Inner cylinder swing type three-way blanking valve device

Abstract

A valve body is of a three-way structure and comprises a feeding port located in the top, a first discharging port and a second discharging port, and the first discharging port and the second discharging port are located in the bottom. The feeding port is connected with an external incoming material chute, and the first discharging port and the second discharging port are connected with external discharging chutes guiding to different feeding positions correspondingly. The hopper is fixedly connected to the feeding opening; the inner cylinder is rotationally connected into the valve body, and the upper area of the inner cylinder sleeves the bottom of the hopper; a variable channel is formed by the hopper and the inner cylinder, and the variable channel is communicated between the feeding port and the first discharging port or between the feeding port and the second discharging port; the driving assembly controls rotation of the inner cylinder, and adjustment of the communication position of the variable channel is achieved. An existing internal turning plate is replaced by a swingable inner cylinder, a hopper is arranged at the top of the inner cylinder, and the inner cylinder and the hopper jointly form a variable channel. The possibility of sticking points and material leakage is avoided, and the purpose of improving quality and efficiency of production enterprises is achieved.

Description

Technical Field

[0001] The present invention relates to the field of alloy material feeding in metallurgical steelmaking, and specifically to an inner cylinder swing type three-way blanking valve device. Background Art

[0002] In the alloy feeding system of a steelmaking workshop, the three-way blanking valve is a key device for precisely controlling and timely changing the adding position of alloy materials. During the steelmaking process, the addition of alloys is crucial for the composition and properties of molten steel. Therefore, the stability and accuracy of the three-way blanking valve directly affect production efficiency and product quality.

[0003] Currently, most of the three-way blanking valves for smelting alloy materials are in the form of flap valves driven by pneumatic cylinders / hydraulic cylinders, such as Figure 1 shown. Since the flap and the rotating shaft need to perform a rotary motion within the valve body, it is required that there is a clearance between the flap and the rotating shaft and the inner wall of the valve body. This results in the theoretical possibility of material jamming and leakage in the equipment. Through on-site investigations of the usage of three-way flap valves in the alloy feeding systems of multiple domestic smelting plants, it is found that the flap valves are frequently jammed by materials during use, seriously affecting production efficiency and product quality. Summary of the Invention

[0004] In view of the above-mentioned defects existing in the prior art, an inner cylinder swing type three-way blanking valve device is provided to avoid material jamming and leakage, and improve production efficiency and quality.

[0005] The technical solution adopted by the present invention to solve the above technical problems is as follows: The inner cylinder swing type three-way blanking valve device is characterized in that it includes a valve body, the valve body adopts a three-way structure, including a feeding port at the top, and a first blanking port and a second blanking port at the bottom; the feeding port is connected to an external incoming material chute, and the first blanking port and the second blanking port are respectively connected to external discharge chutes guiding to different feeding positions; a hopper, the hopper is fixedly connected to the feeding port; an inner cylinder, the inner cylinder is rotatably connected within the valve body, and the upper region of the inner cylinder is sleeved at the bottom of the hopper; and a variable channel is formed by the hopper and the inner cylinder, and the variable channel communicates between the feeding port and the first blanking port, or between the feeding port and the second blanking port; a driving component, the driving component controls the rotation of the inner cylinder to realize the adjustment of the communication position of the variable channel.

[0006] According to the above technical solution, wear-resistant plates are provided at both the first blanking port and the second blanking port.

[0007] According to the above technical solution, a first rotating shaft and a second rotating shaft with a common center line are fixedly provided at both ends of the inner cylinder. Both the first rotating shaft and the second rotating shaft are connected to the inner wall of the valve body through bearings, and the second rotating shaft passes through the inner wall of the valve body and is connected to an external driving assembly.

[0008] According to the above technical solution, the driving assembly includes a structure of a motor and a reducer. The motor has two modes of forward rotation and reverse rotation, and the motor is connected to the end of the second rotating shaft passing through the inner wall of the valve body through the reducer.

[0009] According to the above technical solution, the driving assembly includes a crank, a linear driving unit, and a mounting seat. The mounting seat is fixed on the outer wall of the valve body, the crank is fixed on the end of the second rotating shaft passing through the inner wall of the valve body, and the linear driving unit is connected between the mounting seat and the crank; the crank is pushed by the linear driving unit to realize the rotation of the second rotating shaft.

[0010] According to the above technical solution, the linear driving unit adopts a pneumatic cylinder, or a hydraulic cylinder, or an electric cylinder; when the material density is relatively large, a hydraulic cylinder or an electric cylinder is adopted; when the material density is relatively small, a pneumatic cylinder is adopted.

[0011] According to the above technical solution, the hopper adopts a funnel-shaped structure, and the cross-sectional area gradually decreases from top to bottom.

[0012] According to the above technical solution, the outer shape of the inner cylinder presents a conical structure or a cylindrical structure.

[0013] According to the above technical solution, the valve body structure is in a herringbone shape, the feeding port is located at the top of the valve body, and the first discharging port and the second discharging port are located at both lower ends of the valve body; the hopper adopts a conical structure, and the inner cylinder adopts a cylindrical structure or a conical structure.

[0014] According to the above technical solution, flanges are provided at the feeding port, the first discharging port, and the second discharging port, and are connected to external incoming material chutes or discharging chutes through the flanges.

[0015] The present invention has the following beneficial effects: 1. The existing internal flap is replaced with a swingable inner cylinder, and a hopper is provided at the top of the inner cylinder. The two together form a variable channel for connecting the feeding port and the first discharging port, or the feeding port and the second discharging port. According to the discharging requirement, the inner cylinder is driven to rotate through the driving assembly to realize the connection between the inner cylinder and the first discharging port or the second discharging port, so as to achieve the purpose of switching the direction of the alloy material. Compared with the existing structure, the above measures eliminate the possibility of jamming and material leakage, and achieve the purpose of improving the quality and efficiency of production enterprises.

[0016] 2. The wear-resistant plate is made of wear-resistant material and is welded or fixed to the inner side of the valve body through fasteners to delay the wear of the valve body during the discharging process of the alloy material and extend the service life of the valve body.

[0017] 3. Set various structural forms of the driving components to meet the usage requirements when discharging different materials, and improve the versatility of the device.

[0018] The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it according to the content of the description, the following takes the preferred embodiments of the present invention and combines the accompanying drawings to describe in detail as follows. The specific implementation manners of the present invention are given in detail by the following embodiments and their accompanying drawings. Description of the Drawings

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0020] Figure 1 is a schematic structural diagram of the prior art; Figure 2 is the front view of the embodiment provided by the present invention; Figure 3 is Figure 2 the sectional view in the F-F direction in In the figure, 01, valve body; 02, flap; 03, pneumatic cylinder / hydraulic cylinder drive; 1, valve body; 1-1, feeding port; 1-2, first discharging port; 1-3, second discharging port; 2, hopper; 3, inner cylinder; 4, driving component; 4-1, crank; 4-2, linear driving unit; 4-3, mounting seat; 5, wear-resistant plate; 6, first rotating shaft; 7, second rotating shaft; 8, flange. Detailed Embodiment

[0021] The following combines the attached Figures 2 - 3 Describe the principles and features of the present invention. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention will be described more specifically by way of example with reference to the accompanying drawings. According to the following description and claims, the advantages and features of the present invention will be clearer. It should be noted that the drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of description.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] Referring to Figures 2 - 3 as shown, the present invention provides an inner cylinder swing type three-way blanking valve device.

[0025] Embodiment 1 It includes a valve body 1. The valve body adopts a three-way structure, including a feeding port 1-1 at the top, and a first blanking port 1-2 and a second blanking port 1-3 at the bottom; the feeding port is connected to an external incoming material chute, and the first blanking port and the second blanking port are respectively connected to external discharge chutes guiding to different feeding positions; a hopper 2, which is fixedly connected to the feeding port; an inner cylinder 3, which is rotatably connected inside the valve body. The upper region of the inner cylinder is sleeved at the bottom of the hopper; and a variable channel is formed by the hopper and the inner cylinder, and the variable channel communicates between the feeding port and the first blanking port, or between the feeding port and the second blanking port; a driving assembly 4, which controls the rotation of the inner cylinder by the driving assembly to realize the adjustment of the communication position of the variable channel.

[0026] In this embodiment, the existing internal flap is replaced with a swingable inner cylinder, and a hopper is arranged at the top of the inner cylinder. The two together form a variable channel for communicating the feeding port and the first blanking port, or the feeding port and the second blanking port. According to the blanking requirement, the rotation of the inner cylinder is driven by the driving assembly to realize the communication between the inner cylinder and the first blanking port or the second blanking port, so as to achieve the purpose of switching the direction of the alloy material. Compared with the existing structure, the above measures have no possibility of jamming and material leakage, and achieve the purpose of improving the quality and efficiency of production enterprises.

[0027] Embodiment 2 On the basis of Embodiment 1, in order to improve the service life of the three-way blanking valve device and avoid the wear of the valve body due to the first blanking port and the second blanking port at the bottom by the material; wear-resistant plates 5 are provided at both the first blanking port and the second blanking port. The wear-resistant plates are made of wear-resistant materials and are welded or fixed to the inner side of the valve body by fasteners to delay the wear of the valve body during the blanking process of the alloy material and extend the service life of the valve body.

[0028] Based on Embodiments 1 and 2, a preferred form of the inner cylinder is provided. At both ends of the inner cylinder, a first rotating shaft 6 and a second rotating shaft 7 with a common center line are fixedly provided. Both the first rotating shaft and the second rotating shaft are connected to the inner wall of the valve body through bearings, and the second rotating shaft passes through the inner wall of the valve body and is connected to an external driving assembly. The inner cylinder is fixed between the first rotating shaft and the second rotating shaft. By driving the rotation of the second rotating shaft through the driving assembly, the inner cylinder is kept rotating synchronously with the second rotating shaft to achieve the swinging of the cylinder body and the purpose of switching the direction of the alloy material.

[0029] Embodiment 3 Based on the above-preferred form of the inner cylinder, two preferred structural forms of the driving assembly are provided.

[0030] The first driving assembly includes a structure of a motor and a reducer. The motor has two modes of forward rotation and reverse rotation. The motor is connected to the end of the second rotating shaft passing through the inner wall of the valve body through the reducer.

[0031] The second driving assembly includes a crank 4-1, a linear driving unit 4-2, and a mounting seat 4-3. The mounting seat is fixed on the outer wall of the valve body. The crank is fixed on the end of the second rotating shaft passing through the inner wall of the valve body. The linear driving unit is connected between the mounting seat and the crank; the crank is pushed by the linear driving unit to realize the rotation of the second rotating shaft.

[0032] In the second driving structure, the linear driving unit adopts a pneumatic cylinder, or a hydraulic cylinder, or an electric cylinder; when the material density is relatively large, a hydraulic cylinder or an electric cylinder is adopted; when the material density is relatively small, a pneumatic cylinder is adopted.

[0033] In the above embodiments, the hopper adopts a bucket-shaped structure, and the cross-sectional area gradually decreases from top to bottom. The hopper is welded by steel plates and has a conical structure with a large top and a small bottom. The top of the hopper is welded to the feeding port position of the valve body.

[0034] In the above embodiments, the outer shape of the inner cylinder presents a conical structure with a large top and a small bottom or a cylindrical structure.

[0035] As shown in the figure, the valve body structure is in a herringbone shape. The feeding port is located at the top of the valve body, and the first discharging port and the second discharging port are located at both lower ends of the valve body; the hopper adopts a conical structure, and the inner cylinder adopts a cylindrical structure or a conical structure.

[0036] Flanges 8 are provided at the feeding port, the first discharging port, and the second discharging port, and are connected to external incoming material chutes or discharging chutes through the flanges.

[0037] The operation process of the present invention: During the metallurgical production process, when alloy materials need to be added, the position where the alloy materials are to be added is selected through the remote control buttons in the control room or the on-site operation box. At this time, the driving component drives the crank to rotate, indirectly rotating the cylinder body in the valve body to the required angle, connecting the incoming material chute connected to the feeding port in the valve and the discharge chute connected to the first discharge port, or connecting the incoming material chute connected to the feeding port in the valve and the discharge chute connected to the second discharge port, so as to meet the corresponding feeding requirements. The precise control of the rotation angle of the cylinder body is achieved by the limit switch on the driving device.

[0038] During the discharging process of the alloy materials, the materials first enter the hopper at the upper part of the valve body through the incoming material chute at the upper end of the valve, then flow to the swingable inner cylinder in the valve, and finally flow through the inner cylinder to the lower end of the valve body and enter the selected discharge chute. There are no jamming points and material leakage during the whole flow process of the alloy materials, the commutation is reliable, and the alloy materials flow smoothly.

[0039] If the density of the alloy materials is relatively large and the impact force on the inner cylinder is relatively large during the discharging process, the hydraulic cylinder or the electric cylinder is selected as the driving device; if the density of the alloy materials is relatively small and the impact force on the inner cylinder is relatively small during the discharging process, the air cylinder can be selected as the driving device.

[0040] As mentioned above, it is only the preferred embodiment of the present invention and does not impose any form of limitation on the present invention; any ordinary technician in the industry can smoothly implement the present invention according to the illustrations in the specification and the above description; however, any equivalent changes such as slight modifications, decorations, and evolutions made by those skilled in the art within the scope of the technical solution of the present invention by using the technical content disclosed above are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. Inner cylinder swing type three-way blanking valve device, characterized in that: including a valve body, the valve body adopting a three-way structure, including a feeding port at the top, and a first discharging port and a second discharging port at the bottom; the feeding port is connected to an external incoming material chute pipe, and the first discharging port and the second discharging port are respectively connected to external discharging chute pipes guiding to different feeding positions; a hopper, the hopper being fixedly connected to the feeding port; an inner cylinder, the inner cylinder being rotatably connected inside the valve body, and the upper region of the inner cylinder being sleeved on the bottom of the hopper; and a variable channel is formed by the hopper and the inner cylinder, and the variable channel communicates between the feeding port and the first discharging port, or between the feeding port and the second discharging port; a driving assembly, the rotation of the inner cylinder being controlled by the driving assembly to realize the adjustment of the communication position of the variable channel.

2. The inner cylinder swing type three-way blanking valve device according to claim 1, wherein: Wear-resistant plates are provided at both the first discharging port and the second discharging port.

3. The inner cylinder swing type three-way blanking valve device according to claim 1, characterized in that: A first rotating shaft and a second rotating shaft with a common center line are fixedly provided at both ends of the inner cylinder, and both the first rotating shaft and the second rotating shaft are connected to the inner wall of the valve body through bearings, and the second rotating shaft passes through the inner wall of the valve body and is connected to an external driving assembly.

4. The inner cylinder swing type three-way blanking valve device according to claim 3, characterized in that: The driving assembly includes a structure of a motor and a speed reducer, the motor having two modes of forward rotation and reverse rotation, and the motor is connected to the end of the second rotating shaft passing through the inner wall of the valve body through the speed reducer.

5. The inner cylinder swing type three-way blanking valve device according to claim 3, characterized in that: The driving assembly includes a crank, a linear driving unit, and a mounting seat, the mounting seat being fixed on the outer wall of the valve body, the crank being fixed on the end of the second rotating shaft passing through the inner wall of the valve body, and the linear driving unit being connected between the mounting seat and the crank; the second rotating shaft is rotated by the linear driving unit pushing the crank.

6. The inner cylinder swing-type three-way blanking valve device according to claim 5, characterized in that: The linear driving unit adopts a pneumatic cylinder, or a hydraulic cylinder, or an electric cylinder; when the material density is relatively large, a hydraulic cylinder or an electric cylinder is adopted; when the material density is relatively small, a pneumatic cylinder is adopted.

7. The inner cylinder swing type three-way blanking valve device according to claim 1, characterized in that: The hopper adopts a funnel-shaped structure, and the cross-sectional area gradually decreases from top to bottom.

8. The inner cylinder swing type three-way blanking valve device according to claim 1, wherein: The outer shape of the inner cylinder presents a conical structure or a cylindrical structure.

9. The inner cylinder swing type three-way blanking valve device according to claim 1, characterized in that: The valve body structure is in a herringbone shape, the feeding port is located at the top of the valve body, and the first discharging port and the second discharging port are located at both lower ends of the valve body; the hopper adopts a conical structure, and the inner cylinder adopts a cylindrical structure or a conical structure.

10. The inner cylinder swing type three-way blanking valve device according to claim 9, characterized in that: Flanges are provided at the feeding port, the first discharging port, and the second discharging port, and are connected to an external incoming material chute pipe or discharging chute pipe through the flanges.

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