Rotary chute device, equipment and system

Abstract

The utility model discloses a rotary chute device, which comprises a collecting hopper, a chute and a chute, the upper end of the rotary chute body is rotationally connected with the collecting hopper and is communicated with the collecting hopper; the diameter of a material opening of each vacuum lock is matched with the diameter of an outlet in the lower end of the rotating chute body, and the material opening of each vacuum lock is located on the rotating arc length of the lower end of the rotating chute body; the sealing mechanisms are oppositely arranged at the positions of the material ports, each sealing mechanism is provided with a telescopic rod in the horizontal direction, sealing plates are arranged at the tail ends of the telescopic rods in the stretching-out direction, and when the at least two opposite sealing plates move to be in a combined state, the sealing plates are sealed. And the material port of the vacuum lock and the outlet at the lower end of the rotary chute body form a sealed channel. Therefore, according to the rotary chute, the joint between the rotary chute body and the vacuum lock is sealed through the sealing mechanism, so that a closed material conveying channel is formed, the possibility that materials escape when passing through the material opening is reduced, material waste is reduced, and dust pollution is reduced.

Description

Technical Field

[0001] This utility model relates to the field of material conveying technology, and in particular to a rotary chute device, equipment and system. Background Technology

[0002] Rotary chute is mainly used to discharge various bulk alloys from a high-level silo to a corresponding vacuum silo below. However, there is a certain gap between the interface between the rotary chute and the vacuum silo. When the material passes through, material particles and powder can escape through the gap, which not only wastes the material but also fails to meet environmental protection requirements.

[0003] In related technologies, it is costly to install dust removal equipment at the material discharge point. Therefore, how to provide a low-cost device to reduce dust overflow is a technical problem that urgently needs to be solved. Utility Model Content

[0004] This application provides a rotary chute device, equipment, and system, which solves the technical problem of high cost in deploying corresponding dust removal equipment at the material discharge position in the prior art, and achieves the technical effect of reducing dust overflow at a low cost.

[0005] In a first aspect, this application provides a rotary chute device, comprising:

[0006] A collection hopper is used to receive materials from a high-level silo.

[0007] The upper end of the rotary chute body is rotatably connected to and communicates with the collection hopper;

[0008] Vacuum locks, including multiple vacuum locks, the diameter of the material inlet of each vacuum lock is matched with the diameter of the lower end outlet of the rotary chute body, and the material inlet of each vacuum lock is located on the rotation arc length of the lower end of the rotary chute body.

[0009] The sealing mechanism is arranged opposite each material inlet. Each sealing mechanism is equipped with a telescopic rod in the horizontal direction. A sealing plate is provided at the end of the telescopic rod along the extension direction. When at least two opposite sealing plates move to the closed state, the material inlet of the vacuum lock and the lower outlet of the rotary chute body form a sealed channel.

[0010] In some embodiments of this application, based on the aforementioned scheme, each sealing plate is set to an arc shape that matches the diameter of the feed opening, and at least two opposite sealing plates are moved to a mating state and spliced ​​together to form a hollow circle whose inner diameter matches the outer diameter of the feed opening.

[0011] In some embodiments of this application, based on the aforementioned scheme, each sealing plate has a protrusion at one end and a recess at the other end that matches the protrusion; when at least two opposing sealing plates move to a mating state, the protrusion of one of the two adjacent sealing plates is joined with the recess of the other of the two adjacent sealing plates.

[0012] In some embodiments of this application, based on the aforementioned scheme, a sealing gasket is covered on the contact surface of each sealing plate near the feed port.

[0013] In some embodiments of this application, based on the foregoing scheme, the following further methods are also included:

[0014] The first position detection mechanism is set at the upper end of the rotary chute body and is used to detect the rotational position of the rotary chute body.

[0015] The second position detection mechanism is installed at each sealing mechanism to detect the extension distance of the telescopic rod.

[0016] In some embodiments of this application, based on the foregoing scheme, the following further methods are also included:

[0017] The weighing mechanism is installed in the high-level silo and is used to weigh materials.

[0018] In some embodiments of this application, based on the foregoing scheme, the following further methods are also included:

[0019] The power mechanism, located at the lower end of the collection hopper, is used to rotate the main body of the rotary chute.

[0020] In some embodiments of this application, based on the foregoing scheme, the following further methods are also included:

[0021] The control mechanism is electrically connected to the sealing mechanism, the first position detection mechanism, the second position detection mechanism, the weighing mechanism, and the power mechanism.

[0022] In a second aspect, this application provides a material conveying device, including the rotary chute device as provided in the first aspect.

[0023] Thirdly, this application provides a feeding system, including the material conveying equipment as provided in the first aspect.

[0024] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0025] This application provides a rotary chute device, including: a collection hopper for receiving materials from a high-level silo; a rotary chute body, the upper end of which is rotatably connected to and communicates with the collection hopper; multiple vacuum locks, each with a discharge port diameter matching the diameter of the lower outlet of the rotary chute body, and the discharge port of each vacuum lock located on the rotation arc length of the lower end of the rotary chute body; and sealing mechanisms, which are arranged opposite each discharge port, each sealing mechanism having a telescopic rod in the horizontal direction, and a sealing plate at the end of the telescopic rod along the extension direction. When at least two opposite sealing plates move to a closed state, the discharge port of the vacuum lock and the lower outlet of the rotary chute body form a sealed channel. As can be seen, the embodiments of this application establish a material conveying channel by rotating the rotary chute body to the corresponding vacuum lock material port, and form a sealed channel between the lower outlet of the rotary chute body and the material port of the vacuum lock by the telescopic rod and sealing plate of the sealing mechanism. This reduces the possibility of material escaping through gaps when passing through the material port, reduces material waste, reduces dust pollution, and ensures that the material flows stably, continuously and evenly from the high-level silo to the vacuum lock during the conveying process, thereby improving production efficiency. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a front view of a rotary chute device provided in an embodiment of this application;

[0028] Figure 2 This is a top view of a rotary chute device provided in an embodiment of this application;

[0029] Figure 3a A schematic diagram of the sealing mechanism provided in the embodiments of this application;

[0030] Figure 3b A top view of the structure of the sealing plate moving to the engagement state according to an embodiment of this application;

[0031] Figure 3c A top view of the structure of the sealing plate in the separated state provided in an embodiment of this application;

[0032] In the above diagram: 1. Collection hopper; 2. Rotary chute body; 3. Vacuum lock; 4. Sealing mechanism; 401. Telescopic rod; 402. Sealing plate; 4021. Protrusion; 4022. Recess; 403. Sealing gasket; 5. Power mechanism. Detailed Implementation

[0033] This application provides a rotary chute device, which solves the technical problem of high cost in the prior art of deploying corresponding dust removal equipment at the material discharge position.

[0034] The technical solution of this application embodiment is to solve the above-mentioned technical problems, and the general idea is as follows:

[0035] This application provides a rotary chute device, including: a collection hopper for receiving materials from a high-level silo; a rotary chute body, the upper end of which is rotatably connected to and communicates with the collection hopper; multiple vacuum locks, each with a discharge port diameter matching the diameter of the lower outlet of the rotary chute body, and the discharge port of each vacuum lock located on the rotation arc length of the lower end of the rotary chute body; and sealing mechanisms, which are arranged opposite each discharge port, each sealing mechanism having a telescopic rod in the horizontal direction, and a sealing plate at the end of the telescopic rod along the extension direction. When the two opposite sealing plates move to a closed state, the intersecting surface formed by the discharge port of the vacuum lock and the lower outlet of the rotary chute body is sealed. As can be seen, the embodiments of this application establish a material conveying channel by rotating the rotary chute body to the corresponding vacuum lock material port, and seal the intersecting surface between the lower end outlet of the rotary chute body and the material port of the vacuum lock by the telescopic rod and sealing plate of the sealing mechanism, thereby reducing the possibility of material escaping through gaps when passing through the material port, reducing material waste, reducing dust pollution, and ensuring that the material flows stably, continuously and evenly from the high-level silo to the vacuum lock during the conveying process, thereby improving production efficiency.

[0036] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0037] First, it should be clarified that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0038] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such uses of these terms can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described.

[0039] It should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only 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.

[0040] It should be noted that, unless otherwise explicitly specified and limited, the terms "connection," "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections 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.

[0041] In the steelmaking and refining process, various bulk alloys need to be added to the molten steel in the vacuum chamber. This process usually involves the material falling from a high-level silo to a collection hopper, and then being selectively transported to the corresponding vacuum lock via a rotary chute, eventually entering the molten steel in the vacuum chamber.

[0042] In existing technology, to ensure that material falls into the vacuum lock as much as possible after passing through the rotary chute, the shape and position of the vacuum lock and the rotary chute are designed such that the diameter of the vacuum lock's feed inlet is larger than the diameter of the bottom of the rotary chute, so that the area where the material falls after passing through the rotary chute is covered by the vacuum lock's receiving area. At the same time, because the rotary chute needs to remain in a rotating state, there is a certain gap at the connection between the lower outlet of the rotary chute and the vacuum lock's feed inlet.

[0043] Based on the above, when materials enter the vacuum lock through the rotary chute, material particles and powder can escape from the gaps. This not only fails to meet environmental protection requirements but also wastes materials. In severe cases, it may lead to insufficient material being added to the molten steel, thus affecting the chemical composition of the steel and ultimately its quality. Furthermore, to maintain the cleanliness of the work area, personnel must frequently sweep away scattered materials and dust, which not only increases labor intensity but also poses a health threat due to long-term exposure to dust.

[0044] To reduce dust emissions, effective dust removal equipment is often installed at material discharge points to meet production emission standards. However, the cost of installing dust removal equipment is high, and it cannot solve the problem of material waste caused by dust emissions.

[0045] To address the aforementioned problems, embodiments of this application provide a rotary chute device, such as... Figure 1 and Figure 2 As shown, it includes:

[0046] Collection hopper 1 is used to receive materials from the high-level silo;

[0047] The upper end of the rotary chute body 2 is rotatably connected to and communicates with the collection hopper 1.

[0048] Vacuum locks 3 include multiple vacuum locks, the diameter of the material inlet of each vacuum lock 3 matches the diameter of the lower outlet of the rotary chute body 2, and the material inlet of each vacuum lock 3 is located on the rotation arc length of the lower end of the rotary chute body 2; the vacuum lock 3 is connected to the vacuum chamber below.

[0049] The sealing mechanism 4 is arranged opposite each material inlet. Each sealing mechanism 4 is provided with a telescopic rod 401 in the horizontal direction. The end of the telescopic rod 401 along the extension direction is provided with a sealing plate 402. When at least two opposite sealing plates 402 move to the engagement state, the material inlet of the vacuum lock 3 and the lower outlet of the rotary chute body 2 form a sealed channel.

[0050] At least two sealing plates 402 can be two or more sealing plates 402. Using two sealing plates 402 simplifies the control method and involves the fewest components, thus simplifying the control process. Therefore, the embodiments of this application will be described exemplarily using only two sealing plates 402.

[0051] The working process of a rotary chute device provided in this application embodiment is as follows:

[0052] When the rotary chute body 2 rotates to a position above the corresponding vacuum lock 3, the telescopic rod 401 of the sealing mechanism 4 located at the corresponding material inlet switches from a retracted state to an extended state, causing the two opposing sealing plates 402 to move into a mating state. This seals the material inlet of the vacuum lock 3 with the lower outlet of the rotary chute body 2, forming a closed material conveying channel. After the collection hopper 1 receives the material from the high-level hopper, the material falls down the rotary chute body 2 into the corresponding vacuum lock 3 inlet, and is then conveyed to the vacuum chamber below to mix with the molten iron, thus completing the material conveying process.

[0053] Preferred, such as Figure 3a and Figure 3b As shown, each sealing plate 402 is set to a semi-circular arc shape that matches the diameter of the feed inlet. After two opposing sealing plates 402 move to the mating state, they are spliced ​​together to form a hollow circle that matches the diameter of the feed inlet. Designing the sealing plates 402 to be semi-circular arc shapes allows for a tighter fit to the feed inlet after splicing into a hollow circle, enhancing the sealing effect and further reducing dust and material leakage.

[0054] It should be noted that the sealing plate 402 being set to a semi-circular arc shape that matches the diameter of the material outlet means that the side surface of the sealing plate 402 near the material outlet is a semi-circular arc shape. In order to keep the thickness of the sealing plate 402 the same at all points, the side surface of the sealing plate 402 away from the material outlet can be adapted to be set to a matching semi-circular arc shape.

[0055] Preferred, such as Figure 3c As shown, each sealing plate 402 has a protrusion 4021 at one end and a recess 4022 at the other end that matches the protrusion 4021. When the two opposing sealing plates 402 move to a mating state, the protrusion 4021 of one sealing plate 402 engages with the recess 4022 of the other sealing plate 402. This engagement design of the protrusion 4021 and the recess 4022 makes the connection between the sealing plates 402 more secure, improves the stability and reliability of the seal, and further reduces the possibility of material dust escaping.

[0056] Preferably, each sealing plate 402 has a sealing gasket 403 covering the contact surface near the feed port.

[0057] The sealing gasket 403 is used to fill the tiny gap between the material inlet and the sealing plate 402, making the sealing plate 402 more tightly connected to the lower end of the rotary chute body 2 and the material inlet of the vacuum lock 3, reducing the possibility of material leakage through the connection, and also reducing the impact of vibration caused by material conveying, thus improving adaptability. For example, the sealing gasket 403 is made of rubber, which has both elasticity and sealing properties.

[0058] In some embodiments, the rotary chute device further includes:

[0059] The first position detection mechanism (not shown in the figure) is set at the upper end of the rotary chute body 2 and is used to detect the rotation position of the rotary chute body 2.

[0060] The second position detection mechanism (not shown in the figure) is set at each sealing mechanism 4 to detect the extension distance of the telescopic rod 401;

[0061] A weighing mechanism (not shown in the figure) is installed in the high-level silo and is used to weigh materials;

[0062] The power mechanism 5 is located at the lower end of the collection bucket 1 and is used to rotate the rotary chute body 2.

[0063] The control mechanism (not shown in the figure) is electrically connected to the sealing mechanism 4, the first position detection mechanism, the second position detection mechanism, the weighing mechanism, and the power mechanism 5.

[0064] For example, the weighing mechanism includes a weighing vibrating feeder, the power mechanism 5 includes gears and a reducer, and the control mechanism includes a PLC controller.

[0065] In the above embodiment, after selecting the corresponding vacuum lock 3, the control mechanism controls the power mechanism 5 to start, so that the rotating chute body 2 rotates relative to the collection bucket 1. After the first position detection mechanism detects that the rotation position of the rotating chute body 2 is above the corresponding vacuum lock 3, it sends a position signal to the control mechanism so that the control mechanism controls the power mechanism 5 to stop.

[0066] After the rotary chute body 2 stops, the control mechanism controls the telescopic rod 401 of the corresponding sealing mechanism 4 set at the corresponding material port to switch from the retracted state to the extended state, so that the two opposite sealing plates 402 move to the mating state, thereby sealing the intersecting surface formed by the material port of the vacuum lock 3 and the lower end outlet of the rotary chute body 2, so as to form a closed material conveying channel.

[0067] After the second position detection mechanism detects that the extension distance of the telescopic rod 401 has reached a preset distance that allows the sealing plate 402 to engage, it sends a sealing signal to the control mechanism to initiate the material conveying process. When the weighing mechanism displays zero material, after a preset time, it sends a material readiness signal to the control mechanism, causing the control mechanism to switch the telescopic rod 401 of the sealing mechanism 4 from the extended state to the retracted state. After the second position detection mechanism detects that the extension distance of the telescopic rod 401 has reached a preset distance for the retracted state, it sends a signal to the control mechanism to initiate the subsequent production process.

[0068] In summary, this application provides a rotary chute device, comprising: a collection hopper 1 for receiving materials from a high-level silo; a rotary chute body 2, the upper end of which is rotatably connected to and communicates with the collection hopper 1; multiple vacuum locks 3, the diameter of the inlet of each vacuum lock 3 matching the diameter of the lower outlet of the rotary chute body 2, and the inlet of each vacuum lock 3 located on the rotation arc length of the lower end of the rotary chute body 2; and sealing mechanisms 4, which are disposed opposite each inlet, each sealing mechanism 4 having a telescopic rod 401 in the horizontal direction, and a sealing plate 402 at the end of the telescopic rod 401 along the extension direction. When at least two opposite sealing plates 402 move to a closed state, a sealed channel is formed between the inlet of the vacuum lock 3 and the lower outlet of the rotary chute body 2. As can be seen, in this embodiment, by rotating the rotary chute body 2 to the corresponding vacuum lock 3 inlet, a material conveying channel is established. The telescopic rod 401 and sealing plate 402 of the sealing mechanism 4 form a sealed channel between the lower outlet of the rotary chute body 2 and the inlet of the vacuum lock 3, reducing the possibility of material escaping through gaps when passing through the inlet, reducing material waste, reducing dust pollution, and ensuring that the material flows stably, continuously and evenly from the high-level silo to the vacuum lock 3 during the conveying process, thereby improving production efficiency.

[0069] Based on the same technical concept, this application provides a material conveying device, including the rotary chute device provided in the aforementioned solution.

[0070] Based on the same technical concept, this application provides a feeding system, including the material conveying equipment provided by the aforementioned solution.

[0071] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0072] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A rotary chute apparatus, characterized by, The application relates to a rotary chute device. The rotary chute device comprises a collecting hopper for receiving materials from a high-position hopper, a rotary chute body, an upper end of the rotary chute body being rotatably connected with the collecting hopper and being in communication with the collecting hopper, a plurality of vacuum locks, a diameter of a material port of each vacuum lock matching a diameter of an outlet at a lower end of the rotary chute body, and the material port of each vacuum lock being located on a rotation arc length of the lower end of the rotary chute body, a sealing mechanism being oppositely arranged at each material port, each sealing mechanism being provided with an extension rod in a horizontal direction, an end of the extension rod in an extension direction being provided with a sealing plate, and the material port of the vacuum lock and the outlet at the lower end of the rotary chute body forming a sealed channel when at least two opposite sealing plates move to a closed state. Each sealing plate is arranged in a circular arc shape matching a diameter of the material port, and the at least two opposite sealing plates are spliced into a hollow circle with an inner diameter matching an outer diameter of the material port when the at least two opposite sealing plates move to the closed state. One end of each sealing plate is provided with a convex part, and the other end is provided with a concave part matching the convex part; and the convex part of one of the two adjacent sealing plates is spliced with the concave part of the other of the two adjacent sealing plates when the at least two opposite sealing plates move to the closed state. A sealing gasket is arranged on a contact surface of each sealing plate close to the material port.

2. The rotating chute apparatus of claim 1, wherein, The application further comprises a first position detection mechanism arranged at an upper end of the rotary chute body and used for detecting a rotation position of the rotary chute body, and a second position detection mechanism arranged at each sealing mechanism and used for detecting an extension distance of the extension rod.

3. The rotary chute apparatus of claim 1, wherein, The application further comprises a weighing mechanism arranged in the high-position hopper and used for weighing the materials.

4. The rotary chute apparatus of claim 1, wherein, The application further comprises a power mechanism arranged at a lower end of the collecting hopper and used for rotating the rotary chute body.

5. The rotary chute apparatus of claim 1, wherein, The application further comprises a control mechanism electrically connected with the sealing mechanism, the first position detection mechanism, the second position detection mechanism, the weighing mechanism and the power mechanism. The application further comprises the rotary chute device according to any one of claims 1-8. The application further comprises the material conveying equipment according to claim 9.

6. The rotary flight device of claim 5, wherein ​ ​ 7. The rotary chute apparatus of claim 6, wherein, ​ ​ 8. The rotary chute apparatus of claim 7, wherein, ​ ​ 9. A material conveying apparatus, characterized by ​ 10. A blanking system characterized by, ​

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