Flue gas purification device with waste heat recovery function in power plant

Abstract

The utility model relates to the technical field of flue gas purification devices, and discloses a flue gas purification device with a waste heat recovery function in a power plant, which comprises a connecting pipe, a water tank is fixedly arranged on the outer side of the connecting pipe, guide pipes are fixedly communicated with the upper side and the lower side of the water tank, and one end of each guide pipe is fixedly connected with a first connector. A guide plate is fixedly arranged in the water tank, two fixing plates are fixedly arranged at the top of the water tank, a baffle is fixedly connected between the tops of the two fixing plates, a second connector is fixedly connected to the bottom end of the connecting pipe, a pipeline is connected to the interior of the second connector, and a filtering structure is arranged in the second connector. The pipeline is connected with the connecting pipe through the second connector, flue gas can be exhausted through the connecting pipe, meanwhile, an external water source is communicated with the water tank through the guide pipe and the first connector, the water flowing length can be increased through the guide plate in the water tank, and therefore heat of the flue gas is recycled, and resource waste is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of flue gas purification devices, specifically a flue gas purification device with waste heat recovery function in a power plant. Background Technology

[0002] Power plants are factories that convert various primary energy sources found in nature into electrical energy. Power plants have various power generation methods, including thermal power generation (thermal power plants), hydropower generation (hydropower plants), solar power generation (photovoltaic power plants), wind power generation, and tidal power generation. These power plants utilize different energy forms to convert mechanical energy into electrical energy through generators to meet the electricity needs of society and the economy. Thermal power generation is one of the most common power generation methods. It uses the heat energy generated by burning fossil fuels such as coal, oil, and natural gas to heat water, turning the water into high-temperature and high-pressure steam, which drives a turbine generator to generate electricity. However, when the flue gas from the combustion is emitted, there is a lack of heat recovery from the flue gas, resulting in the direct emission of flue gas and causing resource waste. Therefore, a flue gas purification device with waste heat recovery function in power plants is proposed. Summary of the Invention

[0003] The purpose of this utility model is to provide a flue gas purification device with waste heat recovery function in power plants, so as to solve the problem mentioned in the background art that when flue gas is emitted from combustion, the lack of heat recovery in the flue gas leads to direct emission of flue gas and waste of resources.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a flue gas purification device with waste heat recovery function in a power plant, comprising a connecting pipe, a water tank fixedly installed on the outside of the connecting pipe, conduits fixedly connected to the upper and lower sides of the water tank, a first connector fixedly connected to one end of the conduits, a guide plate fixedly installed inside the water tank, two fixed plates fixedly installed on the top of the water tank, a baffle fixedly connected between the tops of the two fixed plates, a second connector fixedly connected to the bottom end of the connecting pipe, a pipe connected inside the second connector, and a filter structure installed inside the second connector.

[0005] Preferably, the filter structure includes a mounting plate, which is fastened inside the second connector. An annular limiting plate is fixedly provided on the inner wall of the second connector. The annular limiting plate is fastened to the outer inner wall of the mounting plate. Two pull plates are fixedly provided inside the mounting plate. A connecting seat is provided at the top of the mounting plate. A threaded connector is integrally machined at the bottom of the connecting seat and is connected to the top of the mounting plate. A filter element is provided inside the connecting seat and extends into the connecting tube.

[0006] Preferably, the water tank has through holes on both the upper and lower sides, and the conduit is connected to the through holes.

[0007] Preferably, the guide plate is processed into a spiral shape and is fixedly installed inside the water tank.

[0008] Preferably, the mounting plate has a slot on its outer side, and the annular limiting plate is fastened to the slot by an interference fit.

[0009] Preferably, the mounting plate has a threaded hole on its top, and the threaded connector is threaded into the threaded hole.

[0010] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0011] This utility model, by setting up a water tank, a conduit, a first connector, and a guide plate, allows for the following operation: During use, the filter element is secured inside the connector, and the mounting plate is installed inside the second connector. The filter element at the top of the mounting plate is inserted into the connecting pipe, which is connected to the second connector. When flue gas is discharged through the connecting pipe, the filter element filters the gas, preventing direct emission and pollution. As the flue gas is discharged through the connecting pipe, an external water source is connected to the water tank via the conduit and the first connector. The guide plate inside the water tank increases the length of the water flow, thereby recovering and utilizing the heat from the flue gas and preventing resource waste. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a cross-sectional structural diagram of the present invention;

[0014] Figure 2 This is a side view of the structure of this utility model;

[0015] Figure 3 For the present utility model Figure 1 A magnified structural diagram of A in the diagram.

[0016] Explanation of reference numerals in the attached drawings: 1. Connecting pipe; 2. Water tank; 3. Conduit; 4. First connector; 5. Guide plate; 6. Fixing plate; 7. Baffle; 8. Second connector; 9. Pipe; 10. Mounting plate; 11. Annular limiting plate; 12. Pull plate; 13. Connecting seat; 14. Threaded connector; 15. Filter element. Detailed Implementation

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce. Example

[0019] In existing technologies, the lack of heat recovery from the flue gas during combustion results in direct emission of the flue gas, leading to resource waste.

[0020] Please see Figure 1-3 This utility model provides a technical solution: a flue gas purification device with waste heat recovery function in a power plant, including a connecting pipe 1, a water tank 2 fixedly installed on the outside of the connecting pipe 1, and conduits 3 fixedly connected to both the upper and lower sides of the water tank 2. One end of the conduit 3 is fixedly connected to a first connector 4. A guide plate 5 is fixedly installed inside the water tank 2. Two fixed plates 6 are fixedly installed on the top of the water tank 2, and a baffle 7 is fixedly connected between the tops of the two fixed plates 6. A second connector 8 is fixedly connected to the bottom of the connecting pipe 1. A pipe 9 is connected inside the second connector 8. A filter structure is installed inside the second connector 8. In use, the pipe 9 is connected to the connecting pipe 1 through the second connector 8, and the flue gas will be discharged through the connecting pipe 1. At the same time, an external water source is connected to the water tank 2 through the conduit 3 and the first connector 4. The guide plate 5 inside the water tank 2 will increase the length of the water flow, thereby recovering and utilizing the heat of the flue gas and avoiding resource waste.

[0021] The filter structure includes a mounting plate 10, which is fastened inside the second connector 8. An annular limiting plate 11 is fixedly installed on the inner wall of the second connector 8, and the annular limiting plate 11 is fastened to the outer inner wall of the mounting plate 10. Two pull plates 12 are fixedly installed inside the mounting plate 10. A connecting seat 13 is provided on the top of the mounting plate 10. A threaded connector 14 is integrally machined on the bottom of the connecting seat 13 and is connected to the top of the mounting plate 10. A filter element 15 is provided inside the connecting seat 13 and extends into the connecting pipe 1. In use, the filter element 15 is fastened inside the connecting seat 13 and connected to the top of the mounting plate 10 through the threaded connector 14. The mounting plate 10 is fastened inside the second connector 8 through the annular limiting plate 11. When the flue gas is discharged through the connecting pipe 1, the filter element 15 will filter the flue gas to prevent direct emission and pollution.

[0022] The water tank 2 has through holes on both the upper and lower sides, and the conduit 3 is connected to the through holes to recover and utilize the heat of the flue gas through the water tank 2.

[0023] The guide plate 5 is processed into a spiral shape and is fixedly installed inside the water tank 2, thereby increasing the length of the water flow.

[0024] The mounting plate 10 has a slot on its outer side, and the annular limiting plate 11 is fastened to the slot by interference fit, thereby limiting and fixing the mounting plate 10.

[0025] The top of the mounting plate 10 has a threaded hole, and the threaded connector 14 is threadedly connected to the threaded hole. The connector 13 is installed on the top of the mounting plate 10 through the threaded connector 14.

[0026] In terms of working principle or structural principle, during use, the filter element 15 is fastened inside the connecting seat 13. The filter element 15 is connected to the top of the mounting plate 10 through the threaded connector 14, thereby installing the filter element 15 on the top of the mounting plate 10. The mounting plate 10 is installed inside the second connector 8. The annular limiting plate 11 inside the second connector 8 will engage with the outside of the mounting plate 10, thereby limiting and fixing the mounting plate 10. The filter element 15 at the top of the mounting plate 10 will be inserted into the connecting pipe 1. Then, the pipe 9 is connected to the second connector 8. When the flue gas is discharged through the connecting pipe 1, the filter element 15 will filter the flue gas to avoid pollution caused by direct emission. When the flue gas is discharged through the connecting pipe 1, the external water source is connected to the water tank 2 through the conduit 3 and the first connector 4. The guide plate 5 inside the water tank 2 will increase the length of the water flow, thereby recovering and utilizing the heat of the flue gas and avoiding resource waste.

[0027] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A flue gas purification device with waste heat recovery function in a power plant, comprising a connecting pipe (1), characterized in that: A water tank (2) is fixedly installed on the outside of the connecting pipe (1). The upper and lower sides of the water tank (2) are fixedly connected to the conduit (3). One end of the conduit (3) is fixedly connected to the first connector (4). A guide plate (5) is fixedly installed inside the water tank (2). Two fixing plates (6) are fixedly installed on the top of the water tank (2). A baffle (7) is fixedly connected between the tops of the two fixing plates (6). A second connector (8) is fixedly connected to the bottom of the connecting pipe (1). A pipe (9) is connected inside the second connector (8). A filter structure is installed inside the second connector (8).

2. The flue gas purification device with waste heat recovery function in a power plant according to claim 1, characterized in that: The filter structure includes a mounting plate (10), which is fastened inside the second connector (8). An annular limiting plate (11) is fixedly provided on the inner wall of the second connector (8). The annular limiting plate (11) is fastened on the outer inner wall of the mounting plate (10). Two pull plates (12) are fixedly provided inside the mounting plate (10). A connecting seat (13) is provided on the top of the mounting plate (10). A threaded connector (14) is integrally machined on the bottom of the connecting seat (13) and is connected to the top of the mounting plate (10). A filter element (15) is provided inside the connecting seat (13) and extends into the connecting pipe (1).

3. A flue gas purification device with waste heat recovery function in a power plant according to claim 1, characterized in that: The water tank (2) has through holes on both the upper and lower sides, and the conduit (3) is connected to the through holes.

4. A flue gas purification device with waste heat recovery function in a power plant according to claim 1, characterized in that: The guide plate (5) is processed into a spiral shape and is fixedly installed inside the water tank (2).

5. A flue gas purification device with waste heat recovery function in a power plant according to claim 2, characterized in that: The mounting plate (10) has a slot on its outer side, and the annular limiting plate (11) is fastened to the slot by an interference fit.

6. A flue gas purification device with waste heat recovery function in a power plant according to claim 2, characterized in that: The mounting plate (10) has a threaded hole on its top, and the threaded connector (14) is threadedly connected to the threaded hole.

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