Automatic flow control device for flow of silicon nitride molten aluminum

Abstract

The utility model discloses an automatic flow control device for silicon nitride molten aluminum flow. The automatic flow control device comprises a flow guide pipe, a flow groove, a vertical plug, a bracket, a counter weight and an aluminum storage groove, the flow guide pipe is fixed to the bottom end of the launder, the vertical plug is connected with the front end of the support and arranged over the flow guide pipe, the rear end of the support is connected with the balance weight, and the balance weight floats above molten aluminum in the aluminum storage groove. When no molten aluminum exists in the aluminum storage groove, the counter weight moves downwards to drive the vertical plug, the vertical plug moves reversely to expose the channel of the flow guide pipe upwards, and the molten aluminum flows into the aluminum storage groove through the flow guide pipe. When the molten aluminum in the aluminum storage tank is increased to the required liquid level, the counter weight is driven to move upwards, the vertical plug is downwards, and the flow of the molten aluminum is controlled; materials are not prone to adhering to aluminum, cleaning is easy, the quality of molten aluminum is improved, the flow of the molten aluminum flowing into the aluminum storage groove can be automatically controlled according to the amount of the molten aluminum in the aluminum storage groove, control is easy, labor cost is saved, the labor intensity of workers is reduced, the energy-saving effect is good, the service life is long, control precision is high, operation is convenient, running is reliable, and maintenance is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum material processing equipment, in particular to an automatic flow control device for silicon nitride aluminum liquid flow. Background Art

[0002] The traditional method of controlling the flow rate of molten aluminum is to rely on manual control by the operator based on observation and experience, or to use electric energy for automatic control. The utility model uses buoyancy and lever principles, etc., selects counterweights and vertical plugs of different materials, and realizes the up and down reciprocating motion of the vertical plug through the height of its own liquid level, thereby achieving the purpose of controlling the flow rate of molten aluminum. The control is simple, the operation is convenient, and the labor cost is saved. The main components are made of silicon nitride, which is not easy to stick to aluminum, easy to clean, improves the quality of molten aluminum, and has a long service life. Utility Model Content

[0003] The utility model aims to provide an automatic flow control device for aluminum silicon nitride liquid flow, so as to solve at least any one of the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic flow control device for silicon nitride aluminum liquid flow, comprising a guide pipe, a flow trough, a vertical plug, a bracket, a counterweight, an aluminum storage tank, a liquid level sensor, a controller and a signal transceiver;

[0005] The guide pipe is detachably connected to the bottom end of the flow trough, the vertical plug is arranged on the front end of the bracket and is placed directly above the guide pipe, the bottom of the bracket is connected to a counterweight, and the counterweight floats above the aluminum liquid in the aluminum storage tank, the liquid level sensor is detachably connected to the flow trough, and the controller and the signal transceiver are both detachably connected to the bracket;

[0006] When there is no aluminum liquid in the aluminum storage tank, the counterweight moves downward to drive the vertical plug, and the vertical plug moves in the opposite direction to expose the guide pipe channel upward, and the aluminum liquid flows into the aluminum storage tank through the guide pipe.

[0007] Preferably, the vertical plug and the flow guide pipe are both made of high temperature resistant silicon nitride.

[0008] Preferably, the vertical plug is in surface contact with the flow guide tube, which makes it easier to control the flow rate of the molten aluminum.

[0009] Preferably, the bracket is composed of a base, a vertical bracket and a horizontal bracket, the base is fixed on the flow channel, the vertical bracket and the base can be quickly plugged in and out, and the vertical bracket and the horizontal bracket can be quickly plugged in and out.

[0010] Preferably, the counterweight material is aluminum silicate material.

[0011] Preferably, an emergency aluminum discharge port is provided at the front end of the flow channel.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, the vertical plug and the guide tube are made of high temperature resistant silicon nitride material and are made using modern industrial ceramic sintering technology, which ultimately makes the product have the characteristics of wear resistance, non-stick aluminum, long service life, etc.

[0014] 2. In the utility model, the components of the device are movably connected to save time for replacing the vertical plug or the guide tube. The entire mechanism can be quickly installed and disassembled on the base. If a fault occurs, time is saved for solving the fault.

[0015] 3. The utility model device utilizes the principles of buoyancy and leverage, and selects counterweights and vertical plugs of different materials. The counterweight is attached to the liquid surface. The vertical plug is driven to reciprocate up and down by the up and down movement of the liquid level, thereby achieving the purpose of automatically controlling the flow rate of aluminum liquid. The control is simple, the operation is convenient, and the labor cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0017] In the figure: 1. guide pipe; 2. flow channel; 3. vertical plug; 4. bracket; 5. counterweight; 6. aluminum storage tank; 7. liquid level sensor; 8. controller; 9. signal transceiver. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model provides Figure 1The device for automatically controlling the flow rate of silicon nitride aluminum liquid shown in the figure comprises a guide tube 1, a flow trough 2, a vertical plug 3, a bracket 4, a counterweight 5, an aluminum storage tank 6, a liquid level sensor 7, a controller 8 and a signal transceiver 9; the guide tube 1 is detachably connected to the bottom end of the flow trough 2, the vertical plug 3 is arranged at the front end of the bracket 4 and is connected and placed directly above the guide tube 1, the bottom of the bracket 4 is connected to the counterweight 5, the counterweight 5 floats above the aluminum liquid in the aluminum storage tank 6, the liquid level sensor 7 is detachably connected to the flow trough 2, and the controller 8 and the signal transceiver 9 are both detachably connected to the bracket 4; when there is no aluminum liquid in the aluminum storage tank 6, the counterweight 5 moves downward to drive the vertical plug 3, and the vertical plug 3 moves in the opposite direction to expose the channel of the guide tube 1 upward, and the aluminum liquid flows into the aluminum storage tank 6 through the guide tube 1. The vertical plug 3 and the guide tube are made of high-temperature resistant silicon nitride material and are made using modern industrial ceramic sintering technology. Ultimately, the product has the characteristics of wear resistance, non-sticking to aluminum, and long service life. In the utility model, active connections are used between the components of the device to save time for replacing the vertical plug or the guide tube. The entire mechanism can be quickly installed and disassembled on the base. If a fault occurs, time is saved to solve the fault. The utility model device uses buoyancy and lever principles, etc., and selects counterweights 5 and vertical plugs 3 of different materials. The counterweight 5 is attached to the liquid surface, and the vertical plug is driven to reciprocate up and down through the up and down movement of the liquid level, thereby achieving the purpose of automatically controlling the flow rate of the aluminum liquid. The control is simple, the operation is convenient, and the labor cost is saved. The liquid level sensor 7 is used as a detection component inside the flow tank 2 to monitor the liquid level of the aluminum liquid in real time. These data will be transmitted to the controller 8, and the controller 8 will transmit the information to the user through the signal transceiver 9 to facilitate the execution of corresponding flow adjustments.

[0020] The vertical plug 3 and the guide tube 1 are both made of high temperature resistant silicon nitride. The vertical plug 3 and the guide tube 1 are made of high temperature resistant silicon nitride, which has the advantages of high temperature resistance, high strength, not easy to stick to aluminum, no pollution to aluminum liquid, and long service life.

[0021] The contact surface between the vertical plug 3 and the flow guide tube 1 is changed from the common line contact to the surface contact, which makes it easier to control the flow rate of the molten aluminum.

[0022] The bracket 4 is composed of a base, a vertical bracket and a horizontal bracket. The base is fixed on the flow channel 2. The vertical bracket and the base can be quickly plugged in and out, and the vertical bracket and the horizontal bracket can be quickly plugged in and out.

[0023] The material of the counterweight 5 is aluminum silicate. The material of the counterweight 5 is selected and the size and weight are calculated. The aluminum silicate material is not easy to stick to aluminum. It can float in the aluminum liquid. By using buoyancy and lever mechanism, the flow of aluminum liquid can be permanently and automatically controlled without the use of electricity or other energy sources.

[0024] An emergency aluminum discharge port is provided at the front end of the flow trough 2. When a fault occurs, excess aluminum liquid can be discharged through the emergency aluminum discharge port to achieve the purpose of protecting personnel and other equipment.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic flow control device for aluminum silicon nitride liquid, characterized in that: It comprises a flow guide pipe (1), a flow trough (2), a vertical plug (3), a bracket (4), a counterweight (5), an aluminum storage tank (6), a liquid level sensor (7), a controller (8) and a signal transceiver (9); The guide tube (1) is detachably connected to the bottom end of the flow trough (2); the vertical plug (3) is arranged at the front end of the bracket (4) and is placed directly above the guide tube (1); the bottom of the bracket (4) is connected to a counterweight (5); the counterweight (5) floats above the aluminum liquid in the aluminum storage tank (6); the liquid level sensor (7) is detachably connected to the flow trough (2); and the controller (8) and the signal transceiver (9) are both detachably connected to the bracket (4); When there is no aluminum liquid in the aluminum storage tank (6), the counterweight (5) moves downward to drive the vertical plug (3), and the vertical plug (3) moves in the opposite direction to expose the channel of the guide tube (1) upward, and the aluminum liquid flows into the aluminum storage tank (6) through the guide tube (1); When the aluminum liquid in the aluminum storage tank (6) increases to a required liquid level, the counterweight (5) is driven to move upward, and the vertical plug (3) moves downward, thereby achieving the goal of controlling the flow rate of the aluminum liquid.

2. The automatic flow control device for aluminum silicon nitride liquid according to claim 1, characterized in that: The vertical plug (3) and the flow guide pipe (1) are both made of high temperature resistant silicon nitride.

3. The automatic flow control device for aluminum silicon nitride liquid according to claim 1 is characterized in that: The vertical plug (3) is in surface contact with the flow guide tube (1), making it easier to control the flow rate of the aluminum liquid.

4. The automatic flow control device for aluminum silicon nitride liquid according to claim 1, characterized in that: The support (4) is composed of a base, a vertical support and a horizontal support. The base is fixed on the flow channel (2). The vertical support and the base can be quickly plugged in and out, and the vertical support and the horizontal support can be quickly plugged in and out.

5. The automatic flow control device for aluminum silicon nitride liquid according to claim 1, characterized in that: The counterweight (5) is made of aluminum silicate material.

6. The automatic flow control device for aluminum silicon nitride liquid according to claim 1, characterized in that: The front end of the flow channel (2) is provided with an emergency aluminum discharge port.

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