阅读说明：本技术 高炉熔渣热能回收系统 (Blast furnace slag heat energy recovery system ) 是由 杨帆 孙厚才 于 2019-10-28 设计创作，主要内容包括：本发明公开了高炉熔渣热能回收系统,包括渣缸,用于承装高炉熔渣；旋转组件,置于渣缸上方,用于吸收高炉熔渣的热能；升降组件,位于渣缸、旋转组件的外侧,用于固定旋转组件,并在竖直方向上控制旋转组件的升降；电机组件,与旋转组件相连接,为旋转组件的水平转动提供动力；管道,装有液态金属,与旋转组件相连接,用于将旋转组件吸收的热量传导出去；液态金属泵组件,与管道相连接,为液态金属在管道内循环流动提供动力；热能交换器,所述液态金属经过热能交换器后,液态金属中的热能传递出去,温度变低。行星旋转轮自转和公转相结合的设置,公转搅动高炉熔渣,确保熔渣内的热量充分被吸收,行星旋转轮的自转,防止高炉熔渣粘在行星旋转轮上。(The invention discloses a blast furnace slag heat energy recovery system, which comprises a slag cylinder, a slag cylinder and a heat recovery device, wherein the slag cylinder is used for bearing blast furnace slag; the rotating assembly is arranged above the slag cylinder and used for absorbing the heat energy of the blast furnace slag; the lifting assembly is positioned on the outer sides of the slag cylinder and the rotating assembly, is used for fixing the rotating assembly and controls the lifting of the rotating assembly in the vertical direction; the motor assembly is connected with the rotating assembly and provides power for the horizontal rotation of the rotating assembly; the pipeline is filled with liquid metal, is connected with the rotating assembly and is used for conducting heat absorbed by the rotating assembly; the liquid metal pump assembly is connected with the pipeline and provides power for the liquid metal to circularly flow in the pipeline; and after the liquid metal passes through the heat energy exchanger, the heat energy in the liquid metal is transferred out, and the temperature becomes low. The planetary rotating wheel is arranged in a way of combining rotation and revolution, blast furnace slag is stirred through revolution, heat in the slag is fully absorbed, and the rotation of the planetary rotating wheel prevents the blast furnace slag from being stuck on the planetary rotating wheel.)

1. Blast furnace slag heat recovery system, its characterized in that: comprises a slag cylinder (1) used for loading blast furnace slag;

the rotating assembly (3) is arranged above the slag cylinder (1) and is used for absorbing the heat energy of blast furnace slag;

the lifting assembly (2) is positioned on the outer sides of the slag cylinder (1) and the rotating assembly (3) and is used for fixing the rotating assembly (3) and controlling the lifting of the rotating assembly (3) in the vertical direction;

the motor component (4) is connected with the rotating component (3) and provides power for the horizontal rotation of the rotating component (3);

the pipeline (5) is filled with liquid metal, is connected with the rotating assembly (3) and is used for conducting heat absorbed by the rotating assembly (3) out;

the liquid metal pump assembly (6) is connected with the pipeline (5) and provides power for the liquid metal to circularly flow in the pipeline (5);

and the heat energy exchanger (7) is used for transferring the heat energy in the liquid metal after the liquid metal passes through the heat energy exchanger, so that the temperature becomes low.

2. The blast furnace slag heat energy recovery system of claim 1, wherein: the heat energy exchanger (7) is a heat exchanger.

3. The blast furnace slag heat energy recovery system of claim 1, wherein: the heat energy exchanger (7) is an evaporator.

4. The blast furnace slag heat energy recovery system of claim 1, wherein: the rotating assembly (3) comprises a heat absorption head (301);

a planetary rotation wheel (302) which is positioned outside the heat absorption head (301), revolves around the heat absorption head (301) and rotates;

the planetary rotating arm (303) is connected with the planetary rotating wheel (302) and controls the rotation of the planetary rotating wheel (302);

the rotating gear pair (304) is connected with the planetary rotating arm (303), and the planetary rotating wheel (302) revolves around the heat absorbing head (301) and rotates under the action of the planetary rotating arm (303) and the rotating gear pair (304);

the heat insulation plate (305) is positioned between the planetary rotating arm (303) and the heat absorption head (301) and is used for preventing heat generated by the heat absorption head (301) from being conducted to the planetary rotating arm (303);

the bearing group (307) is positioned inside the planetary rotating arm (303) and is matched and connected with the planetary rotating wheel (302);

the bearing cover (306) covers the outer side of the bearing group (307) and is used for protecting the bearing group (307); and the liquid metal inlet and outlet pipeline (308) is arranged inside the heat absorption head (301) and is communicated with the pipeline (5).

5. The blast furnace slag heat energy recovery system of claim 1, wherein: the rotating gear pair (304) comprises a driving gear (3041) and a driven gear (3042), the rotation of the driving gear (3041) drives the driven gear (3042) to rotate, the driving gear (3041) controls the planetary rotating wheel (302) to rotate, and the driven gear (3042) controls the planetary rotating wheel (302) to revolve.

6. The blast furnace slag heat energy recovery system of claim 4, wherein: the heat absorption head (301) is coated with a high-temperature resistant coating.

Technical Field

The invention relates to the technical field of blast furnace material waste heat recovery and utilization, in particular to a blast furnace slag heat energy recovery system.

Background

In the production of products in some industries, a large amount of industrial heat radiation is often generated, such as in the nonferrous metal industry.

The non-ferrous metal industry provides important basic raw materials for the development of national economy, and belongs to resource-intensive industries with large energy and resource consumption. And a large amount of waste is discharged while non-ferrous metal products are produced, so that the environment is seriously polluted. Although the non-ferrous metal industry is a big consumer of energy consumption and pollution discharge in the national economic field, the non-ferrous metal industry is also one of the industries with great potential of energy conservation and emission reduction. Wherein, the recycling of various residual heat is an important breakthrough for further energy conservation in the nonferrous metal industry.

Blast furnace slag is a byproduct formed by gangue in ores, ash in fuel and non-volatile components in flux in a blast furnace smelting process, and is a high-quality heat energy resource, if the waste heat is not recovered, energy waste is caused, and when a scheme of absorbing industrial heat radiation by using a heat radiation absorbing material meets a blast furnace environment, the service life of the scheme is usually greatly reduced, so that the waste heat recovery efficiency is poor.

To solve this problem, the present invention is hereby proposed.

Disclosure of Invention

The invention aims to provide a blast furnace slag heat energy recovery system for recovering blast furnace slag heat energy.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

the blast furnace slag heat energy recovery system comprises a slag cylinder, a slag tank and a heat recovery system, wherein the slag cylinder is used for bearing blast furnace slag;

the rotating assembly is arranged above the slag cylinder and used for absorbing the heat energy of the blast furnace slag;

the lifting assembly is positioned on the outer sides of the slag cylinder and the rotating assembly, is used for fixing the rotating assembly and controls the lifting of the rotating assembly in the vertical direction;

the motor assembly is connected with the rotating assembly and provides power for horizontal self-transmission of the rotating assembly;

the pipeline is filled with liquid metal, is connected with the rotating assembly and is used for conducting heat absorbed by the rotating assembly;

the liquid metal pump assembly is connected with the pipeline and provides power for the liquid metal to circularly flow in the pipeline; and after the liquid metal passes through the heat energy exchanger, the heat energy in the liquid metal is transferred out, and the temperature becomes low.

Preferably, the thermal energy exchanger is a heat exchanger.

Preferably, the thermal energy exchanger is an evaporator.

Further, the rotating assembly includes a heat absorption head; the planet rotating wheel is positioned outside the heat absorption head, revolves around the heat absorption head and rotates; the planet rotating arm is connected with the planet rotating wheel and controls the rotation of the planet rotating wheel; the planetary rotating wheel revolves around the heat absorption head and rotates under the action of the planetary rotating arm and the rotating gear pair; the heat insulation plate is positioned between the planetary rotating arm and the heat absorption head and is used for preventing heat generated by the heat absorption head from being conducted to the planetary rotating arm;

the bearing group is positioned inside the planetary rotating arm and is matched and connected with the planetary rotating wheel;

the bearing cover covers the outer side of the bearing group and is used for protecting the bearing group; and the liquid metal inlet and outlet pipeline is arranged on the inner side of the heat absorption head and is communicated with the pipeline.

Furthermore, rotatory gear pair includes driving gear and driven gear, the rotation of driving gear drives driven gear and rotates, and the rotation of driving gear control planet swiveling wheel, driven gear control planet swiveling wheel revolution.

Furthermore, a high-temperature-resistant coating is coated outside the heat absorption head.

Advantageous effects

1. The liquid metal flows in the pipeline, so that heat in the blast furnace slag can be taken away, and meanwhile, the heat exchanger can collect and utilize the heat.

2. The lifting assembly is used for controlling the movement of the rotating assembly in the vertical direction, so that the rotating assembly can absorb the heat energy of the blast furnace slag more flexibly.

3. The setting that planet swiveling wheel rotation and revolution combined together, the revolution can mix blast furnace slag, ensures that the heat in the blast furnace slag fully distributes out and is absorbed by the liquid metal in the liquid metal business turn over pipeline, and simultaneously, the rotation of planet swiveling wheel prevents that blast furnace slag from gluing on the planet swiveling wheel, causes the planet swiveling wheel to be heated unevenly simultaneously influencing the rotation of planet swiveling wheel.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a blast furnace slag heat recovery system according to the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

FIG. 3 is another angle structure diagram of FIG. 2;

FIG. 4 is a schematic plan view of a rotary gear set of the present invention.

The following are the references of the attached drawings in the blast furnace slag heat energy recovery system, and the product can be clearly understood through the description of the attached drawings and the corresponding references.

1. A slag jar; 2. a lifting assembly; 3. a rotating assembly; 301. a heat absorption head; 302. a planetary rotation wheel; 303. a planetary rotating arm; 304. a rotary gear pair; 3041. a driving gear; 3042. a driven gear; 305. a heat insulation plate; 306. a bearing cap; 307. a bearing set; 308. a liquid metal inlet and outlet pipe; 4. a motor assembly; 5. a pipeline; 6. a liquid metal pump assembly; 7. a thermal energy exchanger.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1, the blast furnace slag heat energy recovery system comprises a slag cylinder 1 for containing blast furnace slag;

the rotating assembly 3 is arranged above the slag cylinder 1 and is used for absorbing the heat energy of blast furnace slag;

the lifting assembly 2 is positioned on the outer sides of the slag cylinder 1 and the rotating assembly 3, is used for fixing the rotating assembly 3 and controls the lifting of the rotating assembly 3 in the vertical direction;

the motor component 4 is connected with the rotating component 3 and provides power for the horizontal rotation of the rotating component 3;

a pipe 5 filled with liquid metal and connected to the rotating assembly 3 for conducting away heat absorbed by the rotating assembly 3;

the liquid metal pump assembly 6 is connected with the pipeline 5 and provides power for the liquid metal to circularly flow in the pipeline 5;

and the heat energy exchanger 7 is used for transferring the heat energy in the liquid metal after the liquid metal passes through the heat energy exchanger, so that the temperature becomes low.

Along with the flow of the liquid metal in the pipeline, the heat in the blast furnace slag can be taken away, and meanwhile, the liquid metal can be collected and utilized through the heat exchanger.

The lifting assembly 2 is used for the vertical movement of the rotating assembly 3, so that the rotating assembly 3 can absorb the heat energy of the blast furnace slag more flexibly.

Preferably, the thermal energy exchanger 7 is a heat exchanger.

Preferably, said thermal energy exchanger 7 is an evaporator.

Referring to fig. 2-3, the rotating assembly 3 includes a thermal head 301;

a planetary rotor 302 which is located outside the heat absorption head 301, revolves around the heat absorption head 301 and rotates;

a planetary rotation arm 303 connected to the planetary rotation wheel 302 to control rotation of the planetary rotation wheel 302; a rotary gear pair 304 connected to the planetary rotation arm 303, wherein the planetary rotation wheel 302 revolves around the heat absorption head 301 and rotates under the action of the planetary rotation arm 303 and the rotary gear pair 304;

the planetary rotating wheel 302 revolves to stir blast furnace slag, so that heat in the blast furnace slag is fully dissipated, and meanwhile, the planetary rotating wheel 302 rotates to prevent the blast furnace slag from being adhered to the planetary rotating wheel 302 to influence the rotation of the planetary rotating wheel 302.

The heat insulation plate 305 is positioned between the planetary rotation arm 303 and the heat absorption head 301 and is used for preventing heat generated by the heat absorption head 301 from being conducted to the planetary rotation arm 303;

the bearing group 307 is positioned inside the planetary rotating arm 303 and is matched and connected with the planetary rotating wheel 302;

the bearing cover 306 covers the outer side of the bearing set 307, and is used for stabilizing and protecting the bearing set 307 so as to prevent the bearing set 307 from being polluted by the outside.

And a liquid metal inlet/outlet pipe 308 provided inside the heat absorption head 301 and connected to the pipe 5, wherein the liquid metal flows through the liquid metal inlet/outlet pipe 308 and the pipe 5. The liquid metal inlet and outlet pipe 308 is a main heat absorbing component of the heat absorbing head 301, and the heat energy generated by the blast furnace slag is taken away through the flowing liquid metal, specifically, the low-temperature liquid metal passes through the blast furnace slag, the temperature of the liquid metal in the pipe is raised by the heat of the blast furnace slag, and the high-temperature liquid metal continuously flows away to take away the heat of the blast furnace slag.

Furthermore, a high-temperature-resistant coating is coated outside the heat absorption head, and the high-temperature-resistant coating is used for protecting the heat absorption head and preventing the heat absorption head from being scalded by high temperature so as to prolong the service life of the heat absorption head.

Referring to fig. 4, the rotary gear pair 304 includes a driving gear 3041 and a driven gear 3042, the driving gear 3041 rotates to drive the driven gear 3042 to rotate, the driving gear 3041 controls the planetary rotary wheel 302 to rotate, and the driven gear 3042 controls the planetary rotary wheel 302 to revolve.

When the blast furnace slag heat energy recovery system works, the specific process flow is as follows:

1. blast furnace slag is poured into the slag cylinder and placed below the lifting assembly;

2. starting the liquid metal pump assembly to enable the liquid metal to flow through the rotating assembly, the heat exchanger or the evaporator along the pipeline in a circulating mode;

3. starting a rotating assembly, wherein a planetary rotating wheel in the rotating assembly revolves around a heat absorption head and rotates under the action of a planetary rotating arm and a rotating gear pair;

4. starting the lifting assembly to move downwards, and slowly descending the rotating assembly under the action of the rotating assembly and feeding the rotating assembly into blast furnace slag in the slag cylinder;

5. a heat absorption head in the rotating assembly absorbs heat through liquid metal, and the planetary rotating wheel is used for stirring;

6. after absorbing heat, the liquid metal enters a heat exchanger/evaporator through a pipeline, and is pumped into a heat absorption head through a pump assembly for circulation after the temperature of the liquid metal is reduced;

7. and when the temperature of the blast furnace slag in the slag cylinder is reduced to be close to the solidification temperature, starting the lifting assembly to ascend to the top end.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.