Liquid transfer pipe cleaning device

Abstract

The utility model relates to the field of liquid transfer pipe cleaning devices in smelting, which comprises a liquid transfer pipe, a bearing device of the liquid transfer pipe, a return pipe, a bearing device of the return pipe, a heating furnace, a suction pump and a controller. One of the two openings of the liquid transfer pipe is communicated with an outlet of the suction pump through a butt joint sleeve, the other opening of the liquid transfer pipe extends into the funnel, the backflow pipe is installed on the side wall of a furnace body with a heat preservation layer of the heating furnace through a backflow pipe support, one of the two openings of the backflow pipe is communicated with the funnel, and the other opening of the backflow pipe extends into the heating furnace to be communicated with a crucible. The heating furnace comprises a furnace body with a heat preservation layer, a crucible, a heating layer and a sealing cover, during work, a molten cleaning agent in the crucible flows through an inner pipe of the liquid transfer pipe through an outlet of the suction pump and flows back to the crucible through a backflow pipe by means of the funnel, and the purpose of cleaning the liquid transfer pipe is achieved in a circulating mode. The dredging is more thorough and safer, and the operation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of light alloy smelting and die-casting production, in particular to a maintenance and dredging device for light alloy smelting and casting equipment. Background Art

[0002] The purpose of the utility model is to address the current light alloy smelting equipment, in which the transfer tube usually has a narrow gate, and its external and special curved shape causes oxidation of the melt in the inner tube and deposition of impurities, making it difficult to provide high-quality light alloy melt. Manual dredging and cleaning are used in production, but the efficiency is low and the labor intensity is high. High-temperature operations are dangerous and the cleaning is not thorough, making it difficult to achieve large-scale production. Therefore, it is urgently needed to develop an automatic cleaning device for the transfer tube to provide equipment and process guarantees for large-scale continuous production of light alloys. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the present invention provides a liquid transfer pipe cleaning device that can achieve complete automatic dredging and cleaning of liquid transfer pipes of various shapes, ensure the quality of light alloy, improve the efficiency of consumable parts, and save costs. To achieve the above-mentioned purpose, the technical solution of the present invention is as follows:

[0004] A liquid transfer pipe cleaning device comprises a liquid transfer pipe and its supporting device, a reflux pipe and its supporting device, a heating furnace, a suction pump, various sensors and controllers, wherein the liquid transfer pipe and the reflux pipe are placed on their supporting device, the supporting device is connected to the outer shell of the heating furnace and supports the liquid transfer pipe and the reflux pipe together with the heating furnace, one of the two openings of the liquid transfer pipe (7) is connected to the outlet (14) of the suction pump through a docking sleeve (15), and the other opening extends into the funnel (17), one of the two openings of the reflux pipe (6) is connected to the bottom of the funnel (17), and the other opening extends into the heating furnace and communicates with the crucible (12), preferably, when cleaning is required, the suction pump installed on the heating furnace sucks the cleaning agent in the heating furnace into the liquid transfer pipe to clean it, and then flows back to the heating furnace through the reflux pipe for cyclic cleaning.

[0005] The liquid transfer tube (7) and its supporting device include a bracket (1) with rollers, a bracket (2), a bracket (3), a docking sleeve (15) and a plurality of Y-shaped support grooves (8). The liquid transfer tube (7) to be cleaned is placed on the Y-shaped support groove (8) by a forklift. The docking sleeve (15) is covered by a safety cover (16) installed on the sealing cover (13). The Y-shaped support grooves (8) are distributed on the bracket (2) and the bracket (3). The bracket (3) is connected to the heating furnace (22) through a twisted support connection seat (20), and the bracket (3) can rotate horizontally around the twisted support connection seat (20).

[0006] The return pipe and its supporting device include a return pipe (6) and a bracket (4). The return pipe (6) is installed on the side wall of the furnace body with a heat insulation layer through its bracket (4). The bracket (4) can rotate up and down around the connecting seat of the furnace body side wall.

[0007] The heating furnace (22) comprises a furnace shell (10) with an insulation layer, a crucible (12), a heating layer (11) and a sealing cover (13). The sealing cover (13) is also equipped with a thermocouple (9) and a material door (19). A leakage detection probe (18) is also provided at the bottom of the heating furnace (22). The suction pump (21) is fixed to the sealing cover (13) through a mounting flange, and the mounting ports of each sensor remain sealed.

[0008] The liquid transfer pipe (7) and the reflux pipe (6) are provided with an inner pipe and an outer pipe, a heat-insulating filler is filled between the inner pipe and the outer pipe, and a heating resistor is wrapped around the outer wall of the inner pipe to connect a heating power supply and a temperature-measuring thermocouple.

[0009] The various sensors include a liquid leakage probe (18) and a thermocouple (9) installed in the heating furnace, which are connected to the controller via communication. The controller is also connected to the suction pump and the temperature control system of the heating furnace via communication.

[0010] The effects of the utility model are: (1) using a special light alloy cleaning solvent to eliminate oxides and impurities generated during the use of the transfer tube, reducing or avoiding the introduction of impurities into the product; (2) reducing the equipment scrap rate and improving the automation level and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0012] Figure 1 It is a top view of the cleaning device of the utility model when it is working.

[0013] Figure 2 Schematic diagram of the position relationship between the cleaning device and the liquid transfer tube.

[0014] Figure 3 It is a schematic diagram of the position relationship between the cleaning device and the return pipe.

[0015] In the figure, 1. Bracket 1 2. Bracket 2 3. Bracket 3 4. Bracket 6. Reflux pipe 7. Liquid transfer pipe 8. Y-shaped support groove 9. Thermocouple 10. Furnace shell 11. Heating layer 12. Crucible 13. Sealing cover 14. Pump outlet 15. Docking sleeve 16. Safety cover 17. Funnel 18. Leakage detection probe 19. Material door 20. Twisted support connector 21. Suction pump 22. Heating furnace. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] In order to more fully explain the implementation of the present invention, the following embodiments of the present invention are provided. These embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. The present invention is further explained in detail with reference to the accompanying drawings.

[0018] like Figure 1 As shown, the liquid transfer pipe cleaning device includes a liquid transfer pipe and its supporting device, a reflux pipe and its supporting device, a heating furnace, a suction pump, various sensors and controllers, the liquid transfer pipe and the reflux pipe are placed on their supporting device, the supporting device is connected to the shell of the heating furnace and supports the liquid transfer pipe and the reflux pipe together with the heating furnace, one of the two openings of the liquid transfer pipe (7) is connected to the suction pump outlet (14) through a docking sleeve (15), and the other opening extends into the funnel (17), one of the two openings of the reflux pipe (6) is connected to the bottom of the funnel (17), and the other opening extends into the heating furnace and communicates with the crucible (12), preferably, when cleaning is required, the suction pump installed on the heating furnace sucks the cleaning agent in the heating furnace into the liquid transfer pipe to clean it, and then flows back to the heating furnace through the reflux pipe for repeated cleaning.

[0019] like Figure 2 As shown, the liquid transfer tube (7) and its supporting device include a bracket (1) with rollers, a bracket (2), a bracket (3), a docking sleeve (15) and a plurality of Y-shaped support grooves (8). The liquid transfer tube (7) to be cleaned is placed on the Y-shaped support groove (8) by a forklift. The docking sleeve (15) is covered by a safety cover (16) installed on the sealing cover (13). The Y-shaped support grooves (8) are distributed on the bracket (2) and the bracket (3). The bracket (3) is connected to the heating furnace (22) through a twisted support connection seat (20), and the bracket (3) can rotate horizontally around the twisted support connection seat (20).

[0020] Preferably, the liquid transfer pipe (7) to be cleaned is hoisted by a crane or a plug-in vehicle and placed in the Y-shaped support groove (8). When there is no liquid transfer pipe to be cleaned, the opening of the funnel (17) and the opening of the protective cover (16) are closed.

[0021] like Figure 3 As shown, the return pipe and its supporting device include a return pipe (6) and a bracket (4) thereof. The return pipe (6) is installed on the side wall of the furnace body with the heat insulation layer through its bracket (4). The bracket (4) can rotate up and down around the connecting seat of the side wall of the furnace body.

[0022] Preferably, the reflux pipe (6) is supported by the Y-shaped support groove (8) and is positioned lower than the liquid transfer pipe (7).

[0023] like Figure 2-Figure 3 As shown, the heating furnace (22) includes a furnace shell (10) with an insulation layer, a crucible (12), a heating layer (11) and a sealing cover (13). The sealing cover (13) is also equipped with a thermocouple (9) and a material door (19). A leakage detection probe (18) is also provided at the bottom of the heating furnace (22). In addition, the suction pump (21) is fixed to the sealing cover (13) through a mounting flange, and the mounting ports of each sensor remain sealed.

[0024] like Figure 1-3 As shown, the liquid transfer pipe (7) and the reflux pipe (6) are provided with an inner pipe and an outer pipe, a heat-insulating filler is filled between the inner pipe and the outer pipe, and a heating resistor is wrapped around the outer wall of the inner pipe to connect a heating power supply and a temperature measuring thermocouple.

[0025] The various sensors include a liquid leakage probe (18) and a thermocouple (9) installed in the heating furnace, which are connected to the controller via communication. The controller is also connected to the suction pump and the temperature control system of the heating furnace via communication.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Liquid transfer pipe cleaning device, characterized by: The invention comprises a liquid transfer pipe and its supporting device, a reflux pipe and its supporting device, a heating furnace, a suction pump, various sensors and a controller. The liquid transfer pipe and the reflux pipe are placed on their supporting device. The supporting device is connected to the shell of the heating furnace and supports the liquid transfer pipe and the reflux pipe together with the heating furnace. One of the two openings of the liquid transfer pipe (7) is connected to the outlet (14) of the suction pump through a docking sleeve (15), and the other opening extends into the funnel (17). One of the two openings of the reflux pipe (6) is connected to the bottom opening of the funnel (17), and the other opening extends into the heating furnace and communicates with the crucible (12).

2. The liquid transfer pipe cleaning device according to claim 1, characterized in that: The liquid transfer tube (7) and its supporting device include a bracket (1) with rollers, a bracket (2), a bracket (3), a docking sleeve (15) and a plurality of Y-shaped support grooves (8). The liquid transfer tube (7) to be cleaned is placed on the Y-shaped support groove (8) by a forklift. The docking sleeve (15) is covered by a safety cover (16) installed on the sealing cover (13). The Y-shaped support grooves (8) are distributed on the bracket (2) and the bracket (3). The bracket (3) is connected to the heating furnace (22) through a twisted support connection seat (20), and the bracket (3) can rotate horizontally around the twisted support connection seat (20).

3. The liquid transfer pipe cleaning device according to claim 1, characterized in that: The return pipe and its supporting device include a return pipe (6) and a bracket (4). The return pipe (6) is installed on the side wall of the furnace body with a heat insulation layer through its bracket (4). The bracket (4) can rotate up and down around the connecting seat of the furnace body side wall.

4. The liquid transfer pipe cleaning device according to claim 1, characterized in that: The heating furnace (22) comprises a furnace shell (10) with an insulation layer, a crucible (12), a heating layer (11) and a sealing cover (13). The sealing cover (13) is also equipped with a thermocouple (9) and a material door (19). A leakage detection probe (18) is also provided at the bottom of the heating furnace (22). The suction pump (21) is fixed to the sealing cover (13) through a mounting flange, and the mounting ports of each sensor remain sealed.

5. The liquid transfer pipe cleaning device according to claim 1, characterized in that: The liquid transfer pipe (7) and the reflux pipe (6) are provided with an inner pipe and an outer pipe, a heat-insulating filler is filled between the inner pipe and the outer pipe, and a heating resistor is wrapped around the outer wall of the inner pipe to connect a heating power supply and a temperature-measuring thermocouple.

6. The liquid transfer pipe cleaning device according to claim 1, characterized in that: The various sensors include a liquid leakage probe (18) and a thermocouple (9) installed in the heating furnace, which are connected to the controller via communication. The controller is also connected to the suction pump and the temperature control system of the heating furnace via communication.

Images