Fluidized bed furnace flue with dust cleaning function

Abstract

The flue comprises the fluidized bed furnace, a smoke inlet pipe is arranged on the upper surface of the fluidized bed furnace, a flue body is fixedly connected to the outer surface of the smoke inlet pipe, a first electric push rod is fixedly connected to the surface of the flue body, a motor is fixedly connected to the left end of the first electric push rod, and a second electric push rod is fixedly connected to the right end of the first electric push rod. The output end of the motor is fixedly connected with a rotating shaft, and the outer surface of the rotating shaft is fixedly connected with a fixing block. Smoke dust attached to any position in flues with different inner diameters is scraped through a first electric push rod, a motor, a second electric push rod, a connecting rod and a scraping plate, so that the resistance of the flues is reduced, the smoke flow speed is increased, the combustion efficiency and the heat exchange efficiency are improved, meanwhile, the scraped smoke dust can be collected under the action of a fan, a dust collecting box, a collecting drawer and a draught fan, and the environment is protected. Therefore, harmful substances discharged into the air can be reduced, the air quality of a working area can be improved, and the influence on the environment and human health is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of flues, in particular to a flue for a fluidized bed furnace with dust cleaning function. Background Art

[0002] Fluidized bed furnace is an industrial furnace mainly used to process solid waste, biomass fuel, coal and other materials. Flue gas duct is an important part of fluidized bed furnace, which is used to guide the flue gas generated in the furnace to be discharged from the furnace body.

[0003] However, the flues used in existing industrial plants still have certain defects. For example, smoke and particulate matter will adhere to the flue, causing blockage inside the flue, affecting the normal flow of flue gas and reducing heat exchange efficiency. Secondly, the smoke is easy to handle, which will cause smoke and other particulate matter to spread in the air, affecting the environment and human body. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a flue for a boiling furnace with dust cleaning function, which can scrape away the smoke attached to any position in the flues with different inner diameters through a first electric push rod, a motor, a second electric push rod, a connecting rod, and a scraper, so as to reduce the smoke resistance, increase the smoke flow rate, and thus improve the combustion efficiency and heat exchange efficiency. At the same time, the scraped smoke can be collected under the action of a fan, an ash box, a collection drawer, and a blower, so as to reduce the emission of harmful substances into the air, help improve the air quality in the working area, and reduce the impact on the environment and human health.

[0005] The utility model also provides a flue for a fluidized bed furnace with dust cleaning function, comprising:

[0006] A boiling furnace, wherein a smoke inlet pipe is arranged on the upper surface of the boiling furnace, a flue is fixedly connected to the outer surface of the smoke inlet pipe, a first electric push rod is fixedly connected to the surface of the flue, a motor is fixedly connected to the left end of the first electric push rod, a rotating shaft is fixedly connected to the output end of the motor, a fixed block is fixedly connected to the outer surface of the rotating shaft, a second electric push rod is fixedly connected to the outer surface of the fixed block, a rotating rod is fixedly connected to the inner surface of the second electric push rod, a connecting rod is rotatably connected to the outer surface of the rotating rod, a connecting shaft is fixedly connected to the outer surface of the connecting rod, a scraper is rotatably connected to the outer surface of the connecting rod, a rotating column is fixedly connected to the outer surface of the rotating column, a fixed seat is rotatably connected to the outer surface of the rotating shaft, and a fan is fixedly connected to the outer surface of the rotating shaft.

[0007] The outer surface of the flue is fixedly connected to a dust collecting box, the front surface of the dust collecting box is provided with a collecting drawer, the left surface of the dust collecting box is provided with a first connecting pipe, the end of the first connecting pipe away from the collecting drawer is fixedly connected to a fan, and the output end of the fan is fixedly connected to a second connecting pipe.

[0008] According to the flue for a boiling furnace with dust cleaning function, the left end of the first electric push rod extends into the interior of the flue to facilitate moving the position of the scraper, and the first electric push rod is electrically connected to an external power supply.

[0009] According to the flue for a boiling furnace with dust cleaning function, the number of the second electric push rods is two and they are distributed on the left and right. The second electric push rods are electrically connected to an external power supply, so as to facilitate smoke and dust removal for flues with different inner diameters.

[0010] According to the flue for a boiling furnace with dust cleaning function, the outer surface of the connecting rod is in contact with the second electric push rod, and the number of the connecting rods is two and they are distributed up and down.

[0011] According to the flue for a boiling furnace with dust cleaning function, the outer surface of the connecting rod is in contact with the fixing seat, and the outer surface of the rotating shaft is fixedly connected to the fixing seat.

[0012] According to the flue for a fluidized bed furnace with dust cleaning function, the outer surface of the connecting rod is in contact with a scraper, and the number of the scrapers is two and they are distributed up and down.

[0013] According to the flue for a fluidized bed furnace with dust cleaning function, the inner surface of the flue is slidably connected to the scraper, and the outer surface of the second connecting pipe is fixedly connected to the flue.

[0014] According to the flue for a boiling furnace with dust cleaning function, the motor and the fan are both electrically connected to an external power source.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structural diagram of a flue for a fluidized bed furnace with dust cleaning function according to the utility model;

[0018] Figure 2 This is an internal cross-sectional view of a flue structure of a flue for a fluidized bed furnace with dust cleaning function according to the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of a flue for a fluidized bed furnace with dust cleaning function according to the utility model;

[0020] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A in the middle.

[0021] Legend:

[0022] 1. Boiling furnace; 2. Smoke inlet pipe; 3. Smoke duct; 4. First electric push rod; 5. Motor; 6. Rotating shaft; 7. Fixed block; 8. Second electric push rod; 9. Rotating rod; 10. Connecting rod; 11. Connecting shaft; 12. Scraper; 13. Rotating column; 14. Fixed seat; 15. Fan; 16. Ash collecting box; 17. Collecting drawer; 18. First connecting pipe; 19. Fan; 20. Second connecting pipe. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is a flue for a boiling furnace with dust cleaning, which comprises: a boiling furnace 1, a smoke inlet pipe 2 is arranged on the upper surface of the boiling furnace 1, a smoke inlet pipe 2 is fixedly connected to the outer surface of the smoke inlet pipe 2, a smoke duct 3 is fixedly connected to the surface of the smoke duct 3, a first electric push rod 4 is fixedly connected to the left end of the first electric push rod 4, a motor 5 is fixedly connected to the output end of the motor 5, a rotating shaft 6 is fixedly connected to the outer surface of the rotating shaft 6, a fixing block 7 is fixedly connected to the outer surface of the fixing block 7, a second electric push rod 8 is fixedly connected to the inner surface of the second electric push rod 8, a rotating rod 9 is fixedly connected to the outer surface of the rotating rod 9, a connecting rod 10 is rotatably connected to the outer surface of the connecting rod 10, a connecting shaft 11 is fixedly connected to the outer surface of the connecting shaft 11, a scraper 12 is rotatably connected to the outer surface of the connecting rod 10 A rotating column 13, the outer surface of which is rotatably connected to a fixed seat 14, the outer surface of the rotating shaft 6 is fixedly connected to a fan 15, the left end of the first electric push rod 4 extends into the interior of the flue 3, the first electric push rod 4 is electrically connected to an external power supply, the number of the second electric push rods 8 is two and they are distributed left and right, the second electric push rod 8 is electrically connected to an external power supply, the outer surface of the connecting rod 10 is in contact with the second electric push rod 8, the number of the connecting rods 10 is two and they are distributed up and down, the outer surface of the connecting rod 10 is in contact with the fixed seat 14, the outer surface of the rotating shaft 6 is fixedly connected to the fixed seat 14, the outer surface of the connecting rod 10 is in contact with the scraper 12, the number of the scraper 12 is two and they are distributed up and down, the inner surface of the flue 3 is slidably connected to the scraper 12, and the motor 5 is electrically connected to the external power supply.

[0025] An ash collecting box 16 is fixedly connected to the outer surface of the flue 3, a collecting drawer 17 is provided on the front surface of the ash collecting box 16, a first connecting pipe 18 is provided on the left surface of the ash collecting box 16, an end of the first connecting pipe 18 away from the collecting drawer 17 is fixedly connected to a fan 19, an output end of the fan 19 is fixedly connected to a second connecting pipe 20, an outer surface of the second connecting pipe 20 is fixedly connected to the flue 3, and the fan 19 is electrically connected to an external power supply.

[0026] Working principle: When smoke and dust are attached to the inside of the flue 3, the first electric push rod 4 is started to drive the scraper 12 to move to the area where the smoke and dust are attached, and then the second electric push rod 8 is started. According to the inner diameter of the flue, the connecting rod 10 is driven to rotate around the rotating column 13, so that the scraper 12 contacts the inner surface of the flue 3, and then the motor 5 is started to drive the rotating shaft 6 to drive the scraper 12 to rotate, so as to scrape off the dust on the inner surface of the flue 3. Under the rotation of the fan 15, the scraped smoke and dust will be blown up. At the same time, in conjunction with the start-up of the fan 19, the smoke and dust blown up by the fan 15 will be absorbed by the second connecting pipe 20 and then sent to the collection drawer 17 through the first connecting pipe 18 for collection, so as to prevent the smoke and dust from spreading in the air and causing damage to the environment and the health of the workers.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A flue for a fluidized bed furnace with dust cleaning function, characterized in that: include: A boiling furnace (1), wherein a smoke inlet pipe (2) is arranged on the upper surface of the boiling furnace (1), a smoke inlet pipe (2) is fixedly connected to the outer surface of the smoke inlet pipe (2) with a flue (3), a first electric push rod (4) is fixedly connected to the surface of the flue (3), a motor (5) is fixedly connected to the left end of the first electric push rod (4), a rotating shaft (6) is fixedly connected to the output end of the motor (5), a fixing block (7) is fixedly connected to the outer surface of the rotating shaft (6), a second electric push rod (8) is fixedly connected to the outer surface of the fixing block (7), and the first electric push rod (4) is fixedly connected to the left end of the first electric push rod (4). The inner surface of the second electric push rod (8) is fixedly connected to a rotating rod (9), the outer surface of the rotating rod (9) is rotatably connected to a connecting rod (10), the outer surface of the connecting rod (10) is fixedly connected to a connecting shaft (11), the outer surface of the connecting shaft (11) is rotatably connected to a scraper (12), the outer surface of the connecting rod (10) is fixedly connected to a rotating column (13), the outer surface of the rotating column (13) is rotatably connected to a fixed seat (14), and the outer surface of the rotating shaft (6) is fixedly connected to a fan (15); The outer surface of the flue (3) is fixedly connected to a dust collecting box (16), the front surface of the dust collecting box (16) is provided with a collecting drawer (17), the left surface of the dust collecting box (16) is provided with a first connecting pipe (18), the end of the first connecting pipe (18) away from the collecting drawer (17) is fixedly connected to a fan (19), and the output end of the fan (19) is fixedly connected to a second connecting pipe (20).

2. A flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The left end of the first electric push rod (4) extends into the interior of the flue (3), and the first electric push rod (4) is electrically connected to an external power source.

3. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The number of the second electric push rods (8) is two and they are distributed on the left and right sides. The second electric push rods (8) are electrically connected to an external power source.

4. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The outer surface of the connecting rod (10) is in contact with the second electric push rod (8), and there are two connecting rods (10) distributed vertically.

5. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The outer surface of the connecting rod (10) is in contact with the fixing seat (14), and the outer surface of the rotating shaft (6) is fixedly connected to the fixing seat (14).

6. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The outer surface of the connecting rod (10) is in contact with a scraper (12), and the number of the scrapers (12) is two and they are distributed up and down.

7. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The inner surface of the flue (3) is slidably connected to the scraper (12), and the outer surface of the second connecting pipe (20) is fixedly connected to the flue (3).

8. The flue for a fluidized bed furnace with dust cleaning function according to claim 1, characterized in that: The motor (5) and the fan (19) are both electrically connected to an external power source.

Images