screening and classification of soil aggregates. The device can automatically and quickly dry the sticky aggregates that are difficult to collect after wet screening and classification for easy collection.

[0005] The utility model provides the following technical solutions:

[0006] A device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates, comprising:

[0007] A recovery cylinder, a drainage groove is provided on one side of the lower part;

[0008] A rotating assembly is arranged on the side edge of the top of the recovery cylinder;

[0009] A lifting assembly, arranged on the rotating assembly;

[0010] The heating plate is arranged on the lifting assembly and is driven by the lifting assembly to move along the length direction of the recovery cylinder; the rotating assembly drives the lifting assembly to rotate, driving the heating plate to rotate inside or outside the recovery cylinder;

[0011] The drainage component is inserted in the drainage groove to control the opening and closing of the drainage groove.

[0012] Preferably, the rotating assembly comprises:

[0013] A frame plate, fixedly arranged on the side of the top of the recovery cylinder;

[0014] A fixed plate, supported above the frame plate by a plurality of the support rods;

[0015] A steering motor, fixedly arranged at the bottom of the fixing plate, and an output shaft thereof passes through the fixing plate;

[0016] A rotating plate has one end fixedly connected to the end of the output shaft of the steering motor.

[0017] Preferably, the lifting assembly comprises:

[0018] A driving gear rotatably disposed on the top of the other end of the rotating plate;

[0019] A lifting motor is fixedly arranged at the bottom of the rotating plate, and its output shaft passes through the rotating plate and is drivingly connected to the driving gear;

[0020] A driven gear, rotatably disposed on the top of the other end of the rotating plate and meshing with the driving gear;

[0021] The driving screw passes through the driven gear and the rotating plate in sequence; the driving screw is threadedly matched with the driven gear and slidingly matched with the rotating plate; one end of the driving screw is fixedly connected to the top of the heating plate.

[0022] Preferably, an end plate is fixedly provided on the other end of the driving screw.

[0023] Preferably, a limiting rod is provided on the top of the heating plate, and a limiting groove cooperating with the limiting rod is provided on the bottom of the rotating plate; when the limiting rod rises to a certain height with the heating plate, it enters the limiting groove and detaches from the recovery cylinder, and the rotating assembly drives the heating plate to rotate outside the cylinder.

[0024] Preferably, the heating plate is a metal plate with a heating wire spirally arranged inside; the heating plate is provided with a plurality of exhaust slots for discharging water vapor.

[0025] Preferably, the drainage assembly comprises:

[0026] A movable arc plate is inserted in the drainage trough;

[0027] Two sealing strips are arc-shaped and have the same curvature as the drainage groove, and are fixedly arranged on the top and bottom of the movable arc plate respectively; when the movable arc plate moves to a certain depth, the two sealing strips respectively seal the gaps between the movable arc plate and the groove top and groove bottom of the drainage groove.

[0028] Preferably, it also includes a wastewater collection component; the wastewater collection component includes:

[0029] A drainage box is fixedly arranged on the outside of the recovery cylinder and surrounds the movable arc plate; a drainage hole is opened at the bottom of the drainage box and is connected to a drainage pipe;

[0030] A return spring, two ends of which are respectively connected to the arc top of the movable arc plate and the inner side wall of the drainage box opposite to the movable arc plate;

[0031] An iron block is fixedly arranged on the arc top of the movable arc plate; the reset spring is sleeved on the outer side of the iron block;

[0032] The electromagnet is fixedly arranged on the inner wall of the drainage box opposite to the movable arc plate; the reset spring is sleeved on the outer side of the electromagnet; when the electromagnet is energized, it absorbs the iron block, drives the movable arc plate to move, and opens the drainage groove.

[0033] Beneficial effects of the utility model:

[0034] The utility model proposes a device for collecting powdery sticky aggregates after wet screening and classification of soil aggregates. After standing and stratifying and draining, the device continuously reduces the distance with the remaining liquid surface through a moving heating plate, reduces the heating space, and quickly heats up to evaporate the water contained in the powdery sticky aggregates to obtain dry powdery sticky aggregates, which are collected uniformly. The heating plate provided in the device includes two modes, lifting and rotating. After the heating plate is rotated outside the cylinder, it is convenient to pour the mixed liquid after wet screening and classification into the recovery cylinder before collection, and it is also convenient to further pour out and collect the dried powdery sticky aggregates. The device can fully automatically realize the drying and collection of powdery sticky aggregates by setting the lifting time. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is an overall assembly diagram of a device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to an embodiment of the utility model;

[0036] Figure 2 It is a three-dimensional diagram of the internal structure of the device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to an embodiment of the utility model;

[0037] Figure 3It is a partial structural diagram A of the device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to an embodiment of the utility model;

[0038] Figure 4 It is a top view of the device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to an embodiment of the utility model;

[0039] Figure 5 It is a stereoscopic diagram of the internal structure of the device for collecting sticky aggregates after wet screening and classification of soil aggregates in another state according to an embodiment of the utility model.

[0040] In the figure, 1. recovery cylinder; 2. driven gear; 3. end plate; 4. driving gear; 5. rotating plate; 6. fixed plate; 7. frame plate; 8. driving screw; 9. sealing strip; 10. moving arc plate; 11. drain box; 12. drain pipe; 13. heating plate; 14. limit rod; 15. steering motor; 16. support rod; 17. iron block; 18. reset spring; 19. electromagnet. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0044] Example 1

[0045] Conventional soil aggregates are collected by oscillating and screening a soil sieve in water, and soil aggregates of different particle sizes are separated through soil sieves of different apertures. The general classification of soil aggregates includes: soil aggregates > 2 mm are classified as macroaggregates, and soil aggregates < 0.25 mm are classified as microaggregates. According to the classified soil macroaggregates and soil microaggregates, they can be further divided into two categories: macroaggregates > 2 mm and 0.25-2 mm and medium aggregates, and microaggregates are divided into two categories: microaggregates of 0.25-0.053 mm and < 0.053 mm and powdery aggregates.

[0046] However, after screening in water, most of the powdery sticky aggregates are dispersed in the water. Since the diameter of the powdery sticky aggregates is less than 0.053 mm, it is difficult to collect them dispersed in water. There is an urgent need for a rapid collection device for the powdery sticky aggregates after wet screening and grading of soil. In addition, high-temperature drying will destroy the original microorganisms and enzyme activity of the soil, so the drying temperature cannot exceed 40°C. Since the bottom layer heating directly heats the powdery sticky aggregate mixed liquid, the bottom layer heating evaporation method will destroy the microorganisms and enzyme activity of the powdery sticky aggregates. To this end, this embodiment proposes a powdery sticky aggregate collection device after wet screening and grading of soil aggregates, which is processed by slowly heating and evaporating the top surface, and the rapid evaporation of the liquid on the surface of the powdery sticky aggregate mixed liquid is achieved by heating the upper air, such as Figure 1-Figure 5 As shown, it includes a recovery drum 1, a rotating assembly, a lifting assembly, a heating plate 13 and a drainage assembly.

[0047] like Figure 1 and Figure 2 As shown, Figure 1 This is the overall assembly drawing. Figure 2 The figure is a three-dimensional diagram of the internal structure. A drainage groove is provided on one side of the lower part of the recovery drum 1 for initial static stratification drainage. In order to facilitate the control of drainage time, the present embodiment adopts a drainage component to control the opening and closing of the drainage groove. Figure 4 As shown, the drainage assembly is inserted in the drainage trough, including a movable arc plate 10 and two sealing strips. The movable arc plate 10 is inserted in the drainage trough; the two sealing strips are arc-shaped and have the same curvature as the drainage trough, and are fixedly arranged at the top and bottom of the movable arc plate 10 respectively; when the movable arc plate 10 moves to a certain depth, the two sealing strips seal the gaps between the movable arc plate 10 and the top and bottom of the drainage trough respectively. In order to realize the automatic discharge of wastewater and the accurate collection of wastewater, a wastewater collection assembly is also included, such as Figure 1As shown, the wastewater collection assembly includes a drainage box 11, a reset spring 18, an iron block 17 and an electromagnet 19. The drainage box 11 is fixedly arranged on the outside of the recovery barrel 1 and surrounds the movable arc plate 10; a drainage hole is provided at the bottom of the drainage box 11 and is connected to a drain pipe 12; the two ends of the reset spring 18 are respectively connected to the arc top of the movable arc plate 10 and the inner side wall of the drainage box 11 opposite to the movable arc plate 10; the iron block 17 is fixedly arranged on the arc top of the movable arc plate 10; the reset spring 18 is sleeved on the outside of the iron block 17; the electromagnet 19 is fixedly arranged on the inner side wall of the drainage box 11 opposite to the movable arc plate 10; the reset spring 18 is sleeved on the outside of the electromagnet 19; when the electromagnet 19 is energized, it attracts the iron block 17, drives the movable arc plate 10 to move, and opens the drainage groove.

[0048] The rotating component is arranged on the side edge of the top of the recovery cylinder 1; the lifting component is arranged on the rotating component; the heating plate 13 is arranged on the lifting component and is driven by the lifting component to move along the length direction of the recovery cylinder 1; the rotating component drives the lifting component to rotate, driving the heating plate 13 to rotate inside or outside the recovery cylinder 1.

[0049] like Figure 2 and Figure 3 As shown, Figure 3 The structure diagram of partial A shows that the rotating assembly includes a frame plate 7, a fixed plate 6, a steering motor 15 and a rotating plate 5. The frame plate 7 is fixedly arranged on the side of the top of the recycling drum 1; the fixed plate 6 is supported on the top of the frame plate 7 by a plurality of support rods 16; the steering motor 15 is fixedly arranged at the bottom of the fixed plate 6, and its output shaft passes through the fixed plate 6; one end of the rotating plate 5 is fixedly connected to the end of the output shaft of the steering motor 15. When the steering motor 15 is driven, the rotating plate 5 is driven to rotate, and the entire lifting assembly is rotated to rotate the heating plate 13 to the outside of the recycling drum 1.

[0050] like Figure 1 and Figure 3As shown, the lifting assembly includes a driving gear 4, a lifting motor, a driven gear 2 and a driving screw 8. The driving gear 4 is rotatably arranged at the top of the other end of the rotating plate 5; the lifting motor is fixedly arranged at the bottom of the rotating plate 5, and its output shaft passes through the rotating plate 5 and is in transmission connection with the driving gear 4; the driven gear 2 is rotatably arranged at the top of the other end of the rotating plate 5 and meshes with the driving gear 4; the driving screw 8 passes through the driven gear 2 and the rotating plate 5 in sequence; the driving screw 8 is threadedly matched with the driven gear 2 and slidably matched with the rotating plate 5; one end of the driving screw 8 is fixedly connected to the top of the heating plate 13. Among them, the lifting motor drives the driving gear 4 to rotate, driving the driven gear 2 to rotate. Since the heating plate 13 is limited in the cylinder, and the driven gear 2 is threadedly matched with the driving screw 8, the driving screw 8 and the heating plate 13 are driven to rise and fall as a whole, thereby realizing the control of the size of the heating space. Among them, the heating plate 13 is a metal plate, and a heating wire is spirally arranged inside; the heating plate 13 is provided with a plurality of exhaust notches for discharging water vapor. At the same time, the built-in heating wire also avoids leakage.

[0051] In another preferred embodiment, in order to reasonably control the distance between the liquid surface and the heating plate 13, a liquid level sensor or a laser sensor for distance measurement can be provided at the bottom of the heating plate 13. A temperature sensor is provided at the bottom of the heating plate 13 to obtain the temperature of the heating space, and the temperature of the heating space can be further controlled by adjusting the current (or voltage) in the heating wire.

[0052] In addition, in order to prevent the driving screw 8 from slipping, an end plate 3 is fixedly provided at the other end of the driving screw 8 .

[0053] In another preferred embodiment, in order to ensure that the heating plate 13 can be fully raised to the top and will not rotate with the driving screw 8, a limiting rod 14 is provided on the top of the heating plate 13, and a limiting groove cooperating with the limiting rod 14 is provided on the bottom of the rotating plate 5; when the limiting rod 14 rises to a certain height with the heating plate 13, it enters the limiting groove and disengages from the recovery cylinder 1, and the rotating assembly drives the heating plate 13 to rotate outside the cylinder.

[0054] In this embodiment, the control is performed by an external power supply and a single chip microcomputer. The electric heating wire, the steering motor 15 and the lifting motor in the heating plate 13 are powered by an external power supply. The current of the electric heating wire is controlled by the single chip microcomputer to control the temperature; the motor driver is controlled by the single chip microcomputer to drive the steering motor 15 and the lifting motor to rotate forward and reverse, thereby realizing overall control.

[0055] In this embodiment, the device collects powder-sticky aggregates, including the following steps:

[0056] First, by driving the lifting motor, through the gear transmission structure, combined with the transmission structure of the screw nut, the entire heating plate 13 is driven to move upward to the top; the steering motor 15 is driven to drive the rotating plate 5 to rotate and rotate the heating plate 13 out of the tube.

[0057] Next, pour the mixed liquid to be collected into the recovery barrel 1, let it stand for a while, and then drain it through the drain trough after stratification. When the drain trough is draining wastewater, the electromagnet 19 is energized to generate magnetism, which adsorbs the iron block 17. At this time, the movable arc plate 10 moves outward to open the drainage channel and the reset spring 18 is compressed; after the drainage is completed, the electromagnet 19 is de-energized, and the movable arc plate 10 re-enters the drain trough, and the sealing strip 9 further seals it.

[0058] Then, the steering motor 15 is driven to drive the rotating plate 5 to rotate, and the heating plate 13 is transferred into the drum. By driving the lifting motor, the heating plate 13 is driven to rise and fall, and the heating space is adjusted to further improve the drying efficiency.

[0059] Finally, after the drying is completed, the lifting assembly and the rotating assembly are operated again to move the heating plate 13 out of the cylinder, and the dried powder-sticky agglomerates are poured out and collected.

[0060] In this embodiment, after the device is left to drain, the moving heating plate 13 continuously reduces the distance with the remaining liquid surface, reduces the heating space, and quickly heats up to evaporate the water containing the powder and sticky agglomerates, obtain dry powder and sticky agglomerates, and collect them uniformly; the heating plate 13 provided in the device includes two modes of lifting and rotating. After the heating plate 13 is rotated outside the cylinder, it is convenient to pour the mixed liquid after wet screening and classification into the recovery cylinder 1 before collection, and it is also convenient to further pour out and collect the dried powder and sticky agglomerates; the device can fully automatically realize the drying and collection of powder and sticky agglomerates by setting the lifting time.

[0061] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for collecting sticky aggregates after wet screening of soil aggregates, characterized in that: include: A recovery cylinder (1) has a drainage groove on one side of its lower portion; A rotating assembly is arranged on the side edge of the top of the recovery cylinder (1); A lifting assembly, arranged on the rotating assembly; The heating plate (13) is arranged on the lifting assembly and is driven by the lifting assembly to move up and down in the vertical direction of the recovery cylinder (1); the rotating assembly drives the lifting assembly to rotate, thereby driving the heating plate (13) to rotate inside or outside the recovery cylinder (1); The drainage component is inserted in the drainage groove to control the opening and closing of the drainage groove.

2. The device for collecting sticky aggregates after wet screening of soil aggregates according to claim 1, characterized in that: The rotating assembly comprises: A frame plate (7) fixedly arranged on the side surface of the top of the recovery cylinder (1); A fixed plate (6) supported above the frame plate (7) via a plurality of support rods (16); A steering motor (15) is fixedly arranged at the bottom of the fixing plate (6), and an output shaft thereof passes through the fixing plate (6); One end of the rotating plate (5) is fixedly connected to the end of the output shaft of the steering motor (15).

3. The device for collecting sticky aggregates after wet screening of soil aggregates according to claim 2, characterized in that: The lifting assembly comprises: A driving gear (4) rotatably disposed on the top of the other end of the rotating plate (5); A lifting motor, fixedly arranged at the bottom of the rotating plate (5), wherein the output shaft thereof passes through the rotating plate (5) and is drivingly connected to the driving gear (4); A driven gear (2) is rotatably disposed on the top of the other end of the rotating plate (5) and meshes with the driving gear (4); The driving screw (8) passes through the driven gear (2) and the rotating plate (5) in sequence; the driving screw (8) is threadedly engaged with the driven gear (2) and slidingly engaged with the rotating plate (5); one end of the driving screw (8) is fixedly connected to the top of the heating plate (13).

4. The device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to claim 3, characterized in that: An end plate (3) is fixedly disposed on the other end of the driving lead screw (8).

5. The device for collecting sticky aggregates after wet screening of soil aggregates according to claim 3, characterized in that: A limiting rod (14) is arranged on the top of the heating plate (13), and a limiting groove cooperating with the limiting rod (14) is arranged on the bottom of the rotating plate (5); when the limiting rod (14) rises to a certain height along with the heating plate (13), it enters the limiting groove and detaches from the recovery cylinder (1), and the rotating assembly drives the heating plate (13) to rotate outside the cylinder.

6. The device for collecting sticky aggregates after wet screening of soil aggregates according to claim 1, characterized in that: The heating plate (13) is a metal plate with a heating wire spirally arranged inside; the heating plate (13) is provided with a plurality of exhaust slots for discharging water vapor.

7. The device for collecting sticky aggregates after wet screening of soil aggregates according to claim 1, characterized in that: The drainage assembly comprises: A movable arc plate (10) is inserted into the drainage groove; Two sealing strips are arc-shaped and have the same arc as the drainage groove, and are respectively fixedly arranged on the top and bottom of the movable arc plate (10); when the movable arc plate (10) moves to a certain depth, the two sealing strips respectively seal the gaps between the movable arc plate (10) and the groove top and groove bottom of the drainage groove.

8. The device for collecting powdery and sticky aggregates after wet screening and classification of soil aggregates according to claim 7, characterized in that: Also included is a wastewater collection assembly; the wastewater collection assembly includes: A drainage box (11) is fixedly arranged on the outside of the recovery cylinder (1) and surrounds the movable arc plate (10); a drainage hole is provided at the bottom of the drainage box (11) and is connected to a drainage pipe (12); A return spring (18), two ends of which are respectively in contact with the top of the movable arc plate (10) and the inner side wall of the drainage box (11) opposite to the movable arc plate (10); An iron block (17) is fixedly arranged at the top of the arc of the movable arc plate (10); and the return spring (18) is sleeved on the outer side of the iron block (17); The electromagnet (19) is fixedly arranged on the inner side wall of the drainage box (11) opposite to the movable arc plate (10); the return spring (18) is sleeved on the outer side of the electromagnet (19); when the electromagnet (19) is energized, it attracts the iron block (17) and drives the movable arc plate (10) to move, thereby opening the drainage groove.

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