Smoke dust separator for thermal power plant

Abstract

The utility model discloses a thermal power plant smoke dust separator, including separation box, smoke inlet, smoke outlet, mount, positive pole, negative pole, vibration device and drain outlet, the front side of separation box is connected with the smoke inlet, the rear side of separation box is connected with the smoke outlet, and the top of separation box is provided with water inlet. A first scraper, a second scraper, a first connecting rod, a second connecting rod and a rotating rod which are driven by a motor are arranged in the dust outlet to form a rotating structure, so that dust accumulated and adhered on the inner wall of the dust outlet is scraped off from the inner wall of the dust outlet through the rotating first scraper and the rotating second scraper; the first scraping plate, the second scraping plate, the first connecting rod and the second connecting surface are provided with insulating plates, dust with points is prevented from adhering to the first scraping plate, the second scraping plate, the first connecting rod and the second connecting surface, and the first scraping plate and the second scraping plate are of inclined structures, so that the scraped dust can be driven from the inclined surfaces to fall into the sewage draining exit to be treated.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke and dust separators for thermal power plants, in particular to a smoke and dust separator for thermal power plants. Background Art

[0002] Most smoke dust separators in thermal power plants use high-voltage electrostatic fields to ionize the flue gas. The charged dust in the airflow is separated from the airflow under the action of the electric field. The negative electrode is made of metal wires with different cross-sectional shapes, called the discharge electrode, and the positive electrode is made of metal plates with different geometric shapes, called the dust collecting electrode.

[0003] In the prior art, after the smoke is electrostatically adsorbed on the electrodes, the electrostatic precipitator devices mostly use multiple sets of vibration devices to knock on the support frame where the positive plate and the negative pole are located, so that the dust on the positive plate and the negative pole is vibrated and falls off, and then enters the dust hopper for collection. However, since the smoke is charged and easily gathers and adsorbs on the side wall of the dust hopper, it is difficult to achieve the purpose of collecting the smoke. At the same time, the existing electrostatic precipitator can only clean part of the dust through the vibration device. After the electrostatic precipitator is used for a long time, dust will accumulate in the positive plate, so it is necessary to manually disassemble the electrostatic precipitator and then clean it. However, this cleaning method is relatively cumbersome and has low cleaning efficiency. Therefore, we propose a smoke dust separator for a thermal power plant to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a smoke dust separator for a thermal power plant to solve the problems raised by the above background technology that smoke dust from smoke dust separators on the market is charged and easily aggregated and adsorbed on the side wall of the dust collecting hopper and the cleaning method is complicated.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke separator for a thermal power plant, comprising a separation box, a smoke inlet, a smoke outlet, a fixing frame, a positive plate, a negative pole, a vibrating device and a sewage outlet, wherein the front side of the separation box is connected with the smoke inlet, the rear side of the separation box is connected with the smoke outlet, and the top of the separation box is provided with a water inlet, a fixing frame is fixed on the top of the separation box, a card block is connected in a card slot outside the fixing frame, and a spring is connected outside the card block, a support frame is connected on the card block, a first connecting block is connected under the fixing frame, and a spring is connected under the first connecting block A connecting plate is connected, a nozzle is arranged at the bottom of the connecting plate, a positive plate is arranged at the front side of the nozzle, and a positive plate is arranged at the rear side of the positive plate, a vibration device is arranged at the bottom of the support frame, and a dust outlet is arranged at the bottom of the support frame, and a rotating rod is arranged in the dust outlet, a first connecting rod is arranged at the bottom of the rotating rod, and a first scraper is connected to the end of the first connecting rod, and the bottom of the rotating rod is fixed in the dust outlet through the connecting rod, a second connecting rod is arranged on the upper side of the first connecting rod, and a second scraper is arranged on the second connecting rod, and a sewage outlet is arranged at the bottom of the dust outlet.

[0006] Preferably, water pipelines are provided in the water inlet, the first connecting block and the connecting plate.

[0007] Preferably, the nozzle at the bottom of the connecting plate is arranged between the positive plate and the negative pole, and the nozzle of the nozzle faces the positive plate, the nozzle of the nozzle is flat, and the positive plate is a "U"-shaped groove structure.

[0008] Preferably, the support frame is connected to the card slots around the outer side of the fixing frame through card blocks and springs.

[0009] Preferably, the first scraper and the second scraper form a rotating structure in the dust outlet through the first connecting rod, the second connecting rod and the rotating rod.

[0010] Preferably, the first scraper and the second scraper are arc-shaped structures, and the first scraper and the second scraper are obliquely arranged in the dust outlet.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the smoke and dust separator of the thermal power plant;

[0012] (1) A first scraper, a second scraper, a first connecting rod, a second connecting rod and a rotating rod driven by a motor are arranged in the dust outlet to form a rotating structure, so that the dust accumulated and adhered on the inner wall of the dust outlet is scraped off from the inner wall of the dust outlet by the rotating first scraper and the second scraper, and the first scraper, the second scraper, the first connecting rod and the second connecting surface are all provided with insulating plates to prevent the dust with dots from adhering to the first scraper, the second scraper, the first connecting rod and the second connecting surface, and the first scraper and the second scraper are inclined structures, so that the scraped dust can be driven from the inclined surface to fall into the sewage outlet for treatment;

[0013] (2) The bottom of the positive plate and the negative pole are connected to the support frame through the insulating component, and then the vibration device is rotated to drive the metal block on the top of the vibration device to knock the support frame, so that the support frame drives the positive plate and the negative pole to vibrate, thereby knocking off the dust accumulated on the positive plate and the negative pole. After a period of use, water will be introduced into the water inlet at the top, and then transported to the nozzle at the bottom of the connecting plate through the water inlet, the first connecting block, and the water delivery structure in the connecting plate, thereby forming a water curtain on the positive plate, thereby cooperating with the vibration device to clean the positive plate, thereby improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a side view of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model at A;

[0016] Figure 3 It is a schematic diagram of the side section structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the utility model viewed from above at position B;

[0018] Figure 5 This is a schematic diagram of the structure of the utility model viewed from above at position C;

[0019] Figure 6 It is a schematic diagram of the water inlet, the first connecting block and the water pipe structure in the connecting plate of the utility model.

[0020] In the figure: 1. separation box; 2. smoke inlet; 3. smoke outlet; 4. water inlet; 5. fixing frame; 6. supporting frame; 7. first connecting block; 8. connecting plate; 9. nozzle; 10. positive plate; 11. negative pole; 12. vibration device; 13. dust outlet; 14. rotating rod; 15. first connecting rod; 16. first scraper; 17. second connecting rod; 18. second scraper; 19. sewage outlet; 20. block; 21. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6The utility model provides a technical solution: a smoke separator for a thermal power plant, comprising a separation box 1, a smoke inlet 2, a smoke outlet 3, a water inlet 4, a fixing frame 5, a supporting frame 6, a first connecting block 7, a connecting plate 8, a nozzle 9, a positive plate 10, a negative pole 11, a vibrating device 12, a dust outlet 13, a rotating rod 14, a first connecting rod 15, a first scraper 16, a second connecting rod 17, a second scraper 18, a sewage outlet 19, a card block 20 and a spring 21, the front side of the separation box 1 is connected with the smoke inlet 2, the rear side of the separation box 1 is connected with the smoke outlet 3, and the top of the separation box 1 is provided with the water inlet 4, the top of the separation box 1 is fixed with a fixing frame 5, and the card block 20 is connected to the card slot outside the fixing frame 5, and the card block 20 is connected to the spring 21, and the card block 20 is on the top. A support frame 6 is connected, a first connecting block 7 is connected under the fixed frame 5, and a connecting plate 8 is connected under the first connecting block 7, a nozzle 9 is arranged at the bottom of the connecting plate 8, and a positive plate 10 is arranged on the front side of the nozzle 9, and a positive plate 10 is arranged on the rear side of the positive plate 10, a vibration device 12 is arranged at the bottom of the support frame 6, and a dust outlet 13 is arranged at the bottom of the support frame 6, and a rotating rod 14 is arranged in the dust outlet 13, a first connecting rod 15 is arranged at the bottom of the rotating rod 14, and a first scraper 16 is connected to the end of the first connecting rod 15, and the bottom of the rotating rod 14 is fixed in the dust outlet 13 through the connecting rod, a second connecting rod 17 is arranged on the upper side of the first connecting rod 15, and a second scraper 18 is arranged on the second connecting rod 17, and a sewage outlet 19 is arranged at the bottom of the dust outlet 13.

[0023] The water inlet 4 , the first connecting block 7 , and the connecting plate 8 are all provided with water delivery pipes, so that water is delivered to the nozzle 9 at the bottom of the connecting plate 8 through the water delivery pipes, so that the positive plate 10 can be prevented from being flushed.

[0024] The nozzle 9 at the bottom of the connecting plate 8 is arranged between the positive plate 10 and the negative pole 11, and the nozzle of the nozzle 9 is facing the positive plate 10. The nozzle of the nozzle 9 is flat, so that it is convenient to form a water curtain on the surface of the positive plate 10 during cleaning, so as to achieve the flushing effect on the positive plate 10, so that the dust on the surface of the positive plate 10 is driven by the water flow, and the positive plate 10 is a "U"-shaped groove structure to prevent water leakage, and the bottom of the positive plate 10 is an open structure.

[0025] The support frame 6 is connected to the slots around the outer side of the fixing frame 5 through the clamping blocks 20 and the springs 21, so that the support frame 6 can move to a certain extent through the slots around the outer side of the fixing frame 5 when the vibration device 12 strikes the support frame 6, thereby preventing the long-term striking of the vibration device 12 from damaging the connection of the support frame 6 and causing damage to the supporting structure.

[0026] The first scraper 16 and the second scraper 18 form a rotating structure in the dust outlet 13 through the first connecting rod 15 and the second connecting rod 17 and the rotating rod 14, so that the rotating rod 14 is driven by the motor fixed at the bottom of the dust outlet 13, and at the same time, the first scraper 16 and the second scraper 18 are driven to bulge the inner wall of the dust outlet 13. At the same time, the surfaces of the first scraper 16 and the second scraper 18 and the first connecting rod 15 and the second connecting rod 17 are provided with an insulating structure to prevent dust from sticking to the surfaces of the first scraper 16 and the second scraper 18 and the first connecting rod 15 and the second connecting rod 17.

[0027] The first scraper 16 and the second scraper 18 are arc-shaped structures, so that they can fit more closely to the inner wall of the dust outlet 13, and can better handle the accumulated dust during the scraping work. The first scraper 16 and the second scraper 18 are tiltedly arranged in the dust outlet 13, so that the dust can be guided along the inclined surface, thereby sending the dust into the sewage outlet 19 at the bottom.

[0028] The vibration device 12 is driven by the outer motor to drive the inner connection transmission, and then a connecting rod, a rotating shaft and a metal block are arranged on the top of the transmission. When the metal block rotates to the highest point, it rotates downward through the rotating shaft under the action of gravity, thereby knocking the support frame 6 to achieve the effect of vibration through knocking.

[0029] Working principle: When using the smoke dust separator of the thermal power plant, first, the smoke enters the separation box 1 through the smoke inlet 2, and then flows into the filter screen formed by the positive plate 10 and the negative pole 11, and a power plant is generated between the energized positive plate 10 and the negative pole 11, thereby adsorbing the dust in the smoke, and most of the dust is adsorbed on the energized positive plate 10 and the negative pole 11. During the operation of the separator, the dust will continue to accumulate on the positive plate 10 and the negative pole 11, and at the same time, the support frame 6 connected to the bottom of the positive plate 10 and the negative pole 11 by insulating material will be knocked by the vibration device 12 at the bottom, so that the support frame 6 drives the positive plate 10 and the negative pole 11 to vibrate, so that most of the dust on the positive plate 10 and the negative pole 11 is shaken off by knocking;

[0030] The fallen dust will then fall into the dust outlet 13 at the bottom of the separator, but because the dust is charged on the positive plate 10 and the negative pole 11 on the upper side, the dust will adhere to the inner wall of the dust outlet 13 after falling into the dust outlet 13, and at this time, the motor in the fixed dust outlet 13 will drive the rotating rod 14 to rotate, thereby driving the first connecting rod 15 and the second connecting rod 17 connected thereto to rotate, and the rotation of the first connecting rod 15 and the second connecting rod 17 drives the first scraper 16 and the second scraper 18 to scrape off the dust adhered to the inner wall of the dust outlet 13, and then fall into the sewage outlet 19 at the bottom along the inclined first scraper 16 and the second scraper 18. When used for a long time A large amount of dust will remain in the positive plate 10, which will lead to a poor dust collection effect of the positive plate 10. At this time, the water adding device is started to make water flow from the water inlet 4 into the water delivery trough in the first connecting block 7 and the connecting plate 8, and then sprayed out through the nozzle 9 at the bottom of the connecting plate 8, and form a water curtain on the positive plate 10, thereby flushing the positive plate 10. At the same time, the bottom of the positive plate 10 is an open structure, so that the water flow directly flushes the dust outlet 13, the first connecting rod 15, the first scraper 16, the second connecting rod 17 and the second scraper 18 at the bottom, thereby reducing the accumulation of surface dust, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A smoke separator for a thermal power plant, comprising a separation box (1), a smoke inlet (2), a smoke outlet (3), a fixing frame (5), a positive electrode plate (10), a negative electrode rod (11), a vibration device (12) and a sewage outlet (19), characterized in that: The front side of the separation box (1) is connected to a smoke inlet (2), and the rear side of the separation box (1) is connected to a smoke outlet (3), and the top of the separation box (1) is provided with a water inlet (4), a fixing frame (5) is fixed to the top of the separation box (1), and a card block (20) is connected to the card slot outside the fixing frame (5), and a spring (21) is connected to the outside of the card block (20), a support frame (6) is connected to the card block (20), a first connecting block (7) is connected below the fixing frame (5), and a connecting plate (8) is connected below the first connecting block (7), a nozzle (9) is provided at the bottom of the connecting plate (8), and a positive plate (10) is provided at the front side of the nozzle (9), and the positive plate (10) is connected to the positive plate (10). 0) is provided with a positive electrode plate (10) at the rear side, a vibration device (12) is provided at the bottom of the support frame (6), a dust outlet (13) is provided at the bottom of the support frame (6), and a rotating rod (14) is provided in the dust outlet (13), a first connecting rod (15) is provided at the bottom of the rotating rod (14), and a first scraper (16) is connected to the end of the first connecting rod (15), and the bottom of the rotating rod (14) is fixed in the dust outlet (13) through the connecting rod, a second connecting rod (17) is provided on the upper side of the first connecting rod (15), and a second scraper (18) is provided on the second connecting rod (17), and a sewage outlet (19) is provided at the bottom of the dust outlet (13).

2. A smoke separator for a thermal power plant according to claim 1, characterized in that: The water inlet (4), the first connecting block (7) and the connecting plate (8) are all provided with water delivery pipelines.

3. A smoke separator for a thermal power plant according to claim 1, characterized in that: The nozzle (9) at the bottom of the connecting plate (8) is arranged between the positive electrode plate (10) and the negative electrode rod (11), and the nozzle of the nozzle (9) faces the positive electrode plate (10). The nozzle of the nozzle (9) is flat, and the positive electrode plate (10) is a "U"-shaped groove structure.

4. A smoke separator for a thermal power plant according to claim 1, characterized in that: The support frame (6) is connected to the clamping grooves around the outer side of the fixing frame (5) through a clamping block (20) and a spring (21).

5. A smoke separator for a thermal power plant according to claim 1, characterized in that: The first scraper (16) and the second scraper (18) form a rotating structure in the dust outlet (13) through the first connecting rod (15) and the second connecting rod (17) and the rotating rod (14).

6. A smoke separator for a thermal power plant according to claim 1, characterized in that: The first scraper (16) and the second scraper (18) are arc-shaped structures, and the first scraper (16) and the second scraper (18) are arranged obliquely in the dust outlet (13).

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