Flue gas conveying pipeline for waste incineration of power plant
By using filter screens and dust collection bags to filter particulate matter in the flue gas conveying pipeline and using spray nozzles to absorb harmful gases, the problem of fly ash adhesion in the flue gas is solved, achieving clean emissions and efficient heat exchange.
Patent Information
- Application Number
- CN202520470015.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-18
AI Technical Summary
During waste incineration, fly ash and particulate matter in the flue gas can easily adhere to the inner wall of the conveying pipeline, making cleaning inconvenient and affecting normal smoke exhaust.
The conveying pipeline adopts a split structure, combined with filter screen, sealing gasket and dust collection bag. The filter screen filters particulate matter in the flue gas, the dust collection bag collects dust, and at the same time, the treatment liquid is sprayed through the nozzle to absorb harmful gases, and the stirring rod is used to enhance the heat exchange effect.
It effectively blocks particulate matter in flue gas, reduces cleaning frequency, ensures clean flue gas emissions, improves heat exchange efficiency, and reduces the impact of ash accumulation in pipes.
Smart Images
Figure CN223677266U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to garbage incineration technical field, concretely is a kind of flue gas conveying pipeline for garbage incineration of power plant. BACKGROUND
[0002] Garbage incineration refers to the process of reducing the volume of garbage and generating residues or molten solid substances by appropriate thermal decomposition, combustion, melting and other reactions at high temperature. Garbage incineration facilities must be equipped with flue gas treatment facilities to prevent heavy metals, organic pollutants and other pollutants from being discharged into the environment again. By recycling the heat generated by garbage incineration, the purpose of waste resource utilization can be achieved.
[0003] However, while garbage incineration achieves resource recycling, it also generates a large amount of flue gas. To ensure normal incineration of garbage and discharge of flue gas to the outside, a conveying pipeline needs to be added to the incineration device and connected to the outside. Since the flue gas contains a large amount of fly ash and particulate matter, it is easy to adhere to the inner wall of the conveying pipeline, which is inconvenient to clean, and the accumulation of fly ash and other substances can affect normal smoke exhaust. SUMMARY
[0004] The utility model aims at providing a kind of flue gas conveying pipeline for garbage incineration of power plant, to solve the problems raised in the above background.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of flue gas conveying pipeline for garbage incineration of power plant, including conveying pipeline, the top of the conveying pipeline is provided with first gasket, the top of the first gasket is provided with connecting pipeline, the middle part of the connecting pipeline and conveying pipeline is all provided with installation slot, the inside of the installation slot is provided with filter screen, the surface of the conveying pipeline is slidably connected with lower flange, the top of the lower flange is provided with second gasket, the top of the second gasket is provided with upper flange, the inner wall of the upper flange and lower flange is all fixedly connected with sealing ring, the top of the upper flange is screwedly connected with connecting bolt.
[0006] As a further preferred embodiment of the present technical solution, the front surface of the conveying pipeline is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first rotating rod, the surface of the first rotating rod is fixedly sleeved with a convex rib plate, the inner wall of the connecting pipeline is fixedly connected with a mounting seat, the top of the mounting seat is clamped with a dust cloth bag.
[0007] As a further preferred of the technical solution, the connecting pipeline is fixedly connected with a treatment box away from one end of the conveying pipeline, the front surface of the treatment box is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a rotating plate, the bottom of the rotating plate is fixedly connected with a spray head, the top end of the rotating plate is fixedly connected with an elbow pipe, the end away from the rotating plate of the elbow pipe is fixedly connected with a pump body, the top end of the pump body is fixedly connected with a guide pipe, and the side close to the second motor of the treatment box is fixedly connected with a waste liquid pipe.
[0008] As a further preferred of the technical solution, the rotating plate is located inside the treatment box, the number of the spray heads is multiple, the pump body is fixedly connected with the treatment box, and the inside of the waste liquid pipe is provided with an electromagnetic valve.
[0009] As a further preferred of the technical solution, the side away from the connecting pipeline of the treatment box is fixedly connected with an air inlet pipe, the end away from the treatment box of the air inlet pipe is fixedly connected with a water tank, and the inner wall of the water tank is fixedly connected with a heat exchange pipe.
[0010] As a further preferred of the technical solution, the top end of the water tank is fixedly connected with a connecting frame, the side away from the treatment box of the connecting frame is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a second rotating rod, the surface of the second rotating rod is fixedly sleeved with a first bevel gear, the bottom end of the first bevel gear is engaged with a second bevel gear, and the bottom end of the second bevel gear is fixedly connected with a stirring rod.
[0011] As a further preferred of the technical solution, the connecting frame adopts a U-shaped structure, the second rotating rod is rotatably connected with the connecting frame, the number of the first bevel gears is multiple, and the stirring rod is composed of a connecting shaft and multiple stirring blades.
[0012] The utility model provides a kind of flue gas conveying pipeline for garbage incineration of power plant, with the following beneficial effects:
[0013] (1) the utility model discloses a first gasket is placed between conveying pipeline and connecting pipeline, and filter screen is placed in mounting groove, so that the mounting hole on the upper flange, second gasket and lower flange is aligned, and connecting bolt is installed in mounting hole, so that the position of upper flange and lower flange is fixed, the sealing property of connecting place is guaranteed by first gasket and second gasket, and filter screen is used to filter flue gas, so that the particulate matter contained in it is blocked, and dust in dust cloth bag is collected, so that the cleaning frequency of conveying pipeline is reduced.
[0014] (2) The utility model discloses through starting pump body, the processing liquid in the liquid storage tank connected with the catheter is pumped to the inside of the elbow pipe, and is transported to the inside of the rotating plate, and is sprayed through the shower head of its bottom, thereby realizing the absorption and processing of harmful gas in flue gas, and starting the second motor simultaneously, and the output shaft drives the rotating plate to rotate, thereby adjusting the spray angle of the shower head, to expand the range of flue gas processing. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the structure schematic diagram of the upper flange and lower flane of the utility model;
[0017] Figure 3 It is the structure schematic diagram of the connecting pipeline of the utility model;
[0018] Figure 4 It is the structure schematic diagram of the processing box of the utility model;
[0019] Figure 5 It is the structure schematic diagram of the water tank of the utility model.
[0020] In the drawing: 1, conveying pipeline;2, first sealing gasket;3, connecting pipeline;4, installation groove;5, filter screen;6, lower flange;7, second sealing gasket;8, upper flange;9, sealing ring;10, connecting bolt;11, first motor;12, first rotating rod;13, convex rib plate;14, mounting seat;15, dust cloth bag;16, processing box;17, second motor;18, rotating plate;19, shower head;20, elbow pipe;21, pump body;22, catheter;23, waste liquid pipe;24, air inlet pipe;25, water tank;26, heat exchange pipe;27, connecting frame;28, third motor;29, second rotating rod;30, first bevel gear;31, second bevel gear;32, stirring rod. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.
[0022] The utility model provides technical scheme: as Figure 1 And Figure 5As shown, in this embodiment, a power plant garbage incineration flue gas conveying pipeline, including conveying pipeline 1, the top of conveying pipeline 1 is provided with first sealing pad 2, the top of first sealing pad 2 is provided with connecting pipeline 3, connecting pipeline 3 and the middle part of conveying pipeline 1 are both provided with mounting groove 4, the inside of mounting groove 4 is provided with filter screen 5, the surface of conveying pipeline 1 is slidably connected with lower flange 6, the top of lower flange 6 is provided with second sealing pad 7, the top of second sealing pad 7 is provided with upper flange 8, the inner wall of upper flange 8 and lower flange 6 is both fixedly connected with sealing ring 9, the top of upper flange 8 is threadedly connected with connecting bolt 10.
[0023] By placing first sealing pad 2 between conveying pipeline 1 and connecting pipeline 3, and placing filter screen 5 in mounting groove 4, the mounting holes on upper flange 8, second sealing pad 7 and lower flange 6 are aligned, and connecting bolt 10 is installed in the mounting holes, thereby fixing the positions of upper flange 8 and lower flange 6, ensuring the sealing of the connection through first sealing pad 2 and second sealing pad 7, and filtering the flue gas using filter screen 5 to block the particulate matter contained therein, thereby preventing the particulate matter from adhering to the inner wall of the pipeline, reducing the cleaning frequency of conveying pipeline 1, and conveying pipeline 1 and connecting pipeline 3 adopt a split structure, which can be easily disassembled for cleaning or replacement of filter screen 5.
[0024] The front of conveying pipeline 1 is fixedly connected with first motor 11, the output end of first motor 11 is fixedly connected with first rotating rod 12, the surface of first rotating rod 12 is fixedly sleeved with convex rib plate 13, the inner wall of connecting pipeline 3 is fixedly connected with mounting seat 14, and dust removal cloth bag 15 is clamped on the top of mounting seat 14.
[0025] By starting first motor 11, first rotating rod 12 drives convex rib plate 13 to rotate, convex rib plate 13 rotates by a certain angle and contacts filter screen 5, causing filter screen 5 to vibrate and shake off the adhering particulate matter, thereby ensuring the normal use of filter screen 5, and dust removal cloth bag 15 is arranged in connecting pipeline 3, which can collect dust in the flue gas to ensure the cleanliness of the flue gas after discharge.
[0026] The end of connecting pipeline 3 away from conveying pipeline 1 is fixedly connected with treatment box 16, the front of treatment box 16 is fixedly connected with second motor 17, the output end of second motor 17 is fixedly connected with rotating plate 18, the bottom of rotating plate 18 is fixedly connected with spray head 19, the top end of rotating plate 18 is fixedly connected with elbow 20, the end of elbow 20 away from rotating plate 18 is fixedly connected with pump body 21, the top end of pump body 21 is fixedly connected with conduit 22, and waste liquid pipe 23 is fixedly connected to the side of treatment box 16 close to second motor 17.
[0027] By starting the pump body 21, the treatment liquid in the liquid tank connected with the conduit 22 is pumped to the inside of the elbow pipe 20, and is transported to the rotating plate 18, and is sprayed through the spray head 19 at the bottom of the rotating plate 18, so that the harmful gas in the flue gas is absorbed and treated, and at the same time, the second motor 17 is started, and the output shaft drives the rotating plate 18 to rotate, so that the spray angle of the spray head 19 is adjusted to expand the range of flue gas treatment.
[0028] The rotating plate 18 is located in the inside of the treatment tank 16, a plurality of spray heads 19 are arranged, the pump body 21 and the treatment tank 16 are fixedly connected, and the inside of the waste liquid pipe 23 is provided with an electromagnetic valve.
[0029] The air inlet pipe 24 is fixedly connected to the side, away from the connecting pipe 3, of the treatment tank 16, the water tank 25 is fixedly connected to the end, away from the treatment tank 16, of the air inlet pipe 24, and the inner wall of the water tank 25 is fixedly connected with the heat exchange pipe 26.
[0030] The connecting frame 27 is fixedly connected to the top end of the water tank 25, the third motor 28 is fixedly connected to the side, away from the treatment tank 16, of the connecting frame 27, the output end of the third motor 28 is fixedly connected with the second rotating rod 29, the first bevel gear 30 is fixedly sleeved on the surface of the second rotating rod 29, the second bevel gear 31 is meshed with the bottom end of the first bevel gear 30, and the stirring rod 32 is fixedly connected to the bottom end of the second bevel gear 31.
[0031] The flue gas enters the water tank 25 through the air inlet pipe 24 and enters the heat exchange pipe 26, and at the same time, the third motor 28 is started, the second rotating rod 29 drives the first bevel gear 30 to rotate, the second bevel gear 31 drives the stirring rod 32 to rotate, so that the water in the water tank 25 flows, and the flue gas can continuously exchange heat with the water in the water tank 25 while flowing, and the heat exchange pipe 26 adopts an S-shaped structure, so that the time of the flue gas staying in the water tank 25 can be increased, and the heat exchange effect can be improved.
[0032] The connecting frame 27 adopts a U-shaped structure, the second rotating rod 29 and the connecting frame 27 are rotationally connected, a plurality of first bevel gears 30 are arranged, and the stirring rod 32 is composed of a connecting shaft and a plurality of stirring blades.
[0033] The utility model provides a kind of flue gas conveying pipeline for garbage incineration of power plant, specific working principle as follows:
[0034] In use, the first sealing gasket 2 is placed between the conveying pipe 1 and the connecting pipe 3, the filter screen 5 is placed in the mounting groove 4, the mounting holes on the upper flange 8, the second sealing gasket 7 and the lower flange 6 are aligned, the connecting bolts 10 are mounted in the mounting holes, the positions of the upper flange 8 and the lower flange 6 are fixed, the sealing of the connection is ensured through the first sealing gasket 2 and the second sealing gasket 7, when discharging the smoke, the smoke enters the inside of the conveying pipe 1, the smoke is filtered through the filter screen 5, so that the particulate matters contained in the inside are blocked, the smoke enters the inside of the connecting pipe 3, the dust in the smoke is collected through the dust cloth bag 15, the filtered smoke enters the treatment box 16, at this time, the pump body 21 is started, the treatment liquid in the liquid storage tank connected with the conduit 22 is pumped to the inside of the elbow pipe 20 and is transported to the rotating plate 18, is sprayed through the spray head 19 at the bottom, so that the harmful gas in the smoke is absorbed and treated, after the treatment is completed, the smoke enters the water tank 25 through the air inlet pipe 24 and enters the heat exchange pipe 26, the heat exchange is carried out with the water in the water tank 25 while the smoke flows, so that the heat in the smoke is collected.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A flue gas conveying pipe for waste incineration in a power plant, comprising a conveying pipe (1), characterized in that: The top end of the conveying pipeline (1) is provided with a first sealing pad (2), the top end of the first sealing pad (2) is provided with a connecting pipeline (3), the connecting pipeline (3) and the middle part of the conveying pipeline (1) are both provided with a mounting groove (4), the inside of the mounting groove (4) is provided with a filter screen (5), the surface of the conveying pipeline (1) is slidably connected with a lower flange (6), the top end of the lower flange (6) is provided with a second sealing pad (7), the top end of the second sealing pad (7) is provided with an upper flange (8), the inner walls of the upper flange (8) and the lower flange (6) are both fixedly connected with a sealing ring (9), and the top of the upper flange (8) is threadedly connected with a connecting bolt (10).
2. A flue gas duct for use in a waste incineration plant according to claim 1, characterized in that: The front surface of the conveying pipeline (1) is fixedly connected with a first motor (11), the output end of the first motor (11) is fixedly connected with a first rotating rod (12), the surface of the first rotating rod (12) is fixedly sleeved with a convex rib plate (13), the inner wall of the connecting pipeline (3) is fixedly connected with a mounting seat (14), and the top of the mounting seat (14) is clamped with a dust removal cloth bag (15).
3. A flue gas duct for use in a waste incineration plant according to claim 1, characterized in that: The end, away from the conveying pipeline (1), of the connecting pipeline (3) is fixedly connected with a treatment box (16), the front surface of the treatment box (16) is fixedly connected with a second motor (17), the output end of the second motor (17) is fixedly connected with a rotating plate (18), the bottom of the rotating plate (18) is fixedly connected with a spray head (19), the top end of the rotating plate (18) is fixedly connected with an elbow pipe (20), the end, away from the rotating plate (18), of the elbow pipe (20) is fixedly connected with a pump body (21), the top end of the pump body (21) is fixedly connected with a guide pipe (22), and the side, close to the second motor (17), of the treatment box (16) is fixedly connected with a waste liquid pipe (23).
4. A flue gas duct for use in a waste incineration plant according to claim 3, characterized in that: The rotating plate (18) is located in the inside of the treatment box (16), the number of the spray head (19) is provided as multiple, the pump body (21) and the treatment box (16) are fixedly connected, and the inside of the waste liquid pipe (23) is provided with an electromagnetic valve.
5. A flue gas duct for use in a waste incineration plant of a power plant according to claim 3, characterized in that: The side, away from the connecting pipeline (3), of the treatment box (16) is fixedly connected with an air inlet pipe (24), the end, away from the treatment box (16), of the air inlet pipe (24) is fixedly connected with a water tank (25), and the inner wall of the water tank (25) is fixedly connected with a heat exchange pipe (26).
6. A flue gas duct for use in a waste incineration plant of a power plant according to claim 5, characterized in that: The top end of the water tank (25) is fixedly connected with a connecting frame (27), the side, away from the treatment box (16), of the connecting frame (27) is fixedly connected with a third motor (28), the output end of the third motor (28) is fixedly connected with a second rotating rod (29), the surface of the second rotating rod (29) is fixedly sleeved with a first bevel gear (30), the bottom end of the first bevel gear (30) is engaged with a second bevel gear (31), and the bottom end of the second bevel gear (31) is fixedly connected with a stirring rod (32).
7. A flue gas duct for use in a waste incineration plant of a power plant according to claim 6, characterized in that: The connecting frame (27) adopts a U-shaped structure, the second rotating rod (29) and the connecting frame (27) are rotationally connected, the number of the first bevel gear (30) is provided as multiple, and the stirring rod (32) is composed of a connecting shaft and multiple stirring blades.