A double helix feed bin

Abstract

The utility model discloses a double helix conveying feed bin, it includes the first, second helical conveying mechanism of symmetrical arrangement, first helical conveying mechanism and second helical conveying mechanism are all obliquely installed on corresponding support frame, and two institutions pass through the connecting sleeve pipe of sealing washer coaxial butt joint, first helical conveying mechanism and second helical conveying mechanism all contain conveying cylinder, and the helical conveying assembly of conveying from below to above to material is installed in conveying cylinder, and U -shaped drain groove is equipped on each conveying cylinder, and the corresponding water collecting tank is equipped below, and two water collecting tanks are communicated through the drain groove. The utility model has the beneficial effects that: through U -shaped drain groove, evenly distributed drain hole and the matching water collecting tank, drain groove, can separate free moisture in the material conveying process simultaneously, and adopts double helix conveying feed bin, and material can realize moisture separation simultaneously through twice helical conveying, and moisture separation rate reaches above 90%, guarantees material quality.

Description

Technical Field

[0001] This utility model relates to the conveying of materials containing free moisture, and in particular to a double-helix conveying silo. Background Technology

[0002] In industrial production, screw conveyors are widely used for conveying granular materials due to their compact structure and stable conveying characteristics.

[0003] Existing screw conveyor systems have significant deficiencies in their material drainage function when conveying materials containing free moisture. The core design of current screw conveyors focuses solely on material transport, lacking a separation structure for free moisture. When conveying materials containing free moisture, the water moves along with the material within the conveyor cylinder, causing not only material clumping during transport but also accumulating at the bottom of the cylinder and in the gaps between the screw blades, leading to blockages and frequent shutdowns for cleaning, severely impacting conveying efficiency. Furthermore, the unseparated moisture alters the material's original moisture content, increasing energy consumption and production costs should subsequent drying processes be required. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a double-helix conveying hopper.

[0005] The objective of this utility model is achieved through the following technical solution: a double-helix conveying hopper, comprising a first helix conveying mechanism, a second helix conveying mechanism, a connecting sleeve, a support frame, a first water collection trough, a second water collection trough, and a drainage trough; both the first and second helix conveying mechanisms include a conveying cylinder, and a helix conveying assembly for conveying materials from bottom to top is installed inside the conveying cylinder; both the first and second helix conveying mechanisms are inclinedly installed on corresponding support frames; and a first discharge hole is provided at the top of the conveying cylinder of the first helix conveying mechanism, and the inlet end of the connecting sleeve is connected to the first discharge hole. The connecting sleeve is connected to the feed inlet of the second spiral conveyor. The top of the conveying cylinder of the second spiral conveyor is provided with a second discharge hole. The bottom of each conveying cylinder is provided with a drain groove extending along its axial direction. The wall of the drain groove is provided with several drain holes. The first water collection trough is fixed below the drain groove of the first spiral conveyor, and its groove opening corresponds to the drain hole of the drain groove in the conveying cylinder. The second water collection trough is fixed below the drain groove of the second spiral conveyor, and its groove opening corresponds to the drain hole of the drain groove in the conveying cylinder. The first water collection trough, the second water collection trough and the drainage trough are connected.

[0006] Optionally, the screw conveyor assembly includes a screw conveyor roller and a drive motor. The screw conveyor roller is rotatably mounted inside the corresponding conveyor cylinder, and its axis coincides with the axis of the conveyor cylinder. The drive motor is fixed to the outside of the bottom of the conveyor cylinder, and its output shaft is connected to one end of the screw conveyor roller.

[0007] Optionally, several drainage holes are evenly spaced on the wall of the drainage trough, and the diameter of the drainage holes is 2-5mm.

[0008] Optionally, a sealing gasket is provided at the connection between the connecting sleeve and the conveying cylinder.

[0009] Optionally, a motor bracket is provided between the drive motor and the conveying cylinder. One end of the motor bracket is fixedly connected to the outer wall of the conveying cylinder, and the other end is fixedly connected to the housing of the drive motor for fixing the drive motor.

[0010] Optionally, several wear-resistant liners are also installed on the inner wall of the conveyor cylinder. On the same circumference, several wear-resistant liners form a circular hole that matches the spiral conveyor roller.

[0011] Optionally, the drain groove is a U-shaped groove.

[0012] The present invention has the following advantages: The double spiral conveying hopper of the present invention can simultaneously separate free water during the material conveying process through U-shaped drain trough, evenly distributed drain holes and matching water collection trough and drainage trough. Moreover, by adopting the double spiral conveying hopper, the material can achieve water separation while undergoing two spiral conveying processes, with a water separation rate of over 90%, thus ensuring the quality of the material. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 2 Schematic diagrams of the first and second spiral conveying mechanisms. In the figure, 1-first spiral conveying mechanism, 2-second spiral conveying mechanism, 3-connecting sleeve, 4-support frame, 5-second water collection tank, 6-first water collection tank, 7-drainage tank, 11-conveying cylinder, 12-spiral conveying roller, 13-drive motor, 14-drainage tank, 15-drainage hole, 16-first discharge hole, 17-second discharge hole. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0016] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0017] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0018] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not 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 utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] like Figure 1 and Figure 2As shown, a double-helix conveying hopper includes a first helical conveying mechanism 1, a second helical conveying mechanism 2, a connecting sleeve 3, a support frame 4, a first water collection tank 6, a second water collection tank 5, and a drainage tank 7. Both the first helical conveying mechanism 1 and the second helical conveying mechanism 2 include a conveying cylinder 11. A helical conveying assembly for conveying materials from bottom to top is installed inside the conveying cylinder 11. Both the first and second helical conveying mechanisms 1 and 2 are inclinedly mounted on their respective support frames 4, and the inclination angle can be adjusted according to the actual conveying height requirements (preferably 30°). (°-45°) to ensure stable material transport from bottom to top; and the top of the conveying cylinder 11 of the first screw conveyor mechanism 1 is provided with a first discharge hole 16, the inlet end of the connecting sleeve 3 is connected to the first discharge hole 16, the outlet end of the connecting sleeve 3 is connected to the inlet of the second screw conveyor mechanism, the connection between the connecting sleeve 3 and the conveying cylinder 11 is provided with a sealing gasket, the top of the conveying cylinder 11 of the second screw conveyor mechanism 2 is provided with a second discharge hole 17, and the bottom of each conveying cylinder 11 is provided with a drain extending along its axial direction. The drain trough 14 is a U-shaped trough with several drain holes 15 on its wall. In this embodiment, the drain holes 15 are evenly spaced (preferably 10-15 mm apart) and have a diameter of 2-5 mm, allowing water to drip quickly while preventing material particles from leaking out. The first water collection trough 6 is fixed below the drain trough 14 of the first spiral conveying mechanism 1, and its opening corresponds to the drain holes 15 of the drain trough 14 inside the conveying cylinder 11. The second water collection trough 5 is fixed below the drain trough 14 of the second spiral conveying mechanism 2. The groove opening corresponds to the drain hole 15 of the drain trough 14 inside the conveying cylinder 11; the first water collection trough 6 and the second water collection trough 5 are connected to the drainage trough. Preferably, the groove opening size of the two water collection troughs matches the length and width of the drain trough 14 to ensure that the liquid dripping from the drain hole 15 can be completely collected. The drainage trough 7 is a rectangular trough with an incline, which facilitates the liquid to flow out autonomously. Its two ends are welded to the bottom of the first water collection trough 6 and the bottom of the second water collection trough 5, respectively. The end of the drainage trough 7 can be connected to a water storage tank or a drainage pipe to realize centralized treatment of the liquid.

[0021] In this embodiment, as Figure 2As shown, the screw conveyor assembly includes a screw conveyor roller 12 and a drive motor 13. The screw conveyor roller 12 is rotatably mounted inside the corresponding conveying cylinder 11, and its axis coincides with the axis of the conveying cylinder 11. The drive motor 13 is fixedly mounted on the outer side of the bottom of the conveying cylinder 11, and its output shaft is connected to one end of the screw conveyor roller 12. The pitch of the screw conveyor roller 12 is set according to the size of the material particles (preferably 50-100mm) to ensure that there is no slippage or accumulation during the material conveying process. Furthermore, a motor bracket is provided between the drive motor 13 and the conveying cylinder 11. One end of the motor bracket is fixedly connected to the outer wall of the conveying cylinder 11, and the other end is fixedly connected to the housing of the drive motor 13 for fixing the drive motor 13. Therefore, when the drive motor 13 is working, it can drive the screw conveyor roller 12 to rotate clockwise around its own axis, so as to realize the conveying of material from the bottom to the top of the conveying cylinder 11.

[0022] In this embodiment, several wear-resistant liners are also installed on the inner wall of the conveying cylinder 11. On the same circumference, several wear-resistant liners form a circular hole that matches the spiral conveying roller. The gap between the outer edge of the spiral blade of the spiral conveying roller 12 and the circular hole is less than 2mm, which can reduce the direct friction of the material on the inner wall of the conveying cylinder 11 and extend the service life of the equipment.

[0023] The working process of this utility model is as follows: Start the drive motor 13, and the motor drives the spiral conveying roller 12 to rotate clockwise; feed the material containing free water into the bottom feed port of the two conveying cylinders 11, and the material is conveyed upward along the conveying cylinder 11 under the push of the spiral conveying roller 12; the free water in the material flows into the U-shaped drain trough 14 at the bottom under the action of gravity, and drips into the water collection trough below through the drain hole 15, and the liquid in the water collection trough flows into the water storage tank along the inclined drainage trough 7 to achieve water separation; the material that has completed water separation continues to be conveyed upward, and finally discharged from the discharge hole at the top of the conveying cylinder 11 to enter the next production stage.

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

Claims

1. A double-helix conveyor hopper, characterized in that: The system includes a first spiral conveyor mechanism (1), a second spiral conveyor mechanism (2), a connecting sleeve (3), a support frame (4), a first water collection tank (6), a second water collection tank (5), and a drainage tank (7). Both the first spiral conveyor mechanism (1) and the second spiral conveyor mechanism (2) include a conveying cylinder (11). The conveying cylinder (11) is equipped with a spiral conveying assembly that conveys materials from bottom to top. The first spiral conveyor mechanism (1) and the second spiral conveyor mechanism (2) are both installed at an incline on their respective support frames. The top of the conveying cylinder (11) of the first spiral conveyor mechanism (1) is provided with a first discharge hole (16). The inlet end of the connecting sleeve (3) is connected to the first discharge hole (16), and the outlet end of the connecting sleeve (3) is connected to the second spiral conveyor. The feed inlet of the structure (2) is connected, and the top of the conveying cylinder (11) of the second spiral conveying mechanism (2) is provided with a second discharge hole (17). The bottom of each conveying cylinder (11) is provided with a drain groove (14) extending along its axial direction. The wall of the drain groove (14) is provided with a plurality of drain holes (15). The first water collection trough (6) is fixed below the drain groove (14) of the first spiral conveying mechanism (1), and its groove opening corresponds to the drain hole (15) of the drain groove (14) in the conveying cylinder. The second water collection trough (5) is fixed below the drain groove (14) of the second spiral conveying mechanism (2), and its groove opening corresponds to the drain hole (15) of the drain groove (14) in the conveying cylinder. The first water collection trough (6) and the second water collection trough (5) are connected to the drainage trough.

2. The double-helix conveyor hopper according to claim 1, characterized in that: The spiral conveying assembly includes a spiral conveying roller (12) and a drive motor (13). The spiral conveying roller (12) is rotatably disposed inside the corresponding conveying cylinder (11), and its axis coincides with the axis of the conveying cylinder (11). The drive motor (13) is fixed on the outer side of the bottom of the conveying cylinder (11), and its output shaft is connected to one end of the spiral conveying roller (12).

3. The double-helix conveyor hopper according to claim 2, characterized in that: Several drainage holes (15) are evenly spaced on the wall of the drainage groove (14), and the diameter of the drainage holes (15) is 2-5 mm.

4. The double-helix conveyor hopper according to claim 3, characterized in that: The connection between the connecting sleeve (3) and the conveying cylinder (11) is provided with a sealing gasket.

5. A double-helix conveyor hopper according to any one of claims 2 to 4, characterized in that: A motor bracket is provided between the drive motor (13) and the conveying cylinder (11). One end of the motor bracket is fixedly connected to the outer wall of the conveying cylinder (11), and the other end is fixedly connected to the outer shell of the drive motor (13) for fixing the drive motor (13).

6. A double-helix conveyor hopper according to any one of claims 2 to 4, characterized in that: Several wear-resistant liners are also installed on the inner wall of the conveying cylinder (11). On the same circumference, several wear-resistant liners form a circular hole that matches the spiral conveying roller.

7. A double-helix conveyor hopper according to claim 6, characterized in that: The drain trough is a U-shaped trough.

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