CN213631633U

CN213631633U - Metallurgical waste heat recovery device

Info

Publication number: CN213631633U
Application number: CN202022704229.7U
Authority: CN
Inventors: 赵欣锋; 齐西伟; 王硕犁; 刘瑞芳
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-06
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a metallurgical waste heat recovery device, which comprises a frame, the inside center buckle of frame is connected with the heat exchange tube, the middle part buckle of heat exchange tube is connected with clean frame, the equal threaded connection in both sides center of clean frame has the silk axle, the one end fixedly connected with secondary sprocket of silk axle, the top fixedly connected with driving motor of frame, driving motor's output fixedly connected with main sprocket, the surface of main sprocket is passed through the chain and is connected with the surface transmission of secondary sprocket, the front and the back of frame are fixedly connected with positive panel and backplate respectively, driving motor's one side fixedly connected with controller is kept away from to the frame. This metallurgical waste heat recovery device reaches heat energy conversion and saves into the electric energy, and the energy supply improves fuel utilization when avoiding the wasting of resources, and the flue gas temperature is less with the atmospheric temperature difference after the waste heat is retrieved, can avoid causing the influence to the environment.

Description

Metallurgical waste heat recovery device

Technical Field

The utility model relates to the technical field of metallurgy, specifically a metallurgical waste heat recovery device.

Background

Metallurgy is the process and technology of extracting metals or metal compounds from minerals and making metals into metallic materials with certain properties by various processing methods, and the metallurgical technology mainly comprises pyrometallurgy, hydrometallurgy and electrometallurgy.

At present metallurgical main pyrometallurgy, can produce a large amount of burning flue gas among the pyrometallurgy process, the inside contains a large amount of waste heat direct discharge and can shine into the wasting of resources, and is unfavorable for the promotion of fuel utilization ratio, and higher temperature flue gas directly discharges the air simultaneously, can produce certain influence to the environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a metallurgical waste heat recovery device, which comprises a frame, the inside center buckle of frame is connected with the heat exchange tube, the middle part buckle of heat exchange tube is connected with clean frame, the equal threaded connection in both sides center of clean frame has the silk axle, the one end fixedly connected with secondary sprocket of silk axle, the top fixedly connected with driving motor of frame, driving motor's output fixedly connected with main sprocket, the surface of main sprocket passes through the chain and is connected with the surface transmission of secondary sprocket, the front and the back of frame are fixedly connected with positive panel and backplate respectively, driving motor's one side fixedly connected with controller is kept away from to the frame.

As a preferred technical scheme of the utility model, the heat exchange tube is the integral type pipe support of buckling of high temperature resistant heat superconducting material system, a side bottom that the heat exchange tube is close to the controller is provided with inlet and liquid outlet respectively, the even frame buckle of inlet and liquid outlet is connected, and extends to the outside of frame.

As a preferred technical scheme of the utility model, the both ends of clean frame and the equal sliding connection in both sides that are located the silk axle have the guide arm, the both sides of clean frame and the equal sliding connection in inboard that is located the silk axle have the baffle, the both sides of silk axle are rotated with the inner wall of frame and are connected, the both ends of guide arm and baffle all with the inner wall fixed connection of frame.

As a preferred technical scheme of the utility model, the main sprocket and the pinion sprocket be the same gear of diameter size, the surface of frame just with the corresponding fixedly connected with protection casing in position of chain.

As an optimal technical scheme of the utility model, the inside heat preservation that all is provided with of inner wall of frame, positive panel and backplate, and the inside of heat preservation is provided with insulation material, the upper portion of positive panel bottom and backplate is provided with air intake and air outlet respectively.

The utility model has the advantages that: according to the metallurgical waste heat recovery device, the heat exchange tube is matched with an external steam power generation liquid flow pipeline to realize rapid replacement and derivation of the internal waste heat of high-temperature flue gas flowing into a frame, the waste heat in the metallurgical flue gas is recovered, the purpose that heat energy is converted into electric energy for storage and energy supply is achieved, the resource waste is avoided, the fuel utilization rate is improved, the temperature difference between the flue gas temperature and the atmosphere after the waste heat recovery is small, and the influence on the environment can be avoided;

the cleaning frame is matched in the device, so that the surface of the middle part of the heat exchange tube can be cleaned by matching with chain transmission under the drive of a motor, the reduction of heat exchange efficiency caused by the attachment of impurities in flue gas to the tube surface after long-term use is avoided, the heat exchange efficiency is improved, and the service life of the device is ensured;

the flue gas is fed upwards and discharged downwards, and the liquid flow is fed inwards and discharged outwards, so that the overall heat exchange efficiency can be improved, the full replacement of the waste heat in the high-temperature flue gas is ensured, and the waste heat recovery rate is improved.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in greater detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

FIG. 1 is a front axial view of a metallurgical waste heat recovery device of the present invention;

FIG. 2 is a rear axial view of the structure of a metallurgical waste heat recovery device of the present invention;

FIG. 3 is a schematic view of the internal structure of a metallurgical waste heat recovery device of the present invention;

FIG. 4 is a front view of the metallurgical heat recovery device of the present invention;

FIG. 5 is a structural side view of a metallurgical waste heat recovery device of the present invention;

fig. 6 is a view of the heat exchange tubular shaft of the waste heat recovery device for metallurgy.

In the figure: 1. a frame; 2. a heat exchange pipe; 3. a cleaning frame; 4. a wire shaft; 5. a secondary sprocket; 6. a drive motor; 7. a main sprocket; 8. a chain; 9. a front panel; 10. a back panel; 11. a controller; 12. a liquid inlet; 13. a liquid outlet; 14. a guide bar; 15. a baffle plate; 16. a protective cover; 17. an air inlet; 18. and (7) air outlet.

Detailed Description

Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example (b): referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a metallurgical waste heat recovery device, including frame 1, the inside center buckle of frame 1 is connected with heat exchange tube 2, realize the inside waste heat recovery of high temperature flue gas, the middle part buckle of heat exchange tube 2 is connected with clean frame 3, the equal threaded connection in both sides center of clean frame 3 has silk axle 4, the one end fixedly connected with secondary sprocket 5 of silk axle 4, frame 1's top fixedly connected with driving motor 6, driving motor 6's output fixedly connected with main sprocket 7, the surface of main sprocket 7 is passed through chain 8 and is connected with the surface transmission of secondary sprocket 5, realize that the heat exchange tube surface is regularly clean, guarantee heat exchange tube heat exchange efficiency, frame 1's front and back difference fixedly connected with positive panel 9 and backplate 10, realize inside seal, guarantee that high temperature flue gas waste heat is fully retrieved, one side fixedly connected with controller 11 that driving motor 6 was kept away from to frame 1, realize driving motor regular positive and.

Wherein, heat exchange tube 2 is the high temperature resistant heat superconducting material system integral type pipe support of buckling, realizes superconductive heat effect, guarantees heat exchange efficiency, and one side bottom that heat exchange tube 2 is close to controller 11 is provided with inlet 12 and liquid outlet 13 respectively, and inlet 12 and liquid outlet 13 are even 1 buckle connection of frame, and extend to the outside of frame 1, realize with outside steam power generation liquid pipeline intercommunication, form the heat exchange inner liquid circulation.

Wherein, the both ends of cleaning frame 3 and the equal sliding connection in both sides that are located spool 4 have guide arm 14, improve structural strength, guarantee the motion stationarity, and the both sides of cleaning frame 3 and the equal sliding connection in inboard that is located spool 4 have baffle 15, avoid clean impurity to adhere to, realize lead screw and guide arm protection, and the both sides of spool 4 rotate with the inner wall of frame 1 and are connected, the both ends of guide arm 14 and baffle 15 all with the inner wall fixed connection of frame 1.

The main chain wheel 7 and the auxiliary chain wheel 5 are gears with the same diameter, and the protective cover 16 is fixedly connected to the surface of the frame 1 and the position corresponding to the chain 8, so that the use safety is improved.

Wherein, the inside heat preservation that all is provided with of inner wall of frame 1, front panel 9 and backplate 10, and the inside of heat preservation is provided with insulation material, realizes inside heat preservation, avoids the heat to loose outward, and front panel 9 bottom and backplate 10's upper portion are provided with air intake 17 and air outlet 18 respectively, realizes going into down on the high temperature flue gas, improves the stay time in the frame, makes things convenient for inside waste heat to fully retrieve.

The working principle is as follows: an air inlet 17 at the inner side of a frame 1 is connected with a smoke outlet of a metallurgical device, an air outlet 18 at the outer side is connected with an inlet of a chimney, a liquid inlet 12 and a liquid outlet 13 are respectively communicated with an external steam power generation liquid flow pipeline, then a heat exchange tube 2 is utilized to replace high-temperature smoke waste heat in the frame 1 into internal liquid, waste heat recovery power generation is realized through internal liquid circulation, high-temperature smoke waste heat recovery is realized, resource waste caused by direct discharge is avoided, the environment is influenced, the fuel utilization rate is improved, a driving motor 6 is utilized to drive a main chain wheel 7 to rotate, the main chain wheel 7 simultaneously drives auxiliary chain wheels 5 at the upper side and the lower side of the frame 1 to rotate through a chain 8, the auxiliary chain wheels 5 drive a screw shaft 4 to rotate, the screw shaft 4 drives a cleaning frame 3 to move, a matching controller 11 controls the driving motor 6 to rotate, the heat exchange efficiency of the heat exchange tube 2 is ensured, and the service life and the quality of the device are improved.

To facilitate understanding of the solution and effects of the embodiments of the present invention, a specific application example is given below. It will be understood by those skilled in the art that this example is merely for the purpose of facilitating understanding of the invention, and that any specific details thereof are not intended to limit the invention in any way.

It will be understood by those skilled in the art that the foregoing description of the embodiments of the invention is for the purpose of illustrating the beneficial effects of the embodiments of the invention only and is not intended to limit the embodiments of the invention to any of the examples given.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A metallurgical waste heat recovery device comprises a frame (1) and is characterized in that a heat exchange tube (2) is connected with the center of the interior of the frame (1) in a buckling manner, the middle part of the heat exchange tube (2) is connected with a cleaning frame (3) in a buckling way, the centers of the two sides of the cleaning frame (3) are both connected with a screw shaft (4) in a threaded way, one end of the screw shaft (4) is fixedly connected with an auxiliary chain wheel (5), the top of the frame (1) is fixedly connected with a driving motor (6), the output end of the driving motor (6) is fixedly connected with a main chain wheel (7), the surface of the main chain wheel (7) is in transmission connection with the surface of the auxiliary chain wheel (5) through a chain (8), the front and the back of the frame (1) are respectively fixedly connected with a front panel (9) and a back panel (10), and a controller (11) is fixedly connected to one side of the frame (1) far away from the driving motor (6).

2. A metallurgical waste heat recovery device according to claim 1, characterized in that the heat exchange tube (2) is an integrated bending tube frame made of high temperature resistant heat superconducting material, a liquid inlet (12) and a liquid outlet (13) are respectively arranged at the bottom of one side of the heat exchange tube (2) close to the controller (11), and the liquid inlet (12) and the liquid outlet (13) are connected with the frame (1) in a snap-fit manner and extend to the outside of the frame (1).

3. A metallurgical waste heat recovery device according to claim 1, characterized in that guide rods (14) are slidably connected to both ends of the cleaning frame (3) and both sides of the wire shaft (4), baffles (15) are slidably connected to both sides of the cleaning frame (3) and both sides of the wire shaft (4), both sides of the wire shaft (4) are rotatably connected to the inner wall of the frame (1), and both ends of the guide rods (14) and the baffles (15) are fixedly connected to the inner wall of the frame (1).

4. A metallurgical heat recovery device according to claim 1, characterized in that the main chain wheel (7) and the auxiliary chain wheel (5) are gears with the same diameter, and a protective cover (16) is fixedly connected to the surface of the frame (1) and the position corresponding to the chain (8).

5. A metallurgical waste heat recovery device according to claim 1, wherein the inner walls of the frame (1), the front panel (9) and the back panel (10) are all provided with insulating layers, insulating materials are arranged in the insulating layers, and the bottom of the front panel (9) and the upper part of the back panel (10) are respectively provided with an air inlet (17) and an air outlet (18).