Environmental protection structure for thermal energy power engineering of power plant

Abstract

The utility model discloses an environmental protection structure for thermal energy power engineering of a power plant, and relates to the technical field of environmental protection devices. A water storage tank is fixedly connected to the inner bottom wall of the box body, an air inlet pipe is fixedly connected to the lower portion of the side wall of the box body in a penetrating mode, one end of the air inlet pipe extends into the water storage tank, a discharge pipe is arranged in the water storage tank, an air outlet hole is formed in the side wall of the discharge pipe in a penetrating mode, and a liquid storage cylinder is arranged in the box body and located above the water storage tank. A frame body is fixedly connected to the side wall of the liquid storage cylinder in a penetrating mode, an induced draft fan is arranged in the frame body, a conical pipe is fixedly connected to the position, at the output end of the induced draft fan, of the side wall of the frame body, a vertical pipe is fixedly connected to the pipe end of the conical pipe, a filter shell is detachably arranged on the top face of the liquid storage cylinder, and a filter element is arranged in the filter shell; according to the flue gas purification device, the flue gas discharged by the combustion furnace of the power plant can be effectively subjected to impurity removal and filtration, so that the pollution to the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection device technical field, concretely is environmental protection structure for power plant heat energy power engineering. BACKGROUND

[0002] Power plant heat energy power engineering mostly refers to the process that heat energy is converted into electric energy in power plant, and the main power generation method in China is thermal power generation, when burning for power generation in power plant, the flue gas needs to be treated for environmental protection.

[0003] Although the prior art can treat the waste gas generated in the working process of power plant through the environmental protection device, the waste gas treatment equipment only filters the waste gas through the ordinary filter screen, thereby leading to poor environmental protection, and the environmental protection structure for power plant heat energy power engineering is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve the problem that the existing environmental protection structure for power plant heat energy power engineering cannot filter the waste gas well, the utility model aims at providing an environmental protection structure for power plant heat energy power engineering.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: an environmental protection structure for power plant heat energy power engineering, comprising a box body, the inner bottom wall of the box body is fixedly connected with a water storage tank, the lower part of the side wall of the box body is fixedly connected with an air inlet pipe, one end of the air inlet pipe extends into the water storage tank, the inside of the water storage tank is provided with a discharge pipe, the side wall of the discharge pipe is provided with a gas outlet hole, the inside of the box body and above the water storage tank is provided with a liquid storage cylinder, the side wall of the liquid storage cylinder is fixedly connected with a frame body, the inside of the frame body is provided with an air induction fan, the side wall of the frame body and the output end of the air induction fan are fixedly connected with a conical pipe, the pipe end of the conical pipe is fixedly connected with a vertical pipe, the bottom end of the vertical pipe is located in the lower part of the liquid storage cylinder, the top surface of the liquid storage cylinder is detachably provided with a filter shell, and the inside of the filter shell is provided with a filter core.

[0006] Preferably, the input end of the air inlet pipe is fixedly connected with a connector, the output end of the air inlet pipe is fixedly connected with a horizontal pipe, one end of the discharge pipe penetrates the horizontal pipe, and the discharge pipe is fixed with the horizontal pipe, the flue gas discharge end of the power plant combustion furnace is connected with the air inlet pipe through the connector, the flue gas enters the discharge pipe through the air inlet pipe and the horizontal pipe, and then is discharged through the gas outlet hole, the water in the water storage tank can filter the particles and impurities contained in the flue gas, so that the particles do not rise with the flue gas, and the discharge pipe is provided with a plurality of discharge pipes, so that the flue gas can be discharged in multiple areas of the water, so as to improve the impurity removal effect.

[0007] Preferably, the side wall of the exhaust pipe is fixedly sleeved with a supporting plate, the bottom surface of the supporting plate is fixedly connected with the inner bottom wall of the box body, the supporting plate is used for supporting and fixing the exhaust pipe, the side wall of the storage liquid cylinder is fixedly connected with a fixing frame, one surface of the fixing frame away from the storage liquid cylinder is fixedly connected with the inner wall of the box body, the inside of the storage liquid cylinder is provided with sodium hydroxide solution, the storage liquid cylinder is fixed with the inner wall of the box body through the fixing frame, the sodium hydroxide solution arranged in the storage liquid cylinder, when the flue gas is introduced into the sodium hydroxide solution, based on the acid-base neutralization reaction, the sulfur dioxide in the flue gas can be removed through the sodium hydroxide solution, so that the desulfurization operation is performed on the flue gas, to avoid the pollution of the environment when the flue gas is discharged.

[0008] Preferably, the inside of the water storage tank is provided with water liquid, the upper portion of the side wall of the water storage tank is fixedly connected with a water inlet pipe, the lower portion of the side wall of the water storage tank is fixedly connected with a drain pipe, and the pipe ends of the water inlet pipe and the drain pipe penetrate the box body, the side walls of the water inlet pipe and the drain pipe are provided with flow valves, the water liquid can be filled into the water storage tank through the water inlet pipe, and the water liquid in the water storage tank can be discharged through the drain pipe, the inside upper portion of the storage liquid cylinder is provided with an internal thread, the outside wall of the filter shell is provided with an external thread, the internal thread corresponds to and cooperates with the external thread, the top surface of the filter shell is fixedly connected with a hollow cover, the hollow hole of the hollow cover corresponds to the filter core, the filter shell is screwed, the internal thread and the external thread are matched with each other, so that the filter shell can be disassembled and assembled, and the filter core can be replaced, after the flue gas is desulfurized by the sodium hydroxide solution in the storage liquid cylinder, the desulfurized flue gas rises in the storage liquid cylinder, the flue gas can be filtered again through the filter core, the filtered flue gas is discharged through the hollow hole in the hollow cover, and the filter core can be made of activated carbon.

[0009] Compared with the prior art, the beneficial effects of the utility model lie in that the flue gas discharged by the power plant combustion furnace can be effectively filtered to reduce the pollution to the environment, the particles and impurities contained in the flue gas can be filtered through the water liquid in the water storage tank, the particles are prevented from rising with the flue gas, the flue gas after impurity removal can be introduced into the storage liquid cylinder through the induced draft fan, the sulfur dioxide in the flue gas can be removed through the sodium hydroxide solution in the storage liquid cylinder to perform the desulfurization operation on the flue gas, and the flue gas after desulfurization can be filtered again through the filter core to improve the treatment and purification effect on the flue gas. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0012] Figure 2 This is a schematic diagram of the internal structure of the box body of this utility model.

[0013] Figure 3 This is a schematic diagram of the internal structure of the cylindrical body of this utility model.

[0014] Figure 4 This is an enlarged view of section A of this utility model.

[0015] In the diagram: 1. Box body; 2. Water tank; 3. Air inlet pipe; 4. Connector; 5. Horizontal pipe; 6. Discharge pipe; 7. Air outlet; 8. Support plate; 9. Water inlet pipe; 10. Drain pipe; 11. Liquid storage cylinder; 12. Fixing frame; 13. Frame body; 14. Exhaust fan; 15. Conical pipe; 16. Vertical pipe; 17. Internal thread; 18. Filter shell; 19. External thread; 20. Filter element; 21. Hollowed-out cover. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figures 1-4 As shown, this utility model provides an environmental protection structure for power plant thermal power engineering, including a box body 1. A water storage tank 2 is fixedly connected to the inner bottom wall of the box body 1. An air inlet pipe 3 is inserted and fixedly connected to the lower part of the side wall of the box body 1. One end of the air inlet pipe 3 extends into the water storage tank 2. An exhaust pipe 6 is provided inside the water storage tank 2. An air outlet 7 is provided through the side wall of the exhaust pipe 6. A liquid storage cylinder 11 is provided inside the box body 1 and above the water storage tank 2. A frame 13 is inserted and fixedly connected to the side wall of the liquid storage cylinder 11. An induced draft fan 14 is provided inside the frame 13. A conical pipe 15 is fixedly connected to the side wall of the frame 13 and at the output end of the induced draft fan 14. A vertical pipe 16 is fixedly connected to the end of the conical pipe 15. The bottom end of the vertical pipe 16 is located in the lower part of the liquid storage cylinder 11. A filter shell 18 is detachably provided on the top surface of the liquid storage cylinder 11. A filter element 20 is provided inside the filter shell 18.

[0018] The intake pipe 3 is fixedly connected to the input end of the connector 4, and the output end of the intake pipe 3 is fixedly connected to the horizontal pipe 5. One end of the exhaust pipe 6 passes through the horizontal pipe 5, and the exhaust pipe 6 is fixed to the horizontal pipe 5.

[0019] By adopting the above technical scheme, the flue gas emission end of the power plant combustion furnace is connected with the air inlet pipe 3 through the connecting head 4, the flue gas enters the emission pipe 6 through the air inlet pipe 3 and the horizontal pipe 5, and then is discharged through the air outlet hole 7. The water in the water storage tank 2 can filter the particles and impurities contained in the flue gas, so that the particles do not rise with the flue gas. The emission pipe 6 is provided with a plurality of emission pipes 6, which can discharge the flue gas in multiple areas of the water to improve the impurity removal effect.

[0020] The side wall of the emission pipe 6 is fixedly provided with a support plate 8, and the bottom surface of the support plate 8 is fixedly connected with the inner bottom wall of the box body 1.

[0021] By adopting the above technical scheme, the support plate 8 is used to support and fix the emission pipe 6.

[0022] The side wall of the liquid storage cylinder 11 is fixedly connected with a fixing frame 12, one side of the fixing frame 12 away from the liquid storage cylinder 11 is fixedly connected with the inner wall of the box body 1, and the inside of the liquid storage cylinder 11 is provided with sodium hydroxide solution.

[0023] By adopting the above technical scheme, the liquid storage cylinder 11 is fixed with the inner wall of the box body 1 through the fixing frame 12, and the sodium hydroxide solution arranged in the liquid storage cylinder 11 can remove sulfur dioxide in the flue gas based on the acid-base neutralization reaction when the flue gas enters the sodium hydroxide solution, so as to perform desulfurization operation on the flue gas to avoid pollution of the environment when the flue gas is discharged.

[0024] The inside of the water storage tank 2 is provided with water, the upper part of the side wall of the water storage tank 2 is fixedly connected with a water inlet pipe 9, the lower part of the side wall of the water storage tank 2 is fixedly connected with a drain pipe 10, and the pipe ends of the water inlet pipe 9 and the drain pipe 10 penetrate the box body 1, and the side walls of the water inlet pipe 9 and the drain pipe 10 are provided with flow valves.

[0025] By adopting the above technical scheme, water can be filled into the water storage tank 2 through the water inlet pipe 9, and the water in the water storage tank 2 can be discharged through the drain pipe 10.

[0026] The inside wall of the liquid storage cylinder 11 is provided with an internal thread 17 at the upper part, the outside wall of the filter shell 18 is provided with an external thread 19, the internal thread 17 corresponds to and cooperates with the external thread 19, the top surface of the filter shell 18 is fixedly connected with a hollow cover 21, and the hollow hole of the hollow cover 21 corresponds to the filter core 20.

[0027] By adopting the above technical scheme, the filter shell 18 is screwed, and the inner thread 17 and the outer thread 19 are matched with each other, so that the filter shell 18 can be disassembled and assembled to replace the filter core 20; after the flue gas is desulfurized by the sodium hydroxide solution in the liquid storage cylinder 11, the desulfurized flue gas rises in the liquid storage cylinder 11, and the flue gas can be filtered again through the filter core 20; the filtered flue gas is discharged through the hollow holes in the hollow cover 21; and the filter core 20 can be made of activated carbon.

[0028] Working principle: when the utility model is in use, the flue gas emission end of the power plant combustion furnace is connected with the air inlet pipe 3 through the connecting head 4, the flue gas enters the discharge pipe 6 through the air inlet pipe 3 and the horizontal pipe 5, and then is discharged through the air outlet hole 7; the water in the water storage tank 2 can filter the particles and impurities contained in the flue gas, so that the particles do not rise with the flue gas;

[0029] The induced draft fan 14 is started to introduce the flue gas after impurities are removed, so that the flue gas can be discharged into the sodium hydroxide solution in the liquid storage cylinder 11 under the action of the conical pipe 15 and the vertical pipe 16; based on the acid-base neutralization reaction, the sulfur dioxide in the flue gas can be removed by the sodium hydroxide solution, so that the flue gas is desulfurized; the desulfurized flue gas rises in the liquid storage cylinder 11, and the flue gas can be filtered again through the filter core 20; the filtered flue gas is discharged through the hollow holes in the hollow cover 21.

[0030] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Therefore, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and the equivalent technology, the utility model also intends to include these modifications and variations.

Claims

1. An environmental protection structure for thermal power engineering of power plants, comprising a box (1), characterized in that: The inner bottom wall of the box (1) is fixedly connected with a water storage tank (2), the lower part of the side wall of the box (1) is fixedly connected with an air inlet pipe (3), one end of the air inlet pipe (3) extends into the water storage tank (2), the inside of the water storage tank (2) is provided with a discharge pipe (6), the side wall of the discharge pipe (6) is provided with an air outlet hole (7), the inside of the box (1) and above the water storage tank (2) is provided with a liquid storage cylinder (11), the side wall of the liquid storage cylinder (11) is fixedly connected with a frame (13), the inside of the frame (13) is provided with an air guide fan (14), the side wall of the frame (13) and the output end of the air guide fan (14) are fixedly connected with a conical pipe (15), the pipe end of the conical pipe (15) is fixedly connected with a vertical pipe (16), the bottom end of the vertical pipe (16) is located in the lower part of the liquid storage cylinder (11), the top surface of the liquid storage cylinder (11) is detachably provided with a filter shell (18), the inside of the filter shell (18) is provided with a filter core (20).

2. An environmental protection structure for thermal power plants according to claim 1, characterized in that, The input end of the air inlet pipe (3) is fixedly connected with a connector (4), and the output end of the air inlet pipe (3) is fixedly connected with a horizontal pipe (5).

3. An environmental protection structure for thermal power plants according to claim 2, characterized in that, One end of the discharge pipe (6) penetrates the horizontal pipe (5), and the discharge pipe (6) is fixed with the horizontal pipe (5).

4. The environmental protection structure for thermal power plants according to claim 1, wherein The side wall of the discharge pipe (6) is fixedly provided with a support plate (8), and the bottom surface of the support plate (8) is fixedly connected with the inner bottom wall of the box (1).

5. A thermal power plant environment protection structure according to claim 1, wherein The side wall of the liquid storage cylinder (11) is fixedly connected with a fixing frame (12), and one side of the fixing frame (12) away from the liquid storage cylinder (11) is fixedly connected with the inner wall of the box (1).

6. A thermal power plant environment protection structure according to claim 1, wherein The inside of the liquid storage cylinder (11) is provided with a sodium hydroxide solution, the inside of the water storage tank (2) is provided with water, the upper part of the side wall of the water storage tank (2) is fixedly connected with a water inlet pipe (9), the lower part of the side wall of the water storage tank (2) is fixedly connected with a drain pipe (10), and the pipe ends of the water inlet pipe (9) and the drain pipe (10) penetrate the box (1), and the side walls of the water inlet pipe (9) and the drain pipe (10) are provided with flow valves.

7. A thermal power plant environment protection structure according to claim 1, wherein The inside upper part of the liquid storage cylinder (11) is provided with an internal thread (17), the outside wall of the filter shell (18) is provided with an external thread (19), and the internal thread (17) corresponds to and cooperates with the external thread (19).

8. A thermal power plant environment protection structure according to claim 1, wherein The top surface of the filter shell (18) is fixedly connected with a hollow cover (21), and the hollow hole of the hollow cover (21) corresponds to the filter core (20).

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