A dry slag conveying system

Abstract

The present invention relates to the technical field of dry slag conveying, and specifically relates to a dry slag conveying system, including: a dry furnace body, on one side side wall of which a slag conveying pipeline is fixedly arranged, and an air inlet pipe is fixedly arranged on the outer surface of the slag conveying pipeline; a sealing plate, which is clamped inside a through groove opened on the outer surface of the air inlet pipe; a filter plate, which is arranged inside the air inlet pipe, and a connecting column is fixedly arranged at the center position of the lower end surface of the filter plate; The beneficial effects are as follows: through the cooperation of the heat conduction net and the heat conduction column, the waste heat inside the slag conveying pipeline can be absorbed by the water inside the water pipe for heat utilization, and the air suction box passes the waste heat inside the slag conveying pipeline through the air inlet pipe into the dry furnace body again for heat circulation. At the same time, the filter plate can filter dust, and the rotatably arranged cleaning block can clean the filter plate.

Description

Technical Field

[0001] The present invention relates to the technical field of dry slag conveying, and specifically relates to a dry slag conveying system. Background Art

[0002] Dry slag is called molten slag, which is a melt floating on the surface of liquid substances such as metals generated in the pyrometallurgical process. Its composition is mainly oxides, often contains sulfides and entangles a small amount of metals;

[0003] When dry slag is conveyed and discharged, it is usually directly discharged. However, the temperature of the slag is very high. Using the direct discharge mode will not effectively utilize the waste heat of the slag, directly affecting the thermal conversion efficiency of the boiler. And in order to quickly cool the discharged slag, water cooling is generally used at present. However, the water used to cool the slag will be largely vaporized, resulting in a large water consumption, and the vaporized steam will corrode the boiler room equipment and the civil building structure, increasing the operating cost of the boiler. Summary of the Invention

[0004] The purpose of the present invention is to provide a dry slag conveying system to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A dry slag conveying system, the dry slag conveying system includes:

[0006] A dry furnace body, one side side wall of the dry furnace body is fixedly provided with a slag conveying pipeline, and an air inlet pipe is fixedly provided on the outer surface of the slag conveying pipeline;

[0007] A sealing plate, the sealing plate is clamped inside a through groove, and the through groove is opened on the outer surface of the air inlet pipe;

[0008] A filter plate, the filter plate is arranged inside the air inlet pipe, and a connecting column is fixedly provided at the center position of the lower end surface of the filter plate.

[0009] Preferably, the slag conveying pipeline has a hollow cylindrical structure, one end of the slag conveying pipeline is communicated with the inside of the dry furnace body, and a heat conduction net is fixedly provided on the outer surface of the slag conveying pipeline. The size of the heat conduction net matches the size of the slag conveying pipeline, and heat conduction columns are fixedly provided on the outer surface of the heat conduction net. There are multiple groups of heat conduction columns, and multiple groups of heat conduction columns are evenly and symmetrically distributed.

[0010] Preferably, one end of each group of the heat conduction columns far from the heat conduction net is fixedly connected to the outer surface of a water pipe. The water pipe is connected to the heat conduction net through multiple groups of heat conduction columns. The water pipe has a hollow cylindrical structure, and the two ends of the water pipe are respectively connected to a cold water tank and a hot water tank, and the cold water tank and the hot water tank are communicated through the water pipe.

[0011] Preferably, an air inlet pipe is fixedly provided on the upper end of the outer surface of the heat-conducting net, and the air inlet pipe is a hollow cylindrical structure. One end portion of the air inlet pipe is connected to the interior of the slag conveying pipe, and the end portion of the air inlet pipe away from the slag conveying pipe is connected to the interior of the air suction box, the air suction box is connected to the interior of the slag conveying pipe through the air inlet pipe, and a hot air guide pipe is fixedly connected to one side wall of the air suction box, the hot air guide pipe is connected to the interior of the air suction box, and the end portion of the hot air guide pipe away from the air suction box is fixedly connected to the outer surface of the dry-type furnace body, and the air suction box is connected to the interior of the dry-type furnace body through the hot air guide pipe.

[0012] Preferably, the through groove is opened at a central symmetrical position on the outer surface of the air inlet pipe, and the through groove has a semicircular structure. A sealing plate is provided inside the through groove, and the size of the sealing plate matches the internal size of the through groove. A filter plate is fixedly provided on the inner wall of the sealing plate, and the size of the filter plate matches the internal size of the air inlet pipe. A connecting column is fixedly provided at a central symmetrical position on the lower end face of the filter plate, and a rotating groove is opened at the center position of the outer surface of the connecting column.

[0013] Preferably, a ring is rotatably provided on the outer surface of the rotating groove, and the internal size of the ring matches the size of the rotating groove. A support rod is fixedly provided on the outer surface of the ring, and the size of the support rod matches the internal size of the air inlet pipe. There are six groups of support rods, and the six groups of support rods are distributed in a circular state with the ring as the center, and a clearance groove is opened at the center position of the upper surface of the six groups of support rods.

[0014] Preferably, the six groups of the give way grooves are all equipped with cleaning blocks, the size of the cleaning blocks matches the internal size of the give way grooves, and the inside of the give way grooves is provided with a second return spring, the second return spring is fixedly provided between the inner wall of the give way groove and the lower end face of the cleaning block, four groups of second return springs are provided, the four groups of second return springs are evenly and symmetrically distributed, the cleaning block is elastically provided by the four groups of second return springs, and the side wall of the cleaning block away from the second return spring is in contact with the lower surface of the filter plate.

[0015] Preferably, a second locking block is fixedly provided on the outer surface of the sealing plate, the second locking block has an arc-shaped structure, and two groups of second locking blocks are provided, the two groups of second locking blocks are symmetrically distributed with the sealing plate as the center, and a sinking groove is provided at the center position of the side wall on which the two groups of second locking blocks are away from each other, the size of the sinking groove matches the size of the second locking block, and limiting plates are inserted into the interior of the two groups of sinking grooves, and the size of the limiting plates matches the internal size of the sinking groove.

[0016] Preferably, one end of the limiting plate away from the second engaging block is inserted into the limiting groove. The limiting groove is opened at the centrally symmetric position of the lower end surface of the first engaging block. The size of the end of the limiting plate matches the size inside the limiting groove. And a first return spring is arranged inside the limiting groove. The first return spring is fixedly arranged between the inner wall of the limiting groove and the side wall of the limiting plate. There are multiple groups of first return springs, and multiple groups of first return springs are evenly and symmetrically distributed on the side wall of the limiting plate.

[0017] Preferably, the limiting plate is elastically arranged inside the limiting groove through multiple groups of first return springs. And a connecting rod is fixedly arranged at the end of the outer side wall of the limiting plate. One end of the connecting rod away from the limiting plate penetrates through the side wall of the first engaging block and extends to the outside of the first engaging block.

[0018] Preferably, an air suction fan is arranged inside the air suction box. The pressure generated by the air suction fan can make the collar drive the support rod to rotate.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] A dry slag conveying system proposed by the present invention can absorb the waste heat inside the slag conveying pipeline by the cooperation of the heat conduction net and the heat conduction column, and utilize the heat. And the air suction box passes the waste heat inside the slag conveying pipeline into the inside of the dry furnace body again through the air inlet pipe for heat circulation. At the same time, the filter plate can filter dust, and the rotatably arranged cleaning block can clean the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention;

[0022] Figure 2 is Figure 1 an enlarged schematic diagram of the structure at A in

[0023] Figure 3 is a schematic structural diagram of the limiting plate of the present invention;

[0024] Figure 4 is a schematic diagram of the structural connection between the sealing plate and the filter plate of the present invention;

[0025] Figure 5 is an exploded schematic diagram of the structural connection between the sealing plate and the filter plate of the present invention;

[0026] Figure 6 is a schematic diagram of the structural connection between the collar and the support rod of the present invention.

[0027] In the figure: dry furnace body 1, slag conveying pipeline 2, heat conduction net 3, heat conduction column 4, water pipe 5, cold water tank 6, hot water tank 7, air suction box 8, hot air guiding pipe 9, air inlet pipe 10, first engaging block 11, second engaging block 12, limiting plate 13, sinking groove 14, connecting rod 15, limiting groove 16, sealing plate 17, through groove 18, first return spring 19, filter plate 20, connecting column 21, collar 22, support rod 23, rotating groove 24, cleaning block 25, relieving groove 26, second return spring 27. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1 to 6 , the present invention provides a technical solution: a dry slag conveying system, and the dry slag conveying system includes:

[0030] A dry furnace body 1, a slag conveying pipeline 2 is fixedly arranged on one side side wall of the dry furnace body 1, an air inlet pipe 10 is fixedly arranged on the outer surface of the slag conveying pipeline 2, the slag conveying pipeline 2 is in a hollow cylindrical structure, one end of the slag conveying pipeline 2 is communicated with the inside of the dry furnace body 1, and a heat conduction net 3 is fixedly arranged on the outer surface of the slag conveying pipeline 2. The size of the heat conduction net 3 matches the size of the slag conveying pipeline 2. A heat conduction column 4 is fixedly arranged on the outer surface of the heat conduction net 3. There are multiple groups of heat conduction columns 4, and multiple groups of heat conduction columns 4 are evenly and symmetrically distributed. One ends of multiple groups of heat conduction columns 4 far away from the heat conduction net 3 are fixedly connected to the outer surface of a water pipe 5. The water pipe 5 is connected to the heat conduction net 3 through multiple groups of heat conduction columns 4. The water pipe 5 is in a hollow cylindrical structure. The two ends of the water pipe 5 are respectively connected with a cold water tank 6 and a hot water tank 7. The cold water tank 6 and the hot water tank 7 are communicated through the water pipe 5;

[0031] The sealing plate 17 is snap-connected inside the through groove 18. The through groove 18 is opened on the outer surface of the air inlet pipe 10. The air inlet pipe 10 is fixedly arranged at the upper end of the outer surface of the heat conduction net 3. The air inlet pipe 10 is of a hollow cylindrical structure. One end of the air inlet pipe 10 is communicated with the inside of the slag conveying pipeline 2, and the end of the air inlet pipe 10 far away from the slag conveying pipeline 2 is communicated with the inside of the air suction box 8. The air suction box 8 is communicated with the inside of the slag conveying pipeline 2 through the air inlet pipe 10. One side side wall of the air suction box 8 is fixedly connected with a hot air guiding pipe 9. The hot air guiding pipe 9 is communicated with the inside of the air suction box 8. The end of the hot air guiding pipe 9 far away from the air suction box 8 is fixedly connected with the outer surface of the dry furnace body 1. The air suction box 8 is communicated with the inside of the dry furnace body 1 through the hot air guiding pipe 9. The through groove 18 is opened at the centrally symmetric position on the outer surface of the air inlet pipe 10, and the through groove 18 is of a semi-circular structure. The sealing plate 17 is snap-connected inside the through groove 18. The size of the sealing plate 17 matches the internal size of the through groove 18, and a filter plate 20 is fixedly arranged on the inner wall of the sealing plate 17. The size of the filter plate 20 matches the internal size of the air inlet pipe 10;

[0032] The filter plate 20 is arranged inside the air inlet pipe 10, and a connecting column 21 is fixedly provided at the center position of the lower end surface of the filter plate 20. The connecting column 21 is fixedly provided at the center symmetrical position of the lower end surface of the filter plate 20. A rotation groove 24 is opened at the center position of the outer surface of the connecting column 21. A collar 22 is rotatably provided on the outer surface of the rotation groove 24. The inner size of the collar 22 matches the size of the rotation groove 24, and a support rod 23 is fixedly provided on the outer surface of the collar 22. The size of the support rod 23 matches the inner size of the air inlet pipe 10, and the support rod 23 is provided in six groups. The six groups of support rods 23 are distributed in a circular state with the collar 22 as the center, and the upper surface of the six groups of support rods 23 is provided with a plurality of support rods 23. A clearance groove 26 is provided at the center position of each surface, and a cleaning block 25 is inserted into the interior of each of the six sets of clearance grooves 26. The size of the cleaning block 25 matches the internal size of the clearance groove 26, and a second return spring 27 is provided inside the clearance groove 26. The second return spring 27 is fixedly arranged between the inner wall of the clearance groove 26 and the lower end face of the cleaning block 25. Four groups of second return springs 27 are provided, and the four groups of second return springs 27 are evenly and symmetrically distributed. The cleaning block 25 is elastically arranged by the four groups of second return springs 27, and the side wall of the cleaning block 25 away from the second return spring 27 contacts the lower surface of the filter plate 20, and the outer surface of the sealing plate 17 is fixedly provided with The second locking block 12 has an arc-shaped structure, and the second locking block 12 is provided with two groups. The two groups of second locking blocks 12 are symmetrically distributed with the sealing plate 17 as the center, and the two groups of second locking blocks 12 are provided with a sinking groove 14 at the center position of the side wall away from each other. The size of the sinking groove 14 matches the size of the second locking block 12, and the interiors of the two groups of sinking grooves 14 are both plugged with a limiting plate 13. The size of the limiting plate 13 matches the internal size of the sinking groove 14. The end of the limiting plate 13 away from the second locking block 12 is plugged into the interior of the limiting groove 16. The limiting groove 16 is provided at a symmetrical position on the center of the lower end surface of the first locking block 11, limiting The end size of the positioning plate 13 matches the internal size of the limiting groove 16, and a first return spring 19 is provided inside the limiting groove 16. The first return spring 19 is fixedly arranged between the inner wall of the limiting groove 16 and the side wall of the limiting plate 13. There are multiple groups of first return springs 19, and multiple groups of first return springs 19 are evenly and symmetrically distributed on the side wall of the limiting plate 13. The limiting plate 13 is elastically arranged inside the limiting groove 16 through multiple groups of first return springs 19, and a connecting rod 15 is fixedly provided at the end of the outer side wall of the limiting plate 13. The end of the connecting rod 15 away from the limiting plate 13 passes through the side wall of the first locking block 11 and extends to the outside of the first locking block 11.

[0033] During use, the slag inside the dry furnace body 1 is conveyed through the slag conveying pipeline 2. During the conveying process, the heat conduction network 3 can absorb part of the heat of the slag, and then transfer it to the inside of the water pipe 5 through the heat conduction column 4. The transferred heat can heat the water inside the water pipe 5, and the hot water can be used through the hot water tank 7. Moreover, during the conveying process of the slag, the air suction box 8 is started, and the air suction device inside the air suction box 8 absorbs the hot air inside the slag conveying pipeline 2, and conveys the hot air to the inside of the dry furnace body 1 through the hot air guiding pipe 9 to achieve heat circulation. When the hot air inside the slag conveying pipeline 2 enters the inside of the air inlet pipe 10, it will be filtered through the filter plate 20 to prevent the slag ash from entering. And due to the pressure difference, the collar 22 will drive the support rod 23 to rotate. During the rotation of the support rod 23, the cleaning block 25 elastically arranged inside the support rod 23 will clean the lower surface of the filter plate 20 to prevent the slag ash from blocking the filter plate 20. When it is necessary to replace the filter plate 20 or replace and repair the cleaning block 25, slide the connecting rod 15 outwards. The connecting rod 15 drives the limiting plate 13 to move. When the end of the limiting plate 13 is no longer inserted into the sunk groove 14, the sealing plate 17 and the filter plate 20 can be taken out from the inside of the air inlet pipe 10.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry slag conveying system, characterized in that: The dry slag conveying system comprises: A dry furnace body (1), a slag conveying pipe (2) is fixedly provided on one side wall of the dry furnace body (1), and an air inlet pipe (10) is fixedly provided on the outer surface of the slag conveying pipe (2); A sealing plate (17), the sealing plate (17) is clamped inside the through groove (18), and the through groove (18) is provided on the outer surface of the air inlet pipe (10); A filter plate (20), the filter plate (20) is arranged inside the air inlet pipe (10), and a connecting column (21) is fixedly provided at the center position of the lower end surface of the filter plate (20); The through groove (18) is provided at a central symmetrical position on the outer surface of the air inlet pipe (10), and the through groove (18) is in a semicircular structure. A sealing plate (17) is provided inside the through groove (18), and the size of the sealing plate (17) matches the inner size of the through groove (18). A filter plate (20) is fixedly provided on the inner wall of the sealing plate (17). The size of the filter plate (20) matches the inner size of the air inlet pipe (10), and a connecting column (21) is fixedly provided at a central symmetrical position on the lower end surface of the filter plate (20). A rotation groove (24) is provided at the central position of the outer surface of the connecting column (21). The outer surface of the rotating groove (24) is provided with a ring (22) for rotation, the inner size of the ring (22) matches the size of the rotating groove (24), and the outer surface of the ring (22) is fixed with a support rod (23), the size of the support rod (23) matches the inner size of the air inlet pipe (10), and the support rod (23) is provided with six groups, the six groups of support rods (23) are distributed in a circular state with the ring (22) as the center, and the upper surface center position of the six groups of support rods (23) is provided with a clearance groove (26); the interior of the six groups of the clearance grooves (26) are all provided with a cleaning block (25) for cleaning. The size of the block (25) matches the internal size of the give way groove (26), and a second return spring (27) is provided inside the give way groove (26). The second return spring (27) is fixedly provided between the inner wall of the give way groove (26) and the lower end surface of the cleaning block (25). Four groups of second return springs (27) are provided. The four groups of second return springs (27) are evenly and symmetrically distributed. The cleaning block (25) is elastically provided by the four groups of second return springs (27), and the side wall of the cleaning block (25) away from the second return spring (27) contacts the lower surface of the filter plate (20); the sealing plate A second engaging block (12) is fixedly provided on the outer surface of (17), the second engaging block (12) is in an arc-shaped structure, and two groups of second engaging blocks (12) are provided, the two groups of second engaging blocks (12) are symmetrically distributed with the sealing plate (17) as the center, and a sink groove (14) is provided at the center position of the side wall of the two groups of second engaging blocks (12) away from each other, the size of the sink groove (14) matches the size of the second engaging block (12), and the interior of the two groups of sink grooves (14) is provided with a limit plate (13), and the size of the limit plate (13) matches the internal size of the sink groove (14).

2. The dry slag conveying system according to claim 1, wherein: The slag conveying pipe (2) is of a hollow cylindrical structure. One end of the slag conveying pipe (2) is connected to the inside of the dry furnace body (1), and a heat conduction net (3) is fixedly arranged on the outer surface of the slag conveying pipe (2). The size of the heat conduction net (3) matches the size of the slag conveying pipe (2). A heat conduction column (4) is fixedly arranged on the outer surface of the heat conduction net (3). There are multiple groups of heat conduction columns (4), and multiple groups of heat conduction columns (4) are evenly and symmetrically distributed.

3. The dry slag conveying system according to claim 2, wherein: One end of each of the multiple groups of heat conduction columns (4) far from the heat conduction net (3) is fixedly connected to the outer surface of the water pipe (5). The water pipe (5) is connected to the heat conduction net (3) through multiple groups of heat conduction columns (4). The water pipe (5) is of a hollow cylindrical structure. The two ends of the water pipe (5) are respectively connected to a cold water tank (6) and a hot water tank (7). The cold water tank (6) and the hot water tank (7) are communicated through the water pipe (5).

4. The dry slag conveying system according to claim 3, wherein: An air inlet pipe (10) is fixedly arranged at the upper end of the outer surface of the heat conduction net (3). The air inlet pipe (10) is of a hollow cylindrical structure. One end of the air inlet pipe (10) is connected to the inside of the slag conveying pipe (2), and the end of the air inlet pipe (10) far from the slag conveying pipe (2) is connected to the inside of an air suction box (8). The air suction box (8) is connected to the inside of the slag conveying pipe (2) through the air inlet pipe (10). One side side wall of the air suction box (8) is fixedly connected to a hot air guiding pipe (9). The hot air guiding pipe (9) is connected to the inside of the air suction box (8). The end of the hot air guiding pipe (9) far from the air suction box (8) is fixedly connected to the outer surface of the dry furnace body (1). The air suction box (8) is connected to the inside of the dry furnace body (1) through the hot air guiding pipe (9).

5. A dry slag conveying system according to claim 1, characterized in that: One end of the limiting plate (13) far from the second engaging block (12) is inserted into the inside of the limiting groove (16). The limiting groove (16) is opened at the centrally symmetric position on the lower end surface of the first engaging block (11). The size of the end of the limiting plate (13) matches the size of the inside of the limiting groove (16). And a first return spring (19) is arranged inside the limiting groove (16). The first return spring (19) is fixedly arranged between the inner wall of the limiting groove (16) and the side wall of the limiting plate (13). There are multiple groups of first return springs (19), and multiple groups of first return springs (19) are evenly and symmetrically distributed on the side wall of the limiting plate (13).

6. The dry slag conveying system according to claim 5, wherein: The limiting plate (13) is elastically arranged inside the limiting groove (16) through multiple groups of first return springs (19). And a connecting rod (15) is fixedly arranged at the end of the outer side wall of the limiting plate (13). One end of the connecting rod (15) far from the limiting plate (13) penetrates through the side wall of the first engaging block (11) and extends to the outside of the first engaging block (11).

Images