Conveying device for recycling and reprocessing metallurgical slag

Abstract

The utility model discloses a conveying device for recycling and reprocessing metallurgical slag, and relates to the technical field of conveying devices, the conveying device comprises a shell assembly with a conveying cylinder, a conveying assembly and a water circulation assembly, the shell assembly further comprises a plugging ring block, an upper supporting ring block and an outer cooling cylinder; the outer cooling cylinder is fixed to the outer side of the blocking ring block and the outer side of the upper supporting ring block and completely wraps the conveying cylinder. A cavity between the outer cooling cylinder and the conveying cylinder is used for providing a cooling water flowing space for heat dissipation of the conveying cylinder. The water circulation assembly is used for achieving circulating flow of cooling water. Through the arrangement of the outer cooling cylinder and the water circulation assembly, cooling of slag and cooling operation of the whole device can be achieved, the device can keep a good operation temperature, and the phenomenon that due to the fact that the temperature is too high, parts deform, and operation faults are generated is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying devices, and specifically relates to a conveying device for the recycling and reprocessing of metallurgical slag. Background Art

[0002] Metallurgical slag is various solid wastes generated in the production process of the metallurgical industry. Slag is a kind of metallurgical slag and is a melt mainly composed of silicate minerals obtained during the blast furnace smelting of pig iron. The molten slag is directly poured into a water pool for cooling. The rapid cooling granulates the slag into small particles with potential hydraulicity, which is called granulated blast furnace slag or water slag.

[0003] Slag can be processed and utilized through methods such as fine grinding deep processing. For example, using a slag vertical mill to grind it into fine powder, which can be used for the production of building materials such as cement and concrete, and can also be used in fields such as road construction and backfilling.

[0004] During the recycling and processing of slag, a screw conveyor is needed for material conveying. The screw conveyor can convey the slag from one position to another through the rotation of the screw blades. However, in the actual operation process, when the screw conveyor conveys high-temperature slag, the screw conveyor will be heated and its temperature will rise. If not cooled in time, the internal parts of the screw conveyor will be deformed due to being in a high temperature for a long time, resulting in operation failures. Based on this, a conveying device for the recycling and reprocessing of metallurgical slag is provided. Content of the Utility Model

[0005] The purpose of the utility model is to provide a conveying device for the recycling and reprocessing of metallurgical slag to solve the problems in the above background.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A conveying device for the recycling and reprocessing of metallurgical slag, including a housing assembly with a conveying cylinder. The housing assembly also includes a sealing ring block, an upper support ring block, and an outer cooling cylinder.

[0007] The sealing ring block and the upper support ring block are symmetrically fixed on the outer sides of the upper and lower ends of the conveying cylinder. The outer cooling cylinder is fixed on the outer sides of the sealing ring block and the upper support ring block and completely wraps the conveying cylinder. The cavity between the outer cooling cylinder and the conveying cylinder is used to provide a flowing space for cooling water for the heat dissipation of the conveying cylinder.

[0008] A conveying assembly is distributed between the inner side of the conveying cylinder and the outer side of the outer cooling cylinder. The conveying assembly includes a driving motor, a conveying shaft, and screw blades.

[0009] The driving motor is installed at the bottom end of the outer cooling cylinder. The conveying shaft is connected to the output end of the driving motor and sequentially penetrates through the outer cooling cylinder, the conveying cylinder to the top of the outer cooling cylinder. And the conveying shaft is rotatably connected to the outer cooling cylinder and the conveying cylinder. The screw blades are distributed on the inner side of the conveying cylinder and fixed on the outer side of the conveying shaft.

[0010] A water circulation assembly is provided on the inner and outer sides of the outer cooling cylinder and the inner side of the conveying shaft, and the water circulation assembly is used to realize the circulating flow of cooling water.

[0011] As a further solution of the present utility model: the water circulation assembly includes a water inlet, a water outlet, a through port, a fan-shaped water channel, and an opening groove;

[0012] The water inlet and the water outlet are fixed at positions close to the bottom on the outer side of the outer cooling cylinder and are communicated with the inner cavity of the outer cooling cylinder, and the water inlet and the water outlet are symmetrically distributed with the sealing ring block as the center line;

[0013] The through port is opened at one end of the upper support ring block and penetrates to the other end of the upper support ring block;

[0014] The fan-shaped water channel is formed on the inner side of the conveying shaft, and the opening grooves are symmetrically opened at both outer ends of the conveying shaft and are communicated with the fan-shaped water channel. The two groups of opening grooves are respectively distributed at one end of the sealing ring block and the upper support ring block away from each other;

[0015] The path channel formed by the water inlet, the through port, the opening groove, the fan-shaped water channel, and the water outlet is used to realize the circulating flow of cooling water.

[0016] As a further solution of the present utility model: a plurality of the fan-shaped water channels are circumferentially arranged around the center line of the conveying shaft, and the number of the opening grooves matches the number of the fan-shaped water channels and the positions correspond one by one.

[0017] As a further solution of the present utility model: a plurality of the through ports are provided, and the plurality of through ports are evenly distributed in a circumferential manner on the end face of the upper support ring block.

[0018] As a further solution of the present utility model: the outer shell assembly further includes a feed hopper and a discharge port;

[0019] The feed hopper is fixed to the upper end of the conveying cylinder close to the bottom, the discharge port is fixed to the lower end of the conveying cylinder close to the top, and the feed hopper and the discharge port are communicated with the inner cavity of the conveying cylinder, and the feed hopper and the discharge port completely penetrate the outer cooling cylinder.

[0020] As a further solution of the present utility model: the flow rates of the water inlet and the water outlet match the overall flow rate of the plurality of water outlets.

[0021] Compared with the prior art, the beneficial effects of the present utility model are:

[0022] By providing the outer cooling cylinder and the water circulation assembly, the cooling of the slag and the overall cooling of the device can be realized, so that the device maintains a good operating temperature, effectively avoiding the phenomenon that the parts are deformed due to excessive temperature and causing operating failures. Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of the present utility model;

[0024] Figure 2 is a structural cross-sectional view of the outer cooling cylinder of the present utility model;

[0025] Figure 3 is another perspective view of the cross-section of the outer cooling cylinder of the present utility model;

[0026] Figure 4 is a structural cross-sectional view of the outer cooling cylinder and the conveying cylinder of the present utility model;

[0027] Figure 5 is an end cross-sectional view of the conveying shaft of the present utility model.

[0028] In the figure: 1. Housing assembly; 101. Conveying cylinder; 102. Feed hopper; 103. Sealing ring block; 104. Upper support ring block; 105. Outer cooling cylinder; 106. Discharge port; 2. Conveying assembly; 201. Driving motor; 202. Conveying shaft; 203. Spiral blade; 3. Water circulation assembly; 301. Water inlet; 302. Water outlet; 303. Through port; 304. Sector water channel; 305. Open slot. Detailed Embodiment

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1 to 5 , in the embodiment of the present utility model, a conveying device for metallurgical slag recycling and reprocessing includes a housing assembly 1 having a conveying cylinder 101. The housing assembly 1 further includes a sealing ring block 103, an upper support ring block 104, and an outer cooling cylinder 105;

[0031] The sealing ring block 103 and the upper support ring block 104 are symmetrically fixed to the outer sides of the upper and lower ends of the conveying cylinder 101. The outer cooling cylinder 105 is fixed to the outer sides of the sealing ring block 103 and the upper support ring block 104 and completely wraps the conveying cylinder 101. The cavity between the outer cooling cylinder 105 and the conveying cylinder 101 is used to provide a flowing space for cooling water for the heat dissipation of the conveying cylinder 101;

[0032] A conveying assembly 2 is distributed on the inner side of the conveying cylinder 101 and the outer side of the outer cooling cylinder 105. The conveying assembly 2 includes a driving motor 201, a conveying shaft 202, and a spiral blade 203;

[0033] The driving motor 201 is installed at the bottom end of the outer cooling cylinder 105. The conveying shaft 202 is connected to the output end of the driving motor 201 and sequentially penetrates through the outer cooling cylinder 105, the conveying cylinder 101 to the top of the outer cooling cylinder 105. And the conveying shaft 202 is rotatably connected to the outer cooling cylinder 105 and the conveying cylinder 101. The spiral blades 203 are distributed inside the conveying cylinder 101 and fixed to the outside of the conveying shaft 202.

[0034] A water circulation assembly 3 is arranged on the inner and outer sides of the outer cooling cylinder 105 and the inner side of the conveying shaft 202. The water circulation assembly 3 is used to realize the circulating flow of cooling water.

[0035] The water circulation assembly 3 includes a water inlet 301, a water outlet 302, a through port 303, a sector water channel 304, and an opening groove 305.

[0036] The water inlet 301 and the water outlet 302 are fixed at positions close to the bottom on the outer side of the outer cooling cylinder 105 and are communicated with the inner cavity of the outer cooling cylinder 105. The water inlet 301 and the water outlet 302 are symmetrically distributed with the sealing ring block 103 as the center line.

[0037] The through port 303 is opened at one end of the upper support ring block 104 and penetrates to the other end of the upper support ring block 104.

[0038] The sector water channel 304 is formed on the inner side of the conveying shaft 202. The opening grooves 305 are symmetrically opened at both outer ends of the conveying shaft 202 and are communicated with the sector water channel 304. The two groups of opening grooves 305 are respectively distributed at one end of the sealing ring block 103 and the upper support ring block 104 away from each other.

[0039] The path channel formed by the water inlet 301, the through port 303, the opening groove 305, the sector water channel 304, and the water outlet 302 is used to realize the circulating flow of cooling water.

[0040] The number of through ports 303 is set to be multiple, and the multiple through ports 303 are evenly distributed in a circle on the end face of the upper support ring block 104.

[0041] The housing assembly 1 further includes a feed hopper 102 and a discharge port 106.

[0042] The feed hopper 102 is fixed to the upper end of the conveying cylinder 101 close to the bottom, and the discharge port 106 is fixed to the lower end of the conveying cylinder 101 close to the top. And the feed hopper 102 and the discharge port 106 are communicated with the inner cavity of the conveying cylinder 101, and the feed hopper 102 and the discharge port 106 completely penetrate through the outer cooling cylinder 105.

[0043] In this embodiment: When the device is in use, slag falls into the interior of the conveying cylinder 101 through the feed hopper 102. At this time, the driving motor 201 is synchronously started, and the driving motor 201 drives the conveying shaft 202 and the spiral blade 203 to rotate. The rotating spiral blade 203 can drive the slag to move upward along the inner wall track of the conveying cylinder 101 to the discharge port 106 and be discharged through the discharge port 106. In this way, the operation of conveying the slag from a lower place to a higher place can be realized;

[0044] During this process, in order to realize the heat dissipation operation of the slag and the device, the water inlet 301 can be connected to an external cooling water tank through a pipeline and a water pump. The cooling water is conveyed to the water inlet 301 through the operation of the water pump and flows through the water inlet 301 to the space between the outer cooling cylinder 105 and the conveying cylinder 101. In this way, the cooling of the conveying cylinder 101 can be realized. As the cooling water increases, the liquid level of the cooling water rises to the upper support ring block 104 and passes through the through hole 303 on the upper support ring block 104 to contact the upper end of the conveying shaft 202. At this time, the cooling water flows into the internal fan-shaped water channel 304 through the upper opening groove 305 and flows downward along the track of the fan-shaped water channel 304 to the lower opening groove 305, flows out through the lower opening groove 305 to the inner cavity at the lower end of the outer cooling cylinder 105, and is finally discharged through the water outlet 302. In this way, the circulating flow of the cooling water can be realized;

[0045] The cooling water flowing through the internal fan-shaped water channel 304 can absorb heat from the conveying shaft 202. In this way, not only the temperature reduction of the slag can be realized, but also the overall temperature reduction operation of the device can be realized, so that the device maintains a good operating temperature, effectively avoiding the phenomenon of operation failure caused by part deformation due to too high temperature.

[0046] Please refer specifically to Figures 2 to 5 , a plurality of fan-shaped water channels 304 are arranged circumferentially around the center line of the conveying shaft 202, and the number of the opening grooves 305 matches the number of the fan-shaped water channels 304 and the positions correspond one by one.

[0047] In this embodiment: Through the plurality of annularly distributed fan-shaped water channels 304, while realizing uniform temperature reduction, the conveying shaft 202 has sufficient anti-deformation strength, thereby ensuring the stable operation of the equipment.

[0048] Please refer specifically to Figures 1 to 5 , the flow rates of the water inlet 301 and the water outlet 302 match the overall flow rate of the plurality of water outlets 302.

[0049] In this embodiment: Through this structure, the flow of the cooling water can be kept balanced.

[0050] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A conveying device for the recycling and reprocessing of metallurgical slag, comprising a housing assembly (1) having a conveying cylinder (101), characterized in that, The outer shell assembly (1) further includes a sealing ring block (103), an upper support ring block (104), and an outer cooling cylinder (105); The sealing ring block (103) and the upper support ring block (104) are symmetrically fixed to the outer sides of the upper and lower ends of the conveying cylinder (101). The outer cooling cylinder (105) is fixed to the outer sides of the sealing ring block (103) and the upper support ring block (104) and completely wraps the conveying cylinder (101). The cavity between the outer cooling cylinder (105) and the conveying cylinder (101) is used to provide a flowing space for cooling water for the heat dissipation of the conveying cylinder (101); A conveying assembly (2) is distributed on the inner side of the conveying cylinder (101) and the outer side of the outer cooling cylinder (105). The conveying assembly (2) includes a driving motor (201), a conveying shaft (202), and a spiral blade (203); The driving motor (201) is installed at the bottom end of the outer cooling cylinder (105). The conveying shaft (202) is connected to the output end of the driving motor (201) and sequentially penetrates through the outer cooling cylinder (105), the conveying cylinder (101) to the top of the outer cooling cylinder (105). The conveying shaft (202) is rotatably connected to the outer cooling cylinder (105) and the conveying cylinder (101). The spiral blade (203) is distributed on the inner side of the conveying cylinder (101) and fixed to the outer side of the conveying shaft (202); A water circulation assembly (3) is arranged on the inner and outer sides of the outer cooling cylinder (105) and the inner side of the conveying shaft (202). The water circulation assembly (3) is used to realize the circulating flow of cooling water.

2. The conveying device for the recycling and reprocessing of metallurgical slag according to claim 1, characterized in that, The water circulation assembly (3) includes a water inlet (301), a water outlet (302), a through port (303), a fan-shaped water channel (304), and an opening groove (305); The water inlet (301) and the water outlet (302) are fixed at positions on the outer side of the outer cooling cylinder (105) close to the bottom and are communicated with the inner cavity of the outer cooling cylinder (105). The water inlet (301) and the water outlet (302) are symmetrically distributed with the sealing ring block (103) as the center line; The through port (303) is opened at one end of the upper support ring block (104) and penetrates through to the other end of the upper support ring block (104); The fan-shaped water channel (304) is formed on the inner side of the conveying shaft (202). The opening grooves (305) are symmetrically opened at both outer ends of the conveying shaft (202) and are communicated with the fan-shaped water channel (304). The two groups of opening grooves (305) are respectively distributed at the ends of the sealing ring block (103) and the upper support ring block (104) away from each other; The path channel composed of the water inlet (301), the through port (303), the opening groove (305), the fan-shaped water channel (304), and the water outlet (302) is used to realize the circulating flow of cooling water.

3. The conveying device for the recycling and reprocessing of metallurgical slag according to claim 2, wherein, A plurality of fan-shaped water channels (304) are circumferentially arranged around the center line of the conveying shaft (202). The number of the opening grooves (305) matches the number of the fan-shaped water channels (304) and the positions correspond one by one.

4. A conveying device for the recycling and reprocessing of metallurgical slag according to claim 2, characterized in that, The number of the through ports (303) is set to be multiple. The multiple through ports (303) are evenly distributed in a circumferential manner on the end face of the upper support ring block (104).

5. A conveying device for the recycling and reprocessing of metallurgical slag according to claim 1, characterized in that, The outer shell assembly (1) further includes a feed hopper (102) and a discharge opening (106); The feed hopper (102) is fixed to the upper end of the conveying cylinder (101) near the bottom, and the discharge opening (106) is fixed to the lower end of the conveying cylinder (101) near the top. Moreover, the feed hopper (102) and the discharge opening (106) are in communication with the inner cavity of the conveying cylinder (101), and the feed hopper (102) and the discharge opening (106) completely penetrate through the outer cooling cylinder (105).

6. The conveying device for the recycling and reprocessing of metallurgical slag according to claim 3, characterized in that, The flow rates of the water inlet (301) and the water outlet (302) are matched with the overall flow rate of the multiple water outlets (302).

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