Stirring type high-temperature slag waste heat recovery power generation device

Abstract

The utility model relates to the technical field of high-carbon ferrochrome slag, and discloses a stirring type high-temperature slag waste heat recovery power generation device which comprises a recovery assembly and a stirring assembly installed on the recovery assembly, the recovery assembly comprises a recovery tank, a feeding port is formed in the top end of the recovery tank, and a cooling water pipe is fixedly connected to the inner wall of the recovery tank. The stirring assembly comprises a motor, the output end of the motor is fixedly connected with a transmission shaft, the upper end of the transmission shaft is fixedly connected with a scattering disc, and the upper surface of the scattering disc is connected with a scattering column; the stirring assembly is arranged, slag directly falls onto the scattering disc from the feeding port and is directly scattered under the action of the scattering columns, the scattering pieces and centrifugal force, the contact area between the slag and water is increased, and therefore the slag can be cooled more thoroughly.

Description

Technical Field

[0001] The utility model relates to the technical field of high-carbon ferrochrome slag, in particular to a stirring type high-temperature slag waste heat recovery power generation device. Background Technique

[0002] The stirring type high-temperature slag waste heat recovery technology is an efficient and environment-friendly technological innovation aimed at solving the problems of blast furnace slag heat treatment in the traditional iron and steel industry. It uses a high-speed rotating granulator to granulate liquid slag into small droplets under the action of centrifugal force, and realizes the rapid cooling and solidification of the slag through direct or indirect efficient heat exchange with air or water.

[0003] However, the existing waste heat recovery device directly adds the molten slag into the slag pool to react with water, thereby generating a large amount of steam, which drives a steam turbine to operate, and then drives a generator to generate electricity through the steam turbine. After the molten slag directly contacts water, it will cool into larger blocks over time, making it difficult to clean. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the existing waste heat recovery device directly adds molten slag into the slag pool to react with water, thereby generating a large amount of steam, which drives a steam turbine to operate, and then drives a generator to generate electricity through the steam turbine. After the molten slag directly contacts water, it will cool into larger blocks over time, making it difficult to clean. Therefore, a stirring type high-temperature slag waste heat recovery power generation device is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A stirring type high-temperature slag waste heat recovery power generation device includes a recovery component and a stirring component installed on the recovery component. The recovery component includes a recovery tank. A feed port is arranged at the top end of the recovery tank. A cooling water pipe is fixedly connected to the inner wall of the recovery tank. One end of the cooling water pipe penetrates through the recovery tank and extends to the outside. A steam turbine is arranged on one side of the recovery tank. The recovery tank and the steam turbine are connected together through a steam main pipe. The output end of the steam turbine is fixedly connected to a generator. The stirring component includes a motor. The motor is installed in the middle of the top end of the recovery tank. The output end of the motor is fixedly connected to a transmission shaft. A dispersing disc is fixedly connected to the upper end of the transmission shaft. A dispersing column is connected to the upper surface of the dispersing disc. A dispersing blade is arranged beside the dispersing column. The dispersing blade is fixedly installed on the upper surface of the dispersing disc. The lower end of the transmission shaft is fixedly connected to a dispersing cover. The lower end of the transmission shaft is fixedly connected to an installation ring. Stirring blades are fixedly connected to the outer surface of the installation ring. The stirring blades are arranged inside the dispersing cover.

[0006] Preferably, the lower bottom surface of the recovery tank is fixedly connected with legs;

[0007] Used to support the whole device so that it can work normally.

[0008] Preferably, a lid is rotatably connected to the upper end of the feed inlet, and a handle is fixedly connected to the upper surface of the lid;

[0009] It is used to conveniently open or close the feed inlet.

[0010] Preferably, a plurality of spray nozzles are threadedly connected to the cooling water pipe;

[0011] It is used to make the water used for cooling sprayed more evenly and increase its contact area with the molten slag.

[0012] Preferably, a base is provided on the lower bottom surface of the steam turbine, a machine base is fixedly connected to one side of the steam turbine, and the generator is fixedly installed on the upper surface of the machine base;

[0013] While supporting the steam turbine, the generator is installed at a designated position so that it can work normally.

[0014] Preferably, a valve is installed on the main steam pipe, and a pressure gauge is installed on the main steam pipe;

[0015] It is used to conveniently open or cut off the main steam pipe and monitor the pressure data of the main steam pipe in real time.

[0016] Preferably, the dispersing piece is provided with dispersing holes;

[0017] It is used to increase the dispersing ability of the dispersing piece.

[0018] Preferably, a plurality of through holes are provided on the dispersing cover;

[0019] The molten slag falling to the bottom of the recovery tank is secondarily stirred to make its cooling more thorough.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. A stirring type high-temperature molten slag waste heat recovery power generation device proposed by the utility model, by setting a stirring assembly, the molten slag directly falls onto the dispersing plate from the feed inlet and is directly dispersed under the action of the dispersing column, the dispersing piece and the centrifugal force, increasing its contact area with water, so that its cooling is more thorough.

[0022] 2. A stirring type high-temperature molten slag waste heat recovery power generation device proposed by the utility model, by setting a recovery assembly, the steam generated by the recovery tank is conveyed to the steam turbine through the main steam pipe, and then the steam turbine drives the generator to generate electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2Schematic diagram of the overall structure of the stirring component of the present utility model;

[0025] Figure 3 Partial schematic diagram of the overall structure of the recycling component of the present utility model;

[0026] Figure 4 Enlarged schematic diagram of part A of the present utility model;

[0027] Figure 5 Schematic diagram of the overall structure of the steam turbine of the present utility model;

[0028] Figure 6 Schematic diagram of the overall structure of the cooling water pipe of the present utility model;

[0029] Figure 7 Schematic diagram of the overall structure of the dispersing plate of the present utility model;

[0030] Legend description:

[0031] 1. Recycling component; 11. Recycling tank; 111. Leg; 12. Feed inlet; 121. Lid; 122. Handle; 13. Cooling water pipe; 131. Sprinkler head; 14. Steam turbine; 141. Base; 142. Machine base; 15. Main steam pipe; 151. Valve; 152. Pressure gauge; 16. Generator; 2. Stirring component; 21. Motor; 22. Transmission shaft; 23. Dispersing plate; 24. Dispersing column; 25. Dispersing piece; 251. Dispersing hole; 26. Dispersing cover; 261. Through hole; 27. Installation ring; 28. Stirring piece. Detailed implementation manners

[0032] 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.

[0033] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. The terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] Referring to Figure 1-7 , an embodiment provided by the present utility model: a stirring type high-temperature molten slag waste heat recovery power generation device, which includes a recovery component 1 and a stirring component 2 installed on the recovery component 1. The recovery component 1 includes a recovery tank 11. A feed port 12 is provided at the top of the recovery tank 11 to facilitate adding molten slag into the recovery tank 11. A cooling water pipe 13 is fixedly connected to the inner wall of the recovery tank 11 to cool the molten slag and generate steam. One end of the cooling water pipe 13 penetrates through the recovery tank 11 and extends to the outside. A steam turbine 14 is provided on one side of the recovery tank 11 to drive a generator 16 by using steam. The recovery tank 11 and the steam turbine 14 are connected together through a steam main pipe 15. The output end of the steam turbine 14 is fixedly connected to a generator 16. The stirring component 2 includes a motor 21 and a driving transmission shaft 22. The motor 21 is installed in the middle of the top of the recovery tank 11. The output end of the motor 21 is fixedly connected to the transmission shaft 22. The upper end of the transmission shaft 22 is fixedly connected to a dispersion disk 23 to perform a dispersion operation on the molten slag entering the recovery tank 11. The upper surface of the dispersion disk 23 is connected to dispersion columns 24. A dispersion piece 25 is provided beside the dispersion column 24. The dispersion piece 25 is fixedly installed on the upper surface of the dispersion disk 23. The lower end of the transmission shaft 22 is fixedly connected to a dispersion cover 26 to perform a secondary dispersion on the molten slag. The lower end of the transmission shaft 22 is fixedly connected to an installation ring 27. The outer surface of the installation ring 27 is fixedly connected to stirring blades 28. The stirring blades 28 are arranged inside the dispersion cover 26.

[0035] The lower bottom surface of the recovery tank 11 is fixedly connected with legs 111 to support the recovery tank 11 so that it can work properly. The upper end of the feed inlet 12 is rotatably connected with a lid 121 to prevent steam from overflowing. The upper surface of the lid 121 is fixedly connected with a handle 122 to facilitate opening or closing the lid 121. A plurality of spray nozzles 131 are threadedly connected to the cooling water pipe 13 to make the sprayed cool water more uniform and increase its contact area with the slag. The lower bottom surface of the steam turbine 14 is provided with a base 141. One side of the steam turbine 14 is fixedly connected with a machine base 142. The generator 16 is fixedly installed on the upper surface of the machine base 142 to provide a supporting force for the generator 16 so that it can work properly. A valve 151 is installed on the steam main pipe 15 to facilitate opening or cutting off the steam main pipe 15. And a pressure gauge 152 is installed on the steam main pipe 15 to monitor the pressure of the steam main pipe 15 in real time. The dispersion piece 25 is provided with dispersion holes 251 to increase the dispersion efficiency of the dispersion piece 25. The dispersion cover 26 is provided with a plurality of through holes 261 to increase the dispersion efficiency of the dispersion cover 26.

[0036] Working principle: First, start the motor 21 to drive the transmission shaft 22 to operate. At the same time, connect the cooling water pipe 13 to a water source. Then add the high-temperature slag into the recovery tank 11 from the feed inlet 12. The high-temperature slag falls onto the dispersion disk 23 and is dispersed under the action of centrifugal force, the dispersion columns 24 and the dispersion piece 25. Then it contacts the water used for cooling, generating a large amount of steam while the high-temperature slag is quickly cooled and falls to the lower end of the recovery tank 11. It undergoes a secondary stirring operation under the combined action of the stirring blades 28 and the dispersion cover 26. At the same time, the steam is transported to the steam turbine 14 through the steam main pipe 15, and the steam turbine 14 drives the generator 16 to work to complete the power generation operation.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stirring-type high-temperature molten slag waste heat recovery power generation device, comprising a recovery component (1) and a stirring component (2) installed on the recovery component (1), characterized in that: The recovery component (1) includes a recovery tank (11). An inlet (12) is provided at the top of the recovery tank (11). A cooling water pipe (13) is fixedly connected to the inner wall of the recovery tank (11). One end of the cooling water pipe (13) penetrates through the recovery tank (11) and extends to the outside. A steam turbine (14) is provided on one side of the recovery tank (11). The recovery tank (11) and the steam turbine (14) are connected together through a main steam pipe (15). A generator (16) is fixedly connected to the output end of the steam turbine (14). The stirring component (2) includes a motor (21). The motor (21) is installed in the middle of the top of the recovery tank (11). A transmission shaft (22) is fixedly connected to the output end of the motor (21). A dispersing disk (23) is fixedly connected to the upper end of the transmission shaft (22). Dispersing columns (24) are connected to the upper surface of the dispersing disk (23). A dispersing piece (25) is arranged beside the dispersing column (24). The dispersing piece (25) is fixedly installed on the upper surface of the dispersing disk (23). A dispersing cover (26) is fixedly connected to the lower end of the transmission shaft (22). An installation ring (27) is fixedly connected to the lower end of the transmission shaft (22). Stirring blades (28) are fixedly connected to the outer surface of the installation ring (27). The stirring blades (28) are arranged inside the dispersing cover (26).

2. The stirring type high-temperature slag waste heat recovery power generation device according to claim 1, characterized in that: The lower bottom surface of the recovery tank (11) is fixedly connected with legs (111).

3. The stirring type high-temperature slag waste heat recovery power generation device according to claim 1, wherein: The upper end of the inlet (12) is rotatably connected with a lid (121). A handle (122) is fixedly connected to the upper surface of the lid (121).

4. A stirring type high-temperature slag waste heat recovery power generation device according to claim 1, characterized in that: Multiple spray heads (131) are threadedly connected to the cooling water pipe (13).

5. A stirring type high-temperature slag waste heat recovery power generation device according to claim 1, characterized in that: A base (141) is arranged on the lower bottom surface of the steam turbine (14). A machine base (142) is fixedly connected to one side of the steam turbine (14). The generator (16) is fixedly installed on the upper surface of the machine base (142).

6. The stirring type high-temperature molten slag waste heat recovery power generation device according to claim 1, characterized in that: A valve (151) is installed on the main steam pipe (15), and a pressure gauge (152) is installed on the main steam pipe (15).

7. A stirring type high-temperature molten slag waste heat recovery power generation device according to claim 1, characterized in that: Dispersing holes (251) are formed in the dispersing piece (25).

8. A stirring type high-temperature molten slag waste heat recovery power generation device according to claim 1, characterized in that: Multiple through holes (261) are formed in the dispersing cover (26).

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