CN217032079U

CN217032079U - Submerged arc furnace flue gas waste heat utilization device

Info

Publication number: CN217032079U
Application number: CN202220906866.9U
Authority: CN
Inventors: 武君杰; 冯万栋
Original assignee: Sinosteel Jinye Inner Mongolia Engineering Technology Co ltd
Current assignee: Sinosteel Jinye Inner Mongolia Engineering Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-22
Anticipated expiration: 2032-04-19

Abstract

The utility model provides a flue gas waste heat utilization device of an ore smelting furnace, which relates to the technical field of flue gas waste heat utilization devices and comprises an outer box body, wherein an inner box body is fixedly arranged inside the outer box body, a smoke inlet pipe is arranged on the top surface of the outer box body, a transfer pipe is arranged inside the inner box body, a smoke guide pipe is arranged at the top end of the transfer pipe, a smoke outlet pipe is fixedly arranged at the bottom end of the transfer pipe, a water supply tank is arranged on one side of the outer box body, and a water outlet pipe is fixedly connected between the water supply tank and the outer box body as well as between the outer box body and the inner box body. The heating efficiency of cold water is improved, and the practical use is facilitated.

Description

Submerged arc furnace flue gas waste heat utilization device

Technical Field

The utility model relates to the technical field of flue gas waste heat utilization devices, in particular to a flue gas waste heat utilization device for a submerged arc furnace.

Background

The ore-smelting furnace is also called electric arc furnace or resistance furnace. It mainly used reduces and smelts the ore, raw materials such as carbonaceous reductant and solvent, in the use of hot stove in ore deposit, can add the hot stove in ore deposit and discharge the flue gas that produces in man-hour and in the waste heat utilization device usually, thereby heat into the hot water with the cold water in the device, finally realized the recycle to the flue gas heat, but present heating methods is inside all sending into the device with cold water, can't the ration carry cold water, when a large amount of cold water is piled up inside the device, then can need longer time just can heat it completely, heating efficiency has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a flue gas waste heat utilization device for a submerged arc furnace.

In order to achieve the purpose, the utility model adopts the following technical scheme: submerged arc furnace flue gas waste heat utilization equipment, including outer box, the inside of outer box is equipped with interior box admits of water, the top surface of outer box is equipped with into tobacco pipe, the inside of interior box is provided with the transfer pipe, the smoke guide tube is equipped with on the top of transfer pipe, the bottom of transfer pipe is equipped with out the tobacco pipe admittedly, the water feeding box is equipped with to one side of outer box, fixedly connected with outlet pipe between water feeding box and outer box and the interior box, one side fixed mounting of water feeding box has the motor, the output fixedly connected with threaded rod of motor, the position department that one side of water feeding box is close to the threaded rod is equipped with the stock, be provided with the balladeur train between threaded rod and the stock, the bottom surface of balladeur train is equipped with and keeps off the lid, one side of outer box is provided with the header tank, fixedly connected with inlet tube between header tank and outer box and the interior box.

In order to make the sliding frame translate, the utility model improves that the sliding frame is connected with the threaded rod in a rotating way, and the sliding frame is connected with the long rod in a sliding way.

In order to ensure the normal circulation of smoke and water, the utility model improves the structure that the smoke guide pipe penetrates through the top surface of the inner box body, the smoke outlet pipe penetrates through the bottom surfaces of the outer box body and the inner box body, and the surface of the water inlet pipe is fixedly provided with a valve.

In order to reduce the cost of the sliding frame, the utility model improves that the sliding frame is in a hollow structure.

In order to avoid smoke leakage, the utility model is improved in that a sealing device is arranged in the smoke inlet pipe, the sealing device comprises a sealing gasket, the sealing gasket is connected in the smoke inlet pipe in a sliding manner, a spring a is arranged on the surface of the sealing gasket, and one end of the spring a is fixedly connected with a clamping block.

In order to facilitate people to disassemble the sealing gasket, the sealing gasket is improved in the utility model that sliding seats are fixedly arranged on two sides of the smoke inlet pipe, a pushing block is arranged on the top surface of each sliding seat in a sliding manner, a spring b is fixedly connected between each pushing block and the smoke inlet pipe, and one side of each pushing block is in a convex shape.

In order to fix the sealing gasket, the utility model is improved in that one side of the clamping block is arc-shaped, and the clamping blocks are symmetrically distributed on two sides of the sealing gasket.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the device is actually used, cold water can be quantitatively discharged from the water feeding tank by arranging the outer box body, the inner box body, the smoke inlet pipe, the transfer pipe, the smoke guide pipe, the smoke outlet pipe, the water feeding tank, the water outlet pipe, the motor, the threaded rod, the long rod, the sliding frame, the baffle cover, the water collecting tank and the water inlet pipe and by repeatedly moving the baffle cover, so that part of cold water and hot water are quickly mixed and heated, the heating efficiency of the cold water is improved, and the device is beneficial to actual use.

2. In the utility model, when in actual use, the sealing device is arranged, so that the flue gas discharged by the submerged arc furnace can be fully utilized, the condition that the flue gas leaks from the smoke inlet pipe is avoided, and the actual use is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of a flue gas waste heat utilization device of a submerged arc furnace according to the present invention;

FIG. 2 is a side view of the flue gas waste heat utilization device of the submerged arc furnace provided by the utility model;

FIG. 3 is a schematic cross-sectional view of a part of the structure of FIG. 2 in the flue gas waste heat utilization device of the submerged arc furnace according to the present invention;

FIG. 4 is an enlarged view of the part A in FIG. 1 of the flue gas waste heat utilization device of the submerged arc furnace provided by the utility model;

FIG. 5 is a top view of the flue gas waste heat utilization device of the submerged arc furnace according to the present invention;

FIG. 6 is an enlarged view of a portion B in FIG. 5 of the flue gas waste heat utilization device of the submerged arc furnace according to the present invention;

FIG. 7 is a rear view of the flue gas waste heat utilization device of the submerged arc furnace according to the present invention;

FIG. 8 is a schematic view of a part of the structure of the flue gas waste heat utilization device of the submerged arc furnace at the position of the flue gas inlet pipe in FIG. 7 according to the present invention.

Illustration of the drawings:

1. an outer case; 2. an inner box body; 3. a smoke inlet pipe; 4. a transfer tube; 5. a smoke guide pipe; 6. discharging the smoke tube; 7. a water supply tank; 8. a water outlet pipe; 9. a motor; 10. a threaded rod; 11. a long rod; 12. a carriage; 13. a blocking cover; 14. a water collection tank; 15. a water inlet pipe; 16. a valve; 17. a gasket; 18. a spring a; 19. a clamping block; 20. a slide base; 21. pushing a block; 22. and a spring b.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the present invention is not limited to the specific embodiments disclosed in the following description.

In a first embodiment, please refer to fig. 1-3, the present invention provides a technical solution: the submerged arc furnace flue gas waste heat utilization device comprises an outer box body 1, an inner box body 2 is fixedly arranged inside the outer box body 1, a smoke inlet pipe 3 is arranged on the top surface of the outer box body 1, a transfer pipe 4 is arranged inside the inner box body 2, a smoke guide pipe 5 is arranged at the top end of the transfer pipe 4, the smoke guide pipe 5 penetrates through the top surface of the inner box body 2, a smoke outlet pipe 6 is fixedly arranged at the bottom end of the transfer pipe 4, the smoke outlet pipe 6 penetrates through the bottom surfaces of the outer box body 1 and the inner box body 2, a water supply tank 7 is arranged on one side of the outer box body 1, a water outlet pipe 8 is fixedly connected between the water supply tank 7 and the outer box body 1 and the inner box body 2, a water collection tank 14 is arranged on one side of the outer box body 1, a water inlet pipe 15 is fixedly connected between the water collection tank 14 and the outer box body 1 and the inner box body 2, and a valve 16 is fixedly arranged on the surface of the water inlet pipe 15, by providing the valve 16, the circulation of hot water at the water inlet pipe 15 is controlled, and when the valve 16 is opened, hot water enters the water collecting tank 14 through the water inlet pipe 15.

Referring to fig. 1, 4, 5 and 6, a motor 9 is fixedly installed on one side of a water supply tank 7, a threaded rod 10 is fixedly connected to an output end of the motor 9, a long rod 11 is installed at a position, close to the threaded rod 10, on one side of the water supply tank 7, a sliding frame 12 is arranged between the threaded rod 10 and the long rod 11, the sliding frame 12 is of a hollow structure, the manufacturing cost of the sliding frame 12 is reduced by arranging the hollow sliding frame 12, the sliding frame 12 is rotatably connected with the threaded rod 10, the sliding frame 12 is slidably connected with the long rod 11, the sliding frame 12 is limited by the long rod 11, so that the sliding frame 12 can move in a translation mode between the threaded rod 10 and the long rod 11, and a blocking cover 13 is installed on the bottom surface of the sliding frame 12.

In the second embodiment, please refer to fig. 7-8, a sealing device is disposed inside the smoke inlet pipe 3, the sealing device includes a sealing gasket 17, the sealing gasket 17 is slidably connected inside the smoke inlet pipe 3, a spring a18 is mounted on a surface of the sealing gasket 17, one end of the spring a18 is fixedly connected with a fixture block 19, one side of the fixture block 19 is arc-shaped, the fixture blocks 19 are symmetrically distributed on two sides of the sealing gasket 17, and by disposing the arc-shaped fixture blocks 19, people can conveniently install the sealing gasket 17, and by disposing multiple sets of fixture blocks 19, firmness of the sealing gasket 17 after installation is improved.

Referring to fig. 7-8, the sliding base 20 is fixedly mounted on both sides of the smoke inlet pipe 3, the pushing block 21 is slid on the top surface of the sliding base 20, the spring b22 is fixedly connected between the pushing block 21 and the smoke inlet pipe 3, one side of the pushing block 21 is convex, and by arranging the pushing block 21, people can move the block 19 out of the smoke inlet pipe 3 quickly by moving the pushing block 21, which is convenient for people to detach the sealing pad 17.

The working principle is as follows: by arranging the outer box body 1, the inner box body 2, the smoke inlet pipe 3, the delivery pipe 4, the smoke guide pipe 5, the smoke outlet pipe 6, the water feeding box 7, the water outlet pipe 8, the motor 9, the threaded rod 10, the long rod 11, the sliding frame 12, the baffle cover 13, the water collecting box 14 and the water inlet pipe 15, firstly, people communicate the smoke inlet pipe 3 with the submerged arc furnace to ensure that smoke generated by the submerged arc furnace can flow into the inner part of the outer box body 1 through the smoke inlet pipe 3, then people convey cold water into the inner box body 2 through the water feeding box 7 through the water outlet pipe 8, at the moment, the smoke in the outer box body 1 heats cold water in the inner box body 2, meanwhile, under the effect of pressure, the smoke can enter the delivery pipe 4 through the smoke guide pipe 5, thereby further heating the smoke in the inner box body 2 through the delivery pipe 4, finally the smoke can be discharged through the smoke outlet pipe 6 at the bottom end of the delivery pipe 4, when the cold water in the inner box body 2 is heated into hot water, at the moment, the valve 16 is opened, when people discharge part of hot water into the water collecting tank 14 through the water inlet pipe 15, the motor 9 is started, the motor 9 drives the threaded rod 10 to rotate on one side of the water delivery tank 7, because the inside of the sliding frame 12 is provided with the threads meshed with the surface of the threaded rod 10, under the limiting action of the long rod 11, the sliding frame 12 drives the blocking cover 13 to move in a translation way between the threaded rod 10 and the long rod 11, when the blocking cover 13 is moved out from one side of the water outlet pipe 8, cold water enters the inner box body 2 through the water outlet pipe 8, then the blocking cover 13 shields one side of the water outlet pipe 8 again through the mode of reversing the threaded rod 10, the effect of quantitatively inputting the cold water is achieved, through the arrangement of the sealing device, when the smoke exhaust pipeline of the submerged arc furnace is inserted into the smoke inlet pipe 3 to realize butt joint, at the moment, the sealing gasket 17 is attached to the calandria pipeline on the submerged arc furnace, thereby avoiding the situation that smoke leaks from the position of the smoke inlet pipe 3, when the sealing gasket 17 needs to be removed and replaced, the two groups of push blocks 21 are pushed to slide on the top surface of the sliding seat 20, when the push blocks 21 are influenced by external force, the spring b22 moves along with the push blocks, then the convex side of the pushing block 21 extrudes the block 19 from the interior of the smoke inlet tube 3, finally people only need to pull the sealing gasket 17 upwards to disassemble the sealing gasket, meanwhile, when the push block 21 is released, the spring b22 drives the push block 21 to reset, and when people need to install the sealing gasket 17, because the bottom surface of the clamping block 19 is arc-shaped, people only need to directly insert the sealing gasket 17 into the smoke inlet pipe 3, when the block 19 is attached to the inner wall of the smoke inlet tube 3, the block 19 will also move along the inner wall of the smoke inlet tube 3 and drive the spring a18 to contract, when the block 19 is overlapped with the notches on the two sides of the smoke inlet tube 3, the spring a18 drives the block 19 to return to penetrate through the smoke inlet tube 3, thereby fixing the sealing pad 17.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. Hot stove flue gas waste heat utilization equipment in ore deposit, including outer box (1), its characterized in that: the smoke-discharging and smoke-discharging device is characterized in that an inner box body (2) is fixedly arranged inside the outer box body (1), a smoke-feeding pipe (3) is arranged on the top surface of the outer box body (1), a delivery pipe (4) is arranged inside the inner box body (2), a smoke-guiding pipe (5) is arranged at the top end of the delivery pipe (4), a smoke-discharging pipe (6) is fixedly arranged at the bottom end of the delivery pipe (4), a water-feeding box (7) is arranged on one side of the outer box body (1), a water-discharging pipe (8) is fixedly connected between the water-feeding box (7) and the outer box body (1) and the inner box body (2), a motor (9) is fixedly arranged on one side of the water-feeding box (7), a threaded rod (10) is fixedly connected with the output end of the motor (9), a long rod (11) is arranged at a position, close to the threaded rod (10), a sliding frame (12) is arranged between the long rod (10) and the long rod (11), the bottom surface of balladeur train (12) is equipped with fender lid (13), one side of outer box (1) is provided with header tank (14), fixedly connected with inlet tube (15) between header tank (14) and outer box (1) and inner box (2).

2. The submerged arc furnace flue gas waste heat utilization device of claim 1, characterized in that: the sliding frame (12) is rotatably connected with the threaded rod (10), and the sliding frame (12) is slidably connected with the long rod (11).

3. The submerged arc furnace flue gas waste heat utilization device of claim 1, characterized in that: the smoke guide pipe (5) penetrates through the top surface of the inner box body (2), the smoke outlet pipe (6) penetrates through the bottom surfaces of the outer box body (1) and the inner box body (2), and a valve (16) is fixedly mounted on the surface of the water inlet pipe (15).

4. The submerged arc furnace flue gas waste heat utilization device according to claim 2, characterized in that: the sliding frame (12) is of a hollow structure.

5. The submerged arc furnace flue gas waste heat utilization device according to claim 1, characterized in that: the inside of advancing tobacco pipe (3) is provided with sealing device, sealing device include sealed pad (17), sealed pad (17) sliding connection is in advancing the inside of tobacco pipe (3), the surface of sealed pad (17) is equipped with spring a (18), the one end fixedly connected with fixture block (19) of spring a (18).

6. The submerged arc furnace flue gas waste heat utilization device according to claim 5, characterized in that: the smoke inlet pipe is characterized in that sliding seats (20) are fixedly arranged on two sides of the smoke inlet pipe (3), pushing blocks (21) slide on the top surfaces of the sliding seats (20), springs b (22) are fixedly connected between the pushing blocks (21) and the smoke inlet pipe (3), and one sides of the pushing blocks (21) are convex.

7. The submerged arc furnace flue gas waste heat utilization device according to claim 5, characterized in that: one side of the clamping block (19) is arc-shaped, and the clamping blocks (19) are symmetrically distributed on two sides of the sealing gasket (17).