Spray bag device

Abstract

A spray bag device includes a shell, a spray cup assembly disposed in the shell, and a cover plate disposed on the shell, wherein a heating device is disposed on the side of the shell, a first through hole is disposed on the cover plate for placing a funnel, and a first mounting port is disposed at the bottom of the shell. The spray cup assembly includes an outer shell, a baffle and a spray cup, wherein the outer shell is disposed in the shell, and a second mounting port is disposed at the bottom of the outer shell. The spray cup is fixed on the outer shell and partially mounted in the first mounting port and the second mounting port. The baffle is disposed above the spray cup and fixed in the shell, and a flow port is disposed on the baffle. The molten steel injected by the funnel flows into the spray cup through the flow port. The spray bag device also includes a monitoring device, which is disposed on the cover plate and is used to monitor the temperature and flow rate of the molten steel. The above-mentioned spray bag device adopts a spray cup integrated structure design to improve production stability and ensure the quality of amorphous strip.

Description

Technical Field

[0001] The invention relates to the field of amorphous alloy strip preparation, and in particular to a spraying device. Background Art

[0002] Amorphous alloy strips are widely used in many fields due to their excellent physical properties. The preparation process of amorphous alloy strips is mainly based on rapid cooling and solidification. In the production process, molten steel is injected into a spray bag, and the spray bag sprays the melted amorphous base steel liquid through the nozzle on the spray bag at a constant temperature and constant pressure to the surface of the high-speed rotating water-cooled roller of the strip making machine, continuously forming an amorphous strip of a certain thickness. The current spray bag structure is complex, such as the plug rod mechanism, with many parts, long time consumption, high cost, and it is necessary to bond a variety of parts made of refractory materials. It relies heavily on the bonding effect during high-temperature use, and it is easy to leak molten steel, which poses a great safety hazard. Summary of the invention

[0003] In view of this, it is necessary to provide a spray bag device with simple structure and stable production.

[0004] A spray bag device comprises a shell, a spray cup assembly arranged in the shell and a cover plate arranged on the shell, wherein a heating device is arranged on the side of the shell, a first through hole is arranged on the cover plate for placing a funnel to inject molten steel into the spray cup assembly, a first mounting port is arranged at the bottom of the shell, the spray cup assembly comprises an outer shell, a baffle and a spray cup, the outer shell is arranged in the shell, a second mounting port is arranged at the bottom of the outer shell, the spray cup is fixed on the outer shell and partially installed in the first mounting port and the second mounting port, the baffle is arranged above the spray cup and fixed in the shell, a flow port is arranged on the baffle, and the molten steel injected by the funnel flows into the spray cup through the flow port, and the spray bag device also comprises a monitoring device, which is arranged on the cover plate and is used to monitor the temperature and flow rate of the molten steel.

[0005] Furthermore, the baffle includes a first baffle and a second baffle, the first baffle and the second baffle are respectively fixed on two opposite inner walls of the shell, the second baffle is located above the first baffle, and a filter is provided on the flow port between the first baffle and the second baffle.

[0006] Furthermore, the spray cup assembly also includes an isolation plate, which is vertically arranged on the first baffle plate, and a fourth through hole is provided at the bottom of the isolation plate for guiding the molten steel to the other side of the isolation plate.

[0007] Furthermore, the spray cup includes a mounting portion and a clamping portion, the mounting portion is arranged in the first mounting port and the second mounting port, a nozzle is provided at the bottom of the mounting portion, the top of the mounting portion is connected to the bottom of the clamping portion, both ends of the bottom of the clamping portion are fixed to both sides of the second mounting port, and an arc is provided at the top of the clamping portion.

[0008] Furthermore, a movable plate is provided at the bottom of the shell, and the movable plate is installed on both sides of the first installation opening, and both sides of the shell are supported by the movable plate.

[0009] Furthermore, the monitoring device includes a temperature monitoring device and a float rod, the cover plate also includes a second through hole and a third through hole, the float rod is inserted into the second through hole, a marking device is provided around the float rod or a scale is provided on the float rod, the marking device and the scale correspond to represent the flow rate of the molten steel, and the temperature monitoring device is arranged in the third through hole to monitor the temperature of the molten steel injected into the outer shell.

[0010] Furthermore, the temperature monitoring device includes a thermocouple or an infrared detector or a combination of the two.

[0011] Furthermore, positioning pin holes or bolts are provided on both sides of the shell. The positioning pin holes or bolts are located on the side of the shell near one end of the top thereof, and are used to fix the spray bag device on the package vehicle to reduce the shaking of the spray bag.

[0012] Furthermore, the spray bag device also includes a heat-insulating component, which includes adjacently arranged heat-insulating cotton and heat-insulating walls, and the heat-insulating cotton and heat-insulating walls are arranged in the shell and located between the shell and the outer shell.

[0013] Furthermore, the heating device passes through the shell, the insulation cotton and the insulation wall and is arranged close to the outer shell.

[0014] The above-mentioned spray package device adopts an integrated spray cup structure design, which reduces production costs, reduces bonding structures, reduces dependence on bonding effects during high-temperature use, improves production stability, and sets a monitoring device to ensure that the temperature and flow rate of the molten steel meet production requirements, thereby ensuring the quality of the amorphous strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional schematic diagram of a spray bag device in one embodiment of the present invention.

[0016] Figure 2 Schematic diagram of the structure of the bottom of the shell in one embodiment of the present invention.

[0017] Main component symbols

[0018]

[0019]

[0020] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0022] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time.

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

[0024] See also Figure 1 , Figure 1 The spraying device 100 is used to spray out the melted amorphous base steel liquid and cooperate with the cold roller to form an amorphous strip. The spraying device 100 includes a housing 10, a spray cup assembly 20, a monitoring assembly 30 and a heat preservation assembly 40, and the spray cup assembly 20, the monitoring assembly 30 and the heat preservation assembly 40 are all installed on the housing 10.

[0025] In one embodiment, the shell 10 is a rectangular parallelepiped, and the top of the shell 10 is open. A cover plate 11 is provided on the top of the shell 10 to seal the top of the shell 10, and the cover plate 11 is fixed to the shell 10 by bolts. In one embodiment, another metal cover plate is further provided on the cover plate 11, and is fixed to the shell 10 by bolts. The cover plate 11 is provided with a first through hole 111, a second through hole 112, and a third through hole 113 that penetrate the cover plate 11 in sequence, and the first through hole 111 is used to install a funnel 12, and the funnel 12 is used to add melted amorphous base steel liquid. The second through hole 112 and the third through hole 113 are used to install the monitoring component 30. Please refer to Figure 2The shell 10 has a first mounting opening 15 at the bottom, the movable plate 14 is adapted to the structures on both sides of the first mounting opening 15 , the movable plate 14 is installed on the opposite sides of the first mounting opening 15 , and the spray cup assembly 20 is partially disposed in the first mounting opening 15 .

[0026] The two opposite sides of the shell 10 are provided with positioning pin holes 16 and jacks. The positioning pin holes 16 are located at one end of the side of the shell 10 near the top thereof, and are used to fix the spray bag device 100 on the package vehicle, reduce the phenomenon of slight shaking of the spray bag, and improve production stability. In one embodiment, the positioning pin holes 16 can be replaced by bolts or other positioning devices. A heating device 17 is provided in the jack, and the heating device 17 passes through the shell 10 and the insulation component 40 and is arranged near the spray cup component 20. The heating device 17 is used to heat and insulate the amorphous parent steel liquid in the spray cup component 20 to ensure the temperature required for its processing technology. In one embodiment, the heating device 17 is arranged in an array on the side of the shell 10 in sequence. The heating device 17 is a silicon carbon rod. By utilizing the high-temperature electrothermal performance of the silicon carbon rod, the silicon carbon rod can be connected to electricity when in use to generate high temperature for heating the spray cup component 20 and adjusting and maintaining the temperature of the amorphous parent steel liquid. In other embodiments, the heating device 17 can also be an induction heating device.

[0027] The spray cup assembly 20 includes a housing 21, a baffle 22, a partition plate 23, and a spray cup 24. The housing 21 is disposed between the cover plate 11 and the movable plate 14, the baffle 22 is fixed in the housing 21, the partition plate 23 is fixed on the baffle 22, and the spray cup 24 is fixed on the housing 21.

[0028] The shell 21 is disposed in the shell 10, and opposite sides of the shell 21 are disposed near the heating device 17. In one embodiment, the shell 21 is substantially a rectangular parallelepiped, the top of the shell 21 is open, the cover plate 11 is disposed against the top of the shell 21, the bottom of the shell 21 is provided with a second mounting port 211 for placing the spray cup 24, the bottom of the shell 21 is disposed at the bottom of the shell, wherein opposite sides of the bottom of the shell 21 are disposed on the movable plate 14, and when molten steel flows into the shell 10, the movable plate 14 is directly replaced, thereby effectively improving the utilization rate of the shell 10.

[0029] The baffle 22 is provided with a flow port for allowing the molten steel to flow into the spray cup 24. In one embodiment, the baffle 22 includes a first baffle 221 and a second baffle 222, and the first baffle 221 and the second baffle 222 are respectively fixed on two opposite inner walls of the shell 21. One side of the first baffle 221 and the two sides adjacent to the side are vertically fixed to the inner wall of the shell 21, and the other side is connected to the second baffle 222 through a filter 223. The second baffle 222 is arranged roughly parallel to the top of the first baffle 221, one side of the second baffle 222 is connected to the filter 223, and the other side and the two sides adjacent to the side are fixed to the inner wall of the shell 21. The filter 223 is used to filter impurities in the molten steel, improve the quality of the molten steel, reduce the inflow of tiny impurities in the molten steel, reduce the risk of clogging the spray cup 24, and ensure the quality of the amorphous strip. In one embodiment, the second baffle 222 is set as a filter structure. The first baffle 221, the second baffle 222 and the housing 21 form a flow space so that the molten steel flows into the spray cup 24 after being filtered. In one embodiment, the length of the first baffle 221 is longer than that of the second baffle 222, and the filter screen 223 is made of refractory material. It can be understood that the spray cup assembly 20 is made of refractory material.

[0030] One side of the isolation plate 23 is roughly vertically arranged on the first baffle 221, and the two sides adjacent to this side are fixed to the inner wall of the outer shell 21. The isolation plate 23 is located between the first through hole 111 and the second through hole 112 in the vertical direction. A fourth through hole 231 is provided at the bottom of the isolation plate 23 for guiding the molten steel to the other side of the isolation plate 23 to facilitate monitoring by the monitoring component 30.

[0031] The spray cup 24 includes an integrally arranged holding portion 241 and a mounting portion 242, wherein the holding portion 241 and the mounting portion 242 are connected and arranged, and the width of the holding portion 241 is wider than that of the mounting portion 242. The two ends of the bottom of the holding portion 241 abut against the bottom of the housing 21 and are bonded by a bonding material. In one embodiment, the holding portion 241 is provided with a diaphragm to change the flow direction of the molten steel and prevent the molten steel in the holding portion 241 from directly flowing into and colliding with the internal materials. The holding portion 241 is roughly a rectangular parallelepiped, and an arc bend 2411 is provided at the top of the holding portion 241, and the arc bend 2411 is used to accelerate the flow speed of the molten steel. The mounting portion 242 is roughly a rectangular parallelepiped, and the mounting portion 242 is arranged in the first mounting port 15 and the second mounting port 211. A third mounting port is provided at the bottom of the mounting portion 242 for installing a nozzle 243. The molten steel flowing into the spray cup 24 is sprayed out through the nozzle 243 and continuously forms an amorphous strip of a certain thickness onto the surface of the high-speed rotating water-cooled roller.

[0032] The monitoring assembly 30 includes a temperature monitoring device 31 and a float rod 32. The temperature monitoring device 31 is installed in the third through hole 113 to monitor the temperature of the molten steel injected into the shell 21. In one embodiment, the temperature monitoring device 31 is a thermocouple. In other embodiments, the temperature monitoring device 31 can also be an infrared temperature detector or a combination of a thermocouple and an infrared temperature detector. The float rod 32 is inserted into the second through hole 112. The float rod 32 located outside the shell 21 is provided with a corresponding scale. The scale corresponds to the flow rate of the molten steel. When processing different types of amorphous strips, the float rod 32 is controlled to remain at the corresponding scale according to the process requirements. One end of the float rod 32 located in the shell 21 is arranged adjacent to the baffle 22. In one embodiment, a marking device is provided around the float rod 32 to determine the position of the float rod 32. The amorphous base material molten steel is injected into the outer shell 21 from the funnel 12, and the molten steel flows into the side where the float rod 32 is located through the fourth through hole 231 at the bottom of the isolation plate 23. The temperature monitoring device 31 monitors the temperature of the inflowing molten steel, and the float rod 32 displays whether it meets the process flow rate requirements through the corresponding scale.

[0033] The insulation component 40 includes an insulating cotton 41 and an insulating wall 42 which are arranged adjacent to each other. The insulating cotton 41 and the insulating wall 42 are arranged in the shell 10 and between the shell 10 and the outer shell 21. The insulating cotton 41 is arranged on a side close to the shell 10, and the insulating wall 42 is arranged on a side close to the outer shell 21. In one embodiment, the tops of the insulating cotton 41 and the insulating wall 42 are fixed with two layers of high-alumina bricks laid with high-temperature glue. The two ends of the insulating cotton 41 and the insulating wall 42 are fixed by the bottom of the shell 10 and the cover plate 11. The insulating cotton 41 and the insulating wall 42 are used to keep the temperature inside the outer shell 21 warm. In one embodiment, the insulating cotton 41 is an aluminum silicate fiber cotton layer, and the insulating wall 42 is made of refractory material.

[0034] The above-mentioned spray package device adopts an integrated spray cup structure design, which reduces production costs, reduces bonding structures, adds filters, improves the quality of molten steel, reduces tiny impurities in the molten steel from flowing into the nozzle and affecting the quality of the strip, and effectively reduces equipment damage and safety problems caused by nozzle blockage.

[0035] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection claimed by the present invention.

Claims

1. A spraying device, comprising a shell, a spray cup assembly arranged in the shell, and a cover plate arranged on the shell, a heating device is arranged on the side of the shell, and a first through hole is arranged on the cover plate for placing a funnel to inject molten steel into the spray cup assembly, characterized in that: The shell body is provided with a first mounting port at the bottom, the spray cup assembly includes a shell, a baffle and a spray cup, the shell is arranged in the shell, the shell body is provided with a second mounting port at the bottom, the spray cup is fixed on the shell and partially mounted in the first mounting port and the second mounting port, the baffle is arranged above the spray cup and fixed in the shell, the baffle is provided with a flow port, the molten steel injected by the funnel flows into the spray cup through the flow port, the spray bag device also includes a monitoring device, the monitoring device is arranged on the cover plate, and is used to monitor the temperature and flow rate of the molten steel; The baffle includes a first baffle and a second baffle, the first baffle and the second baffle are respectively fixed on two opposite inner walls of the shell, the second baffle is arranged above the first baffle in parallel, the first baffle and the second baffle are connected by a filter screen, and along the gravity direction, the part of the funnel extending into the shell is separated from the filter screen; The spray cup assembly also includes an isolation plate, which is vertically arranged on the first baffle plate. The monitoring device includes a float rod. The cover plate also includes a second through hole, and the float rod is inserted into the second through hole. A marking device is arranged around the float rod or a scale is arranged on the float rod. The marking device and the scale correspond to represent the flow rate of the molten steel. A fourth through hole is arranged at the bottom of the isolation plate for guiding the molten steel to the side where the float rod is located.

2. The spray bag device according to claim 1, characterized in that: The spray cup includes a mounting portion and a clamping portion, wherein the mounting portion is arranged in the first mounting opening and the second mounting opening, a nozzle is arranged at the bottom of the mounting portion, the top of the mounting portion is connected to the bottom of the clamping portion, two ends of the bottom of the clamping portion are fixed to two sides of the second mounting opening, and an arc is arranged at the top of the clamping portion.

3. The spray bag device according to claim 1, characterized in that: A movable plate is provided at the bottom of the shell body. The movable plate is installed on two sides of the first installation opening. Two sides of the shell body are supported by the movable plate.

4. The spray bag device according to claim 1, characterized in that: The monitoring device includes a temperature monitoring device and a float rod. The cover plate also includes a second through hole and a third through hole. The float rod is inserted into the second through hole. A marking device is provided around the float rod or a scale is provided on the float rod. The marking device and the scale correspond to represent the flow rate of the molten steel. The temperature monitoring device is arranged in the third through hole to monitor the temperature of the molten steel injected into the outer shell.

5. The spray bag device according to claim 4, characterized in that: The temperature monitoring device includes a thermocouple or an infrared detector or a combination of the two.

6. The spray bag device according to claim 1, characterized in that: Both sides of the shell are provided with positioning pin holes or bolts. The positioning pin holes or bolts are located at one end of the side of the shell close to its top and are used to fix the spray bag device on the package vehicle to reduce the shaking of the spray bag.

7. The spray bag device according to claim 1, characterized in that: The spray bag device also includes a heat-insulating component, which includes heat-insulating cotton and a heat-insulating wall that are adjacently arranged. The heat-insulating cotton and the heat-insulating wall are arranged in the shell and are located between the shell and the outer shell.

8. The spray bag device according to claim 7, characterized in that: The heating device passes through the shell, the heat insulation cotton and the heat insulation wall and is arranged close to the outer shell.

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